[mythtv-users] Need sound help

[Nick Rout]

On Thu, Mar 4, 2010 at 2:50 AM, Stephen Sassman <sassman1 at gmail.com> wrote:
> I am running mythbuntu 9.10 (Karmic w/ 0.22) For the last week, I have been
> unable to get my sound working. I'm not even sure what happened to make it
> stop working. I have alsa installed (1.0.22) along with alsa-tools. I
> checked all settings on alsamixer. I have tried to get sound from the analog
> and digital outs from my onboard sound card. I can hear popping sounds
> whenever I change certain settings in alsamixer, but cannot hear the audio.
> Even if I unmute the S/PDIF slider and turn volume up to 100, it still
> doesn't work. Then, when I go to play a video, the S/PDIF volume goes to
> zero and I cannot change it until the video is finished playing.
>
> My best guess is that something is holding the sound card hostage, but I'm
> not sure what since this happens even on a freshly booted system. I've tried
> installing/uninstalling pulseaudio and esound, but neither of those solved
> the problem either. I am out of ideas and ready to reinstall at this point,
> but my CD drive is broke so can't do that either. Please help! Thanks!
>
> # aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: CK804 [NVidia CK804], device 0: Intel ICH [NVidia CK804]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: CK804 [NVidia CK804], device 2: Intel ICH - IEC958 [NVidia CK804 -
> IEC958]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> # lsmod |grep snd
> snd_intel8x0           36936  1
> snd_ac97_codec        126264  1 snd_intel8x0
> ac97_bus                2240  1 snd_ac97_codec
> snd_pcm                94344  2 snd_intel8x0,snd_ac97_codec
> snd_timer              26000  1 snd_pcm
> snd                    76584  6
> snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
> soundcore               9088  1 snd
> snd_page_alloc         11088  2 snd_intel8x0,snd_pcm
>
> /etc/asound.conf  is set up as indicated here:
> www.mythtv.org/wiki/Configuring_Digital_Sound
>

Try renaming /etc/asound.conf to something else, so the system doesn't
think you have one. (or just delete it if you already have a backup).