mdetect's output missing

[Ralf Mardorf]

$ man mdetect
[snip]
mdetect writes the autodetected mouse device and protocol to standard
output.  Unless either of the -o or -x options is given, mde‐
tect produces output appropriate for configuring the gpm(1) program.
Alternatively, output appropriate for  an  XFree86  X  server
configuration file is produced.  If the -v option is given, some
information about the program's status is also written to standard
output, but this is largely unimplemented at this writing.
[snip]

If I run it verbose I only get
"[snip]
Found the following devices:
   /dev/ttyS0"

There's no output for X or gpm. Where should I expect standard output?

-- Ralf


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Re: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

On Sat, 2011-05-28 at 18:21 +0100, Matt Wheeler wrote:
> On 26 May 2011 22:20, Ralf Mardorf  wrote:
> > Without editing it, the menu here would be unusable. The files that
> > should be edited can't be used to set up a good grub.cfg.
> 
> I made a post about re-ordering things in grub2 a while ago [0]. The
> code snippet might need a little tweaking to work with newer Ubuntus,
> but maybe it will help anyway.
> 
> If the problems you have with your boot menu are caused by specific
> scripts in /etc/grub.d you can disable them individually by removing
> the executable bit.
> 
> If you want to add static parts to your menu you can put them in
> /etc/grub.d/40_custom (if you want custom parts before the
> autogenerated Ubuntu kernels you could copy 40_custom to 07_custom and
> put your stuff in there, but then you'd lose automatically updating
> entries for the default option).
> 
> 
> [0] http://funkyhat.org/2010/01/19/putting-rt-kernels-first-in-grub2/
> 
> -- 
> Matt Wheeler
> m...@funkyhat.org

Thank you Matt :)

I wish to be able to configure everything. Individual names, sub-menus,
no splash-videos, screen resolution for the messages etc. and the way I
do it, by editing grub.cfg is the easiest way and perhaps only way too.

The temporarily grub.cfg for my new Ubuntu install isn't ok until now.
It might be that I just need to command out something, e.g. 'set
gfxpayload=$linux_gfx_mode' and 'quiet splash vt.handoff=7', but perhaps
I need to edit much more.

Once I edited update-grub2 to save 'grub.cfg.date_and_time' instead of
'grub.cfg'. But this isn't reliable, regarding to upgrades, it's better
to have a backup of grub.cfg. Btw. it's also annoying that when
installing upgrades, that update-grub2 is launched several times, taking
minutes to detect imaginary Linux installs or existing kernels, that
should be excluded from the menu.

At the moment grub.cfg isn't important. I'm struggling with the
non-working mouse wheel for Maverick and Natty, a very, very slow motion
GNOME when switching between Evolution and Firefox by the GNOME panel
for Natty only, sometimes it's fast, but often very slow. The fact that
the theme isn't stable, sometimes I get the WM only and need to log out
and log in, the fact that having XFCE parallel installed will cause
issues for GNOME, the fact that my old audio card isn't working
regarding to the fact that PA is enabled, ... all in all I tend to
switch the distro, the fact that 32-apps that without issues work on
e.g. 64-bit Suse, even don't work on a 32-bit Ubuntu etc. ... there are
issues, issues, issues that aren't caused by Linux, the hardware, me,
just by Ubuntu.

It's a pity, because excepted of the missing kernel-rt, Ubuntu Studio
audio is very good. Those developers and packagers do very good jobs.

I guess on Monday I'll get my new audio card, so today and tomorrow I'll
set up a MIDI/ audio work station. Regarding to my needs I need to build
Jack from svn, to get no MIDI jitter and other things, so I'm not happy
about needlessly complicated stuff.

FWIW, my temporarily, experimental, unfinished grub.cfg is attached.

Bye,

Ralf


#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
  fi
}

function recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env 
recordfail; fi; fi
}

#function load_video {
#  insmod vbe
#  insmod vga
#  insmod video_bochs
#  insmod video_cirrus
#}

insmod part_msdos
insmod ext2
set root='(/dev/sdb,msdos1)'
search --no-floppy --fs-uuid --set=root 63e80d5e-c650-4a99-9b7a-c56c2a2d5404
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sdb,msdos1)'
search --no-floppy --fs-uuid --set=root 63e80d5e-c650-4a99-9b7a-c56c2a2d5404
set locale_dir=($root)/boot/grub/locale
set lang=en_GB
insmod gettext
if [ "${recordfail}" = 1 ]; then
  set timeout=-1
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_li

1. What is a good Computer to television set connection / 2. How to burn any video for stand-alone media players?

[Ralf Mardorf]

Hi :)

television isn't important for me, anyway, sometimes I like to watch TV.
If I shouldn't find solutions to solve this issues, it doesn't matter
very much.

I'm unable to get every video from the Internet burned as a DVD or CD
that can be played by my very old DVD player. I can't play just files,
it only plays standard video DVDs and video CDs.

One idea is to connect the computer directly to the television set.

Issues with the graphics

It's a NVIDIA PCIe card. Gainward Bliss 7200GS PCX. When I connected the
SVHS jack, the signal for the monitor get lost, because the PCI express
connection was mounted 'spring-loaded' (might be the wrong term in
English, but I guess you understand ;). I lose the screw, half
disassembled the card and mounted it back again. I did not screw in the
screw again, hence there's no 'spring-load' anymore. The monitor get a
signal again. Seems to be better for the mobo too.

There's no signal by the graphics SVHS jack. I booted the generic kernel
with the proprietary driver.

The television set isn't broken, I tested this with other devices, the
graphics might be broken or not. The graphics manual says that VGA
connector and S-Video connector can be used for 'dual display
functionality'.

Issues with SCART

My old television set needs switching voltage. I'm using a SVHS to SCART
adapter, opened the adapter and connected a 9V battery to pin 8 and the
shielding. I've got a lab power supply, but without galvanic isolation I
preferred a battery for testing. This does work without any issues.

Regarding to the fact that SVHS isn't compatible to SCART composite I
need to

http://upload.wikimedia.org/wikipedia/de/thumb/2/24/S-video-composite-adapter.svg/220px-S-video-composite-adapter.svg.png

On the quick I didn't found lower than 0.015 micro aka 15 nano capacitor
in stock, far away from 0.00047 micro aka 470 pico. Anyway, without
soldering there already is a monochrome signal. So if there would be
output by the graphics SVHS, there should be a black and white view as
there is, when using a test device.

Btw. those SVHS connectors barely keep together. All in all SVHS IMO
seems to be a dirty solution to connect a computer to a cheap television
set.

The television set has got RGB SCART too, this is how I usually connect
other devices to it, but I don't wish to use to many cables, to connect
the computer, placed in another room, to it. And I guess using RGB will
cause to much hassle.

I wonder if other users are able to burn any video as a standard video
DVD or standard video CD?

Even if it should be possible to burn everything, I also wonder how
people connect their computers to television? Not at all? By HDMI and
other solutions that aren't featured by my old television set?

Any hints are welcome!

Ralf


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Re: Subjective XFCE4 Ubuntu Studio Natty 64-bit report

[Ralf Mardorf]

The window's scroll bars don't work all the times. They are the same
kind of new scroll bars as for GNOME, but while for GNOME those new
scroll bars work perfectly all the time, for XFCE they sometimes don't
work, without fiddling around. With a non-working mouse wheel this will
make XFCE completely unusable for audio work for me.


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Subjective XFCE4 Ubuntu Studio Natty 64-bit report

[Ralf Mardorf]

. Why
don't get people iMicrosoft, if they prefer this?

I'm a little bit pissed off that KDE4 and perhaps GNOME3 differ that
much to KDE3 and GNOME4. I like progress, especially KDE3 versions
differ much, but KDE4 is a completely different DE.

Hopefully GNOME3 isn't that much different to GNOME2.

I'll go on testing and setting up XFCE, but I'll stop reporting details.

0,02 EUR,

Ralf

PS: Yes, XFDE behaviour and work flow are similar to GNOME.

PS OT: Right now the parcel post delivered XLR to 6.3 jack adapters and
other stuff I ordered yesterday at my semiconductor dealer, they didn't
do the direct debit until now, I still have got the money. This dealer
is a very good dealer, having a kind of monopoly here in Germany,
regarding to fair dealing and prices. They use the German Post aka DHL,
that is known as a bad parcel service here in Germany. They got
relatively less money from me, but the consumer is the boss.
My music dealer already has got the money, I ordered a day earlier and
the postman didn't deliver my sound card and the other needed stuff
until now. This dealer has a kind of monopoly for Europe regarding to
prices and also fair, but less fair dealing and compared to some other
German music dealers, they're seemingly losing their monopoly at the
moment. They send by UPS, in Germany known as a good parcel service.
They already got a lot of money from me and when ordering some days ago
I was a suer. Seems to be time not only to switch the DE, haha.


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[HOWTO] Building kernel 2.6.33.9-rt31 on Natty 64-bit

[Ralf Mardorf]

Hi :)

the current patch at http://www.kernel.org/pub/ is patch-2.6.33.9-rt31.

I included all needed commands to a script.

Make sure that you're booted kernel 2.6.38-8-generic. Command out the
line regarding to the CPU, if you won't optimize to AMD.

spinymouse@natty:~/Documents$ uname -a
Linux natty 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux

The script should add all needed packages to a fresh install, perhaps
some of the packages that will be installed aren't needed and fakeroot
might be already installed, but that doesn't matter. Run the script.
Perhaps you like to backup your current GRUB2 menu by "sudo
cp /boot/grub/grub.cfg /boot/grub/grub.cfg.natty" before running the
shell script.

spinymouse@natty:~/Documents$ sudo sh rt4us-natty

If you're asked to continue, just "enter".

When you get asked some questions, the first one should be "Group CPU
scheduler (GROUP_SCHED) [N/y/?] (NEW)", just enter, including this one,
you should enter 5 times, until you get asked

"Preemption Mode
  1. No Forced Preemption (Server) (PREEMPT_NONE)
  2. Voluntary Kernel Preemption (Desktop) (PREEMPT_VOLUNTARY)
  3. Preemptible Kernel (Low-Latency Desktop) (PREEMPT_DESKTOP) (NEW)
> 4. Complete Preemption (Real-Time) (PREEMPT_RT)
choice[1-4]:"

type "4" without quotes and/ or just enter, including this one, enter
only around 50 additional times, it doesn't matter if you still enter,
while compiling already started. In other words, just push enter all the
times and stop doing it, when compiling started.

On my 2.1 GHz AMD dual-core, 4 GB RAM, it takes around 80 min to build
the kernel, without setting CONCURRENCY_LEVEL.

I've forgotten to add "export CONCURRENCY_LEVEL=2" to the script, if
you're using a multi-core machine too, add it to the script, this might
speed up compiling.

I did it on the fly and might have missed something, the kernel isn't
tested jet, but usually those self-build kernels are ok.

If you won't edit grub.cfg yourself, you don't need to edit the script,
but run "sudo update-grub2" manually, when the script finished, before
you reboot.

If this mail should come through the list, than the kernel at least can
be used for e-mailing :).

spinymouse@natty:~$ uname -a
Linux natty 2.6.33.9-rt31 #1 SMP PREEMPT RT Fri May 27 21:11:36 CEST
2011 x86_64 x86_64 x86_64 GNU/Linux

The NVIDIA driver didn't build the module. My Natty is switching between
nv and nvidia driver, regarding to the kernel at startup.

Have fun!

Ralf


rt4us-natty
Description: application/shellscript
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Natty and ICE1712

[Ralf Mardorf]

Hi :)

for Natty it's the same as it is for Maverick. My Envy24 sound card
doesn't work, even after editing the ICE1712.conf, that btw. now differs
by default a little bit to older versions of this file. I only added
everything that is marked by ##.
I won't try to fix it by pseudo-disabling PA as I did for Maverick,
because today my dealer sent the RME HDSPe AIO card, hence I should get
it tomorrow morning and using my two Envy24 cards for MIDI should work
without any tweaks.
Anyway, this needs improvement.

spinymouse@natty:~$
diff /mnt/maverick/usr/share/alsa/cards/ICE1712.conf 
/usr/share/alsa/cards/ICE1712.conf
35,40c35,57
<   type route
<   ttable.0.0 1
<   ttable.1.1 1
<   slave.pcm {
<   type hw
<   card $CARD
---
>   type asym
>   playback.pcm {
>   type route
>   ttable.0.0 1
>   ttable.1.1 1
>   slave.pcm {
>   type hw
>   card $CARD
>   }
>  fix PA issue 
> slave.format S32_LE
> ##
>   slave.channels 10
>   }
>   capture.pcm {
>   type route
>   ttable.0.0 1
>   ttable.1.1 1
>   slave.pcm {
>   type hw
>   card $CARD
>   }
>   slave.channels 12
42,45d58
<  fix PA issue 
< slave.format S32_LE
< slave.channels 10
< ##
63a77
>   slave.channels 10
85a100
>   slave.channels 10

OT:

I'll build a kernel-rt. I guess test scenarios like this are
meaningless: https://wiki.ubuntu.com/RealTime

On-board HDA Intel at 44.1KHz, 64 frames/period, 2 periods/buffer = 2.9
ms latency? This is what a really good card is able to do when using a
kernel-rt. Never ever an integrated HDA surround sound device has the
capability to do this duplex for a real audio session, with or without a
kernel-rt. I often read about 3 periods/buffer and many issues.

The fix latency anyway is completely irrelevant for most usages. Jitter
and sync for the channels are important.

Cheers!

Ralf


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Re: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

On Thu, 2011-05-26 at 16:35 -0500, Scott Lavender wrote:
> 
> 
> On Thu, May 26, 2011 at 4:20 PM, Ralf Mardorf
>  wrote:
> On Thu, 2011-05-26 at 10:52 -0600, Gustin Johnson wrote:
> > On Wed, May 25, 2011 at 8:10 AM, Ralf Mardorf
> >  wrote:
> > 
> > >> > The GRUB menu entries also, as usual, are a PITA.
> > >>
> > >> Again, quite intriguing. How are they a pain?
> > >
> > > # cd /boot/grub
> > > # cp -pr grub.cfg grub.cfg.natty
> > > # update-grub2
> > > # cp -pr grub.cfg grub.cfg.bad
> > > # cp -pr grub.cfg.natty grub.cfg
> > >
> > > See attachments, "video", screen resolution, wanted
> entries differ
> > > between what I need (manually edited, grub.cfg) and what
> is
> > > auto-generated (grub.cfg.bad). This can be much more
> worse. I tided up
> > > my HDDs, before I did this, there were a billion distros
> listed, that
> > > were not installed anymore.
> >
> > Manually editing grub.cfg is bad.  Please RTFM.
> >
> 
> Without editing it, the menu here would be unusable. The files
> that
> should be edited can't be used to set up a good grub.cfg.
> 
> 
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> 
> I think under GRUB2 users are encouraged to create additional menu
> entry files rather than edit the grub.cfg file manually.
> 
> After running update-grub2 the grub.cfg file is updated to include the
> additional menu entries.
> 
> I could be mistaken however.

You are right, this is how it should work, but it doesn't. And btw. I
wonder that for startup a video is needed. If I wish to see a movie, I
won't boot an operating system. Splash screens should be disabled by
default. I like to see messages at startup without pushing Esc or F2 and
I wish to have a low screen resolution for startup.
Until now I know how to edit grub.cfg, but it became harder for every
new distro release. One day I might switch back to GRUB1 ;), editing
menu.lst never was an issue.

OT:

There only is one very serious issue for my Maverick and Natty. he
mouse-wheel issue is independent of having an xorg.conf or not.

Sometimes the wheel is ok and sometimes it doesn't work. The mouse isn't
broken, it's only for Maverick and Natty. There were no issues with any
of my other installs, resp. there isn't an issue for Suse 11.2, wich I
still kept, when tiding up my HDDs.



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Re: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

On Thu, 2011-05-26 at 10:52 -0600, Gustin Johnson wrote:
> On Wed, May 25, 2011 at 8:10 AM, Ralf Mardorf
>  wrote:
> 
> >> > The GRUB menu entries also, as usual, are a PITA.
> >>
> >> Again, quite intriguing. How are they a pain?
> >
> > # cd /boot/grub
> > # cp -pr grub.cfg grub.cfg.natty
> > # update-grub2
> > # cp -pr grub.cfg grub.cfg.bad
> > # cp -pr grub.cfg.natty grub.cfg
> >
> > See attachments, "video", screen resolution, wanted entries differ
> > between what I need (manually edited, grub.cfg) and what is
> > auto-generated (grub.cfg.bad). This can be much more worse. I tided up
> > my HDDs, before I did this, there were a billion distros listed, that
> > were not installed anymore.
> 
> Manually editing grub.cfg is bad.  Please RTFM.
> 

Without editing it, the menu here would be unusable. The files that
should be edited can't be used to set up a good grub.cfg.


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Re: GNOME theme Where is ...? How to ...?

[Ralf Mardorf]

On Thu, 2011-05-26 at 10:39 -0600, Gustin Johnson wrote:
> It gets reset often enough that I have an alias defined that gets set
> whenever I login:
> 
> alias buttons-to-right="gconftool -s
> /apps/metacity/general/button_layout -t string
> menu:minimize,maximize,close"

Yes Gustin, unfortunately I noticed several issues, just sometimes after
login. It's also possible to reboot here and then everything is ok
again. Sometimes the DE is missing, just the WM appears etc. and yes,
the buttons can switch too. IIRC you were a KDE user too?

Btw. if Ubuntu won't ship with GNOME2 anymore, we should search for a DE
that enables to save Window sizes, positions and on what workspace it
should open ;).

-- Ralf

> 
> 
> On Wed, May 25, 2011 at 11:45 AM, Ralf  wrote:
> > On Wed, 2011-05-25 at 11:38 -0500, Scott Lavender wrote:
> >>
> >>
> >> On Wed, May 25, 2011 at 11:17 AM, Ralf 
> >> wrote:
> >>
> >>
> >> Natty:
> >>
> >> How can I switch the windows minimize, unmaximize and close
> >> buttons from
> >> the right to the left side?
> >>
> >>
> >> Here is a link that walks through it:
> >> http://www.howtogeek.com/howto/13535/move-window-buttons-back-to-the-right-in-ubuntu-10.04/
> >
> > Thank you!
> >
> >
> >
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> >
> 



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Re: GNOME theme Where is ...? How to ...?

[Ralf]

On Wed, 2011-05-25 at 11:38 -0500, Scott Lavender wrote:
> 
> 
> On Wed, May 25, 2011 at 11:17 AM, Ralf 
> wrote:
> 
> 
> Natty:
> 
> How can I switch the windows minimize, unmaximize and close
> buttons from
> the right to the left side?
> 
> 
> Here is a link that walks through it:
> http://www.howtogeek.com/howto/13535/move-window-buttons-back-to-the-right-in-ubuntu-10.04/

Thank you!



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Re: GNOME theme Where is ...? How to ...?

