hello benno !
i ran latencytest on kernel 2.5.44-mm2 yesterday, and the audio was
totally garbled, just barely recognizable.
strangely, i could aplay somesound.wav simultaneously, and it sounded
ok. (except for dropouts here and there.)
might it be an oss problem ?
i'm stumped.
i habe never seen
On Tue, 2002-10-22 at 02:23, Paul Davis wrote:
But there are not very many pro
audio plugins under DirectX - lots of instruments and wierdo
enthusiast FX, but not the sort of stuff that ProTools, Nuendo and
Logic users are inclined towards.
Waaahh!!! I would disagree. The Waves bundles are
On Monday 21 October 2002 20:21, Patrick Shirkey wrote:
But am I just wasting my breath because the Agnula crew are going to
do all the work for us?
Oh well _now_ you come on to my pet subject.
Anyone from the Agnula project have a position on this?
A while ago I got involved in a flamespat
Hu, in fact it's the other way around: VST is a C ApI based of a very small
set of functions passing opcodes arround. It is wrapped with C++ on the
plugin side but you can writte C only VST plugins (well, I don't know of any
C only VST plugins anyway).
DirectX/DirectShow is totaly COM based and
On Tue, Oct 22, 2002 at 01:36:48 +0200, Benno Senoner wrote:
Indeed the ability to run DX and VST on Linux would be a good selling
point for pro audio on linux but there is still lot to do in the fields
of basic audio platform infrastructure and integration of the different
components.
I'm
On 21 Oct 2002, Lea Anthony wrote:
Sure, there is probably a lot more but I'm just gathering my thoughts
here. What I'm afraid of is that LAD will end up with the same problems
as most Linux distros suffer from: Bloat. Choice is good, but do I
really need 7 text editors on my system? No. What
On 10/22/2002 - 04:46:47, Richard Bown said:
On Monday 21 October 2002 20:21, Patrick Shirkey wrote:
But am I just wasting my breath because the Agnula crew are going to
do all the work for us?
Oh well _now_ you come on to my pet subject.
Anyone from the Agnula project have a position
On Tue, 22 Oct 2002, Conrad Parker wrote:
it might save you some hassles if you changed the intro to jack's web
pages, which currently read:
JACK is a low-latency audio server, written primarily for the
GNU/Linux operating system. It can connect a number of different
Steve Harris wrote:
a quick test (%s/double/float/g) shows the cpu usage doubling,
but i'm unsure what may cause this huge performance drop.
Lets just put it down to chache issues and ignore it ;)
can't ... ;) here's the output of gcc -O2 -S. this is what is
added for every coefficient in the
On Tue, Oct 22, 2002 at 03:09:52AM +0200, Tim Goetze wrote:
on average, the branched truncate costs more in this filter
than simply ignoring denormals. for this particular filter,
there doesn't seem to be a good reason to switch to floats
at least on the system i use. if i was pressed for a
On Mon, 21 Oct 2002, Paul Davis wrote:
JACK *isn't* intended for general use, and i get tired of suggestions
that it should be. there are lots of people working on solutions for
general use. JACK is intended for people who are serious about
audio.
I'd like to add that not all JACK developers
Hello Joern,
Are you using ALSA right ?
Perhaps an OSS emulation problem of ALSA ?
I recall that I got grabled sound (even lockups) on the SBLive
when using 128byte fragments (seemed like a driver or hardware problem).
What kind of audio card do you have ?
Anyway latencytest is completely outdated
On Mon, 21 Oct 2002, Ivica Bukvic wrote:
And as long as you view JACK as that, it will have a very small user
base and hence very small pool of audio apps that will support it. All
this will lead to the fact that, no matter how good JACK is (or is
supposed to be), it will be always a
Steve Harris wrote:
currently, i'm looking at what a sine wave looks like after
it's been handled by a good distortion stomp box. the way it
shapes the wave form seems easy to grasp, but as usual, i
am hesitant to implement what i don't understand fully ...
I've found that the precise shape
JACK *isn't* intended for general use, and i get tired of suggestions
that it should be. there are lots of people working on solutions for
general use. JACK is intended for people who are serious about
audio.
I'd like to add that not all JACK developers are as strict about this as
Paul ;),
But there are not very many pro
audio plugins under DirectX - lots of instruments and wierdo
enthusiast FX, but not the sort of stuff that ProTools, Nuendo and
Logic users are inclined towards.
