.asoundrc file for dmixer

pcm.!default {
    type asym
    playback.pcm
    {
       type plug
       slave.pcm dmixer
    }
    capture.pcm
    {
       type plug
       slave.pcm card0
    }
}
ctl.!default {
    type hw
    card 0
}

pcm.card0 {
    type hw
    card 0
    device 0
}
ctl.card0 {
    type hw
    card 0
    device 0
}


pcm.card1 {
    type hw
    card 1
    device 0
}
ctl.card1 {
    type hw
    card 1
    device 0
}

pcm.dmixer {
    type dmix
    ipc_key 1024
    slave {
       pcm "hw:0,0"
       period_time 0
       period_size 1024
       buffer_size 16384
       rate 32768
    }
}