[mythtv-users] Occasionally recorded videos have no sound?

David Watkins watkinshome at gmail.com
Tue Feb 13 18:16:33 UTC 2007

On 13/02/07, Ross Campbell <ross.campbell at gmail.com> wrote:
> On 2/12/07, Jared C. Davis <jared at cs.utexas.edu> wrote:
> > I'm using a PVR-350 and Myth 0.20 on Ubuntu Edgy.  I'm just recording
> > off the antenna.  Normally everything works fine, but sometimes a
> > whole show will record and there will be no sound when I try to play
> > it back.  It still records the video portion, but the movie file
> > itself seems to have no sound even when I play it with an external
> I rarely have had this happen as well, and I believe that for me, it's
> related to times when I'm listening to streaming audio via mythstream
> when a recording starts. Somehow, I suspect that my system and how the
> audio is configured (alsa via oss and sound being fed through the
> internal sound card?) is allowing mythstream to grab exclusive use of
> the audio card and getting in the way of sound being recorded.

That sounds more plausible, if you're capturing composite or s-video,
and the sound is coming in via your sound card.  But the OP said he
was capturing via the antenna, where surely the sound is already in
the stream and goes straight into the encoder?

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