pcm.!default {
	type plug
	slave.pcm multi
}
 
pcm.multi {
	type multi
    slaves {
		b { pcm "dmixer_a" channels 2 }
		a { pcm "dmixer_b" channels 2 }
	}
	
	bindings [
		{ slave a channel 0 }
		{ slave a channel 1 }
           	{ slave b channel 0 }
        	{ slave b channel 1 }
	]
}
 
pcm.dmixer_b {
	type dmix
	ipc_key 2048
	slave {
		pcm "hw:1,0"
	}
	
	bindings {
		0 0
		1 1
	}
}

pcm.dmixer_a {
	type dmix
	ipc_key 1024
	slave {
		pcm "hw:0,3"
	}
	
	bindings {
		0 0
		1 1
	}
}