WKB wrote:
> Will this work with the USB on the Young DAC ?
Don't know - does the Young dac support standard USB audio class 1 or 2
drivers (so works with the native drivers in osx or linux)?
Triode's Profile: http://foru
Rbbert wrote:
> I'm having some trouble. My firmware is 7.7.2; the app appeared to
> install correctly following all the steps outlined. Under audio settings
> it is now "digital output only". Under "My Apps" it says there is
> nothing installed, but in App Gallery it says it is installed. I go c
HumanMedia wrote:
> I noticed that there is a Remove option for the app in the app menu.
> Does this completely remove all files and restore the stock kernel?
No - do this and then a stock firmware update to remove the custom
kernel - this will get you back to a standard installation.
---
JohnSwenson wrote:
>
> The only issue I have is that it's kind of painful to switch between USB
> DACs. Once you gedt it working with say DAC A, you unplug power, plug in
> DAC B then plug power back in, but now you get an indefinite spinny
> saying DAC unconnected. You have to unplug power, plu
HumanMedia wrote:
> How do I check for underrun messages?
> Do they get echoed to the SBT console?
You need to ssh into the touch and type dmseg - don't worry if you don't
know what ssh is.
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SBGK wrote:
> I have some 192 files and have downsampled them to 96 to play them with
> as wav files. Will I be able to tell the difference in sound quality if
> playing them natively at 192 ?
>
> after reading the link below I am confused about whether I would hear
> any difference and also whe
HumanMedia wrote:
>
> Edit: can't reproduce the signal lock drop
> Edit: intermittent signal drop noticed in other track which played fine
> before - not data related. Network bandwidth? Strength of output signal?
Do you see any underrun messages in the dmseg of the player? I'm
wondering if th
tank121 wrote:
> Is it better than coaxial though? Whatwould be the advantages for my
> Mdac
> If any?
Assuming you are asking about usb - async usb could be better than spdif
for a given dac, it really depends on the dac. The theory is that
having the player clock locked to the dac (which is
stereoptic wrote:
> Does a DAC need to be connected while the app is being installed? My
> only DAC is the one built into my Marantz receiver (can accept up to
> 192k).
This is only necessary for usb based dacs - I assume this is not - just
install without dac and then select "Digital Output" t
HumanMedia wrote:
> Just checking if I can install it over the top of Touch Toolbox 3.0?
> Uninstall that first?
You are best to uninstall first - I've not looked at in detail, but I
think some of the TT modification for priories will conflict with the
app if you use usb output.
--
tank121 wrote:
> I've got an Mdac connected currently via Belden based coaxial. Will this
> improve the sound? Any fellow Mdac owners running it?
>
Works for me with MDAC- if you only want 44.1/48 kHz sample rate support
then you can try it with just a usb cable (A-B). If you want 96k
support
leoduran wrote:
> OK, I'll try upgrading the server side... Right now I'm running with:
> Version: 7.5.3 - r31792
> Thanks for doing such a great job so far... I'm looking forward to a
> "clean" way of using Async USB at 24/192K.
This is an XMOS based USB class 2 dac?
-
leoduran wrote:
> I suppose you're right... Here's what I've done so far:
> 1) Went back to factory settings
> 2) As prompted, performed a "Software Update" to: 7.7.2r9663
> 3) Having done that, I do get the option for:App Gallery->3rd Party
> Apps
> 4) So, I then follow the installation procedur
leoduran wrote:
> So instead, I tried: "Settings->Advanced->App Installer"... And from
> there, deselected the "Recommended applets only" option, but I do not
> get "Enhanced Digital Output" as an option.
>
> Ummh, am I doing something wrong?
> Thanks.
Needs to be a squeezeobox touch running 7.
I've posted a new applet to the 3rd party apps list for Squeezebox
Touch. This is designed to enhance the digital output capabilities of
the device for use with external Dacs. It is based on the software
which people have helped me test on the "Async USB Dac Experiments"
thread but should now be
bobertuk wrote:
>
> What is the 'Kernel Idle Option' meant to do?
> I understand that it is intended to prevent the Touch CPU from idling
> when playing music. But why is this advantageous?
>
I'm not sure that it is yet - its something for the tweakers to tweak...