[Ralf]

On Wed, 2011-05-25 at 12:22 -0400, Mike Holstein wrote:
> On Wed, May 25, 2011 at 12:17 PM, Ralf 
> wrote:
> Maverick:
> 
> What file(s) to restore, to get back a lost custom GNOME
> theme?
> 
> I need to restore the settings for my Maverick's "Appearance
> Preferences". When I saved the "Custom" theme, something went
> wrong, now
> the theme is lost. I do have a backup of the complete OS. I
> need to know
> which files I have to restore. This happened when I was
> comparing
> something with the settings for Natty.
> 
> Natty:
> 
> How can I switch the windows minimize, unmaximize and close
>     buttons from
> the right to the left side?
> 
> -- Ralf
> for UI issues like that, i usually suggest making a different user
> account, logging in, and checking the settings. if all is well as the
> new user, then its safe to assume its a config issue with the current
> user. you can start renaming and/or moving .gnome directories, and
> seeing which is causing the issue, and decide if you want to start
> from scratch, or try repairing whatever it is you have changed that is
> causing the issue.

In this case it's possible to restore the user's home directory
completely. This would take less time then trial and error. I only will
lose 2 days of Firefox history etc., if I won't omit some configurations
and one picture also would get lost. The picture is the only file I need
to copy, before I overwrite this home directory completely. This seems
to be the less time-robbing solution. I hoped hat there is just one
configuration.

-- Ralf



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GNOME theme Where is ...? How to ...?

[Ralf]

Maverick:

What file(s) to restore, to get back a lost custom GNOME theme?

I need to restore the settings for my Maverick's "Appearance
Preferences". When I saved the "Custom" theme, something went wrong, now
the theme is lost. I do have a backup of the complete OS. I need to know
which files I have to restore. This happened when I was comparing
something with the settings for Natty.

Natty:

How can I switch the windows minimize, unmaximize and close buttons from
the right to the left side?

-- Ralf


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RE: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

For openSUSE 11.2, Kernel 2.6.31.6-rt19 I only need to wait 10 seconds after 
GDM appeared, than I need to push Ctrl + Double-Backspace and after that there 
are no issues any more.

-Original Message-
From: ubuntu-studio-users-boun...@lists.ubuntu.com on behalf of Mike Holstein
Sent: Wed 5/25/2011 16:39
To: Ubuntu Studio Users Help and Discussion
Subject: Re: Issues after installing Ubuntu Studio Natty 64-bit
 
http://fossplanet.com/f10/real-time-kernel-nvidia-41885/

^^ about using
proprietary nvidia drivers with -realtime kernels
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Re: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

On Wed, 2011-05-25 at 16:00 +0300, Janne Jokitalo wrote: 
> On Wed, May 25, 2011 at 02:34:20AM +0200, Ralf wrote:
> > Hi :)
> 
> Hello!
> 
> > I installed Natty. The installer detected the correct keyboard layout,
> > but set it to a wrong layout. I guess I can solve this myself ;)
> 
> Right. I'm not sure how the detection routines are at the moment, but I've 
> also
> learnt from the past the one layout I want to use, and then always select that
> manually. Always works for me.

And where do you select it, assumed you're not using a DE, but e.g.
Ion2?

> > especially because X settings, as usual for Ubuntu installs, are
> > ridiculous and I need to set up a xorg.conf.
> 
> This is interesting; can you specify the nature of these problems, and maybe
> give some hardware information?

Yes, no display, but a CRT, that's enough to get grotesque settings,
such as limitations for screen resolutions that can be chosen and nice
stroboscope like frequencies only.

And in addition, I wish to be able to select a graphics driver,
regarding to the kernel I'll use. It's needed because I don't know how
to add the proprietary graphics module to the kernel-rt and even if this
should work, sometimes I don't wish to run real-time kernels with the
proprietary driver, regarding to audio performance. But for some usage
3D is needed.

I switch at startup, regarding to the booted kernel, between the nv and
nvidia driver, I'm doing this by the attached Rc script.
And as mentioned before, I also need to set up frequencies and
resolution to chose for my monitor correctly.

After setting up a classic xorg.conf, the mouse wheel doesn't work any
more. I deleted the mouse and keyboard entries in xorg.conf and only
kept graphic card and monitor settings, now the mouse wheel does work
again.

The main issue is to get the correct monitor settings for the first
time.

I'm using GNOME only at the moment, hence I don't know how settings for
X, mouse and keyboard are currently handled by Ubuntu. I e.g. set the
keyboard layout by GDM and usually it's not good to add "Virtual3840
1200" to your xorg.conf, because this would become default for GDM then,
the virtual screen issue isn't tested with Natty until now. If you use
frame based environments, such as Ion, there are no DE apps to set
screens and keyboards, this was done by xorg.conf and I had issues last
time I tried to use several kind of UIs.

> > The GRUB menu entries also, as usual, are a PITA.
> 
> Again, quite intriguing. How are they a pain?

# cd /boot/grub
# cp -pr grub.cfg grub.cfg.natty
# update-grub2
# cp -pr grub.cfg grub.cfg.bad
# cp -pr grub.cfg.natty grub.cfg

See attachments, "video", screen resolution, wanted entries differ
between what I need (manually edited, grub.cfg) and what is
auto-generated (grub.cfg.bad). This can be much more worse. I tided up
my HDDs, before I did this, there were a billion distros listed, that
were not installed anymore.

Ralf 


S69switch_xorg.conf
Description: application/shellscript
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
  fi
}

function recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env 
recordfail; fi; fi
}

#function load_video {
#  insmod vbe
#  insmod vga
#  insmod video_bochs
#  insmod video_cirrus
#}

insmod part_msdos
insmod ext2
set root='(/dev/sdb,msdos1)'
search --no-floppy --fs-uuid --set=root 63e80d5e-c650-4a99-9b7a-c56c2a2d5404
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sdb,msdos1)'
search --no-floppy --fs-uuid --set=root 63e80d5e-c650-4a99-9b7a-c56c2a2d5404
set locale_dir=($root)/boot/grub/locale
set lang=en_GB
insmod gettext
if [ "${recordfail}" = 1 ]; then
  set timeout=-1
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
if [ ${recordfail} != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
  if [ ${match} =

RE: Issues after installing Ubuntu Studio Natty 64-bit

[Ralf Mardorf]

PPPoE issue is solved and btw. it was my fault that it didn t work.

-Original Message-
From: Ralf Mardorf
Sent: Wed 5/25/2011 02:34
To: Ubuntu Studio users
Subject: Issues after installing Ubuntu Studio Natty 64-bit
 
Hi :)

I installed Natty. The installer detected the correct keyboard layout,
but set it to a wrong layout. I guess I can solve this myself ;)
especially because X settings, as usual for Ubuntu installs, are
ridiculous and I need to set up a xorg.conf. The GRUB menu entries also,
as usual, are a PITA.

Help is needed for the following serious issue. Until now I couldn't get
PPPoE working. I set up pppoeconf as usual, but nothing happened.

Any ideas?

It's a brand new vanilla install from the Ubuntu Studio media.

Best,

Ralf
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Issues after installing Ubuntu Studio Natty 64-bit

[Ralf]

Hi :)

I installed Natty. The installer detected the correct keyboard layout,
but set it to a wrong layout. I guess I can solve this myself ;)
especially because X settings, as usual for Ubuntu installs, are
ridiculous and I need to set up a xorg.conf. The GRUB menu entries also,
as usual, are a PITA.

Help is needed for the following serious issue. Until now I couldn't get
PPPoE working. I set up pppoeconf as usual, but nothing happened.

Any ideas?

It's a brand new vanilla install from the Ubuntu Studio media.

Best,

Ralf


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Sound card

[Ralf Mardorf]

Thank you all for the help and special thanks to Jörn for mentioning the PCI/ 
PCIe issue.

At last I had to decide to order a 9632 or HDSPe AIO and I'll order the PCIe 
card tomorrow.

I hope the 1 Stereo-IO will be enough for my needs, but I think so, because I 
can't order more RME gear right now. To loop in 19" FX I only can buy a 
http://www.behringer.com/EN/Products/ADA8000.aspx, I suspect that I won't like 
the Behringer's quality for recording instruments, but to loop in 19" reverb 
for home recoding this should be good enough.

Btw. I'll order a KORG NANO for Ardour too.

Again, thank you very much to everybody,

Ralf

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LaCie LightScribe Labeler

[Ralf]

Strange the LaCie LightScribe Labeler runs even under 64-bit Suse 11.2
without any issue. I tried to use it for 32-bit Maverick, but I always
get "printing requires root privileges". I also started the app by sudo.

So I need to boot Suse, to lightscribe the Ubuntu Studio Natty DVD :(.

It's not the only issue regarding to proprietary stuff on Ubuntu.

Is there any policy I need to set?

Ralf


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Re: UbuStu Art

[Ralf]

On Mon, 2011-05-23 at 16:35 -0700, Seattle Chaz wrote:
[snip]
> His gallery is at 
> 
> http://shitsukesen.deviantart.com/

A very good sense of colour, e.g.

http://shitsukesen.deviantart.com/art/PC-Girl-146364875?q=gallery%
3Ashitsukesen&qo=30

>From old Japanese drawings to Vargas to modern styles, this kind of
colouring is timeless.

This is what I personally prefer.


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Re: [LAD] RME FIREFACE 400? RME MULTIFACE II?

[Ralf]

On Mon, 2011-05-23 at 14:09 -0600, Gustin Johnson wrote:
> On Sun, May 22, 2011 at 9:43 PM, Ralf  wrote:
> > On Sun, 2011-05-22 at 13:23 -0600, Gustin Johnson wrote:
> >> I would stay away from the Fireface and the multiface (unless you
> >> connect the multiface to another interface).
> >>
> >> FWIW, I have a 9652 PCI card and an RME ADI 8-DS.  If I need more
> >> channels there is an Alesis ADAT that I can connect to it, albeit at
> >> only 16/48.  It is important to note that the 9652/9652 do not have
> >> any ADC/DACs on them and rely on outboard gear for that.
> >>
> >> This particular rig has been solid and stable for years and has been
> >> in 3 different rigs, the latest being an Intel Sandy bridge.  If you
> >> can afford it I highly recommend the RME PCI and PCIe solutions.
> >> Their Firewire solutions have traditionally been the exact opposite
> >> under Linux.
> >
> > Hm? I tries to switch from LAD to LAU, regarding to current user
> > queries, but it failed. Hi Admin [1] ;).
> >
> > Hi Gustin :), hi Ubuntu Studio users list :), pardon LAD ;)
> >
> > IIUC a HDSPe AIO or DSP 9632 is all I need, if I just need a stereo IO?
> > I only need to buy a BF-BOXLRMKH or BF-BOCMKH breakout cable?
> 
> There are a number of possible solutions.  It sounds like the AIO
> might be what you want, but I would ask someone local if you are
> unsure (in other words, don't just take my word for it).

I did send a request to my dealer. At the moment I tend to buy a 9632
and if I should switch the mobo one day, I perhaps have to replace it by
the AIO, anyway, the 9632 is less expensive. But I'm undecided.

> >
> > If I need additional IOs and wish to avoid Multiface firmware issues, I
> > can add AI4S-192 AIO and AO4S-192 AIO.
> >
> You could add anything that speaks ADAT, assuming you get the PCI/PCIe
> card with ADAT connectors on it.
> 
> > If I need much more IOs and don't have enough money for RME IOs, I can
> > e.g. use a BEHRINGER ADA8000 ULTRAGAIN PRO8 DIGITAL by ADAT connection.
> > The sound quality might be less good and I guess this will add extra
> > latency and Ardour won't auto-compensate this extra latency
> > automatically?
> >
> What latency are you talking about?  The only latency this adds is
> electrical switching and media conversion + travel time for the
> optical signal + the DAC/ADC.  The sound quality of Behringer tends to
> be lower than other solutions, but this should work.

I guess I'll start with just AI4S-192 AIO and AO4S-192 AIO for home
recording. If I should need more channels I'll order a cheap ADAT device
at another time.
More channels might be needed to do rehearsal room recordings, with
cheap microphones, hence the sound quality is less important, "live"
music has an advantage regarding to the feeling compared with home
recording, just for home recording I wish to get the most near
professional sound that is possible by my equipment, but at home I don't
need much channels. 2 for the stereo sum and some to loop in a 19"
reverb or to record drum sounds from a drum module by separated channels
at the same time. 

> 
> > As long as I'm using a mobo with PCI slots I can use AI4S-192 AIO and
> > AO4S-192 AIO with a DSP 9632 and when I switch to a mobo with PCIe only
> > I can switch from DSP 9632 to HDSPe AIO and keep AI4S-192 AIO and
> > AO4S-192 AIO (and e.g. a BEHRINGER ADA8000 ULTRAGAIN PRO8 DIGITAL ;)?
> 
> This sounds right.  If in doubt check with RME.  The compatibility of
> the add on boards is listed on this page:
> http://www.rme-audio.de/en_products_hdsp_expansion_boards.php
> >
> > Using a DSP 9632 with a PCIe to PCI bridge doesn't work or at least
> > could cause issues?
> >
> Never heard of such a thing.  I would not trust it, but I tend to be
> skeptical of such kludges.

Me too.

Thank you,

Ralf



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Bad JACK client connections

[Ralf Mardorf]

IIRC we discussed a loss for the sound quality when recording by Jack
connections, without sound cards involved, on this mailing list.

I had loss, at least for playback.

No time to test if there isn't loss now, but this might be the cause for
the loss:

http://lists.linuxaudio.org/pipermail/linux-audio-dev/2011-May/031102.html




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Re: [LAD] RME FIREFACE 400? RME MULTIFACE II?

[Ralf]

On Sun, 2011-05-22 at 13:23 -0600, Gustin Johnson wrote:
> I would stay away from the Fireface and the multiface (unless you
> connect the multiface to another interface).
> 
> FWIW, I have a 9652 PCI card and an RME ADI 8-DS.  If I need more
> channels there is an Alesis ADAT that I can connect to it, albeit at
> only 16/48.  It is important to note that the 9652/9652 do not have
> any ADC/DACs on them and rely on outboard gear for that.
> 
> This particular rig has been solid and stable for years and has been
> in 3 different rigs, the latest being an Intel Sandy bridge.  If you
> can afford it I highly recommend the RME PCI and PCIe solutions.
> Their Firewire solutions have traditionally been the exact opposite
> under Linux.

Hm? I tries to switch from LAD to LAU, regarding to current user
queries, but it failed. Hi Admin [1] ;).

Hi Gustin :), hi Ubuntu Studio users list :), pardon LAD ;)

IIUC a HDSPe AIO or DSP 9632 is all I need, if I just need a stereo IO?
I only need to buy a BF-BOXLRMKH or BF-BOCMKH breakout cable?

If I need additional IOs and wish to avoid Multiface firmware issues, I
can add AI4S-192 AIO and AO4S-192 AIO.

If I need much more IOs and don't have enough money for RME IOs, I can
e.g. use a BEHRINGER ADA8000 ULTRAGAIN PRO8 DIGITAL by ADAT connection.
The sound quality might be less good and I guess this will add extra
latency and Ardour won't auto-compensate this extra latency
automatically?

As long as I'm using a mobo with PCI slots I can use AI4S-192 AIO and
AO4S-192 AIO with a DSP 9632 and when I switch to a mobo with PCIe only
I can switch from DSP 9632 to HDSPe AIO and keep AI4S-192 AIO and
AO4S-192 AIO (and e.g. a BEHRINGER ADA8000 ULTRAGAIN PRO8 DIGITAL ;)?

Using a DSP 9632 with a PCIe to PCI bridge doesn't work or at least
could cause issues?

Best,

Ralf


[1]
 Forwarded Message 
From: Ralf 
To: linux-audio-user-ow...@lists.linuxaudio.org
Subject: Subscription failed
Date: Mon, 23 May 2011 04:40:52 +0200

Hi,

I want to switch from LAD to LAU, regarding to some user queries about
sound cards. When I first tried to subscribe, I made a typo for my email
address, then I tried again without typo, but it failed several times,
without any error messages.

Best,

Ralf


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Re: [LAD] RME FIREFACE 400? RME MULTIFACE II?

[Ralf]

On Sun, 2011-05-22 at 12:46 +0200, Ralf wrote:
> On Sun, 2011-05-22 at 12:08 +0200, Jörn Nettingsmeier wrote:
> > On 05/22/2011 11:43 AM, Ralf wrote:
> > > Hi :)
> > >
> > > I only watched pictures and read texts but didn't hear one of those RME
> > > devices, anyway, until now I tend to order the RME FIREFACE 400 or RME
> > > MULTIFACE II if they shouldn't cause issues with Linux. The two HDSP be
> > > possible too.
> > >
> > > Any experiences, information?
> > 
> > ralf, as usual, your level of disinformation is astonishing.
> 
> Hi Jörn,
> 
> thank you :).
> 
> Disinformation? I didn't have any information, neither right nor wrong
> information, that's why I'm asking.
> 
> > the fireface is an ieee1394 device, and the ffado drivers are somewhat 
> > experimental. so yes, this would be an "issue with linux". i suggest you 
> > check the ffado.org website and look through the ffado mailing list 
> > archive to see if the current level of support is sufficient for what 
> > you want to do.
> > 
> > the multiface ii is a break-out and converter box. it doesn't work on 
> > its own. consequently, there are no driver issues associated with its 
> > use, other than the firmware upload which the host computer has to take 
> > care of when you boot the device.

Oops, my broken English ... there are issues? Googleing for "multiface
ii linux" results with reported issue :S.

> > what you want to look into is the corresponding pci(e) card with the 
> > connector that looks like firewire but isn't (proprietary rme protocol).
> > the quality of the converters on the multiface leaves nothing to be desired.
> 
> You do write the same as another one does write in a forum :). I tend to
> order a Multiface.
> 
> > the 9652 and 9636 cards are digital-only, with two resp. three adat i/o 
> > connectors. consequently, their "sound quality" is perfect.
> > you will have to combine them with some external adat ad/da converter.
> > 
> > most if not all rme cards come pci and pci express flavours. as you 
> > mentioned in a previous posting, the pci prices have dropped a lot, but 
> > when you consider one, factor in the cost for mainboards with pci slots 
> > - they will become quite rare in mass market in the near future, and 
> > then you would have to pay extra to get some "industry"-type product 
> > that still has them. for an idea of the extra cost, try shopping for an 
> > industry board with ISA slots today (still needed to run legacy process 
> > control cards and whatnot).
> 
> Yes, my ASUS M2A-VM HDMI motherboard only has 2 PCI slots, occupied by 2
> Terratec EWX 24/96 cards.
> I removed the HDMI thingy and used the PCIe slot for a GeForce 7200GS,
> because 3D doesn't work for the integrated Radeon X1250-based graphics.
> 
> Btw. the board has got one PCIe x16 and one PCIe x1 slot.
> 
> I could remove the GeForce, 3D isn't important at the moment. Because
> the Multiface is less expensive, I also could order a new motherboard,
> if I should need 3D ... perhaps, I don't know what I need to replace
> too, I randomly picked some mobos ... DDR3 instead of DDR2 seems to be
> no moneywise issue, I guess this is all I would need to change.
> 
> So the future is NO PCI, but several PCIe x16 and x1 slots?
> 
> > all rme cards i've come across will happily run at 64 frames, and some 
> > of the newer ones let you go down to 32 or 16, although i have not tried 
> > this yet.
> 
> Somebody on a forum wrote that 32 frames are ok for his RME, for a real
> multi-channel productions!
> 
> Thank you very much. My impression is that RME cards are the best choice
> for Linux.
> 
> Best,
> 
> Ralf
> 



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Re: [LAD] RME FIREFACE 400? RME MULTIFACE II?

