** No longer affects: null
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https://bugs.launchpad.net/bugs/25632
Title:
SPDIF won't play PCM after playing AC3
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Please file new bugs if you are experiencing similar issues. I have
closed this bug due to the extremely unlikely event the issue still
being encountered here is anything like the issue reported in 2005.
~JFo
** Changed in: linux (Ubuntu)
Status: Confirmed = Invalid
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Correction, when the SPDIF audio plays up, I do not touch my computer
but simply turn the amplifier off then back on = then sound returns
again
Is this my amplifier hardware playing up... or does Linux somehow loose
it's audio sync (for lack of a better word) with the amp???
Trying to borrow
I tried turning off and back on my pre/pro+amp ( Yamaha DSP-A1 ) that
didn't work for me nor did rebooting my computer.
Since PCM via spdif should get send at a fixed clock rate, I think the
computer side might go out of of sync since when it brakes. Just running
speaker-test -D spdif -c 2 fixes
Been battling this issue every night for the last month... the suggested
fix of 'iecset audio true' worked intermittedly - when it didn't I was
forced to create yet another install of Ubuntu Jaunty.
Discovered something VERY interesting that may save other pple some time -
curious to know other
Got this exact bug today on up-to date karmic and iecset audio on
fixed the problem. quite a big WTF!?
running kubuntu-desktop and not running pulseaudio
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** Project changed: hundredpapercuts = null
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@racerraul - genius! That iecset did the trick - thanks. Still doesn't
cure the problem though: this is a real showstopper for anyone trying to
use Ubuntu as a media box. No point using analog audioo nowadays, and if
you can't play AC3 and PCM.. well, see above - I can't help agreeing.
Perhaps we
Personally I have been waiting for a long time this bug to clear up.
Until this bug clears I can not use ubuntu. This is the one usability
factor that is a deal breaker for me. I just did an alternative text
install setting up boxee media center on an automatic login up and to no
avail alsamixer
I think that the fix (just like the bug itself) has nothing to do with
PulseAudio. I've experienced it on my Kubuntu box, and Kubuntu doesn't
even pre-install PulseAudio. As for the integration, I believe it's
integrated into the Gnome DE, which is not required to run MythTV, so
removing
So, this is fixed in karmic?
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Peter,
According to Hebert, it appears it was fixed. It seems like this bug
was something of a side effect of a larger problem of how sound was
handled in the first place. Considering Karmic is still really early in
its development, I'd still give it a while before you go trying it out
on your
@Peter Antoniac, @Phil.
Yes, it is close.
(THIS PARTICULAR BUG)
At least until further notice.
I'm using Karmic Koala, and like every development version, it crashes
often. A couple ot these crashes, occurred while I was watching movies
on VLC (SPDIF output) and the PCM sound don't close at
Hebert,
Thanks for the update; that sounds like great news!
Any idea if getting consistent SPDIF sound will *require* pulseaudio
though? My main MythTV box is the one that uses SPDIF, and pulseaudio
can occasionally result in audio sync issues with Myth. I rarely
experienced it, but I removed
@phil
I really can't tell you that for sure.
What I _can_ tell you is that PulseAudio, is even more integrated with
Karmic Koala. As you may already imagine it could translate into more
problems.
But, that is just a guess.
I have never completely removed PulseAudio. I know all the hassle we
I added this to the One Hundred Paper Cuts project. We've been
struggling with this bug for almost 4 years now! Even if it is an Alsa
bug, there has to be some sort of fix that the Ubuntu guys could
implement. Having to manually enter commands or run scripts every time
you switch audio sources
Please do not add bugs to hundredpapercuts simply because they are
longstanding. Do you really believe this is one of the top one hundred
small usability issues affecting the majority of Ubuntu users?
This bug does not affect the default Ubuntu experience of a significant
percentage of users, so
I see that you don't think it is important, which I can understand.
Perhaps not too many people are using SPDIF (I have no idea of the
number/percent).
But I do think it is a big usability bug for the people who try to use
SPDIF. It was not added just because it was longstanding; you go from
Same problem here!
This is my solution:
sudo /etc/init.d/alsa-utils stop
sudo rm /var/lib/alsa/asound.state
sudo /etc/init.d/alsa-utils start
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PS. And then turn on IE958 in alsa mixer.