It should be off by default,
cfv wrote:
> Hi Triode,
>
> I found an old powered hub in my electronics graveyard and now the CDQ
> plays high bitrate files without pops, just to let you know. What I
> would like to know is whether there are any advantages if I go with the
> hub even though I only need 44.1
I have added the new applet to the main 3rd party list so people should
see it without needing to add the special repositories defined on the
first post here. Once there are a few more positive install responses,
I'll start a new thread to discuss the new applet without the confusion
of the test
cfv wrote:
> I bought my SBT a week ago and stumbled across it the same day. Since
> then, I've been using Kernel #1 with my 8200CDQ for flawless Redbook
> FLAC playback without a hub. If I install the new applet, will this
> option still be available? So far I don't need higher bitrates and
> th
terra27 wrote:
> Hi Triode,
>
> Thank you for all your contribution for the USB support. I tried a few
> kernels (including the most recent #6) and wanted to report my issue.
> The USB output works wonderfully with my XMOS based DAC. Unfortunately,
> it has an issue with my M
bobertuk wrote:
>
> I'm using a Lavry DA10 DAC connected via optical but have no way of
> telling if it's playing 24/192 or is being downsampled by sox. Is there
> any way of seeing what is beng played?
>
Look at the processes running on the server - for 192k playback normally
you will see a s
bobertuk wrote:
> Sorry to butt into this thread with something not directly related to
> USB DAC's...
>
> This seems to be saying that you completely bypass the Touch internal
> DAC and can send 24bit/192K data to a USB DAC. If this is so, can it be
> done for any other external DAC via optical
indypants wrote:
> Hi Triode,
> Seems to be working like a dream.
> I did a factory reset, then a firmware update, then I installed your
> applet. Everything worked just as you described.
>
Hey that's good...
>
> I notice there is a "Digital Output" option
Thanks for testing. I've just added a new applet to my usbaudio
repository - Enhanced Digital Output.
The aim of this applet is to provide a user friendly way of installing
the customer kernel and selecting the output device. I've posted here
to get a few people to test it and if positive will
Could you try kernel #6 again? I think it is working now with 192k
playback.
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Looks like I'm not doing very well with kernel #6 - please use #5 for
the moment...
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rsion
which removes the change which I think caused this.
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ok at it again :(
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___
Touch
could a couple of people test with normal and usb dacs.
[The new applet will automatically install this kernel to make it
simpler for people to install hopefully making it several less steps.
I want to make sure the kernel is ok first though.]
--
T
the fact that the Lakewest code will support more data sent
less frequently, but this then causes the buffer fill variation you see
(or at least the bar graph goes up and down a lot). Dominik seemed
happy with the hack though in terms of his code would work with it.
-
I must get back to listening
more...
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ting through, and that this might
> stop the hub from working properly (it's powered, yes?). I'm not very
> technical with this kind of thing, as you might have guessed!
Yep that's another good reason for doing it that way round. Just
wanted to reas
move some usb cable borne noise. There's been some debate on
pink fish about whether they are needed - but some people have reported
improvements.
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gh0st;698666 Wrote:
> another field report...
>
> setup:
> MDAC (latest beta firmware)
> SBT with TT3.0
> source material 16/44.1 & 24/96 flac and 320k spotify (thanks Triode,
> highly superior to the official plugin :)
>
> results:
> Kernel #1: works fine p
indypants;698597 Wrote:
>
> I used this one http://electronicsshop.dk/?id=1038
Same isolator I have and I think you our ordering the Hama hub - I can
confirm this combination is working for me. As John says, connect the
hub to the player and the isolator between it and the dac.
--
Triode;697101 Wrote:
> I've tested again, 176/192 is broken on the internal dac (wrong speed),
> but I believe works on the spdif output [which is what I was testing
> with mostly and was my real target for this]. Please constrain testing
> to the spdif output at present.
L
mission.. (even though 192k is considered harmful
:)). It will mean you need to run 7.8 builds though.
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ng speed),
but I believe works on the spdif output [which is what I was testing
with mostly and was my real target for this]. Please constrain testing
to the spdif output at present.
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roc/sound/ entry? The usb code will only play back the native sample
rates of the hardware (which is what TT does when it bypasses the plug
layer). In the case of SB internal devices they don't support 32k (or
don't look to have been configured for it), but some usb dacs may.
--
Trio
one for the sample rate in use (its the only one shown as
> running) but I wonder if that has something to do with what is
> happening.
>
There's special code in the kernel for 0404 - if you try kernel 4 it
will add a dmesg to s
osx uac 2.0 then there is a good chance it
should work with kernels 3 onwards on SB Touch. Windows does not
include uac 2 drivers, but as long as the dac works with the native
driver for linux then there is a good chance it will work (can't
promise tho
differently - my audiolab for instance alters the frequency by
100Hz or more between the go faster and go slower message. Your dac
appears do adjust on a more fine grain manner. However the bit that
matters is that it is updating.