[Ralf]

On Sun, 2011-05-22 at 12:08 +0200, Jörn Nettingsmeier wrote:
> On 05/22/2011 11:43 AM, Ralf wrote:
> > Hi :)
> >
> > I only watched pictures and read texts but didn't hear one of those RME
> > devices, anyway, until now I tend to order the RME FIREFACE 400 or RME
> > MULTIFACE II if they shouldn't cause issues with Linux. The two HDSP be
> > possible too.
> >
> > Any experiences, information?
> 
> ralf, as usual, your level of disinformation is astonishing.

Hi Jörn,

thank you :).

Disinformation? I didn't have any information, neither right nor wrong
information, that's why I'm asking.

> the fireface is an ieee1394 device, and the ffado drivers are somewhat 
> experimental. so yes, this would be an "issue with linux". i suggest you 
> check the ffado.org website and look through the ffado mailing list 
> archive to see if the current level of support is sufficient for what 
> you want to do.
> 
> the multiface ii is a break-out and converter box. it doesn't work on 
> its own. consequently, there are no driver issues associated with its 
> use, other than the firmware upload which the host computer has to take 
> care of when you boot the device.
> what you want to look into is the corresponding pci(e) card with the 
> connector that looks like firewire but isn't (proprietary rme protocol).
> the quality of the converters on the multiface leaves nothing to be desired.

You do write the same as another one does write in a forum :). I tend to
order a Multiface.

> the 9652 and 9636 cards are digital-only, with two resp. three adat i/o 
> connectors. consequently, their "sound quality" is perfect.
> you will have to combine them with some external adat ad/da converter.
> 
> most if not all rme cards come pci and pci express flavours. as you 
> mentioned in a previous posting, the pci prices have dropped a lot, but 
> when you consider one, factor in the cost for mainboards with pci slots 
> - they will become quite rare in mass market in the near future, and 
> then you would have to pay extra to get some "industry"-type product 
> that still has them. for an idea of the extra cost, try shopping for an 
> industry board with ISA slots today (still needed to run legacy process 
> control cards and whatnot).

Yes, my ASUS M2A-VM HDMI motherboard only has 2 PCI slots, occupied by 2
Terratec EWX 24/96 cards.
I removed the HDMI thingy and used the PCIe slot for a GeForce 7200GS,
because 3D doesn't work for the integrated Radeon X1250-based graphics.

Btw. the board has got one PCIe x16 and one PCIe x1 slot.

I could remove the GeForce, 3D isn't important at the moment. Because
the Multiface is less expensive, I also could order a new motherboard,
if I should need 3D ... perhaps, I don't know what I need to replace
too, I randomly picked some mobos ... DDR3 instead of DDR2 seems to be
no moneywise issue, I guess this is all I would need to change.

So the future is NO PCI, but several PCIe x16 and x1 slots?

> all rme cards i've come across will happily run at 64 frames, and some 
> of the newer ones let you go down to 32 or 16, although i have not tried 
> this yet.

Somebody on a forum wrote that 32 frames are ok for his RME, for a real
multi-channel productions!

Thank you very much. My impression is that RME cards are the best choice
for Linux.

Best,

Ralf


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RME FIREFACE 400? RME MULTIFACE II?

[Ralf]

Hi :)

I only watched pictures and read texts but didn't hear one of those RME
devices, anyway, until now I tend to order the RME FIREFACE 400 or RME
MULTIFACE II if they shouldn't cause issues with Linux. The two HDSP be
possible too.

Any experiences, information?

RME FIREFACE 400
http://www.thomann.de/gb/rme_fireface_400.htm

RME MULTIFACE II
http://www.thomann.de/gb/rme_multiface_ii.htm

RME HDSP 9652
http://www.thomann.de/gb/rme_digi_9652_hdsp.htm
http://www.thomann.de/gb/rme_9652_hdsp_retour.htm

RME HDSP 9632
http://www.thomann.de/gb/rme_digi_9632_hdsp_pcikarte.htm

The sound quality at least should reach that of my elCheapo consumer DAT
Sony DTC-670. The Terratec EWX 24/96 does hardly reach the sound quality
of my Yamaha MT44D 4 track analog cassette recorder, when it wasn't
broken, but well maintained and I heard several Envy24 cards that hardly
reach the 4 track recorders quality.

I'm not interested in this one, but the price-performance ratio is
amazing:

BEHRINGER XENYX X2442 USB
http://www.thomann.de/gb/behringer_xenyx_x2442_usb.htm
I've got a Behringer EURORACK UB2442FX-PRO a very bad mixer, hard to
clean, hard to use, because everything is small, even if it's dust
protected, after 3 years dust issues started. All faders are still ok,
but Group buttons are completely out of order, some channels don't work
any more. I don't had enough money to get a better mixer, when my old
get completely broken but OTOH, the sound quality anyhow is good enough
to reach good consumer quality that is better, than what my Terratec EWX
24/96 are able to record. I wish to get a good sound card, but this
Behringer might be interesting for some people. Note, I never compared a
Mackie with the UB2442FX-PRO directly, a friend has got nearly the same
mixer from Mackie, and I've got the impression that the sound quality of
the Mackie is better. IMO Mackie is some kind of reference for low cost
home recording equipment. Things should sound similar to a Mackie or
better.

I'll start reading
http://www.google.de/#sclient=psy&hl=de&source=hp&q=RME+FIREFACE+400
+linux&aq=f&aqi=&aql=&oq=&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=5a4a001e44ffdadc
now.

Best,

Ralf


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Re: no sound

[Ralf]

On Sat, 2011-05-21 at 20:53 -0600, Gustin Johnson wrote:
> I have an RME 9652 that has worked out of the box for the past 5 years
> on every distro I have run (to date with this card I have used Fedora,
> Debian, 64Studio, and various Ubuntu releases.).
> 
> It was expensive but has been worth every single penny.
> 
> On Fri, May 20, 2011 at 4:48 AM, Robert Klaar  wrote:
> > Any Rme card is good, although they're a bit expensive. Didn't have to do a
> > thing to get my hdsp 9632 working.

Thank you,

I guess I'll search for RME cards in a price range between 300,- to
800,- EUR. I put by nearly 800,- EUR just to buy a new card.

Ralf


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Re: Default CPU frequency scaling issue

[Ralf]

On Sat, 2011-05-21 at 09:56 -0400, Mike Holstein wrote:

> i think the agrument is, if you are a power user using JACK, you will
> know how to, and know that you need to tweak these things. someone
> coming to ubuntustudio for arguably lighter needs might not care to
> find out how to change the CPU governor settings. if you strongly
> disagree with that, then this would be a good point for your upcoming
> wishlist bug report.

Hi Mike :)

phew, sorting out what's needed and what can be deleted or just needs a
unsafe backup on DVD for just 2 HDDs is damn nasty ;D, especially when
we have sunshine here. You mail is very welcome right now ;).

I don't know if Paul Davis has or has not any opinion about Ubuntu
Studio (excepted of Jack packaging, wich from time to time comes up as
an issue for users ;). Just the Ardour3 "installer" was warning,
regarding to CPU frequency scaling.

I'll subscribe to the devils list right now (and try not to spam ;).

This topic will be continued at ubuntu-studio-de...@lists.ubuntu.com ...
> 
Cu,

Ralf


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PS: Default CPU frequency scaling issue

[Ralf]

On Sat, 2011-05-21 at 11:05 +0200, Ralf wrote:
> Hi :)
> 
> today I installed Ardour3, perhaps Paul Davis recommendation is more
> important than mine [1].
> 
> My Kernel is set to use 'performance' as default setting for the CPU
> frequency scaling [2]. If I start a GNOME session it's set to "ondemand"
> automatically.
> 
> I'm starting sessions by a script, unfortunately some Ubuntu installs
 AUDIO SESSIONS
> need a "sudo" before "cpufreq-selector -g performance", while others are
> not fine with the "sudo", some other installs, e.g. Suse do need a
> different command, ok, Suse keeps "performance" ;). Older Ubuntu
> installs needs a SUID bit set ;).
> 
> So I need to write a script checking for the distro + distro version or
> I need to set it by the panel each time after starting a GNOME session,
> or I need to add aliases to the shells. At the moment I'm doing it by
> the panel.
> 
> The right way should be, that Ubuntu Studio GNOME does use the kernel's
> default. This needs a fix. The DE shouldn't try to be smarter than the
> user!
> 
> Btw. using "ondemand" might safe 1W on modern 40/50W CPUs. This isn't
> much pollution projected onto Linux audio users. I'm using "ondemand"
> when not making music, but the default should be "peformance". Note that
> some people are working on a Jack frequency scaling!
> 
> Cheers!
> 
> Ralf
> 
> 
> 
> 
> [1]
> $ ./install.sh
> 
> Welcome to the Ardour installer
> 
> Sat May 21 10:32:35 CEST 2011
> Architecture is x86
> [snip]
> 
> System failed the quick sanity check... Looking for the cause
> 
> !!! WARNING !!! - Your system seems to use frequency scaling.
> This can have a serious impact on audio latency. You have two choices:
> (1) turn it off, e.g. by chosing the 'performance' governor.
> (2) Use the HPET clocksource by passing "-c h" to JACK
> (this second option only works on relatively recent computers)
> 
> Press ENTER to continue:^C
> $ ./install.sh
> 
> Welcome to the Ardour installer
> 
> Sat May 21 10:36:01 CEST 2011
> Architecture is x86
> Unpacking bundle for x86
> 
> Checking system libs to see if they are compatible with Ardour.
> 
> 
> Found existing Ardour installation.
> Do you want to run the
> uninstaller /opt/Ardour-3.0alpha3_9210-dbg.uninstall.sh ? [y/n]: n
> 
> Installing Ardour 3.0alpha3 built from 9210 in /opt
> 
> mkdir: cannot create directory `/opt/Ardour-3.0alpha3_9210-dbg': File
> exists
> Adding Ardour to the applications menu
> 
> Creating a desktop link for Ardour
> 
> Copying uninstall script to /opt
> 
> 
> Checking to see if Jack is installed
> 
> Jack OK
> 
> Cleaning up
> 
> !!! Install Complete !!!
> 
> Press ENTER to exit installer:
> 
> [2]
> $ cat config-2.6.33.9-rt31 | grep CONFIG_CPU_FREQ_DEFAULT_GOV
> CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
> # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set



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Default CPU frequency scaling issue

[Ralf]

Hi :)

today I installed Ardour3, perhaps Paul Davis recommendation is more
important than mine [1].

My Kernel is set to use 'performance' as default setting for the CPU
frequency scaling [2]. If I start a GNOME session it's set to "ondemand"
automatically.

I'm starting sessions by a script, unfortunately some Ubuntu installs
need a "sudo" before "cpufreq-selector -g performance", while others are
not fine with the "sudo", some other installs, e.g. Suse do need a
different command, ok, Suse keeps "performance" ;). Older Ubuntu
installs needs a SUID bit set ;).

So I need to write a script checking for the distro + distro version or
I need to set it by the panel each time after starting a GNOME session,
or I need to add aliases to the shells. At the moment I'm doing it by
the panel.

The right way should be, that Ubuntu Studio GNOME does use the kernel's
default. This needs a fix. The DE shouldn't try to be smarter than the
user!

Btw. using "ondemand" might safe 1W on modern 40/50W CPUs. This isn't
much pollution projected onto Linux audio users. I'm using "ondemand"
when not making music, but the default should be "peformance". Note that
some people are working on a Jack frequency scaling!

Cheers!

Ralf




[1]
$ ./install.sh

Welcome to the Ardour installer

Sat May 21 10:32:35 CEST 2011
Architecture is x86
[snip]

System failed the quick sanity check... Looking for the cause

!!! WARNING !!! - Your system seems to use frequency scaling.
This can have a serious impact on audio latency. You have two choices:
(1) turn it off, e.g. by chosing the 'performance' governor.
(2) Use the HPET clocksource by passing "-c h" to JACK
(this second option only works on relatively recent computers)

Press ENTER to continue:^C
$ ./install.sh

Welcome to the Ardour installer

Sat May 21 10:36:01 CEST 2011
Architecture is x86
Unpacking bundle for x86

Checking system libs to see if they are compatible with Ardour.


Found existing Ardour installation.
Do you want to run the
uninstaller /opt/Ardour-3.0alpha3_9210-dbg.uninstall.sh ? [y/n]: n

Installing Ardour 3.0alpha3 built from 9210 in /opt

mkdir: cannot create directory `/opt/Ardour-3.0alpha3_9210-dbg': File
exists
Adding Ardour to the applications menu

Creating a desktop link for Ardour

Copying uninstall script to /opt


Checking to see if Jack is installed

Jack OK

Cleaning up

!!! Install Complete !!!

Press ENTER to exit installer:

[2]
$ cat config-2.6.33.9-rt31 | grep CONFIG_CPU_FREQ_DEFAULT_GOV
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set


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Re: Sound cards (Was: Re: no sound

[Ralf]

On Sat, 2011-05-21 at 00:30 +0200, Thomas Orgis wrote:
> Am Fri, 20 May 2011 15:33:39 +0200
> schrieb Ralf Mardorf : 
> 
> > No! But I suspect a bug for Jack and btw. there already was a rounding
> > bug that was fixed, perhaps years ago.
> 
> Ah, OK. I'll ignore the discussion about different sound cards influencing 
> this as a heap of confusion and settle for this: If JACK would not have bugs, 
> by design it would do bit-exact copies, or at least copies with floating 
> point computation errors in non-audible amplitude. I don't claim that this 
> ideal case is indeed the reality.
> 
> When you find those bugs, I hope they'll get reported and fixed, for the 
> benefit to us all. In the meantime, those of us with some time on their hands 
> can just try to verify the issue of bit-exact copying of data through the 
> pipeline ... I just don't want to go down that path right now, since I'm 
> already not able to do my actual work because of debugging some gcc 4.6 
> breakage on code of mine.
> 
> 
> Alrighty then,
> 
> Thomas.
> 
> 

Is there a way of monitoring the data that is captured and read by Jack
and Jack clients in a human readable way, e.g. to see if there would be
rounding errors? I always used Audacity's spectral view (to show
recordings of square and sine waves), when writing with Rui. For
Qtractor there really was and is an issue when connecting it's outputs
to the inputs, that is caused by Jack. 

Phew, a lot of OT blah blah, you don't need to read does follow, pardon:

(That's why I wish to stop the discussion about the audio quality loss
issue.)

I guess it's because a vector points to the original buffer, instead of
coping it, but I might be completely wrong. Anyway, if a client's input
is connected to it's output this only should work correctly, if there's
a special order.
Here I did avoid to do this and there still is loss, similar to cheap
4-Track cassette recorders. If I directly connect Hydrogen or Yoshimi to
Qtractor or Ardour2, that does mean one client to _another_ client,
there's this kind of audible loss and this shouldn't happen :(.

I can't help with reading the source code. When I programmed in C 20
years ago, I just did it for one program and then switched back to
Assembler. On Linux I tried to learn C again, but I wasn't able to write
even simplest make files, IIRC 20 years ago it was the work, the
compiler had to do ;), I could take a look on my Atari ST's 80286
hardware emulation, there still should be the old editor and compiler.
So, I'm not a coder ;). I'm an audio/video engineer and the computers I
privately programmed have less in common with current PCs, e.g. the
Atari's TOS and the emulation running DR DOS, are sharing a 42MB hard
disk. Especially regarding to music software, there was the advantage
that those machines don't do real multitasking and the hardware, e.g.
for the C64 MIDI interface, was directly accessible, that's why there's
no MIDI jitter for old hardware. Turn of the interrupt, check the
ACIA/UART and send in real-time, that's how it did work years ago, today
we do have USB protocols etc. that at all events do cause MIDI jitter.
Some smart guys, I guess Stéphane is one of them, do work on this issue
and they/he already had success, at least for my machine. If I use PCI
MIDI and

edubuntu@edubuntu:~$ jackd -V
jackdmp 1.9.8

using the -Xalsarawmidi switch + a2jmidi_bridge I'm able to use external
MIDI equipment without audible jitter, unfortunately I need to disable
-Xalsarawmidi, if I wish to record MIDI events with a Linux sequencer,
because there's no bridge vice versa and as far as I know no good
sequencer using Jack MIDI, resp. I guess Ardour3 might use Jack MIDI.
Btw. if I run latency tests I also get best results for Alsa, but at
least I'm able to hear that there's jitter, a lot of people with less
good results aren't able to hear jitter.

There're a lot of issues for Linux audio, some are already solved by svn
versions, other issues aren't solved. It makes me wonder that there are
so less people in the Linux community who notice those issues.

I can't program myself, but I could run tests and report issues.

Linux audio and MIDI IMO do need a lot of upgrades and some isolation
from the non-audio community.



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Re: Sound cards (Was: Re: no sound

[Ralf]

On Fri, 2011-05-20 at 10:54 -0400, Mike Holstein wrote:
> Ralph,
> 
> 
> the sound card *cant* have anything to do with the audio that is
> generated by software synths.

Again, a misunderstanding, perhaps regarding to my broken English.
There're two issues, one is caused by my sound cards, they do produce a
muddy bass, the other issue has nothing to do with my sound cards. A
recording internal Linux, without the sound cards involved does cause
loss here. Audible loss, you don't need trained or good ears to hear it.

> this is not a grey area. and expert such as yourself might want to
> look at the source code for the software in question

I can't read C and much more worse, never coded for modern PCs.

> , and see what about the hardware is being utilized for rendering the
> audio. heres a test scenario: take all the sound devices out of the
> machine (or disable them). take a MIDI file and render it using JACK
> utilizing the 'dummy' driver. you can render the same file with a
> sound card in use, and share both of those here if you would like. *i
> am not talking about monitoring those sounds, OR recording them analog
> from the main outs of the sound card. by render, im thinking recording
> in ardour and exporting or exporting from something else.

No need to do this, because ... again ... the sound cards already aren't
involved. This was a misunderstanding.

Btw. doing the mastering for a "real song" might not work by an
exporting option. At least Qtractor can't do this for "faster than
real-time" included apps, in other words, DSSI plugins and especially
not for inserts, e.g. jconvolver.

