asound.conf

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

pcm.both {
        type route
        slave {
                pcm multi
                channels 4
        }
        ttable.0.0 1.0
        ttable.1.1 1.0
        ttable.0.2 1.0
        ttable.1.3 1.0
}

pcm.dmix_analog{
        type dmix
    ipc_key 1024
    slave {
        pcm "hw:0,0"
        period_time 0
        period_size 1024
        buffer_size 8192
        rate 48000
    }
}

pcm.dmix_hdmi_tv{
        type dmix
    ipc_key 1024
    slave {
        pcm "hw:0,7"
        period_time 0
        period_size 1024
        buffer_size 8192
        rate 48000
    }
}

pcm.multi {
        type multi

        #hdmi
        slaves.a {
                pcm "dmix_hdmi_tv"
                channels 2
        }

        #Аналог 5.1
        slaves.b {
                pcm "dmix_analog"
                channels 2#6
        }

        bindings.0.slave a
        bindings.0.channel 0
        bindings.1.slave a
        bindings.1.channel 1
        bindings.2.slave b
        bindings.2.channel 0
        bindings.3.slave b
        bindings.3.channel 1

}