Waaahh!!! I would disagree. The Waves bundles are seriously good and
goes for thousands of
-Original Message-
From: Joshua Haberman [mailto:joshua;haberman.com]
Paul Davis [EMAIL PROTECTED] wrote:
So why, having studied the docs, am I completely stumped
with jack? It
refuses to play. I don't consider any solution based on a
piece of software
_I_ can't operate
On Tue, 22 Oct 2002, STEFFL, ERIK (SBCSI) wrote:
except of the blocking of sounds (the problem mentioned above) I am quite
dissapointed by functionality of linux drivers I have tried, I have sb live
platinum and (last time I checked):
Maybe you should buy cards from companies that care
If I remember correctly, the guy that wrote the VQF (an mp3-like codec)
plugin for xmms
(home page here:http://www.csn.ul.ie/~mel/projects/linux/vqfplugin/ ) used
wine to run the windows version of the audio codec under linux. Reading form
his page he has now switched to a native version of
[ re: OSS ]
code. It will
soon be available only through emulation. It forces use of
the blocking
model.
actually, it doesn't. nothing would stop the implementation of an OSS
driver/client for JACK.
ALSA is very powerful and complete, but very complex. This will make
rant
it
Patrick wrote:
If you will be making money from a Linux-based product, then you
*should* be investing your own money for promotion.
I am. What's your point?
Other people (people who are not in business) need not and likely won't
invest money to promote Linux Audio.
People here invest
Eric wrote:
it is also pretty much useless for general users. I mean if I can't
listen to mp3 and browse the web at the same time ... (without sound
servers which were discussed recently and as far as I can tell the
general consensus is that they are bad and not to be used).
This is a
Hu, in fact it's the other way around: VST is a C ApI based of a very small
[ ... ]
sebastien - thanks a lot for the clarification. you are right about
VST being a C API in a fundamental sense, but i think it more than
notable that there are no C plugins, only C++ ones. i was simply wrong
Yes, sure, I'm pretty sure nobody ever made a pure C vstplugin. I'm not sure
about how Borland C Delphi users manage to make plugins though. I believe
Delphi user only use the C API but this is becoming mostly rethorical now :)
Sebastien
- Original Message -
From: Paul Davis [EMAIL
There is this annoying kind of double talk in the OSS comunity: many people
just talk about how great OSS are and how every body should start using it
and all that kind of stuff, but as soon as you ask for some professional
behaviour from the apps and from the developers the only answer one gets
On Tue, Oct 22, 2002 at 11:14:52AM +0100, Steve Harris wrote:
I can't answer this properly, but there is some issue to with mmap mode I
believe. It is a very small number of cards that dont work.
We should compile a list of them, and maybe put it in the JACK FAQ.
--PW
--
Paul Winkler
Welcome
On Tue, Oct 22, 2002 at 12:41:38PM +0100, Steve Harris wrote:
the recording seems to be of decent quality, and the iir
response irons away most of the noise anyway. but the most
important thing is i like the sound of it, which i do a lot.
i've tried about every of your impulses and, would
On Tue, 22 Oct 2002, Sebastien Metrot wrote:
There is this annoying kind of double talk in the OSS comunity: many people
just talk about how great OSS are and how every body should start using it
and all that kind of stuff, but as soon as you ask for some professional
behaviour from the apps
On Tue, Oct 22, 2002 at 09:55:07AM -0700, Paul Winkler wrote:
I recently acquired my first vintage amp -
a '63 Gibson GA-30 RVT in very good shape.
It's pretty versatile and doesn't sound quite like anything else
I've played. I'd be happy to donate some impulses, with various
mics /
From my experience with linux and audio I would say it is too early to
start widely promoting linux as a professional audio solution, in general.
It is just not there at this point.
A couple of things could be promoted, though.
Companies or individuals that want to offer commercial
On Tue, Oct 22, 2002 at 06:31:16PM +0100, Steve Harris wrote:
I've not seen the DA converter problem you mention before, that's
interesting.
What do you usually do?
I also have some very odd impulses lying around somewhere if
I can find them - made by popping balloons in and around
some
Paul Winkler wrote:
I recently acquired my first vintage amp -
a '63 Gibson GA-30 RVT in very good shape.
It's pretty versatile and doesn't sound quite like anything else
I've played. I'd be happy to donate some impulses, with various
mics / positions and amp settings, if somebody can tell me a
On Tuesday 22 Oct 2002 17:42, Paul Winkler wrote:
On Tue, Oct 22, 2002 at 11:14:52AM +0100, Steve Harris wrote:
I can't answer this properly, but there is some issue to with mmap mode I
believe. It is a very small number of cards that dont work.
We should compile a list of them, and maybe
-Original Message-
From: Kai Vehmanen [mailto:kai.vehmanen;wakkanet.fi]
On Tue, 22 Oct 2002, Conrad Parker wrote:
it might save you some hassles if you changed the intro to
jack's web
pages, which currently read:
JACK is a low-latency audio server, written primarily
Peter wrote:
On Tuesday 22 Oct 2002 17:42, Paul Winkler wrote:
On Tue, Oct 22, 2002 at 11:14:52AM +0100, Steve Harris wrote:
I can't answer this properly, but there is some issue to with mmap
mode I
believe. It is a very small number of cards that dont work.