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Thanks squalou!!! my spdif suddenly stopped working; no playing with switches
nor rebooting would fix it.
This command did the trick:
iecset audio true
still wondering what happened. XBMC user.
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** Changed in: linux (Ubuntu)
Assignee: Ubuntu Audio Team (ubuntu-audio) = (unassigned)
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jaunty user. I recently became a big fan of boxee former xbmc user. I've
always had trouble with audio in ubuntu. However jaunty seems alot
better. I havn't had any analog problems at all.
in boxee i just make sure that i stop any non dts aac video before starting a
dts video. then when it's not
I have audio problem withh all of my machines - asus 2007 pundit and
barebone p1-ah2, ausus 2007 nvidia business platform amd board with
Analog Devices AD1986A and also with my phenom board from gigabyte.
sometimes the atom-based netbook also makes problems. The whole sound
thing in ubuntu is too
I have the same probleme with jaunty
After playing a DTS video using vlc with A/52 over S/PDIF option enabled spdif
seams to be switched off.
But y can correct this with this command :
iecset audio true
Then you can activate your IEC958 with alsa mixer.
--
SPDIF won't
OP here. I blew the dust of this card recently and found I still have
the same problem... but I've found a fix which appears reasonably
robust.
1. run 'aplay -L' to get the name of the iec958 device (my EMU10K1 is
'pcm iec958:Live). You'll see something like this:
iec958:CARD=Live,DEV=0
OP here. I blew the dust of this card recently and found I still have
the same problem... but I've found a fix which appears reasonably
robust.
1. run 'aplay -L' to get the name of the iec958 device (my EMU10K1 is
'pcm iec958:Live). You'll see something like this:
iec958:CARD=Live,DEV=0
OP here. I blew the dust of this card recently and found I still have
the same problem... but I've found a fix which appears reasonably
robust.
1. run 'aplay -L' to get the name of the iec958 device (my EMU10K1 is
'pcm iec958:Live). You'll see something like this:
iec958:CARD=Live,DEV=0
OP here. I blew the dust of this card recently and found I still have
the same problem... but I've found a fix which appears reasonably
robust.
1. run 'aplay -L' to get the name of the iec958 device (my EMU10K1 is
'pcm iec958:Live). You'll see something like this:
iec958:CARD=Live,DEV=0
I have news also. Good news I guess.
I've been testing the latest fedora rawhide and as far as I can tell:
this bug won't be an issue on Karmic Koala.
Apparently using the latest PulseAudio 0.9.15 + Alsa 1.0.19 PCM won't
close if the system crashes or reboot.
For the sake of testing I've
racerraul: Thanks. Running iecset audio on fixed it on mine. Nice to
have sound again!
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I found out that running IECSET in a terminal window will give you the status
of your PCM data stream.
here is my results, pay close attention to the Data results...
Mode: consumer
Data: audio
Rate: 48000 Hz
Copyright: permitted
Emphasis: none
Category: PCM coder
Original: original
Clock: 1000
I use ubuntu 8.10 with xbmc and this bug is destroying everything...
going back to mediaportal on xp...
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Here we go again!
Three years and felling strong!
Another copy of Jaunty. An unfortunate crash, and No Digital Data
again on my Z-5500
I already posted this earlier last month.
The .asoundrc does not work on Jaunty Jackalope.
Is there anyone who knows how to workaround this bug on Jaunty?
To
The .asoundrc workaround really works on Intrepid ! :-).
Note: The system needs a restart for the patch to work.
Thanks Jean-Francois Lalande !
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I had the same problems as described by Anders Häggström kede.
So, with the speaker-test command I could hear sound and it was silent
for other programs.
For me, the bug was solved by restarting the pulse audio server. I was
planning to isolate the solution, because I tried several things.
Well, I have very bad news. It can a isolated case, I know, but at this.
I doubt it.
The .asoundrc doesn't seems to work anymore with the latest version of
PulseAudio on Jaunty.
pulseaudio:
Instalado: 0.9.14-0ubuntu3
Candidato: 0.9.14-0ubuntu3
Tabela de versão:
*** 0.9.14-0ubuntu3 0
** Changed in: alsa-driver (Ubuntu)
Status: New = Won't Fix
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** Tags added: spdif
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I confirm this for Jaunty.
