pcm.asymed { 
	type asym 
	playback.pcm "dmixs51"
	capture.pcm "hw:0,0" 
} 
pcm.dsp0 {
    type plug
    slave
    {
	pcm dmixs51
	#rate 44100
	channels 6
    }
}
ctl.dmixer {
        type hw
        card 0
}
ctl.duplicate {
	type hw
	card 0
}
ctl.dmixs40 {
	type hw
	card 0
}
ctl.dmixs51 {
        type hw
        card 0
}
pcm.dmixs51 {
    type dmix
    ipc_key 1024
    ipc_perm 0666
    slave {
		pcm hw
		rate 44100
		#rate 48000
		channels 6
		period_time 0
		period_size 1024
		buffer_time 0
		buffer_size 4096
		#buffer_size 4048
    }
	bindings {
		0 0
		1 1
		2 4
		3 5
		4 2
		5 3
	}
}
pcm.!default { 
    type plug 
    slave.pcm "asymed"
}

pcm.upmix_21to51 {
    type plug
    slave.pcm dmixs51
    slave.channels 6
    ttable {
        0.0     1       # front left
        1.1     1       # front right
        0.2     1       # rear left
        1.3     1       # rear right
        0.4     0.5     # center
        1.4     0.5     # center
        2.5     1       # subwoofer
    }
}
pcm.lowpass_21to21 {
    type ladspa
    slave.pcm upmix_21to51
    path "/usr/lib/ladspa"
    channels 3
    plugins {
        0 {
            id 1098 # Identity (Audio) (1098/identity_audio)
            policy duplicate
            input.bindings.0 "Input";
            output.bindings.0 "Output";
        }
        1 {
            id 1672 # 4 Pole Low-Pass Filter with Resonance (FCRCIA) (1672/lp4pole_fcrcia_oa)
            policy none
            input.bindings.2 "Input";
            output.bindings.2 "Output";
            input {
                controls [ 300 2 ]
            }
        }
    }
}
pcm.duplicate {
    type plug
    slave.pcm lowpass_21to21
    slave.channels 3
    ttable {
        0.0     1       # left channel
        1.1     1       # right channel
        0.2     0.5     # mix left and right ...
        1.2     0.5     # ... channel for subwoofer
    }
}