We should compile a list of
Steve Harris wrote:
On Tue, Oct 22, 2002 at 03:00:03PM +0200, Tim Goetze wrote:
i guess (don't know much about reverb design [yet]) that in
order to get a truly 'white' reverb the number of delay lines
approaches infinity. which turns a decent implementation into
a real programming
On Tuesday 22 Oct 2002 12:55, Kai Vehmanen wrote:
[snip]
JACK is not yet finished, and it has some definite usability issues
that need to be resolved. but it is not, and i hope will never be
(primarily) a general purpose sound server.
In other words, developmenttesting help is welcome!
On Tue, Oct 22, 2002 at 08:01:35PM +0200, Tim Goetze wrote:
I also have some very odd impulses lying around somewhere if
I can find them - made by popping balloons in and around
some 20' by 5' steel tanks that were in the basement of
a converted industrial building I used to live in.
i'd
On Tue, 22 Oct 2002, Peter L Jones wrote:
When I run latencytest0.42-png from [EMAIL PROTECTED], I get about 99% sub
2ms latency. But jack still complains of xruns of about 50ms. There's
something here I'm simply failing to understand... but I don't know where to
Are you running JACK as
* Kai Vehmanen [EMAIL PROTECTED] [Oct 22 02 16:09]:
- snd-intel8x0 (nice chipset, is suitable for low-latency use)
Actually, I've had terrible results with this. It could be due to the
fact that it got pushed to a higher IRQ by my other card, however.
--ant
JACK *isn't* intended for general use, and i get tired of
suggestions that it should be.
snip
and then later...
the reason for not doing this is that there isn't manpower to do it. i
am focused on JACK as the engine for a set of apps that i want to be
able use (and i want others to be
On Tuesday 22 Oct 2002 20:27, Patrick Shirkey wrote:
Peter wrote:
All these things just make life _easier_. I want to get on with
developing code, not wondering why my hardware isn't performing. I
don't _want_ to have to learn _that_ part of the system. Because I'll
only need to do it
Ivica Bukvic wrote:
That being said, I have been at least somewhat convinced that Jack is
possibly the way to go, and after some thinking, I've decided to attempt
porting RTcmix into the Jack framework. Only time will now tell whether
this was worth it or not.
Regards,
Ico
That was the
This is a fair question. First, many people might promote OSS, but
that
doesn't mean unconditional surrender. ;) I mean, I was really quite
offended by Ivica's message where he proposed that JACK developers are
arrogant if they don't implement x and y. OSS or not, that's not very
nice
When I run latencytest0.42-png from [EMAIL PROTECTED], I get about 99% sub
2ms latency. But jack still complains of xruns of about 50ms. There's
something here I'm simply failing to understand... but I don't know where to
Are you running JACK as root with -R or with -R --asio? Do these
On Tue, 22 Oct 2002, David Gerard Matthews wrote:
That was the most useful part of this email. I've hoping that someone
would port one of the Music N languages to JACK for some
time, and I certainly do not have the skills do it myself. Thank you
Just in case you are not aware of these:
-
Then explain it this way, and do not contradict yourself by initially
saying Jack will never replace other sound daemons, and then mention
yes, i think i wrote contradictory things. i sometimes do that. my
original point was that JACK was not *intended* to replace other sound
daemons. its design,
Benno Senoner wrote:
Hello Joern,
Are you using ALSA right ?
i think so :)
Perhaps an OSS emulation problem of ALSA ?
unlikely. if i use play on the very same file i use for latencytest,
it plays ok.
afaik, play is oss, so my oss emulation seems ok.
aplay also works.
I recall that I got
On Tue, Oct 22, 2002 at 10:40:23 -0700, Paul Winkler wrote:
Everybody should have at least one good dynamic mic!
I've got a Sennheiser 421. An EV RE-20 would be even nicer.
I have an EV dynamic mic, but it is a vocal mic of some kind, and it has
seen better days, the grill thing round the
On Tue, Oct 22, 2002 at 08:01:35 +0200, Tim Goetze wrote:
to do it. How do you generate the impulse? (I've tried simply creating
a sample with 1 frame at maximum followed by zeroes, but this seems
not to make it through the D/A conversion - it comes out as dead
silence.)
maybe widening the
On Tue, Oct 22, 2002 at 11:44:42PM +0100, Steve Harris wrote:
On Tue, Oct 22, 2002 at 10:40:23 -0700, Paul Winkler wrote:
Everybody should have at least one good dynamic mic!