After a crash playing AC3 audio using VLC spdif and that's really
annoying.
This bug has come a long way and it seems will be present on Jaunty too.
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I've been running Ubuntu + mythtv on the box I'm currently using for 2
years. The ONLY time this has happened to me is when playing the Region
4 (Australia) Scrubs Season 5 dvds. They seem to have a lot of errors.
This is with an nforce motherboard which uses HDA_INTEL
00:10.1 Audio device:
I confirm this for intrepid.
After playing a ac3 video using vlc spdif seams to be switched off.
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Bug confirmed in Intrepid and IEC958 Default PCM didn`t work.
I managed to bring back sound on PCM with .asoundrc workaround.
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The problem I've had was fixed in Intrepid; as far as I can tell it had
to do with a changed default behavior of ALSA (hda-intel) to set the
sound format of PCM output to float instead of integer, and this is what
caused the spdif output to remain silent.
The Intrepid version of ALSA includes a
I can confirm this annoying issue on Interpid (Mythbuntu 8.10) and
would be very glad if anyone could help me solve this.
I can play AC3 (and DTS) surround just fine on my digital output using
MPlayer, but I can not play PCM on my digital output (which I could in
the beginning until something
Now I have found part of a solution.
When I run the following commands for about 20 seconds each, I get back the PCM
signal and during the speakertest, I can hear the test sound. When I stop the
test sound the PCM signal is still left (as it should) but I can not play any
other sterio sounds
I happen to have the same problem with my Audigy 2 ZS. Started to happen
on kubuntu 8.0.4, now the same issues are in 8.10. I will try the
workarounds found here.
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OK, just to sort things... maybe the above reports concern different
issues.
My problem: I want to have PCM audio on line/headphone jacks and spdif
optical simultaneously, just the way it worked before with ubuntu and as
it works right now when I boot into windows xp.
But after playing a DVD
On intrepid. I have a lot of trouble with audio and video also.
I have 3 desktops and one notebook, all amd64 platforms.
Situation with nvidia/alc861/nforce6:
On hardy, USB mouse/keyboard combo would not work. Fuddling with xorg didn't
improve it.
Audio would work o.k. after manuall sudo
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Ubuntu Audio Team (ubuntu-audio)
Status: New = Confirmed
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Got the same prob with a ALC882.
The .asoundrc suggested by Jean-Francois gives me sound from the digital
output as well, but it is a workaround. Nasty to have something like
this lurking in there, when the audio stuff in ubuntu is confusing
enough as it is.
I'm also a bit surprised that it's
** Changed in: linux (Ubuntu)
Sourcepackagename: alsa-driver = linux
Importance: Medium = Undecided
Status: Confirmed = New
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I can also confirm this bug in Hardy Heron. FWIW, it's also an issue
in Mandriva 2008, so it's an ALSA bug not specific to Ubuntu.
It seems to be a real show-stopper with the intel8x0 driver; I have
another box with a newer Asus mobo (uses the hda_intel driver) also
running Myth, which I was
Bug confirmed on Hardy Heron...
I found a workaround for this issue: create a file .asoundrc in your
homedirectory containing:
pcm.!default {
type plug
slave {
pcm spdif
rate 48000
format S16_LE
}
}
It initiates a route for PCM into spdif plugin (I guess).
Confirmed in Gutsy with Intel 82801G (ICH7 Family) integrated sound card
(module snd_hda_intel).
I normally use GNOME with the volume applet active. PCM sound is
available on analog and optical output. After playing an AC3 stream the
PCM sound only plays on analog output, unless I explicitly
The same bug also appear in Ubuntu Gutsy (Beta 1 but others Alpha releases
should be affected as well). The good news is that the workaround posted by
Bernard van der Velden works in Gutsy :-)
I can live with that, just annoying to reboot the computer after playing an
AC-3 stream...
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** Changed in: alsa-driver (Ubuntu)
Sourcepackagename: None = alsa-driver
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I have the same problem.
I hadn't noticed that before, only if xine crashes with ac3 sound.
Before I could get PCM sound from digital out using alsactl restore.
It seems that when I tested few seconds the mixer can still produce PCM
through digital out after watching movie with AC3 sound.
I'm
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