[mythtv-users] Myth Netvision audio not working

[Angela]

> PS - aplay was a bit odd; this command doesn't work at all:
> don at zedo:~$ aplay -D hw:1,3 /usr/share/sounds/alsa/Front_Left.wav
> 
> ...this works, but only on the second try (try command...nothing; try
> command again...works fine):
> don at zedo:~$ aplay -D plughw:1,3 /usr/share/sounds/alsa/Front_Left.wav
> 
> ...VLC didn't work until I changed it's output (start playing a clip,
select audio >
> audio device > pick the HDMI device)

I had similar problems, VDR, XBMC, Flash, etc. didn't play over HDMI.
The problem is that sometimes the /var/lib/alsa/asound.state gets "corrupt".
Using alsamixer to fix it (volume up/down, unmute/mute), does not work.

Delete the above file and reboot, or recreate it by hand (read manpage vor
alsactl).

At boot restore a working state file:
alsa-restore.conf:exec /sbin/alsactl restore -f
/var/lib/alsa/asound.state.correct

Still you should have a working /etc/asound.conf (I don't have one).