pcm.ossmix {
    type dmix
    ipc_key 1021          # must be unique!
    slave {
        pcm "hw:0,0"
        period_time 0
        period_size 1024  # must be power of 2
        buffer_size 8192  # dito. It
        #format "S32_LE"
        #periods 128      # dito.
        rate 48000
    }

# bindings are cool. This says, that only the first
# two channels are to be used by dmix, which is enough for
# (most) oss apps and also lets multichannel chios work 
# much faster:

    bindings {
        0 0   # from 0 => to 0
        1 1   # from 1 => to 1
    }
}

# Redirect to ossmix
pcm.!default {
    type plug
    slave.pcm "ossmix"     # use our new PCM here
}

# Redirect to ossmix
pcm.dsp {
    type plug
    slave.pcm "ossmix"     # use our new PCM here
}

# mixer like above
ctl.mixer {
    type hw
    card 0
}