That I wish to buy a good sound card has nothing to do with the loss
internal Linux on my machine (and I suspect on many other machines too,
at least I know some people who do have the same issue).
> 
> 
> 
> -- 
> MH
> 
> http://opensourcemusician.libsyn.com/
> http://wnclug.ourproject.org/
> 
> 



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Re: Sound cards (Was: Re: no sound

[Ralf]

On Fri, 2011-05-20 at 16:53 +0200, Hartmut Noack wrote:
> Am 20.05.2011 15:15, schrieb Ralf Mardorf:
> > On Fri, 2011-05-20 at 15:00 +0200, Hartmut Noack wrote:
> >> Am 20.05.2011 14:37, schrieb Ralf Mardorf:
> >>> On Fri, 2011-05-20 at 14:04 +0200, Thomas Orgis wrote:
> >>>> Am Fri, 20 May 2011 13:54:57 +0200
> >>>> schrieb Ralf Mardorf:
> >>>>
> >>>>> When recording soft synth just by
> >>>>> JACK, without the sound cards being involved, there's a loss for the
> >>>>> sound quality too!
> >>>>
> >>>> Wait a minute... could you explain that? You have a loss of quality 
> >>>> compared to live playback of the soft synths (using JACK?) when playing 
> >>>> back a recording taken from JACK? A recording that preserves 32 bit 
> >>>> floating point sample format (heck, or 24 bit integer) and the sample 
> >>>> rate, of course?
> >>>
> >>> Yes and other people who can't hear it, do have it too.
> >>
> >> I do not.
> >>
> >>> You can see it
> >>> by watching the waves spectral by Audacity. I did this regarding to a
> >>> zero-copy issue, that appears if a Jack client is connected directly to
> >>> itself, e.g. to do the mastering. 48 and 96 KHz, 32-bit wav 32-bit
> >>> float.
> >>
> >> If a synth has dynamic filters it will never produce the exactly same
> >> stream twice. But if you think about yourself you will find out, that
> >> given you use the same settings for Jack on a HDA or a HDSP you will get
> >> exactly the same quality.
> >
> > I'm an expert for audio engineering. I did work for Brauner microphones
> > development and others, hence I know a little bit about how to do
> > tests ;).
> > No dynamic filters are involved!
> >
> > It's very simple, there's a natural sounding drum set as example drum
> > kit for Hydrogen. Play a rhythm, record this Rhythm and then record this
> > recording and compare both recordings. They should be equal, but they
> > aren't equal. I can here a !clear! loss and it's visible by spectral
> > waves.
> >
> >>
> >> Simply because a synth-software only delivers, what it renders to Jack
> >> and Jack does *not* change anything in that rendered data. There is
> >> simply not soundcard and not even a driver involved in the rendering
> >> itself. DSPs only do the very same thing faster as cheap chips.
> >>
> >> All difference in sound quality is related to DAC/ADC period
> >
> > No! Before any converter is involved, there at least could be rounding
> > errors, if you don't use 32-bit float all the times.
> 
> And why should I not use 32bit float all the time?
> 
> Of course there are differences, if format-conversion is involved. But 
> you did not mention such conversions, you only talked about sound cards 
> causing mysterious differences when Jack delivers a stream from a 
> synth-application directly to a recorder.

No, a misunderstanding.

1. Yes my sound card is bad, but ...
2. I was writing about using 32-bit float only and use audio streams
internal Jack only, without the sound cards being involved.

> 
> The normal, sane setup fpr recording a synth directly with Jack is, that 
> the synth, Jack and the recorder all run with the same samplerate and 
> 32bit float or at least all 3 with 16bit Int. And if that is set up like 
> this, there is zero influence of the soundcard on the recording.

Correct, there's no influence of the sound cards, but on my machine
there's loss, even when the sound cards aren't involved, just by
recording a soft synth. Everything is set to the same sample rate, 96
KHz or 48 KHz and 32-bit float ... as far as I know ... I don't know if
e.g. Yoshimi does use 32-bit float.

> 
> >
> > And by the way, the sound card will effect the original and the digital
> > copy in the same way, even with a bad sound card both recordings
> > shouldn't differ.
> >
> > Hey, do a recording of a recording
> 
> You mean, like recording something from ams via jack then play the 
> wav-file with mhw and record this with ardour. Then compare the two 
> recorded streams?
> 
> If in such a process recording A would differ from recording B then MHW 
> or Ardour *could* cause such a difference. Jack itself could only be 
> charged, if resampling and/or dithering would be involved. That is: if 
> the synth-engine would work with 44.1Hz while Jack runs with 48Hz. And 
> you will not want to s

Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Fri, 2011-05-20 at 11:00 -0400, Mike Holstein wrote:
> On Fri, May 20, 2011 at 4:11 AM, Ralf Mardorf
>  wrote:
> On Tue, 2011-05-17 at 10:40 -0400, Mike Holstein wrote:
> 
> 
> > hey Ralf... the offical IRC channels are logged at
> > http://irclogs.ubuntu.com/ if you would like to browse
> through them.
> > the reason i suggest the IRC is that an exchange such as the
> one you
> > and I have had for the past week or so could be taken care
> of in a few
> > minutes on the IRC.
> 
> [snip]
> >  otherwise, if you would like to join the -devel IRC channel
> for a
> > moment and check out how it works, you can use this freenode
> webchat
> > link,
> >
> http://webchat.freenode.net/?channels=ubuntustudio-devel&uio=d4 .
> 
> [snip]
> 
> I'm not sure if I'll chat. What are favourable Greenwich times
> to join
> IRC?
> literally anytime is good to help in #ubuntustudio. i am EST, and i
> routinely miss folks with questions late nite. if you join
> #ubuntustudio-devel, there might not be anyone around to chat, but
> literally anytime is fine to try... 

Ok, so your time is UTC -5, here in Germany at the moment the time is
UTC +2. I don't have a job at the moment and could chat at night during
the week. I'm undecided ;). This weekend I need to tidy up my hard
disks, remove outdated Linux installs, install Ardour3 and search the
web for information about sound cards. I'm faintly reminiscent of
friends, so I should spend some time with them this weekend ;).



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Re: Sound cards (Was: Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 15:04 +0200, Hartmut Noack wrote:
> Am 20.05.2011 14:58, schrieb Ralf Mardorf:
> > On Fri, 2011-05-20 at 14:36 +0200, Hartmut Noack wrote:
> >> Am 20.05.2011 13:54, schrieb Ralf Mardorf:
> >>> On Fri, 2011-05-20 at 12:48 +0200, Robert Klaar wrote:
> >>>> Any Rme card is good, although they're a bit expensive. Didn't have to
> >>>> do a thing to get my hdsp 9632 working.
> >>>
> >>> Hi Robert :)
> >>>
> >>> the main reason to switch the sound cards is the audio sound quality.
> >>> I'm able to pay around 700,- EUR / 800,- EUR (right now, regarding to my
> >>> "profession", I usually don't have any money). Btw. I noticed that not
> >>> only my sound cards do cause loss. When recording soft synth just by
> >>> JACK, without the sound cards being involved, there's a loss for the
> >>> sound quality too!
> >>
> >> No, there is none.
> >>
> >> Any software, that generates sounds from scratch like a softsynth wil
> >> produce exactly the same stream with any soun card. In fact such
> >> software will even generate the very same stream if no soundcard exists.
> >>
> >> And if you record such a stream with Jack you simply store that very
> >> stream bit by bit.
> >
> > Wrong! There still could be rounding errors and dithering involved
> 
> Yes, dithering makes a differnce -- if you use it.
> 
> And do you think, sound cards or drivers provoke specific rounding 
> errors in streams that are not even deliverd to them by Jack?

No! But I suspect a bug for Jack and btw. there already was a rounding
bug that was fixed, perhaps years ago.

The "you can't connect every client with every client, regarding to a
zero-copy issue" still was a topic some days ago on Jack devel mailing
list, but I didn't follow the thread, just noticed it randomly.

I won't lead on this discussion about a loss or no loss. When I noticed
sync issues, MIDI jitter and loss for audio before, most from the
community vetoed, then after a while the bugs I heard became a topic and
bug-fixes too.

I've got a good reputation regarding to professional audio engineering
and a bad name by the Linux community. I don't care about this.

A lot of people claimed that they don't have sync issues, but the coders
said that e.g. there was a sync issue for Hydrogen, when using Jack
transport, btw. I never used Hydrogen's step sequencer myself, but
noticed similar issues, for other usages. Very often people simply
aren't able to hear KNOWN issues.

Talking, resp. writing about some bugs is useless. I need to live with
those issues.

Ralf

> 
> > a
> > digital copy very often isn't a digital copy ;). But ok, here I didn't
> > use dithering and I do use 32-bit float, but the result has a loss. I
> > dunno what do cause this loss.
> >
> > For Jack there also is a zero-copy issue! You can't do wild connections
> > using Jack, but you need to take care about the order, when e.g.
> > connecting a client to itself.
> >
> >>
> >> I assure you, you get the very same data in a recording via Jack if you
> >> play the same patch of the same synth on a work station with a RME
> >> Hammerfall or on a Laptop with a built-in HDA.
> >>
> >> The only level on wich a soundcard is related to a softsynth is the one
> >> on wich you actually hear the stream. And some synths can render
> >> differntly, if Jack is running at 96KHz instead of 48 or 44.1.
> >> But this has only remotely to do with the sound card let alone its quality.
> >>
> >>> And soft synth already do sound less good than real
> >>> old synth. Unfortunately those real old synth can break and there're no
> >>> microchips available to repair those synth, resp. they are hard to get,
> >>> very expensive and without warranty.
> >>>
> >>> My two TerraTec EWX 24/96 needs to be replaced,
> >>
> >> Tell me where you dump them, these 2 more stereo-dacs would be most
> >> welcome in my box ;-)
> >>
> >> All the trouble with the envy24-cards is related to (mis)configuration
> >> and to stupidities like automatically zeroing all channels caused by PA
> >> in most cases.
> >> As of now these problems can be solved by the user. They are *not*
> >> acceptable, they are bugs that need to be solved. But these bugs are not
> >> show-stoppers.
> >>
> >>> before I don't have got
> >>> the money anymor

Re: Sound cards (Was: Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 15:00 +0200, Hartmut Noack wrote:
> Am 20.05.2011 14:37, schrieb Ralf Mardorf:
> > On Fri, 2011-05-20 at 14:04 +0200, Thomas Orgis wrote:
> >> Am Fri, 20 May 2011 13:54:57 +0200
> >> schrieb Ralf Mardorf:
> >>
> >>> When recording soft synth just by
> >>> JACK, without the sound cards being involved, there's a loss for the
> >>> sound quality too!
> >>
> >> Wait a minute... could you explain that? You have a loss of quality 
> >> compared to live playback of the soft synths (using JACK?) when playing 
> >> back a recording taken from JACK? A recording that preserves 32 bit 
> >> floating point sample format (heck, or 24 bit integer) and the sample 
> >> rate, of course?
> >
> > Yes and other people who can't hear it, do have it too.
> 
> I do not.
> 
> > You can see it
> > by watching the waves spectral by Audacity. I did this regarding to a
> > zero-copy issue, that appears if a Jack client is connected directly to
> > itself, e.g. to do the mastering. 48 and 96 KHz, 32-bit wav 32-bit
> > float.
> 
> If a synth has dynamic filters it will never produce the exactly same 
> stream twice. But if you think about yourself you will find out, that 
> given you use the same settings for Jack on a HDA or a HDSP you will get 
> exactly the same quality.

I'm an expert for audio engineering. I did work for Brauner microphones
development and others, hence I know a little bit about how to do
tests ;).
No dynamic filters are involved!

It's very simple, there's a natural sounding drum set as example drum
kit for Hydrogen. Play a rhythm, record this Rhythm and then record this
recording and compare both recordings. They should be equal, but they
aren't equal. I can here a !clear! loss and it's visible by spectral
waves.

> 
> Simply because a synth-software only delivers, what it renders to Jack 
> and Jack does *not* change anything in that rendered data. There is 
> simply not soundcard and not even a driver involved in the rendering 
> itself. DSPs only do the very same thing faster as cheap chips.
> 
> All difference in sound quality is related to DAC/ADC period

No! Before any converter is involved, there at least could be rounding
errors, if you don't use 32-bit float all the times.

And by the way, the sound card will effect the original and the digital
copy in the same way, even with a bad sound card both recordings
shouldn't differ.

Hey, do a recording of a recording and then run the diff command to
compare them ;)!

> 
> >
> >> I have to wonder what you did there to alter the data from the soft synth. 
> >> I mean ... we're talking bit-exact copy here, aren't we? Can you present a 
> >> test setup to observe that issue?
> >
> > Any Linux install I know, e.g. 64 Studio 64-bit 3.0, 3.3, Suse 64-bit
> > 11.2 and Edubuntu 32-bit Maverick + Ubuntu Studio meta packages and
> > others! If you can't here it, try to see it. If you don't have this
> > issue too, some people claim that they get 100% correct digital copies,
> > then something on my machine might cause a software issue, but I don't
> > think so.
> >
> > Ralf
> >
> >>
> >> Alrighty then,
> >>
> >> Thomas.
> >
> >
> 
> 



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Re: Sound cards (Was: Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 14:36 +0200, Hartmut Noack wrote:
> Am 20.05.2011 13:54, schrieb Ralf Mardorf:
> > On Fri, 2011-05-20 at 12:48 +0200, Robert Klaar wrote:
> >> Any Rme card is good, although they're a bit expensive. Didn't have to
> >> do a thing to get my hdsp 9632 working.
> >
> > Hi Robert :)
> >
> > the main reason to switch the sound cards is the audio sound quality.
> > I'm able to pay around 700,- EUR / 800,- EUR (right now, regarding to my
> > "profession", I usually don't have any money). Btw. I noticed that not
> > only my sound cards do cause loss. When recording soft synth just by
> > JACK, without the sound cards being involved, there's a loss for the
> > sound quality too!
> 
> No, there is none.
> 
> Any software, that generates sounds from scratch like a softsynth wil 
> produce exactly the same stream with any soun card. In fact such 
> software will even generate the very same stream if no soundcard exists.
> 
> And if you record such a stream with Jack you simply store that very 
> stream bit by bit.

Wrong! There still could be rounding errors and dithering involved, a
digital copy very often isn't a digital copy ;). But ok, here I didn't
use dithering and I do use 32-bit float, but the result has a loss. I
dunno what do cause this loss.

For Jack there also is a zero-copy issue! You can't do wild connections
using Jack, but you need to take care about the order, when e.g.
connecting a client to itself.

> 
> I assure you, you get the very same data in a recording via Jack if you 
> play the same patch of the same synth on a work station with a RME 
> Hammerfall or on a Laptop with a built-in HDA.
> 
> The only level on wich a soundcard is related to a softsynth is the one 
> on wich you actually hear the stream. And some synths can render 
> differntly, if Jack is running at 96KHz instead of 48 or 44.1.
> But this has only remotely to do with the sound card let alone its quality.
> 
> > And soft synth already do sound less good than real
> > old synth. Unfortunately those real old synth can break and there're no
> > microchips available to repair those synth, resp. they are hard to get,
> > very expensive and without warranty.
> >
> > My two TerraTec EWX 24/96 needs to be replaced,
> 
> Tell me where you dump them, these 2 more stereo-dacs would be most 
> welcome in my box ;-)
> 
> All the trouble with the envy24-cards is related to (mis)configuration 
> and to stupidities like automatically zeroing all channels caused by PA 
> in most cases.
> As of now these problems can be solved by the user. They are *not* 
> acceptable, they are bugs that need to be solved. But these bugs are not 
> show-stoppers.
> 
> > before I don't have got
> > the money anymore. FWIW S/PDIF doesn't work for my Ubuntu Studio with
> > the TerraTecs, hence I can't use "good analog IOs" that would be
> > available via S/PDIF. Btw. "good analog IOs" in this context does mean
> > consumer DAT Sony DTC-670 and Aiwa HD-S1, both are without any loss of
> > sound quality, when listening by my consumer equipment. At least good
> > consumer sound quality is what I expect of a "professional" sound card,
> > even if internal Linux there still would be loss caused by JACK or
> > caused by what issue ever.
> 
> Jack does not cause any "loss in sound-quality" because Jack does not 
> have any influence on the way, the pcm-stream is produced by the 
> driver/sound-card.
> 
> > Once Brauner borrowed me a Mac with a Motu
> > firewire device.
> 
> The MOTUs are quite okayish and they sound exactly the same on any 
> system that supports them.
> 
> > the Mac's sound quality
> 
> There is no such thing.
> No Mac-expert would endorse something like a special "Mac-related" sound 
> quality. Do not mix that up with "sound performance" that has to do with 
> latencies and stability but *not* with how good it sounds in the end.
> 
> You know why? Because no professional would want to buy/use any 
> computer/OS, that attempts to manipulate the sound produced from a 
> pro-interface, be it for better or worse.
> OS/Driver etc *has* to be absolutely neutral in that, everything else is 
> "super-bass-enancer" nonsense that one my expect in a cheap MP3-player 
> but certainly *not* in a computer-system built for pros.
> 
> > accomplished this requirement! No, I'm not using Brauner microphones for
> > my home studio ;), all I need is good consumer sound quality.
> 
> All your experience is fired by the real quality of the DAC/AD

Re: Ralf and Mudita

[Ralf Mardorf]

On Fri, 2011-05-20 at 07:10 -0500, Scott Lavender wrote:
> Starting a new thread rather than trample another.
> 
> 
> On , Ralf Mardorf  wrote:
> On Fri, 2011-05-20 at 11:45 +0200, Robert Klaar wrote:
>   
> Alsa mixer might cause issues for Envy24 cards! You should use
> Envy24
> Control only. Unfortunately Ubuntu didn't switch to version 1
> "mudita", 
> I guess nearly no distro did switch!
>   
> The Linux community (NOT the Linux audio community) tramples
> all over
> Envy24 users, the most common audio cards! There seems to be
> no chance 
> to change their minds. I'll buy another card, but I don't know
> what
> card.
> 
> 
>  --
>  
>  Ubuntu-Studio-users mailing list
>  Ubuntu-Studio-users@lists.ubuntu.com
>  Modify settings or unsubscribe at:
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>  
> 
> Ralf,
> 
> 
> By this weekend I hope to have submitted a Request For Packaging (RFP)
> to the Debian Multimedia Team so that Mudita will be packaged in
> Debian and then imported into Ubuntu in time for Oneiric.
> 
> Once in the Ubuntu repositories, my intent is to include it for Ubuntu
> Studio Oneiric.
> 
> Warm Regards,
> ScottL

Thank you Scott :)

IMO this is important, Envy24 cards still seems to be the most wide
spread group of full duplex capable, low latency, cheap sound cards.
I did compile Mudita myself and hopefully I get rid of my Envy24 cards
for audio soon, 'cause OTOH (all) Envy24 sound cards seem to use less
good analog IOs. Anyway, as long as there are Envy24 cards for less than
30,- EUR at Ebay those cards are very important, to replace all those
onboard high definition surround 3.5mm jack specimens.

Yes, it should be included to a package.

Ralf



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Re: Sound cards (Was: Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 14:04 +0200, Thomas Orgis wrote:
> Am Fri, 20 May 2011 13:54:57 +0200
> schrieb Ralf Mardorf : 
> 
> > When recording soft synth just by
> > JACK, without the sound cards being involved, there's a loss for the
> > sound quality too!
> 
> Wait a minute... could you explain that? You have a loss of quality compared 
> to live playback of the soft synths (using JACK?) when playing back a 
> recording taken from JACK? A recording that preserves 32 bit floating point 
> sample format (heck, or 24 bit integer) and the sample rate, of course?

