[mythtv-users] no sound for TV-related functions

[Shay - MythTV]

Sounds like the new Alsa switch is giving you a problem.  -ao alsa9:spdif 
became -ao alsa1x:spdif .  Switch that and you should be fine.

-Shay

At 01:39 PM 5/7/2004, you wrote:
>Hi All,
>
>I've gotten (through a lot of suffering, but a lot of learning) my MythTV
>box up-and-running.  DVD's work, the jukebox is a joy, and I can record,
>playback, and pause live television.  The only problem is that sound
>doesn't work for Live TV or recorded TV.  It's perfect with my
>digital music, cds, and dvds.
>
>Sound has been a lingering issue during this project as getting ALSA to
>work was like pulling teeth.  However, I think everything else has been
>resolved.  So here's where I stand.
>
>Hardware:  BT878 tuner card
>            Via VT8233/A/8235/8237 Audio (onboard)
>
>I have an internal cable running from the tuner's audio-out to the onboard
>AUX-IN.  I have another cable running from my DVD to the onboard CD-IN.
>As I mentioned digital and CD sound work without a hitch.
>
>I went to alsamixer and set "Line" to CAPTUR and muted it.
>I then found "Capture" and set it to CAPTUR and set its volume to 100%.
>
>I get no sound from the television.  If I unmute "Line," I get sound that
>is out-of-sync with video, so I know that the pass-thru is working
>correctly.  (As an aside, the quality is incredibly poor.)  I ran xawtv
>and ran aplay on my different dsp devices.  Here's what happened:
>/dev/dsp -  Playing raw data '/dev/dsp'....
>             underrun!!! (at least 10.985 ms long)
>             underrun!!! (at least 12.499 ms long)
>             (There was no sound.)
>/dev/dsp1 - (No output and no sound.)
>/dev/dsp2 - Playing raw data '/dev/dsp'...
>             (There was no sound.)
>
>I'm able to load the btaudio modules, but there is no change in sound.
>I've looked extensively through the mailing list archives and on google,
>and have tried many of the approaches that others have taken, but with no
>success.
>
>Any guidance would be greatly appreciated.
>
>-David
>david-AT-davidwadler.com
>
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