[mythtv-users] Audio - one channel doesn't play sounds

Craig Partin cpartin at gmail.com
Wed Apr 13 20:33:24 UTC 2005


On 4/13/05, Claude Boucher <bouchecl at gmail.com> wrote:
> Thanks for the advice, but the problem seems to be elsewhere.
> 
> I followed your advice and pulled a Sound Blaster Live from one of my
> other computers. I disabled the on-board audio and installed the SB in
> my Myth box (including editing the /etc/modprobe.conf for a 'emu10k1')
> but no luck.
> 
> I still get the same intermittent problem with some channels some of the
> time. It happens most of the time with channel 15, but I also got a
> video-only recording last night on channel 21 (a CBS affiliate).
> 
> We'll see what happens with 0.18...
> 
> Claude
> 
> Graham Dunn wrote :
> 
> >On Mon, Apr 11, 2005 at 10:48:19AM -0400, Claude Boucher wrote:
> >
> >
> >>I use the on-board audio of my MoBo (an Asus A7N8X-VM/400) which uses
> >>the snd-intel8x0 driver with the following configuration in
> >>/etc/modprobe.conf
> >>
> >>----- CODE -----
> >>[...]
> >>alias snd-card-0 snd-intel8x0
> >>[...]
> >>options snd-card-0 index=0
> >>install snd-intel8x0 /sbin/modprobe --ignore-install snd-intel8x0 &&
> >>/usr/sbin/alsactl restore >/dev/null 2>&1 || :
> >>remove snd-intel8x0 { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
> >>/sbin/modprobe -r --ignore-remove snd-intel8x0
> >>----- CODE -----
> >>
> >>
> >
> >I had the same problem with my onboard sound and snd-intel8x0 under
> >alsa. Only one channel would play back.
> >
> >
> >
> >>What should be my next troubleshooting steps ?
> >>
> >>
> >
> >My troubleshooting step consisted of purchasing an inexpensive sound
> >blaster. Problem solved.
> >
> >I really think there's something off with that driver on some onboard
> >sound cards.
> >
> >Graham
> >
> >
> >
> 
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> 

If the sound card is playing two channel audio then it probably isn't
an alsa issue.  Try a few different ivtv driver versions and see if it
changes, or at least play the recordings on different hardware to rule
out a cature problem.


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