--
Triode
s need an external
high speed hub though as the touch has some hardware limitations - can
you try to use one and see?
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ying
on the info menu for the dac?
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ste1;696725 Wrote:
> Hi Triode,
>
> I have tried this with a Musical Fidelity V-Dac 2. This is an asynch
> dac however I do not know if it is USB 1 or 2.
> http://www.musicalfidelity.com/products/V-Series/V-PSU/v-psu.asp
>
> I followed the instructions on page 1 of this
MWelschenbach;696722 Wrote:
> Triode, what exactly do you mean by reset the output device?
Go into the usb dac menu and set the output device back to default.
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, but the player can't sustain the stream. I
need to find a way to put back resampling on the server for this case.
(note 3) note by playing through the output separately, support of
sampling rates below 44.1 is removed, this may impact some i
MWelschenbach;696681 Wrote:
> Kernel #3 and applet 0.6 are playing via Eximus DP1 dac (UAC2) material
> up to 24/192.
>
> Thank you very much Triode, I am deeply grateful for this.
Hey that's great news - and good to get another test case for ua
k sample rate and
the same 192k file plays back on the internal dac. So this is a
definate possiblity at present]
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View this t
lug layer is bypassed (i.e. one
at a time).
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scheduler code
from more recent linux kernels, 2) ignoring the request from the dac
and always using a more frequent interval to poll for frequency. I
will look at next weekend and try to do 1) as it seems more general
jackocleebrown;696409 Wrote:
> lsusb -v on my laptop returns:
>
Thanks - will look at this and get back to you.
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View this t
0x1
> ALSA sound/usb/urb.c:824: cannot submit syncpipe for urb 2, error -27:
> internal error
Do you get the same with kernel 1 or 2?
--
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I don't see what it wrong there - can you narrow down
which hardware params don't work?
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gt; Subdevices: 1/1
> Subdevice #0: subdevice #0
Which kernel are you using - try with kernel 4 + the manual
modifications.
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View thi
Likely that it needs a more specific card name - can you try aplay -l
from the command line and see what it lists as the options for devices?
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SqueezeboxFab4.lua a reboot.
>
The plugin is only updating this file. Did you "sync" before "reboot"
when you updated this? (otherwise it was possibly not valid json?)
Try setting the alsaPlaybackDevice="hw:CARD=DAC" and alsaSampleSize=24
for yo
n and post here.
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___
Tou
e an email address. I will update the
binary to support S32_LE and let you have it to validate.
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Mark - could you post the dmesg for when the audio stream is started?
(I'm not sure I enabled debug on that kernel, but would be useful to
see what it records). Do you know if the dac only supports S32_LE
format over uac 2?
--
T
;1.1 portion of the touch silicon which
appears to have a limitation). Can you see the momentary frequency
changing - this would indicate async is working correctly.
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RadBadMark;695955 Wrote:
> Triode - thanks for the effort from you and John with this!
>
> I have a couple of DACs that are class 2 capable - I'll try and give it
> a test either tonight or over the weekend. Is there anything specific
> that I can feedback that would be part
you would be the first person trialing it with a high speed
device.
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he dac has a 1.1 full speed port then that will work, but I suspect
this is not the case. In summary - I'm hopeful we can make it work,
but at present with no test cases can't be sure.
--
Triode
-
MWelschenbach;695327 Wrote:
> Is someone here who tried the kernels provided by Triode with Eximus
> DP1, or with any other USB audio class 2 dac?
I don't think anyone has posted about tests using an audio class 2 dac
yet - I'm awaiting with interest. [I was also holding of
se
working first.
Please watch this space, but in the mean time - if people want to
conduct non blind tests using the bg executable included in the plugin,
that would be interesting. Interested if ./bg 1, ./bg 2, ./bg 3 give
different results for you?
we can have one install with an
option to support the no hub case at 44/48k for dacs which work with
it.
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gaunaik;695027 Wrote:
> M-DAC and Kernal *3 seems to work with 96/24 without the use of a hub.
> This has already been reported by another tester.
>
> Good news indeed or is is the MDAC being fooled into thinking this is
> the case? Music plays flawlessly.
>
> Thanks fo
(this is where any errors will be shown)
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face) and an AMR DP 777.