Yes and other people who can't hear it, do have it too. You can see it
by watching the waves spectral by Audacity. I did this regarding to a
zero-copy issue, that appears if a Jack client is connected directly to
itself, e.g. to do the mastering. 48 and 96 KHz, 32-bit wav 32-bit
float.

> I have to wonder what you did there to alter the data from the soft synth. I 
> mean ... we're talking bit-exact copy here, aren't we? Can you present a test 
> setup to observe that issue?

Any Linux install I know, e.g. 64 Studio 64-bit 3.0, 3.3, Suse 64-bit
11.2 and Edubuntu 32-bit Maverick + Ubuntu Studio meta packages and
others! If you can't here it, try to see it. If you don't have this
issue too, some people claim that they get 100% correct digital copies,
then something on my machine might cause a software issue, but I don't
think so.

Ralf

> 
> Alrighty then,
> 
> Thomas.


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Sound cards (Was: Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 12:48 +0200, Robert Klaar wrote:
> Any Rme card is good, although they're a bit expensive. Didn't have to
> do a thing to get my hdsp 9632 working.

Hi Robert :)

the main reason to switch the sound cards is the audio sound quality.
I'm able to pay around 700,- EUR / 800,- EUR (right now, regarding to my
"profession", I usually don't have any money). Btw. I noticed that not
only my sound cards do cause loss. When recording soft synth just by
JACK, without the sound cards being involved, there's a loss for the
sound quality too! And soft synth already do sound less good than real
old synth. Unfortunately those real old synth can break and there're no
microchips available to repair those synth, resp. they are hard to get,
very expensive and without warranty.

My two TerraTec EWX 24/96 needs to be replaced, before I don't have got
the money anymore. FWIW S/PDIF doesn't work for my Ubuntu Studio with
the TerraTecs, hence I can't use "good analog IOs" that would be
available via S/PDIF. Btw. "good analog IOs" in this context does mean
consumer DAT Sony DTC-670 and Aiwa HD-S1, both are without any loss of
sound quality, when listening by my consumer equipment. At least good
consumer sound quality is what I expect of a "professional" sound card,
even if internal Linux there still would be loss caused by JACK or
caused by what issue ever. Once Brauner borrowed me a Mac with a Motu
firewire device. This devices sound quality and the Mac's sound quality
accomplished this requirement! No, I'm not using Brauner microphones for
my home studio ;), all I need is good consumer sound quality.

Two question about the RME card, I'll read more about sound cards later
and during the weekend and maybe I'll order a card next week.

http://www.thomann.de/gb/search_dir.html?xsid=294c1645e0e16b761c35fa8f9ebcec51&sw=HDSP+9632&x=0&y=0

At a max of 4 analog IOs? The unbalanced breakout cables are part of the
product content?

Cheers!

Ralf


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Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 11:45 +0200, Robert Klaar wrote:
> Maybe you could try and run:
> 
> 
> sudo apt-get clean
> sudo dpkg --reconfigure -a
> 
> 
> ...this should clean the updates cache, if there's any broken packages
> or something that gets in the way.
> 
> 
> Best,
> RobertK
> 
> 
> On Fri, May 20, 2011 at 11:18 AM, Jonathan Goodman
>  wrote:
> Hi,
> Recently I allowed an update to Ubuntu lucid lynx and suddenly
> my
> computer became silent. I tried opening envy24(for my envy
> ice1712 card)
> -no deal. Alsa mixer from the command line

Alsa mixer might cause issues for Envy24 cards! You should use Envy24
Control only. Unfortunately Ubuntu didn't switch to version 1 "mudita",
I guess nearly no distro did switch!

The Linux community (NOT the Linux audio community) tramples all over
Envy24 users, the most common audio cards! There seems to be no chance
to change their minds. I'll buy another card, but I don't know what
card.



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Re: no sound

[Ralf Mardorf]

On Fri, 2011-05-20 at 12:18 +0300, Jonathan Goodman wrote:
> Hi,
> Recently I allowed an update to Ubuntu lucid lynx and suddenly my
> computer became silent. I tried opening envy24(for my envy ice1712 card)
> -no deal. Alsa mixer from the command line 
> -doesn't exist.I tried synaptic to may-be reinstall or fix,received the
> following: dpkg was interrupted, you must manually run 'sudo dpkg
> --configure -a' to correct the problem. 
> I tried and received the following: parse error, in file
> '/var/lib/dpkg/updates/0001' near line 0:
>  field name `state.VT82xx' must be followed by colon
> force corrected the colon tried again and received this:dpkg: parse
> error, in file '/var/lib/dpkg/updates/0001' near line 128:
>  missing package name
> (1) I don't understand what package name to put there.
> (2) It seems to me that there will be an endless stream of error
> messages.
> Before this update every thing worked really well. Now I'm left severely
> in the lurch.
> I am a musician windows user (not software technician)  who was forced
> by circumstances to setup a Linux machine for my partner to print a
> music collection and establish a reference library for devotional music
> with recordings coupled with musical notes and text.
> Since he isn't able to do any of the work himself I have to wander in a
> place where I know nothing.
> I will very much appreciate guidance.
> 
> Sincerely,
> Jonathan

1. I tried to upgrade from Maverick to Natty and need to restore
Maverick from a backup, because the upgrade does break my Edubuntu
Studio.

2. I don't know when there was a change for all Linux distros I tested,
but there was a change. Envy24 cards don't work out of the box with
current Linux distros anymore.

For Lucid edit ...

/usr/share/alsa/cards/ICE1712.conf

[snip]


ICE1712.pcm.front.0 {
@args [ CARD ]
@args.CARD {
type string
}
type route
ttable.0.0 1
ttable.1.1 1
slave.pcm {
type hw
card $CARD
}
 fix PA issue 
slave.format S32_LE
slave.channels 10
##
}
[snip]

For Maverick it's much more complicated. Additionally I needed to
pseudo-disable PulseAudio.

The best thing would be to get rid of PulseAudio, but this isn't easy to
do without breaking dependencies.

Hth,

Ralf


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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf Mardorf]

On Tue, 2011-05-17 at 10:40 -0400, Mike Holstein wrote:


> hey Ralf... the offical IRC channels are logged at
> http://irclogs.ubuntu.com/ if you would like to browse through them.
> the reason i suggest the IRC is that an exchange such as the one you
> and I have had for the past week or so could be taken care of in a few
> minutes on the IRC. 
[snip]
>  otherwise, if you would like to join the -devel IRC channel for a
> moment and check out how it works, you can use this freenode webchat
> link,
> http://webchat.freenode.net/?channels=ubuntustudio-devel&uio=d4 . 
[snip]

I'm not sure if I'll chat. What are favourable Greenwich times to join
IRC?

Ralf

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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Mon, 2011-05-16 at 13:36 -0400, Mike Holstein wrote:

> 
> we, as a community (especially the ubuntustudio community) need to
> adopt an attitude 'if its broke, fix it'. there are simple things that
> you and i as non-technical users can do such as documentation, wiki
> updating, advocacy and meeting planning. let me know when you would
> like to meet up on the IRC. thats really where realtime discussion and
> collaboration happens. thanks

Ok, I'm already doing this kind of things. I don't like chats, I'm not
subscribed to any chat. The mailing-list should be ok too ;).

Ralf





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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Tue, 2011-05-17 at 00:53 +0200, Robert Klaar wrote:

> And that being said, I think we ARE trying to attract the same people
> as apple do, and that might be something we can learn from wether we
> like it or not.

No, iCommercial first was for elitists and since some years, it's for
the all-consuming masses. Using a Mac is more intended by the wish to be
hip, than regarding to arguments. I would prefer Microsoft instead of
Apple and I guess Linux is more attractive for some Microsoft users.
There are very few situations a Mac would be the better choice, than a
Windows computer would be. An averaged computer users doesn't care about
POSIX etc..



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Tue, 2011-05-17 at 00:23 +0200, Robert Klaar wrote:
> Many artists/producers DO use mac's and wouldn't this open up for a
> larger group of potential users?

iTux? I guess you'll get Windows and MacOs themes for many Linux DEs.
Hm? Many people don't know that it's also possible to customize even old
Windows versions. It's possible to replace double-clicks by
single-clicks, to switch colours, borders etc., but usually Windows
users don't change even a colour.
Seen from this vantage point it would confuse such users, if a DE does
look equal to the DE for another OS, but it might act just a little bit
different.

For me it's no big deal to switch between Atari TOS (less a DE, than
just a WM), Windows, OSx and various Linux DEs. I do customize my
environments if wanted.  Anyway, IMO most important for Ubuntu Studio is
to provide a desktop that does fit to the needs of many artists and
producers, customer acquisition is unimportant.

All WMs, DEs nearly do the same, but the marginal differences are
important for the work flow. Most of the times I do use a terminal
emulation for file-browsing, just sometimes I prefer a file manager. The
best ever was Konqueror for KDE3. If you e.g. fluffy compare Konqueror,
Dolphin and Nautilus they seem to be very similar, but the aren't.
Differences to other file managers such as PacManFM, Thunar etc.
obviously differ a lot. 

It's no big deal to install several WMs/DEs, but it's only possible to
customize one of those DEs completely, because of freedesktop issues,
that e.g. could cause that there will be two wastebasket or other
unwanted objects on your desktop, after closing a file manager, it might
switch the panels of the chosen DE by those of another installed DE, the
file manager originally is intended for.

-1 for iTux

Ralf
> 
> 



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Mon, 2011-05-16 at 17:12 +0200, Ralf wrote:
> On Mon, 2011-05-16 at 10:24 -0400, Mike Holstein wrote:
> 
> > Ralph, im going to assume a question here. that question would be...
> > "will the ubuntustudio metapackages *require* XFCE?"
> > theres one metapackage right now called ubuntustudio-desktop. that
> > would be the one that would pull XFCE in, and switch DE's. theres no
> > reason why the others should do that, or need to do that, and thats a
> > very valid point that i will keep in mind as we move forward. this
> > question you posed also gave me a great idea. maybe we can just take
> > the current ubuntustudio-desktop (with gnome2), leave it as-is (so
> > there is no maintenance) rename it ubuntustudio-desktop-gnome, and
> > leave that in place as long as gnome2 is around. in that way, a user
> > could install the current ubuntu vanilla, and get switched to the good
> > 'ol gnome current setup that we all know and love by running sudo
> > apt-get install ubuntustudio-destkop-gnome. this package could be
> > around as long as ubuntu has gnome2 in the repo. i will ask how
> > challenging that could be to implement that, unless you would like to
> > take that on Ralph? it would be great if you could help us
> > constructively resolve some of these issues users are having with this
> > UI switch.
> 
> A good idea to provide 2 different desktop meta packages, if somebody
> has the time and knowledge to maintain the GNOME package.
> 
> I might have some time to contribute some work, but I guess not the
> knowledge to help here. Resp. how could I (and perhaps other people)
> contribute something regarding to the DE issue?
> 
> Ralf

PS: Pardon? No maintenance? What's the difference between a Ubuntu
vanilla GNOME and the GNOME by the Ubuntu Studio package?



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Mon, 2011-05-16 at 10:24 -0400, Mike Holstein wrote:

> Ralph, im going to assume a question here. that question would be...
> "will the ubuntustudio metapackages *require* XFCE?"
> theres one metapackage right now called ubuntustudio-desktop. that
> would be the one that would pull XFCE in, and switch DE's. theres no
> reason why the others should do that, or need to do that, and thats a
> very valid point that i will keep in mind as we move forward. this
> question you posed also gave me a great idea. maybe we can just take
> the current ubuntustudio-desktop (with gnome2), leave it as-is (so
> there is no maintenance) rename it ubuntustudio-desktop-gnome, and
> leave that in place as long as gnome2 is around. in that way, a user
> could install the current ubuntu vanilla, and get switched to the good
> 'ol gnome current setup that we all know and love by running sudo
> apt-get install ubuntustudio-destkop-gnome. this package could be
> around as long as ubuntu has gnome2 in the repo. i will ask how
> challenging that could be to implement that, unless you would like to
> take that on Ralph? it would be great if you could help us
> constructively resolve some of these issues users are having with this
> UI switch.

A good idea to provide 2 different desktop meta packages, if somebody
has the time and knowledge to maintain the GNOME package.

I might have some time to contribute some work, but I guess not the
knowledge to help here. Resp. how could I (and perhaps other people)
contribute something regarding to the DE issue?

Ralf





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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Sun, 2011-05-15 at 19:41 +0200, Robert Klaar wrote:
> 

> If there is one thing I've learned in these years using linux is to go
> with the mainstream and use what people use most, not doing so might
> land you in a position where something as basic, for a musician, as
> getting your soundcard to work seem hopeless due to lack of support.

Full ACK, but making music using Linux is done ...

> I think US would be wise to stay as close as possible to it, and even
> though switching DE's is not really that drastic, changing something
> like this might make it a lot more harder for an artist or a producer
> etc., with little computer experience, solving problems as the
> solution found in the forums might not be enough. Now, this is not a
> problem for most people who use linux since you get used to these
> things after a while switching distro's aso. and in general you get
> better at it but not everyone does this, especially not your typical
> artist type, that's why many musicians prefer mac's.

... by a marginal group.

PRO FOOLS and other stuff is used because humans are gregarious animals.
The trendies wish to be cooler, than ordinary Microsoft users. An Apple
computer is a status symbol and often not the best choice for a
recording studio.

We can't stay close !!! to the averaged "desktop user community", if we
need real real-time. It begins with default settings for the DE, e.g.
sound for the desktop. When I'm using the computer for office work etc.
I don't need audio, but the averaged user wish to have audio. If I use
it to make music, I won't here any voice from the trash can that is
double as loud as my recordings are.

Ralf



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Sun, 2011-05-15 at 15:46 -0400, Michael Dickson wrote:
> On Sun, 2011-05-15 at 13:17 -0400, Mike Holstein wrote: 
> > 
> > check out gnome3 here http://www.gnome3.org/tryit.html and see what
> > you think. assuming gnome3 is an acceptable DE for ubuntustudio, it
> > cannot be disputed that it is a drastic change from gnome2, and its
> > arguable that XFCE is actually more like gnome2 than gnome3 is. i have
> > been hanging out in the #gnome channel on freenode looking into what
> > 'compatibility mode' is in gnome3, and how to get it running, and if
> > it is indeed the same as gnome3, and if it is going to be part of
> > gnome3 in the long term. to quote from the IRC channel 'gnome2 is
> > dead'. that being said, feel free to actually go and check out gnome3
> > for yourself, and report on its functionality. thanks
> 
> I have actually run Gnome3.  And like others I struggled with it a bit
> initially. But after using it for a little while I found it very nice.
> It is a big change however, no disputing that.
> 
> I'll weigh in with this opinion.  I believe Ubuntu Studio should track
> the "default" Ubuntu desktop for the release track its on.  In the time
> frame being discussed that would actually mean Unity as I understand it.
> Unity has its own issues and represents a big change.  But it will be
> the default for the platform and therefore likely have the largest user
> base for the DE environments supported.  And that user based insures
> testing and stability for US. 
> 
> Now if someone isn't comfortable with that approach an alternative that
> should be available is installing the Ubuntu flavor you prefer (like
> XUbuntu for instance) and retrofitting packages from Studio on top of
> it.  So no reason I cant run studio bits under XFCE.  But the default
> should be the "default" for the distribution.  
> 
> That's my take and the argument for it.
> 
> Mike

The averaged Ubuntu user isn't a home recording or professional studio
user. A long time ago I used KDE3 (on Suse and Debian). When they
stopped KDE3 and switched to KDE4, I switched to GNOME. KDE4 has a lot
of advantages, but the workflow changed and it became less good for the
way I'm using the desktop environment, especially when making music.

If it's similar for the change from GNOME2 to GNOME3, it would be nice
to get an already set up substitution.

Installing Ubuntu Studio from the Ubuntu Studio media caused issues
here, installing Edubunt + Ubuntu Studio packages result in a good DAW.
So for me the only problem might be, that installing the Ubuntu Studio
packages might force me to keep XFCE too, even if I shouldn't use it,
but yes, it's no big deal to have several WMs/DEs installed and to chose
one, when logging in. XFCE shouldn't become a dependency for all Ubuntu
Studio meta packages.

Regarding to computer resources, the best environment I ever used, was a
frame based environment. Ion2. But short-cuts aren't good when you've
got one hand on the guitar, the other on the mixing console and you need
to start the recording with your nose.

Ralf




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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf Mardorf]

On Sat, 2011-05-14 at 11:44 -0500, Scott Lavender wrote:


> lxde, xfce

Oops, I confused LXDE with XFCE, pardon. Both are ok, but IIRC I didn't
prefer XFCE, it was LXDE. However, both can't replace GNOME.



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf Mardorf]

On Sat, 2011-05-14 at 10:13 -0500, Kenneth Koym wrote:
> At age 72 I don't have time for bewildering experiences. Must
> personally try to work my life plan. No, I think XFCE Studio stinks.

I'll try to keep GNOME2 for my DAWs as long as possible. I did use XFCE,
it's good, but I anyway switched back to the much better GNOME. Btw. I
don't switch the distro version every half year, IMO it's impossible to
provide a completely upgraded DAW every half year that is really stable.


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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf Mardorf]

On Sat, 2011-05-14 at 07:26 -0500, Scott Lavender wrote:


> I suggest reading my blog [1] for those interested in the rationale
> behind the switch as it details some of the events and decisions that
> lead up to choosing XFCE.
> 
> Cheers,
> ScottL
> 
> [1]
> http://dullass.blogspot.com/2011/05/ubuntu-studio-moving-to-xfce.html

I never tested Unity or GNOME3. XFCE is my favourite if there should be
the need to switch the DE, but I guess I'll test GNOME3 or Unity, when
it's needed first.



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Sat, 2011-05-14 at 01:38 -0400, Mike Holstein wrote:


> ralf, are you talking about gnome3? gnome2 will not be disappearing
> from the repos anytime soon, and gnome3 will surely be in the default
> ubuntu repos as long as it is actively developed. the reason for the
> change is just that. gnome2 is not being actively developed anymore,
> and we (the ubuntustudio team) dont really have the kind of resources
> to take on something like that. i think some of what led us to XFCE is
> that it is gnome2-like (more so than gnome3 or unity). do you feel
> gnome3 is the best choice for a DAW?

Guten Morgen Mike :)

I don't know GNOME 3. I switched from KDE 3 to GNOME, when there was the
changing to KDE 4. If switching to GNOME 3 will cause similar issues,
than
+1
for XFCE too!

:(
> 



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Sat, 2011-05-14 at 10:26 +0900, Takashi Sakamoto wrote:
> I can understand XFCE desktop environment is fit to our aim, Linux Multimedia 
> Workstation.

I was thinking this too. I used a DAW with XFCE and now I'm using GNOME
again. What especially should fit to "our" aim?

Cheers!

Ralf




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Re: Ubuntu Studio is switching to XFCE.

[Ralf]

On Fri, 2011-05-13 at 16:51 -0700, Seattle Chaz wrote:
> Looking forward to seeing this implementation - and holding fast with
> the 10.04 LTS.  See you in 2012!

