pcm.mix { type dmix ipc_key 75942365 ipc_key_add_uid true slave { pcm "hw:0" format S32_LE rate 48000 period_time 0 period_size 1024 buffer_size 4096 } } pcm_slave.default { type plug slave.pcm mix slave.format S32_LE } pcm.all { type plug slave.pcm "default" slave.channels 8 route_policy duplicate } pcm.headphones { type route slave.pcm "default" slave.channels 8 ttable.0.2 1 ttable.1.3 1 } pcm.hifi { type route slave.pcm "default" slave.channels 8 ttable.0.0 1 ttable.1.1 1 } pcm.snd_card { type hw card 0 } pcm.samplerate48k { type plug slave { pcm snd_card format S32_LE rate 48000 } } pcm.room1 { type route slave.pcm "samplerate48k" slave.channels 8 ttable.0.0 1 ttable.0.1 1 } pcm.room2 { type route slave.pcm "samplerate48k" slave.channels 8 ttable.0.2 1 ttable.1.3 1 }