I've got a Sennheiser 421. An EV RE-20 would be even nicer.
I have an EV dynamic mic, but it is a vocal mic of
On Tue, Oct 22, 2002 at 09:38:26 +0200, Tim Goetze wrote:
the problem with converging IIR is that either the IIR or the
converging algorithm or both don't like impulses that are too
lively. the converger will simply fall dead when it sees an
exponentially decaying white noise impulse. it
Paul Davis wrote:
i do know what RTcmix is. i've used it. its a really cool program. its
not the sort of thing i would use for RTP. if you do, thats great, but
most of the people who are buying software for RTP are also not
looking for software like RTcmix.
LADSPA plugin out there... Yet you
On Tue, 22 Oct 2002, Ivica Bukvic wrote:
offended by Ivica's message where he proposed that JACK developers are
arrogant if they don't implement x and y. OSS or not, that's not very nice
considering how much free time we have spend on this.
And what do you think how do I feel when I
hey, stop whining. your contributions are very welcome and respected.
as to your *feature requests*, well, go ahead and implement them or find
someone who does.
i think everyone appreciates food for thought, but (at least to me) the
wording of some of the opinions in this thread was rather
On Tue, Oct 22, 2002 at 07:15:39PM -0400, David Gerard Matthews wrote:
I can certainly sympathize with that one. Supposedly there is some work
being done on supporting
USB audio devices under ALSA; that may be our best hope. (Yes, I know
USB has potentially
horrible latency. )
There have
This is the same issue as with Linux Games. Does wine hurt or help?
Well, here's my take: If Linux doesn't run the software they're used to
then they wont use it in the first place. Once there is a marketbase,
then the NEXT generation of stuff would be written natively as they
would see that it
Wishing for people to write native apps for a system with no market is
like wishing Windows would die. It might happen, but it's not bloody
likely.
steinberg committed to neundo on beos when beos had even less market
than linux does now (*). so did several other companies. one of them, iZ,
even
You're right, I need a coffee break :-). But before I do that...
i think everyone appreciates food for thought, but (at least to me)
the
wording of some of the opinions in this thread was rather suboptimal
and
might easily provoke some strong rhetoric in defense.
let's just all take a deep
Lea Anthony [EMAIL PROTECTED] writes
Wishing for people to write native apps for a system with no market is
like wishing Windows would die. It might happen, but it's not bloody
likely.
However, if you port a novel Linux application to Windows or OS X,
the users on those platforms are quite
Paul Davis wrote:
(*) of course, no public release of nuendo for beos, or (i think) even
nuendo for irix, has ever took place.
Rather unfortunate, in many ways. I love Irix, and and you would think
it wouldn't be too hard to port the Irx code
to Linux.
-dgm
(Who has been searching for a
John Lazzaro wrote:
Lea Anthony [EMAIL PROTECTED] writes
Wishing for people to write native apps for a system with no market is
like wishing Windows would die. It might happen, but it's not bloody
likely.
However, if you port a novel Linux application to Windows or OS X,
the users on those
* Ivica Bukvic [EMAIL PROTECTED] [Oct 22 02 20:16]:
I am thankful for Jack, but at the same time that does not mean there
should be no criticism. If you are referring to me criticizing Paul's
statements, then how do we dare criticize Linus Torvalds for letting OSS
happen? After all, he is the
On Tue, 22 Oct 2002, Peter L Jones wrote:
I don't want to have to learn about DSPs and stuff to be able to identify a
_good_ sound card. I've currently got a shortlist for my next machine:
* MidiMan Delta Audiophile 2496 (Envy24)
* Creative SB PCI 128 (ES1371)
I've used both of these
Btw; this a very interesting topic. Please, tell about your
experiences. By discussing these things in a public forum,
we are actually creating a nice searchable knowledgebase
for all current and future ALSA users!
On Tue, 22 Oct 2002, Anthony wrote:
- snd-intel8x0 (nice
On Tuesday 22 Oct 2002 22:07, Kai Vehmanen wrote:
Kai,
Many thanks for the reply.
On Tue, 22 Oct 2002, Peter L Jones wrote:
I don't want to have to learn about DSPs and stuff to be able to identify
a _good_ sound card. I've currently got a shortlist for my next machine:
* MidiMan Delta
On Tue, 22 Oct 2002, Peter L Jones wrote:
* MidiMan Delta Audiophile 2496 (Envy24)
* Creative SB PCI 128 (ES1371)
I've used both of these extensively with JACK and numerous other ALSA apps
and they work really well (full-duplex, low-latency use). Other
Heh. Now, one of these I have in my
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