.asoundrc

pcm.dmixer {
    type dmix
    ipc_key 1024
    slave {
        pcm "hw:0,3"
        period_time 0
        period_size 1024
        buffer_size 8192
        #periods 128
        #rate 44100
        rate 48000
     }
     bindings {
        0 0
        1 1
     }
}

pcm.!default {
	type plug
	slave {
		pcm "dmixer"
	}
}