Did you do any of these tests using the SBT USB output (as discussed on
this thread). If so can you confirm so we can record which dacs are
working. Very interested if any of these dacs are usb audio class 2.
realmadrid;693809 Wrote:
> Hi Triode:
>
> Look at:
>
> http://www.qnktc.com/ab_11/
> Works very well on Vortexbox
>
> Regards
>
> Juan
So if you have one - could you try it on Touch with my kernel and let
me know how you get on? I'm not looking to buy
2.0 DACs to try at this point.
John - the EMU-0404 code is definately there. Could you try with
kernel #4, this is the same code but with a couple of extra printks
added in the relavent quirk section and with the
CONFIG_SND_VERBOSE_PRINTK kernel option. What's the dmesg
some debuging enabled so
we can get some dmesg output for these cases to help debug.
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View th
rks with some dacs, but if it works then I don't see any
reason for needing a hub as long as you only want to go to 48k.
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with your 16 bit dac? (Ideally
also try the new #3 kernel with the dac too so I know it supports these
dacs)
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ss 2
dacs to do something.
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__
MWelschenbach;692575 Wrote:
> Is it possible to install the new kernel over kernel #2?
Yes - just go to the Kernel Updater menu and select the new one.
--
Triode
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test, but I've included what looked to be the
relavent patches]
As with kernel #2, if you have an async usb 1 device then you will need
an external hub.
Very interested in test results.
--
Triode
Triode&
u.
Hence a 100% process which avoids getting to the low power state could
be expected to have an impact which may be positive... (or maybe not)
However I did reason it could have an impact one way or another.
Clearly in a perfect world it would have
its not a
consitent view across other cases.
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t to drum up some
interest in taking the test!
I should not have used the letters A & B in two places... When "Test
Case A" and "Test Case B" are presented they are randomly chosen from
the four options [which are labled A, B, C, D but the
arison to the two control
cases of A and D. I would say from the existing data they do not. The
inference from this would be that cpu load does not have a significant
bearing on the audio quality, but I wonder whether now you know the
test cases whether people are able to hear any di
s)
The main thing with kernel #2 and the default kernel is the need for an
external hub to may async work as the silicon inside touch appears to
have a limitation which the hub fixes.
[I would like to get the 2 changes in kernel #2 into the standard
firmware, but am awaiting feedback from logi
the TT3.0 installed, but it's also possible to do it
> with the toolbox installed?
>
Should be able to do the tests with it installed or not, though clearly
anything turning off the screen will impact the abil
ay be
possible to reboot just the app, but a better approach would be to be
able to open the audio device when a new dac is detected. This is not
possible at present.
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gt;
> Michael
Did you turn the dac off overnight too? It definately won't support
this...
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e with my
mod, but then with the test app I was not so sure... Lets see if any
more results for test 2 show any significant results.
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ower off/ power on cycle behause it won't stir after a
> couple of hours in standby mode?
I've not experienced this - was the touch still connected to the server
in this case? (Standby mode really only means a different display
screen, so it would normally look the same from the s
e time.
Maybe a test of kernel #1 without hub vs kernel #2 with hub, but if the
hub works then this is the case where the dac is working as intended.
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e kernels
available at present are unlikely to work.
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s to be a usb 2 dac - i.e. high speed. I don't think the
current kernels will support that. If it can be forced to operate as a
usb 1 dac then I suspect it will work. Otherwise it will probably need
some more kernel u
to the dac. You could try a usb
issolator to reduce this.
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ople who can detect the
difference with buffer and priority tuning as its trying to
validate/dispel a theory related to this.)
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ngs
going on within touch to some extend - you will still get the same bits
out of the output.
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TheOctavist;690553 Wrote:
>
> 0 0 0
>
No supprise for that...
>
> 0, -1, 1, 0
>
Interesting - if you repeat the test do you reenforce the score? (i.e.
if you do it a second time or select the option to run more tests do the
same ones come out as prefer
Mnyb;690419 Wrote:
> Play music of you own choice, if I understand triode here he have
> changed something in the sound system settings in the Touch what it is
> you are not suposed to know just try with whatever music you please :)
Exactly - you should play whatever music you like a
the card number problem, but it needs
jive_alsa to open the device with settings which work - else you get
the problem you have seen.
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l people's enjoyment of the test :)
Please post if you think this is useful and specifically if you can
regularly rate either of the test sets in a specific order.
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Triode&#
eople to try now.
Note - you are probably likely to need an external high speed hub which
will cost < 10 GBP. (See explination on experiment thread)
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spollock;689998 Wrote:
> Using the triode Spotify plugin, is there a way to make use of Library >
> Artists and Albums? They are all "empty".
>
> Thanks,
>
> Steve
The library feature only shows what you store to the library from the
context menus (its not t
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