I've just re-read your forum post and can see your output of 'aplay -l'.
So you have:
Internal (I guess it's internal):
hw:0,0
HDMI 0:
hw:2,3
HDMI 1:
hw:2,7
USB:
hw:3,0
USB:
hw:4,0
It would be nice if the output of aplay -l actually showed these rather
than having the know how to put them together!
I believe it's possible to specify the subdevice with another comma, if
needed.
--
Andrew.
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