OT:
Im using 10.10 ;). The Upgrade to Natty doesn't work and I don't wish to
set up a new MIDI DAW every half year. Btw. a "RFID linked transport
system ticket app" seems to need an older version of Ubuntu, because it
can't see a connected scl011 RFID reader on my 10.10. This reader also
is needed for using the new German identity card and it's app should be
released end of the month. In other words, the real world doesn't care
about Linux. They provide apps for Linux, but they keep the bins for
special distribution versions for a long time. In real life, it's not
usual to switch a good tool or a winning team all the time. Hm? Using
the computer is real life too ;).

Never change a winning team!



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Sat, 2011-05-14 at 09:02 +1000, Dave wrote:
> Seems like a step in the wrong direction.

+1

Again, XFCE is a good environment, but some things are simple when using
GNOME and become a PITA for other DEs. GNOME is the best choice. Better
switch to a kernel-rt than to switch the DE, if you wish to win
something. Nothing that is relevant for a DAW will be faster when using
XFCE. Tweaks to get better performance can be done by using the
RT-patch, JACK2 from svn etc..


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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Fri, 2011-05-13 at 14:32 -0500, Erik Rasmussen wrote:

> it seems to make up for in being lightweight, fast, and reliable.

How much more light weighted? For what kind of usage is it noticeable
faster? I don't agree.

Full ACK regarding to the reliability, but GNOME is reliable too and
more comfortable.
> 
> Another priority of Xfce is adhereance to standards, specifically
> those defined at freedesktop.org.

If you'll use several freedesktop.org-DEs, this could become a PITA
regarding to the appearance of your desktop and main menu.
> 



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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

On Fri, 2011-05-13 at 20:04 -0500, Erik Rasmussen wrote:
> Interesting.  I've never tried opening a PDF with OpenOffice.  Out of
> curiosity, why do you do that and which portion of OpenOffice do you
> use?  (Writer, Calc, Draw, etc.)

Are we talking about DAWs? The default could be Abiword to safe
resources. And for PDFs there are other apps ;).


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Re: *Official Announcement:* Ubuntu Studio is switching to XFCE.

[Ralf]

The wild enthusiasm when using XFCE IMO quickly will switch to
disillusion. You should stay at GNOME.

Anyway, XFCE is a good choice compared with similar light weighted
environments, such as e.g. e17.

What are the reasons to switch the WM/DE?

There's a win for the performance etc. when using Ion, a frame based
environment, but that causes issues regarding to windows opened by some
apps. There's no noticeable win when using Fluxbox, e17, XFCE etc., but
a lot of PITA.

IMO GNOME is the best choice for a DAW.
> 
2 Cents,

Ralf


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RE: Spectrum3d : software that displays the harmonics of the sound in 3D

[Ralf]

OT regarding to Spectrum3d.

On Fri, 2011-05-06 at 11:03 +0200, Victor henri wrote:
> I t seems that having a rt kernel working is already very difficult; I
> believe there is already really hard work behind this... Furthemore,
> in my humble opinion, the preempt kernel becomes more and more
> interesting...

Building the kernel-rt ourself isn't difficult! AFAIK the only known
issue is regarding to the proprietary nvidia driver, which anyway could
cause issues for harder real-time.

It's correct, that more and more of the rt-patch occupies the vanilla
kernel, anyway, it's untrue that a real-time kernel can be replaced by a
preemtion only kernel.

It's correct, that just doing audio work with Ardour2 is without
problems, regarding to hard real-time issues, but if you wish that MIDI
event recordings should have a proper timing, like an analog recording
of a really good musician, than you need a kernel-rt + jack from svn
etc.. A lot of people think that it's impossible that a MIDI event
recording could preserve the groove of a very gifted musician, well,
that's a half-truth. MIDI nearly is possible to do that. Most people
aren't able to hear that MIDI isn't able to do it perfectly. What people
are able to hear, as a less good timing, is jitter. They guess that the
sequencer does play too correct, human touch should be missing, but
that's wrong. You don't need to quantize MIDI events and if hard
real-time works, it's very close to a real musician or an audio
recording. Unfortunately most of the PCs are unable to do hard real-time
and jitter will break the groove. For less gifted musicians it might
sound like the timing is to perfect, but this is wrong, it's bad timing
caused by jitter, that makes MIDI breaking grooves.

I don't like the statement that a PREEMPT kernel could replace a PREEMPT
RT. Even the PREEMPT RT should do harder real-time. Note that on
multi-tasking OS real-time seldom is real-time. The kernel-rt, ASIO etc.
don't do, what's called hard real-time. Hard real-time usually is done
by old computers and stand alone sequencers, e.g. the C64, Atari ST.

Btw. JACK2 from svn is able to do MIDI hard real-time, when using the
kernel-rt. Without JACK2 from svn, there's no chance to get this! Of
cause, I'm talking about hw MIDI and not about soft synth (Or do you
guess Hexter does sound like an old DX7 in the brown metal case? Any
analog synth emulation does sound like e.g. an Oberheim Matrix-1000? I
do use those and other old faithful synth. Btw. I'm a guitarist not a
keyboarder ;).

2 cents,

Ralf


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[OT] tar command

[Ralf]

Does anybody know something about tar?

Very interesting, I deleted a broken Maverick-Natty-Upgrade-Install by
# rm -r *, then I copied a backup archive and restored Maverick from the
backup by tar xzf *, restoring Maverick takes between 3 and 4 minutes
only.

How is this possible?

The restored Maverick seems to be ok, at least Email etc. is ok, the
size, 6.76 GiB is correct.

An amazing voodoo trick.

I didn't know that it's that fast.


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Re: Version update from 10.10 to 11.04 - Is it better to re-build the kernel-rt?

[Ralf Mardorf]

On Wed, 2011-05-04 at 13:16 -0600, Gustin Johnson wrote:
> At the very least you should recompile the kernel as the version of
> GCC changes with each release.  This can cause issues if you need to
> compile a module against your kernel or if you use binary driver
> blobs.

Thank you Gustin :)

I was thinking of this myself, but OTOH, I wasn't able to build the
nvidia driver/modules for current real-time kernels.

Btw. the update failed. I'll restore Maverick from the backup archive. I
guess it's because  of dirty tricks to get the Envy24 work, an
pulseaudio issue.

- Ralf

> 
> No idea about the rest.
> 
> On Wed, May 4, 2011 at 6:23 AM, Ralf  wrote:
> > After a version upgrade, would it be better to re-build the kernel-rt or
> > is using the kernels I build with Maverick ok? What's about a self-build
> > jackd from svn etc.?
> >
> > Hm? 495 new packages? Order of packages isn't sorted by the alphabet,
> > hence it's hard to check for issues. The proprietary nvidia driver is
> > removed, so I expect Ubuntu not to startup (kernel-generic) after the
> > update, regarding to:
> >
> > $ cat /etc/rcS.d/S69*
> > #! /bin/sh
> > # /etc/rcS.d/Switch_xorg_conf
> >
> > rm /etc/X11/xorg.conf
> > case $(uname -r) in
> >*rt*)
> >cp /etc/X11/xorg.conf.nv /etc/X11/xorg.conf
> >;;
> >*)
> >cp /etc/X11/xorg.conf.nvidia /etc/X11/xorg.conf
> >;;
> > esac
> >
> > I also wonder what will happen to pulseaudio and envy24 tweaks, my
> > desktop theme etc..
> >
> > No longer supported by Canonical (8)
> >libgnome2-perl
> >docbook-xsl-doc-html
> >hal-info
> >libhal1
> >hal
> >libhal-storage1
> >phonon-backend-xine
> >smartdimmer
> > Remove (7)
> >git1.0-glib-2.0
> >libpolkit-qt-1-0
> >libmarblewidget10
> >gnome-user-guide-de
> >gnome-user-guide-en
> >libgirespository1.0-1
> >libdrm-nouveau1
> > No longer needed (15)
> >libwebkit-1.0-common
> >libqtscript4-phonon
> >libavformat52
> >openoffice.org-style-human
> >libwebkit-1.0-2
> >libgladeui-1-9
> >libswscale0
> >libavutil50
> >openoffice.org-core
> >libindicator1
> >libimobiledevice1
> >openoffice.org-base-core
> >nvidia-current-modaliases
> >nvidia-1773-modaliases
> >libavcodec52
> > Install (495)
> >[snip]
> > Upgrade (1655)
> >[snip]
> >
> > Of cause there're two backups and one is brand-new:
> >
> > $ ls edubuntu*tar.gz -hl
> > -rw-r--r-- 1 root root 2.6G 2011-04-14 12:58
> > edubuntu_maverick_apr-14-2011.tar.gz
> > -rw-r--r-- 1 root root 2.7G 2011-05-04 10:45
> > edubuntu_maverick_may-04-2011_stable_midi_daw.tar.gz
> >
> > ;) Ralf
> >
> >
> >
> >
> > --
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> > Modify settings or unsubscribe at: 
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> >
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Install is broken after trying to do a version update from 10.10 to 11.04

[Ralf Mardorf]

“Could not install the upgrades
The upgrade has aborted. Your system could be in an unstable state. A recovery 
will run now (dpkg –configure -a).”

“Upgrade complete
The upgrade has complete but there were errors during the upgrade process.”

It stopped at “Installing the upgrades”, about 1hour 36 minutes remaining.

Evolution can't be started any more and for the running apps in the panel, the 
Firefox icon is missing. Perhaps that aren't the only issues ;). I didn't 
restart the computer until now.

I'll be out now and later in the evening I need to restore Maverick from the 
backup archive.

Is there any log file for the distribution upgrade that failed?

LibreOffice replaced Ooo and it's ok, but it's in German, while it should be in 
English.
Hm? I didn't change Edubuntu 10.10 very much. The only hard tweaks were 
regarding to pulseaudio and my Envy24 sound cards. No tweaks, no sound. 
Anything else shouldn't cause trouble, resp. there're e.g. are dummy packages 
for JACK2 from svn, important for MIDI musicians, to get rid of MIDI jitter and 
it's installed by waf to /usr/local, but anyway, this shouldn't be an issue.

The mouse wheel is working now, before the upgrade it didn't work most of the 
times.

:(

Ralf

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Version update from 10.10 to 11.04 - Is it better to re-build the kernel-rt?

[Ralf]

After a version upgrade, would it be better to re-build the kernel-rt or
is using the kernels I build with Maverick ok? What's about a self-build
jackd from svn etc.?

Hm? 495 new packages? Order of packages isn't sorted by the alphabet,
hence it's hard to check for issues. The proprietary nvidia driver is
removed, so I expect Ubuntu not to startup (kernel-generic) after the
update, regarding to:

$ cat /etc/rcS.d/S69*
#! /bin/sh
# /etc/rcS.d/Switch_xorg_conf

rm /etc/X11/xorg.conf
case $(uname -r) in
*rt*)
cp /etc/X11/xorg.conf.nv /etc/X11/xorg.conf
;;
*)
cp /etc/X11/xorg.conf.nvidia /etc/X11/xorg.conf
;;
esac

I also wonder what will happen to pulseaudio and envy24 tweaks, my
desktop theme etc..

No longer supported by Canonical (8)
libgnome2-perl
docbook-xsl-doc-html
hal-info
libhal1
hal
libhal-storage1
phonon-backend-xine
smartdimmer
Remove (7)
git1.0-glib-2.0
libpolkit-qt-1-0
libmarblewidget10
gnome-user-guide-de
gnome-user-guide-en
libgirespository1.0-1
libdrm-nouveau1
No longer needed (15)
libwebkit-1.0-common
libqtscript4-phonon
libavformat52
openoffice.org-style-human
libwebkit-1.0-2
libgladeui-1-9
libswscale0
libavutil50
openoffice.org-core
libindicator1
libimobiledevice1
openoffice.org-base-core
nvidia-current-modaliases
nvidia-1773-modaliases
libavcodec52
Install (495)
[snip]
Upgrade (1655)
[snip]

Of cause there're two backups and one is brand-new:

$ ls edubuntu*tar.gz -hl
-rw-r--r-- 1 root root 2.6G 2011-04-14 12:58
edubuntu_maverick_apr-14-2011.tar.gz
-rw-r--r-- 1 root root 2.7G 2011-05-04 10:45
edubuntu_maverick_may-04-2011_stable_midi_daw.tar.gz

;) Ralf




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No audible MIDI jitter anymore for hw MIDI out

[Ralf Mardorf]

Thank you coders :)

now I can use Linux to make music :).

Regarding to 'nobody does report success, just bugs are reported' I guess NO 
MIDI JITTER is worth a crossposting.

$ uname -a
Linux edubuntu 2.6.33.9-rt31 #1 SMP PREEMPT RT Tue Apr 26 15:05:31 CEST 2011 
i686 GNU/Linux

jackd 1.9.8 I guess svn 4290 or earlier

Qtractor 0.4.8.69 svn 1978

Ardour2 1:2.8.11-1ubuntu1

a2jmidi_bridge 6-0ubuntu3

jackd --sync -Xalsarawmidi -dalsa -r48000 -p256

snd-hrtimer loaded and used as ALSA seq timer source, unfortunately there 
aren't enough timers to be used with JACK clients, when using the "-c" switch.

With Ardour (synced to Qtractor by JACK transport) I recorded

- Yoshimi, JACK MIDI
- Hydrogen (as sample player only, not using it's pattern sequencer)and
  DSSI plugins hosted by Qtractor, ALSA MIDI
- via PCI Envy24 MPU an Oberheim Matrix-1000, Yamaha DX7, Yamaha TG33
  connected by a MIDI thru chain

I didn't record all instruments at the same time, but one after the other and 
sync is perfect, no audible jitter.

Unfortunately I couldn't use -Xalsarawmidi for recording MIDI events on MIDI 
tracks, because there's no bridge.

FWIW, Ardours latency compensation is ok too. Ardour just isn't restoring the 
SMPTE offset, which isn't a big deal, because I don't use it now and manually 
setting it does work.

My machine is a

$ hwinfo --cpu
  Model: 15.107.2 "AMD Athlon(tm) X2 Dual Core Processor BE-2350"
  Clock: 2100 MHz
$ hwinfo --memory
  Memory Size: 4 GB
  When building the kernel I set
  'echo "CONFIG_HIGHMEM4G is not set" >> .config' and
  'echo "CONFIG_HIGHMEM64G=y" >> .config' and btw.
  'echo "CONFIG_MK8=y" >> .config' too.

The distro is Edubuntu 10.10 Maverick 32-bit + Ubuntu Studio meta packages. 
Using the FLOSS nv driver for a NVIDIA GeForce 7200 GS on an ASUS M2A-VM HDMI 
motherboard. The two PCI sound cards are not used as one virtual sound card. 
Both are active, but I only did use one of the cards. I didn't use any USB 
device, but e.g. a PS/2 mouse and keyboard. PPPoE and screen saver were 
enabled, CPU frequency scaling was set to performance.

Still one issue left. Any recommendations for a sound card with good audio 
qualitiy ;)? I guess I could spend around 700,- EUR and I need minimal 2 or 
better 4 analog IOs, mic pre amps etc. aren't needed, I'm using a mixing 
console.
At the moment I 've got two TerraTec EWX 24/96 PCI cards, which cause a muddy 
bass sound.

Thank you very much for the good work again,

Ralf

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'A new version of Ubuntu is available. Would you like to upgrade?'

[Ralf Mardorf]

'Welcome to Ubuntu 11.04 'Natty Narwhal''

I'm on Edubuntu 10.10 (Maverick) + Ubuntu Studio meta packages. Is it safe to 
upgrade the version, even if some software is self build + a cheap trick to 
disable pulse audio? OTOH, excepted of fluidsynth-dssi, there's nothing from 
third party repositories on this install.

I would backup Maverick before upgrading, but I anyway would like to read about 
experiences, regarding to Ubuntu version upgrades.

-- 
Ralf

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Re: Ubuntu-Studio-users Digest, Vol 48, Issue 39

[Ralf]

On Fri, 2011-04-29 at 15:44 -0700, Casey Forslund wrote:
> Ubuntu Studio 11.04?? - Didn't know it existed yet!
> 
> Hey all: I read Erik R's comments on the last mail-out... I went to
> the Ubuntu Studio website, and there is only 10.04 available so far.
> Did Erik just install a beta or something? Any thing you folks can
> offer me to de-mystify would be great. Cheers!

You can install any Ubuntu to get Ubuntu Studio, I e.g. installed
Edubuntu 10.10 and then installed some of the Ubuntu Studio meta
packages by synaptic, to get Ubuntu Studio. Ubuntu Studio is part of the
Ubuntu repositories.


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Re: Reinstalling fresh

[Ralf]

On Fri, 2011-04-29 at 11:04 -0600, Gustin Johnson wrote:
> Try switching the video driver to the nouveau one.  In the past I have
> had a lot of similar issues with the proprietary driver combined with
> the realtime kernels.

On Ubuntu Maverick I successfully used

2.6.33.7.2-rt30

but using audio PCI cards and my current

2.6.33.9-rt31

also seems to be ok with the FLOSS nv driver.

I couldn't build the proprietary nvidia driver for those kernels. I'm
doubtful regarding to nouveau.


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Re: Reinstalling fresh

[Ralf Mardorf]

On Fri, 2011-04-29 at 10:56 -0500, tommy wrote:
> Thank you Ralf, I will try this after work today.

spinymouse11.2@suse11-2:/boot> cat config-2.6.31.6-rt19 | grep HRTIMER
CONFIG_SND_HRTIMER=m
CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
spinymouse11.2@suse11-2:/boot> cat config-2.6.31.6-rt19 | grep HPET
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_HPET=y
CONFIG_HPET_MMAP=y

There're some other settings relevant too, regarding to the driver it
also might be, that you've got no module, because it's compiled within
the kernel. If it's like this CONFIG_SND_HRTIMER=m, you need to load it
manually.


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Re: Reinstalling fresh

[Ralf]

Pardon, you need to be in  the correct path ;)

$ cat /boot/config-$(uname -r) | grep CONFIG_HPET_TIMER
CONFIG_HPET_TIMER=y


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Re: Reinstalling fresh

[Ralf]

On Thu, 2011-04-28 at 23:33 -0500, tommy wrote:
> Thank you, I am going to order a Syba firewire card with a TI chipset,
> I tried hpet but when I typed in sudo modprobe snd-hrtime
> I got FATAL: Module snd_hrtime not found., How would I go about
> getting that module?

It has to be enabled by the kernel configuration and your motherboard
must provide the high resolution timers.

$ cat config-$(uname -r) | grep CONFIG_HPET_TIMER
CONFIG_HPET_TIMER=y

If it isn't enabled you need to enable some additional entries for hpet,
the easiest way to do this, is to copy the generic's config, when
building the kernel rt and just change the rt settings.


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Re: Reinstalling fresh

[Ralf]

On Thu, 2011-04-28 at 20:02 -0400, Mike Holstein wrote: 
> you see the line ehci_hcd:usb1, uhci_hcd:usb8, ohci1394, thats not
> ideal.. that means that your firewire device is shared with 2 other
> USB ports... you should look in the bios and see if you can change
> that, and also, run lspci and see what firewire chipset you have...

Sharing IRQs is super-bad, but even having unneeded IRQs isn't ideal,
e.g. do you need the crappy HDA intel device?

