Oliver Lupton wrote:
> try running: speaker-test -c4 -Dsurround40 -t wav
> You could also try -Dsurround41, but from your description it seems that
> as far as ALSA is concerned you system is 4.0 rather than 4.1 -- as you
> described it there's no discrete subwoofer input.
Thanks! Both of those work. I guess surround40 is the way to go.
Now, I guess I want to set this system-wide, and preferably also using
dmix. Is this a sensible thing to do, or will applications automatically
use the correct surroundXY mixer on their own?
I tried this asoundrc: (the one on the ALSA wiki with the slave pcm
changed to surround40)
-------------------------------------------------------
pcm.!default {
type plug
slave.pcm "dmixer"
}
pcm.dmixer {
type dmix
ipc_key 1024
slave {
pcm "surround40"
period_time 0
period_size 1024
buffer_size 4096
rate 44100
}
bindings {
0 0
1 1
}
}
ctl.dmixer {
type hw
card 0
}
-------------------------------------------------------
However it didn't work:
ALSA lib pcm_dmix.c:869:(snd_pcm_dmix_open) dmix plugin can be only
connected to hw plugin
Thanks,
Daniel
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