[mythtv-users] Sound in mythtv but no where else

[Jean-Yves Avenard]

If audio works in mythtv but nowhere else it's obvious it's not a muting,
hardware or whatever...

You just need to configure the OS audio settings to use the same audio card
as you've set in myth.

This is done using whatever UI the system offer, or defining a global
/etc/asound.conf and setting the default device to be whatever you've
defined in myth, without the "ALSA:" part

I would create a dmix plugin, so more than one application can use the
audio device at once.

You said HW:0,3 worked for you. So in your asound.conf or tlocal .asoundrc
you add:
pcm.!default {
   type plug
   slave.pcm "dmix:0,3"
}

That's it.
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