Regarding to the shared IRQs, I for example avoid to use to much USB
devices, by using a PS/2 mouse and keyboard.

You should try hpet, tickless timer, because IRQ handling will become
better:

$ sudo chgrp audio /dev/hpet
$ sudo chmod g+rw /dev/hpet
$ sudo modprobe snd-hrtimer
$ jackd --help
  [ --clocksource OR -c [ c(ycle) | h(pet) | s(ystem) ] 

- Ralf


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1. i686 vs i386 - 2. PAE compatible machines

[Ralf]

Hi :)

the machine I use is a
Model:
15.107.2 "AMD Athlon(tm) X2 Dual Core Processor BE-2350"
Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,rdtscp,lm,3dnowext,3dnow,extd_apicid,pni,cx16,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,3dnowprefetch

For some reasons I decided to install 32-bit. The Edubuntu Studio
Maverick should be optimized to my machine, but excepted of audio apps,
it also should run on older machines if possible. Usually my Linux
installs are at 64-bit architecture, so I've got a lack of knowledge
about 32-bit issues.

Until now Google and --help don't show me how to compile Qtractor or any
other app for i686 architecture instead of i386.

My self-build RT kernels include i386 in their names too, while the
generic Ubuntu kernel package for the 32-bit install says that it's for
x86/x86_64.
OTOH, I build 2.6.33.7.2-rt30 with CONFIG_M686=y and 2.6.33.9-rt31 with
CONFIG_MK8=y.

Note that for the packages there e.g. is Ardour and Ardour-i686
available by the Maverick 32-bit repositories.

Do PAE kernels not run on all 32-bit machines, resp. are there many
machines older but an Intel Pentium Pro out there?

I kept the generic package without PAE, build 2.6.33.7.2-rt30 with
CONFIG_HIGHMEM4G=y and 2.6.33.9-rt31 with CONFIG_HIGHMEM64G=y, to get
access to the whole 4GB memory, instead of just 3 GB + 256 MB on my
machine, but didn't name the kernel PAE.

Any information about compatibility and how to crosscompile, resp.
compile optimized to my machine, are welcome.

Best,

Ralf 


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Re: Wireless connection.

[Ralf Mardorf]

On Wed, 2011-04-27 at 11:44 +1000, Dave The Happy Singer wrote:
> I find it easier to install vanilla Ubuntu, then the Ubuntu Studio
> metapackages over the top.

+1

I installed a Ubuntu Studio that is a PITA.
I installed Edubuntu, then the needed Ubuntu Studio packages and it is
working like a charm ... not by default, regarding to some well known X
issues and a missing RT-kernel.

Anyway, I still have some issues.

- Most of the times I manually need to run 'pon dsl-provoider' after
  startup
- The mouse-wheel almost never works
- S/PDIF doesn't work
- even turning off pulseaudio completely kept some issues
- The kernels default frequency scaling does automatically change from
  'performance' to 'ondemand' after a session was started. A no go,
  because for a lot of audio apps this will cause xruns, even without
  CPU load + without much use of the memory.

I'm not fine with obsolet audio apps for a Studio distro, e.g. the
oldish envy24 control instead of mudita.

On Tue, 2011-04-26 at 18:27 +0100, Anthony Hall wrote: 
> It has to be said.. Ubuntu Studio is by far and away the best
> operating system Ive ever used. [snip]
>  
> Im actually installing it right now on whats going to be my new Home
> Theatre PC.

That's the problem with Ubuntu Studio for me. It might be a very good
consumer OS for a Theatre PC, but it needs a lot of tweaking to become a
OS for productions. Of course, I'm talking about at least about
sophisticated home recording, where zero jitter and proper sync etc. is
needed.

Missing WLAN = missing additional electric smog definitively isn't an
issue for a studio distro, because such stuff IMO has no business in an
av studio.

2 Cents,

Ralf


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[OT regarding to music, but a toppic for Ubuntu] ID card app for German ID cards

[Ralf]

Hi :)

a little bit OT, but IMO very important.

For Ubuntu there should be the German, so called 'AusweisApp' (ID card
app) available at http://www.ausweis-app.com/download/ ,but I can't see
a link for the download.

I also wonder, if it's safe to use this app. I don't trust my government
and IIUC, there's just the executable and not a source code available.

Does anybody see a Link there or at any other side for Linux?
What do you think about the security, regarding to a spying government?

Best,

Ralf


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Re: Making Music with FOSS + OT: Ardour might be able to be a host for MacOS plugins, e.g. a Vocoder

[Ralf]

Oops, this effect they use for synth, not for vocals, don't get me
wrong:

"What I do like is this portamento-pitch-bend-effect they do use for
every song in the charts (seldom the way they use it), perhaps auto-tune
too?"

I anyway would use it different.

And, Ardour for Linux seems not to be able to be a OsX plugin host.


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Re: Making Music with FOSS

[Ralf]

On Mon, 2011-04-25 at 23:14 +0200, Hartmut Noack wrote:
> *Every* given website should use formats available to eveybody on any 
> computer for stuff as simple as audio/video.
> It is extra-crude of course, if somebody talks about free software and 
> tries to do so using formats that are not natively available on a Linux-PC.

IMO codecs should be lossless too, so FLAC might be ok, OTOH the
internet isn't fast all the times ;).

What you and I guess has less to do with consumption.
It's a business to sell PCs + accessories.

Hm? Video codecs for the C64? Atari ST?

There's business and if the Internet can be used with Windows and Apple
it's ok for this capitalistic planet.

The target group of this webcast might not have FLOSS codecs ;).

> Please Ralf, could you elborate on that? You cannot use Ardour as an 
> "Apple plugin host on Linux" and there is no such thing. Ardour 
> *compiled for MacOSX* can host Audio Unit plugins - as it runs under MacOSX.

I didn't know this, I just read the article's paragraph about Ardour and
I wondered about this AND I don't agree with Ruth.

> 
> > not a full version of Ardour for Linux?
> 
> Everybody who wants to know, knows, that Ardour for Linux is free as in 
> beer also as it is available as a native package for most distros.
> 
> There is a special offering from ardour.org for users of MacOSX, that do 
> not want to take the complicated task of compiling Ardour on the Mac 
> from source. It is a ready-to-run binary for MacOSX. If you want this, 
> you need to make a donation (that is 1:1 in compliance with the GPL, we 
> talk about a fee for a special comfort/service in the distribution of a 
> software, not about any proprietary licensing).
> Whoever wants ardour without payment for MacOSX, can still download a 
> binary. This one will deliberately fail to save settings for AU-plugins.
> 
> And everybody on the Mac who wants everything whithout spending any 
> money is still welcome to download and compile the source-codes, that 
> are of course available for everybody without any registration, pop-ups 
> or anything:
> 
> svn co http://subversion.ardour.org/svn/ardour2/branches/2.0-ongoing
> 
> 
> >
> > Perhaps it's not about Linux, FLOSS is for Windows and Mac too and if
> > this kind of open source community is using MacOs and Windows, beside
> > e.g. RedHat Linux and .arf should be a common format there, why
> > shouldn't they use it?
> 
> Because, if I want to distribute something, accessability for as many 
> users as possible is priority No1.

Yes, and Linux users are a minority.
Microsoft and Apple are used by the masses + 100 of illegal installed
application they never ever do need.

I do agree with you, but I also do understand that people don't care
about Linux users who won't install proprietary stuff.

> > Regarding to this, I'm just pissed about the
> > 'everything is better using FLOSS, but proprietary stuff' attitude, by
> > people who don't use FLOSS stuff only. Private I do use FLOSS only,
> > excepted of the graphics driver and similar, but for making music FLOSS
> > is far away of being just nearly as good as proprietary software,
> > regarding to technical issues
> 
> It depends on what you want to do with it. Everything, that works the 
> way you want for the things you want to do, is perfect. ProTools can do 
> many things, you cannot do in Ardour but if you do not need these 
> things, this is irrelevant.

This is what I mean with the difference between consumers and producers.
You also must be able to work quick and to be able to restore a
production without any issue.

...


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Re: Making Music with FOSS + OT: Ardour might be able to be a host for MacOS plugins, e.g. a Vocoder

[Ralf]

Hi Hartmut :)

I guess it's a faux pas to write about FLOSS with the opinion that an
app isn't a full version, without supporting proprietary plugins. And of
cause it's a faux pas to use a seldom used codec/container for the
web-cast about FLOSS.

But regarding to a main target group that isn't using FLOSS, a common
proprietary codec seems to be wise.

To produce music, it also can't harm to provide all plugin formats for
Linux hosts, assumed they are really stable on Linux too, because
there's too much missing for Linux.

Now I'm 44 years old and don't like auto-tune, but I guess the kids do
need auto-tune since there is not one song in the charts not using it.
What I do like is this portamento-pitch-bend-effect they do use for
every song in the charts (seldom the way they use it), perhaps auto-tune
too? Or one of those modern virtual synth? If we need an arp arpeggiator
(step-sequencer) or a chorus singing our lyrics, a real orchestra etc.
we can't use Linux plugins or virtual Linux stand-alone synth.

I'm using Linux only, but I'm really missing those plugins, especially
because it's hard to use external MIDI equipment, regarding to the
jitter issue. I'm also not fine with recording vocals and guitars,
regarding to sound quality issues and latency that can't be compensated
properly, when using my favourite Linux sequencer.

So, yes, I do agree that this article and the codec issue are a faux
pas, but I also do understand that people wish to have proprietary
extensions when using FLOSS.

On Mon, 2011-04-25 at 22:41 +0200, Hartmut Noack wrote:
> Am 25.04.2011 11:40, schrieb Ralf:
> > Oops, I guess I blamed the RedHat guy, but it's a woman from RedHad
> > writing about
> > 'Ardour - proprietary_plugins = not_a_full_version_of_Ardour'.
> >
> Sorry, I cannot find the original article -- do you have a link to it by 
> any chance :-)

https://lists.ubuntu.com/archives/ubuntu-studio-users/2011-April/007529.html -->
Web-cast:
http://opensource.com/business/11/4/today-making-music-foss-webcast-2-pm-est
-->

Recap: Making music with FOSS webcast with Adam Drew
Posted 20 Apr 2011 by Ruth Suehle (Red Hat)
[snip]
JACK
[snip]
Hydrogen
[snip]
Rakarrack
[snip]
ZynAddSubFX
[snip]
Ardour
[snip]
Ardour is free software released under the GPL, but it's not entirely
free-as-in-beer. For the full version (which adds the ability to load or
save AU plugin settings), you're asked to donate any amount you feel is
appropriate. (The default recommendation on the donation page is $45.)

Getting help

These are just five of the hundreds of audio packages you have to choose
from for nearly any music project you could imagine.

Adam recommends two really helpful and active online communities with
IRC channels on the Freenode network: #opensourcemusicians (which has a
podshow about open source audio) and #ubuntustudio, which has a very
active mailing list and is growing. His nick is holstein--feel free to
say hello.
[snip]

(https://opensource.com/users/suehle she's of cause a good looking rock
star. I didn't read the whole article ;)

OT:

This reminds me to cross-post this email, because, IIRC, somebody wishes
to use a Mac Vocoder, because there are no good Linux Vocoders for his
needs (he tried not to do 'vocal classics', that can be easily done by
using the VocProc LV2, but to manipulate music completely, which only is
possible with Windows VSTs and MacOS plugins, btw. regular vocoders on
Linux aren't ok here, I'm using VocProc for vocals and it's working like
a charm for this usage, but indeed, there's no real modern vocoder for
Linux. Windows VSTs on Linux, well, people might be sensitive for
jitter, latency etc. or they are comfortable with using Wineasio and
complete loss of musical timing and sync. This depends to the kind of
musician using Linux + Wineasio ;).

And by the way, Qtractor and other apps should start to switch to JACK
MIDI, since JACK2 from svn seems to be nearly without jitter, when using
the new ALSArawMIDIbridge to control external equipment. I just run the
latency test and didn't test real instruments until now.

Best,

Ralf


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Re: Making Music with FOSS

[Ralf]

On Mon, 2011-04-25 at 10:08 +0100, Angel de Vicente wrote:
> wrong Network Recording Player version. With version 2.23 it is just fine.

For people (not me), who wish to watch .arf files too, did you get this
version by the link at http://www.webex.com/play-webex-recording.html ?

Oops, I guess I blamed the RedHat guy, but it's a woman from RedHad
writing about
'Ardour - proprietary_plugins = not_a_full_version_of_Ardour'.



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Re: Making Music with FOSS

[Ralf]

On Mon, 2011-04-25 at 09:50 +0100, Angel de Vicente wrote:
> Hi,
> 
> On 23/04/11 21:16, Seattle Chaz wrote:
> > Last week, opensource.com hosted a web-cast, Making Music with FOSS. I
> > missed it, but I was confident that the media would be archived, which
> > is indeed the case. However, the media file is in the proprietary .arf
> > format from WebEx. Though I searched extensively, I was unable to locate
> > a method for converting the file to a more usable form.
> >
> > Of course, I COULD just view the materials on-line, but where's the fun
> > in that? The download-able media player supports only Windows and Mac. I
> > was about to hold my nose and install the player when I was inspired to
> > attempt a Wine installation. I downloaded the WebEx .arf Player, set the
> > executable permission on the .msi file and booted it under Wine. Wine
> > happily took it and installed it and the downloaded media played without
> > a hiccup.
> >
> > Web-cast:
> > http://opensource.com/business/11/4/today-making-music-foss-webcast-2-pm-est
> >
> > Webcast Playback:
> > https://jboss.webex.com/ec0605lc/eventcenter/recording/recordAction.do?theAction=poprecord&actname=%2Feventcenter%2Fframe%2Fg.do&apiname=lsr.php&renewticket=0&renewticket=0&actappname=ec0605lc&entappname=url0107lc&needFilter=false&&isurlact=true&entactname=%2FnbrRecordingURL.do&rID=38196012&rKey=c2223d52c482e824&recordID=38196012&rnd=8047439081&siteurl=jboss&SP=EC&AT=pb&format=short
> > <https://jboss.webex.com/ec0605lc/eventcenter/recording/recordAction.do?theAction=poprecord&actname=%2Feventcenter%2Fframe%2Fg.do&apiname=lsr.php&renewticket=0&renewticket=0&actappname=ec0605lc&entappname=url0107lc&needFilter=false&&isurlact=true&entactname=%2FnbrRecordingURL.do&rID=38196012&rKey=c2223d52c482e824&recordID=38196012&rnd=8047439081&siteurl=jboss&SP=EC&AT=pb&format=short>
> >
> > WebEx Player: http://www.webex.com/play-webex-recording.html
> 
> I tried this, but no luck. The WebEx .arf Player got installed correctly 
> under Wine, and it says "Network Recording Player Version 2.17.1", but 
> when I try to open the file Making Music with FOSS.arf, it complains 
> with "Unknown file format. You may update your Network Recording Player 
> and try again." Anyone else got that? (I'm running Ubuntu 10.04 and Wine 
> 1.2.2).
> 
> Cheers,
> Ángel de Vicente

Hi Angel :)

are you sure that this Windows Media Player does provide all codecs and
container formats itself? Perhaps it expect that Windows provides some
proprietary codecs and container formats, that can't be provided by
Wine. I guess you need to add some codecs and/or container libraries to
Wine.

Just 2 cents: I wonder that an open source platform is using a
proprietary format. And I wonder about the sentences "Ardour is free
software released under the GPL, but it's not entirely free-as-in-beer.
For the full version (which adds the ability to load or save AU plugin
settings), you're asked to donate any amount you feel is appropriate.
(The default recommendation on the donation page is $45.)" AU plugins
are a proprietary format too, hence this guy from RedHat is making music
with a combination of FLOSS and proprietary stuff ;)? He can't share
what he's doing with people who don't use this kind of proprietary
thingy :D.

/)/)
  =(';')=
..(").(")... Happy Easter!

Ralf


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Re: Where's the vanilla kernel source 2.6.33.9?

[Ralf]

On Mon, 2011-04-18 at 16:22 +0200, Ralf wrote:
> There's a new real-time patch
> http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.33.9-rt31.bz2
> but I can't find a source for the vanilla kernel 2.6.33.9, resp.
> 2.6.33.9 patch at http://www.kernel.org/pub/linux/kernel/
> 
> Any valid link?
> 
> - Ralf

Perhaps
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc8-git9.bz2 
?
I won't try to patch this now. Any hints are still welcome

- Ralf



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Where's the vanilla kernel source 2.6.33.9?

[Ralf]

There's a new real-time patch
http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.33.9-rt31.bz2
but I can't find a source for the vanilla kernel 2.6.33.9, resp.
2.6.33.9 patch at http://www.kernel.org/pub/linux/kernel/

Any valid link?

- Ralf


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Maverick and Delta 1010lt

[Ralf]

On Tue, 2011-04-12 at 14:33 -0400, Brian Blater wrote:
> Is mute on when the button is
> "pushed in" or when the button is "out"?

Alternatively you could test if your issues are regarding to the version
of envy24control. I don't think so, but it can't harm to get
envy24control 1.0.

svn checkout http://mudita24.googlecode.com/svn/trunk/mudita24 mudita24
cd mudita24
./configure
sudo checkinstall
For Maverick 32-bit e.g.
0 -  Maintainer: [ root@edubuntu ]
1 -  Summary: [ http://code.google.com/p/mudita24/ ]
2 -  Name:[ mudita24 ]
3 -  Version: [ 1.0 ]
4 -  Release: [ 3-svn6 ]
5 -  License: [ GPL ]
6 -  Group:   [ checkinstall ]
7 -  Architecture: [ i386 ]
8 -  Source location: [ mudita24 ]
9 -  Alternate source location: [  ]
10 - Requires: [  ]
11 - Provides: [ mudita24 ]
12 - Conflicts: [  ]
13 - Replaces: [  ]
sudo rm backup*mudita24.tgz
sudo make clean

run

/usr/local/bin/envy24control

or

envy24control

for the new version
run

/usr/bin/envy24control

for the obsolet default version

To build Mudita24 I only needed to install libgtk2.0-dev + dependencies,
you might need to install additional packages.


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Re: Maverick and Delta 1010lt

[Ralf]

On Tue, 2011-04-12 at 14:33 -0400, Brian Blater wrote:
> Is mute on when the button is
> "pushed in" or when the button is "out"?

If L/R Gang is shadowed, it's enabled, I guess for Mute it's the same.

Here Monitor inputs and Monitor PCMs don't have any impact, I'm using my
card without monitors.



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PS: [Solved] Elegantly Disabling PulseAudio in Ubuntu 10.04/10.10

[Ralf]

'Set everything from PulseAudio to ALSA.'

Only the audio tab is important when using gstreamer-properties.

I set from autodetect and custom to ALSA and kept default for the
devices.


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[Solved] Elegantly Disabling PulseAudio in Ubuntu 10.04/10.10

[Ralf]

Hi :)

some days ago there was no sound for YouTube when using Firefox.

I wrote and run the attached shell script on my Edubuntu Maverick.
I did ignore the the information given by the browser, just quit it and
rebooted.

