Приветствую! Вот конфиг:
$ cat /etc/asound.conf
ctl.equal {
type equal;
}
pcm.plugequal {
type equal;
slave.pcm "plug:dmix";
}
pcm.!default {
type plug;
slave.pcm plugequal;
# slave.pcm upmix51;
}
pcm.upmix51 {
type upmix
slave.pcm "surround51"
delay 15
channels 6
}