I think it might be something with updated ALSA kernel driver modules.
There have been a couple of others with mysterious "new" audio related
issues after kernel or alsa updates.

see
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1658
here is more on that ALSA report http://www.mail-archive.com/[email protected]/msg13933.html

Here are some MythTV reports
http://mythtv.org/pipermail/mythtv-users/2006-January/115637.html
http://mythtv.org/pipermail/mythtv-users/2006-January/115634.html

I think we should raise this over at ALSA.

tom

Kirk Bocek wrote:
I recently tried upgrading ivtv from 0.4.0 to 0.4.1 and the kernel from 2.6.13.2 to 2.6.14.4. In the process I somehow lost sound on live tv and while playing back recorded programs that I am sure have sound.

I still have sound through Xine and MythMusic.

I have rolled everything back to 0.4.0 and the original kernel but still don't have sound on the recordings.

I am at a loss what to do next. Does anyone have any suggestions?

Myth is installed from the ATrpms collection. Along the way I noticed that a mix of i386 and x86_64 RPMs were installed. I cleaned that up and only x86_64 versions are left. Could I have missed something there?

"Use PVR-350 TV out/MPEG decoder" *is* selected. "TV audio through PVR-350" is *not* selected. Alsamixer settings should be correct since I am getting sound out of Xine and MythMusic.

The correct msp3400.ko is being loaded.

Any ideas?

Thanks,
Kirk
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