Now there's sound for YouTube when using Firefox.

Download the shell script and in a terminal emulation cd to the download
path, then run

$ sh pa-off.sh

Hth others too,

Ralf

PS:
- The volume icon in the GNOME panel disappeared.
- An audio/MIDI session using jackd is ok.
- If jackd is running there's no sound for YouTube.
- When jackd is killed there's sound for YouTube again.
- /usr/share/alsa/cards/ICE1712.conf still is set to
[snip]


ICE1712.pcm.front.0 {
@args [ CARD ]
@args.CARD {
type string
}
type route
ttable.0.0 1
ttable.1.1 1
slave.pcm {
type hw
card $CARD
}
 fix PA issue 
slave.format S32_LE
slave.channels 10
##
}
[snip]


pa-off.sh
Description: application/shellscript
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Elegantly Disabling PulseAudio in Ubuntu 10.04/10.10

[Ralf]

It's not tested by myself and I'm not sure if I'll test it today, I even
didn't read the whole text.

http://www.jeffsplace.net/node/12


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FW: [OT] Re: rt kernel

[Ralf Mardorf]

-Original Message-
From: Ralf Mardorf
Sent: Tue 4/12/2011 08:11
To: Stefan Schumann
Subject: Re: [OT] Re: rt kernel
 
On Mon, 2011-04-11 at 22:47 -0700, Stefan Schumann wrote:
> 
> 
> 
> - Ursprüngliche Message -
> > Von:Ralf 
> > An:Stefan Schumann ; Ubuntu Studio Users Help and 
> > Discussion 
> > Cc:
> > Gesendet:14:30 Montag, 11.April 2011 
> > Betreff:Re: [OT] Re: rt kernel
> > 
> > On Mon, 2011-04-11 at 02:56 -0700, Stefan Schumann wrote:
> > > 
> > > Hello,
> > > 
> > > does anyone have any experience with boxes like "MIDI TIMEPIECE"?
> > > http://www.motu.com/products/midi/mtpav_usb
> > > http://www.tweakheadz.com/sync_mmc_mtc_smpte.htm
> > > 
> > > I am wondering if that could help in the quest for sync in a Linux 
> > environment.
> > > 
> > > 
> > > Cheers,
> > > Stefan :)
> > 
> > Yesno?!
> > 
> > Should the Linux Computer be master or slave?
> > 
> Slave
> 
> 
> > For example SMPTE only
> > - as slave librubberband hardly will be able to enable sync by SMPTE ;),
> > even if you prefer transients ;).

How did they sync analog VTR by SMPTE?
I guess they have motors with a sync option and there are no audible
changes for the pitch.

I wonder if a time stretching tool is needed to sync a DAW as slave by
SMPTE, but it's said that this should be needed, FOR AUDIO, not for
MIDI.
If so, librubberband isn't able to do the job.
I guess the only option is to run the DAW as SMPTE master, IMO no big
deal, because the computer usually is the editing tool.
For a home recording studio this might be an issue, because e.g. analog
home tape recorders or consumer video recorders etc. can't be sync.

OTOH, for SMPTE and MIDI only the computer should be able to be slave,
because there's no time stretching tool needed. I used the C64 with a
click sync and the Atari ST with SMPTE as slave to sync to a 4-track
recorder. Note that a C64 and Atari ST is hard real-time capable,
there's quasi no jitter. Linux, MacOS and Windows don't do hard
real-time, resp. it's hard to set those machines to hard real-time
capabilities.

- Ralf


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Re: Maverick and Delta 1010lt

[Ralf]

On Mon, 2011-04-11 at 08:36 -0400, Brian Blater wrote:
> nv
> nvidia - FLOSS
> nvidia - proprietary

nvidia  - proprietary 3D
nv  - FLOSS no 3D

And I'm not sure what exactly nouveau is. A collection of free nvidia
drivers?

nouveau - FLOSS

> Am I correct in saying that by default the FLOSS drivers will be
> installed? How would I remove the FLOSS drivers and go back to the NV
> drivers if I want to install your -lowlatency kernel? Will the NV
> drivers support the GeForce 8600GTS card?

I guess nouveau is default, when there's no xorg.conf in /etc/X11, but
maybe it's just vga.

> Yup, that is the one fix I installed first.

Any other trial too?

> Yes, I've used a combination of envy24control and alsamixer. I would
> imagine that since I've got sound from Jack etc that I've got the
> correct channels un-muted and volumes up (but it wasn't easy
> understanding what was muted etc.)

Dunno if it's ok today, but in the past ALSA mixer didn't work with
Envy24 cards, there always were some issues. Try Envy24 Control only.

> I'm thinking what I may do first is reinstall a clean 10.10 system and
> get the NV driver working. Then install the -lowlatency kernel from
> your PPA. Then get the 1010lt working with the onboard card disabled.

$ ls /etc/X11

Is there already a xorg.conf?

Editing one can be very tricky, especially for tube monitors, but I (we)
can help you.

To avoid doing a complete reinstall all the times, backup your install.

As root, from another Linux (e.g. from a live CD) run

cd /path/to/root_directory_you_will_backup
tar czf /path/to/target_directory/backup_file_name.tar.gz *

Note that globbing will not copy hidden files (file names that start
with a . are ignored) that usually aren't in the root directory. Hidden
files inside folders are copied to the archive.


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Re: [OT] Re: rt kernel

[Ralf]

On Mon, 2011-04-11 at 02:56 -0700, Stefan Schumann wrote:
> 
> Hello,
> 
> does anyone have any experience with boxes like "MIDI TIMEPIECE"?
> http://www.motu.com/products/midi/mtpav_usb
> http://www.tweakheadz.com/sync_mmc_mtc_smpte.htm
> 
> I am wondering if that could help in the quest for sync in a Linux 
> environment.
> 
> 
> Cheers,
> Stefan :)

Yesno?!

Should the Linux Computer be master or slave?

For example SMPTE only
- as slave librubberband hardly will be able to enable sync by SMPTE ;),
even if you prefer transients ;).
- as master Linux only need to be free from jitter for SMPTE ;).

For example USB MIDI only
- is there jitter regarding to the hardware and or software protocol of
1ms for USB 2.0 in general? Are such short negative or positive delays
audible?

Record a MIDI kick, snare and hi hat of an external sound device at the
same time on an audio track, do it again and play both tracks in unison.

Is there a shift from phasing to an early reflection like effect?

Record the MIDI kick, snare, hi hat from an external device one after
the other (not at the same time) and play them in unison. Is the rhythm
still grooving?

I'm short in time now and I've already written to much mails for today,
so I'll end it here.

I don't know? It depends on too many factors. Some kind of sync is
impossible, but seldom needed. Some kind of sync could be possible, this
depends on jitter and aspiration.



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Howtos and workarounds - 1

[Ralf]

Hi Community :)

before something can be written, I need to know, if Ubuntu, Kubuntu,
Edubuntu are equal.

-
CPU Frequency Scaling Monitor
-

IMO Ubuntu Studio should set up CPU frequency scaling to "performance"
by default. Consumption of modern CPUs will decrease just insignificant
when set to "ondemand", but this could cause glitches for the audio
signal.
At least the user should know how to add the CPU Frequency Scaling
Monitor to the GNOME panel and how to set the governor.

For my Edubuntu Maverick 32-bit there's an entry for PolicyKit by
default:

/var/lib/polkit-1/localauthority/10-vendor.d/com.ubuntu.desktop.pkla

Is there a script or SUIID set, to enable selection of the frequency
scaling for the user by default for Ubuntu Studio too?



Restoring JACK audio, MIDI and ALSA MIDI connections


There are some oddities for newbies, when restoring JACK audio
connections.

- Names/aliases might change regarding to an added PID
- There's the same name/alias for two different client ports
- Unwanted auto-connections and connections that aren't correctly
  restored by apps like QjackCtl or Qtractor 

I could explain how to handle this in combination with very simple
scripts to restore sessions.

I guess another "getting started with [application]" isn't needed.

IMO session handling is the most important stuff.

Has anybody experiences with LADI(SH) and Co.? JACK session? Patchage?

IMO this is already ok: https://help.ubuntu.com/community/UbuntuStudio

Cheers,

Ralf


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Will Ubuntu Studio official relase Natty on 2011-Apr-28?

[Ralf Mardorf]

Sorry, last Email, time to get quiet for a while.

> Switching to Natty might be ok, but a test candidate perhaps won't make
> it easier. Sometimes we need to bark, that's ok, but we shouldn't bite

oneself in the foot ;).

Am I mistaken? Is Natty already a stable release candidate or at least a
relative stable test candidate?


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Re: Maverick and Delta 1010lt

[Ralf Mardorf]

On Mon, 2011-04-11 at 06:31 +0200, ailo wrote:

> I believe this might be a little over the top for new users. Just saying..

Oops, yes, I need to explain what exactly to do. But perhaps it's more
important to remove outdated information and dead links from the web.

When did you ever update LILO :D?
http://lowlatency.linuxaudio.org/

In 2003/2004 when I started LILO already was obsolet.

Some dead links can be found here:
http://wiki.linuxaudio.org/wiki/real_time_info


This article may require cleanup to meet Wikipedia's quality standards.
Please improve this article if you can. The talk page may contain
suggestions. (December 2008)
http://en.wikipedia.org/wiki/List_of_Linux_audio_software

Sometimes oldish information is better than no information, but
sometimes oldish information can misdirect.

We should add information to the headlines, such as "Ubuntu 10.10
Maverick Meerkat, architecture:all, 2011-Apr"

> > I shouldn't switch the distro and you shouldn't switch to Natty.
> > 
> 
> Why is that?
> Just wondering.

Switching to Natty might be ok, but a test candidate perhaps won't make
it easier. Sometimes we need to bark, that's ok, but we shouldn't bite 

> There is serious effort being made to redeem the lack of a clean and
> comprehensive documentation for Ubuntu Studio. This work should be done
> before the release of Ubuntu Studio 11.10. Help is appreciated.
> 
> The goal of the documentation aught to be make it as simple as possible
> for the user to learn how to use the system for multimedia tasks.
> 
> If you write something up, I will be happy to help with editing, even
> though my English may not be that much better than yours.

Some basic information seems to be good documented, just little
corrections and new screenshots could be added, e.g. yesterday we only
had ALSA MIDI:

https://help.ubuntu.com/community/HowToQjackCtlConnections
http://www.64studio.com/quickstart_jack
Anyway, this information still is ok.

I'm not really interested in writing such howtos, I would like to write
how to build apps from trunk, without breaking package dependencies.

How to disable PA, how to make several sound cards one virtual sound
card etc. ... Btw. until now I never tried this two things myself.

Dampen Euphoria is better, than to promise to help more, than it's
really possible for a longer time.

The UNIX/LINUX/POSIX philosophy to have an app for each task results in
issue for restoring sessions. Writing about apps like jack_snapshot [1],
qjackctl patchbay, howto write simple shell scripts, is what I'm willing
to do. I don't think that session handlers are ok at the moment, but I'm
not sure.

- Ralf

PS: Unfortunately it's nearly impossible to make black-grey-white-lists
for hardware, but some information should be given, with information
about the date. E.g. today a minimum of 1024 MB RAM is risky, 2048 MB -
framebuffer for an integrated graphics seems to be the minimum that's
ok. USB 2.0 MIDI devices are risky. New mobos might need some years,
before the BIOS and the Linux kernel is ok, while those mobos might be
perfect for Windows from jump.

[1] http://sourceforge.net/projects/heaven/files/Audio%
20Applications/Jack%20Related/jack_snapshot/

It's available again :), dunno if it's already patched with the
additional headers.


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Re: Maverick and Delta 1010lt

[Ralf Mardorf]

On Mon, 2011-04-11 at 06:00 +0200, Ralf Mardorf wrote:

> I added S69switch_xorg.conf to switch between two xorg.conf. One for the
> generic Kernel + the proprietary driver added by the repositories and
> another for a self-build preemption real-time kernel:

I've forgotten to write that for the kernel-rt the xorg.conf is using
the FLOSS driver, because I couldn't add the proprietary driver.

On Suse 64-bit I'm using an older self-build kernel 2.6.31.6-rt19 and
manually added the proprietary driver, for Maverick 32-bit and
2.6.33.7.2-rt30 I'm unable to do the same.


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Re: Maverick and Delta 1010lt

[Ralf Mardorf]

On Sun, 2011-04-10 at 21:41 -0400, Brian Blater wrote:
> Would it be better to get the
> BIOS sound card working for system sounds and the 1010lt for Jack etc?

IMO the crappy onboard sound devices should always be disabled.


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Re: Maverick and Delta 1010lt

[Ralf Mardorf]

On Mon, 2011-04-11 at 04:26 +0200, ailo wrote:
> nvidia drivers won't work if you use a kernel that is not meant for
> Maverick. I assume you are using a kernel for another distro.
> nvidia drivers can be made to work of course. You would either need to
> build them yourself, or add them manually from a repo that matches the
> kernel (I would believe), however, I would not recommend you to do this.

/etc/rcS.d
README  S13pcmciautils  S25brltty  S37apparmor  S47lm-sensors
S55urandom  S69switch_xorg.conf  S70x11-common

I added S69switch_xorg.conf to switch between two xorg.conf. One for the
generic Kernel + the proprietary driver added by the repositories and
another for a self-build preemption real-time kernel:




#! /bin/sh
# /etc/rcS.d/Switch_xorg_conf

rm /etc/X11/xorg.conf
case $(uname -r) in
*rt*)
cp /etc/X11/xorg.conf.nv /etc/X11/xorg.conf
;;
*)
cp /etc/X11/xorg.conf.nvidia /etc/X11/xorg.conf
;;
esac




> Unfortunately there is a problem in how the ice1712 is presented to
> pulseaudio. This is why you get no desktop sound, but it should be easy
> to fix.
> To copy what Ralf wrote in another post on this list (edit the file
> /usr/share/alsa/cards/ICE1712.conf)...

I guess it doesn't work for Maverick. My Maverick seems to be very good
for audio production, but I still have to set up countless
configurations.

IMO we should get rid of PA.

> > Ok, so ranting off now.

:D

I shouldn't switch the distro and you shouldn't switch to Natty.

> Did you check out envy24control? It is a mixer for ice1712 cards. I
> recommend to use that.

I wonder that the successor isn't implemented, anyway, envy24control is
ok too.

> There will be no -lowlatency included in Natty's repos. There is one
> available here: http://launchpad.net/~abogani/+archive/ppa.
> The -generic kernel is quite good on Natty, and hopefully that will
> already be enough for many people.

Is there any information about what a maintainer needs to take care? How
to crosscompile for different architectures etc.?

---

We should rework and collect together solutions for problems. Perhaps
somebody can post this at https://wiki.ubuntu.com/UbuntuStudio 

There's no Documentation Team!

Unfortunately my English is broken and I don't have that much knowledge,
but I'm willing to write some workarounds.

Some people here with more knowledge might write howtos and link to that
howtos as replies to mails, instead of writing this just in a mails.

- Ralf


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Re: help, jackd crashing, don't know why

[Ralf Mardorf]

On Sun, 2011-04-10 at 20:26 -0400, wfdudley wrote:
> I've given up on expecting bugs to be fixed in my lifetime

I started in November 2003 by buying Suse 9.0 Student Version and a less
good Internet access. Since that time I didn't finished any audio
production in a satisfying way using Linux, but Linux audio made great
strides since that time and I needed to spend money in upgrading my
computer hardware, only because of hardware issues regarding to Linux.

I don't expect far advanced apps, e.g. Rosegarden and Ardour to fit to
my needs, but apps like Muse or Qtractor are shapeable for users with
different needs to that established apps.

Qtractor is one of my favourite apps. If there's a bug, I report it to
the qtractor devel mailing list, resp. to Rui and usually he fix it
within a hour. Rui seems to be 24/7 online.

Of course Rui programs Qtractor for a community and himself and not only
for me, so he e.g. spend his time for automation, while I don't set
great value on automation, but e.g. would like to have a different
management for saving and restoring Qtractor projects.

Anyway, we can

- learn how to program for Linux. Not really an option for me, I was a
coder for audio software on oldish computers and I'm used to program for
non-multitask in Assembler. I don't like C, especially not C on Linux, I
prefer to be a user instead of retraining myself.

- be tough and insist on pointing out issues. This is a balancing act.
I've got a bad record in the Linux community, because I didn't balance
good, OTOH, I was quieter for a while and still will be quieter and I'm
welcome most of the times, regarding to test MIDI stuff. Yes while some
people wish(ed) to ban me other won't miss me.

- win over other people to use Linux (only) too and help them to set up
their machines. So more people with your or my needs will join the Linux
community. Note that bugs are reported and good stuff isn't reported.
Note that the most bad bugs aren't reported, people simply use other
operating systems instead. The coders do not really know what users wish
to have, because the Linux audio community mainly are male nerds. 

Another issue is, that the UNIX/LINUX/POSIX religion is a golden calf
and an additional balancing act is needed to handle this. What's
important for a good multiuser system, for office and consumer needs,
doesn't make sense for audio/MIDI workstations all the times. I don't
use the toaster to clean my clothes and I don't use the washing machine
to roast bread. A sledgehammer and a screwdriver for watchmakers for a
multitool isn't a usable combination, if somebody does need both, two
separated tools are needed.

> I did nukem PA from my laptop, it won't work with Skype.  I did it by renaming
> a binary somewhere. crude but effective.

No unwanted side-effect?


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What's off topic for this list?

[Ralf]

Hi :)

would it be ok to sent a request regarding to an emacs mailer
configuration file ;)?
I guess asking about issues regarding to timidity for emacs would be ok,
but requests about mail clients etc. might be spam when searching the
mailing list archive.
OTOH subscribing to a special mailing list regarding to this issue,
isn't worth the bother for me, resp. it's not worth the bother for any
issues that have less to do with music, graphics and studio stuff like
that, because trouble for non-studio-apps most of the times can be
solved by searching the web.

Sorry and

have a nice weekend,

Ralf


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Re: help, jackd crashing, don't know why

[Ralf]

On Sun, 2011-04-10 at 13:16 +0100, mark wrote:
> On 10/04/11 10:50, Ralf wrote:
> > PA needs to be turned of by default.
> 
> +1
> 
> Mark

I never disabled PA myself, for 64 Studio 3.3, based on Ubuntu, it's
disabled by default.
Perhaps some of those howtos will work?!

Mark or anybody else, do you know how to disable PA for Maverick GNOME
sessions or how to disable it completely?

I guess I'll try one of those howtos within the next days.

http://www.google.com/linux?hl=en&q=ubuntu+disable
+pulseaudio&btnG=Search

'How do I get rid of PulseAudio?

* This has changed, since it's using autospawn. You need to disable
that by editing /etc/pulse/client.conf and changing "autospawn = yes" on
line 26 to "autospawn = no". Additionally, if this is a clean install,
not an upgrade, you'll need to add your user to the audio group with
sudo adduser USER audio replacing USER with your username.'
http://ubuntulinuxtipstricks.blogspot.com/2009/04/jaunty-faq.html


http://www.google.com/linux?hl=en&q=ubuntu+maverick+disable
+pulseaudio&btnG=Search


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