asound_6mic.conf

# The IPC key of dmix or dsnoop plugin must be unique
# If 555555 or 666666 is used by other processes, use another one

# use samplerate to resample as speexdsp resample is broken
defaults.pcm.rate_converter "samplerate"

pcm.!default {
    type asym
    playback.pcm "dmixer"
    capture.pcm "ac108"
}


pcm.ac108 {
    type plug
    slave {
        rate 48000
        format S32_LE
        pcm "hw:seeed8micvoicec"
    }
}

# pcm.multiapps {
#     type plug
#     slave.pcm {
#         type dsnoop
#         slave {
#             rate 48000
#             format S32_LE
#             pcm "hw:seeed8micvoicec"
#         }
#         ipc_key 666666
#     }
# }

pcm.dmixer {
    type plug
    slave {
        pcm {
            type dmix
            ipc_key 555555
            slave {	
                pcm "hw:seeed8micvoicec"
                format S32_LE
                channels 8
            }
            bindings {
                0 0
                1 1
                2 2
                3 3
                4 4
                5 5
                6 6
                7 7
            }
        }
        channels 8
        format S32_LE
        rate 48000
    }
    ttable.0.0 1
    ttable.1.1 1
    ttable.0.2 1
    ttable.1.3 1
    ttable.0.4 1
    ttable.1.5 1
    ttable.0.6 1
    ttable.1.7 1
}

pcm.ac101 {
    type plug
    slave {
        pcm "hw:seeed8micvoicec"
        channels 8
        format S32_LE
        rate 48000
    }
    ttable.0.0 1
    ttable.1.1 1
    ttable.0.2 1
    ttable.1.3 1
    ttable.0.4 1
    ttable.1.5 1
    ttable.0.6 1
    ttable.1.7 1
}