> I then tried the lines you suggested, got the same error. in any case
> I would still want to use the front channels to output music , while
> using the rear to conduct a phone call simultaneously.
What happens if you do something like this:
pcm.ch34 {
...
bindings {
0 0
0 1
0 2
1 3
}
}
Granted this will not do what you want (you'll get audio from both
devices played through all speakers) but if that *does* work, then all
you need to do is to figure out how to create silence channels when
you're upmixing to four speakers (I think there's a "policy" command for
something like this.)
Cheers,
Adam.
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