Project Alice confs

asound.conf

# UPDATED : seems to work but I have still some problems I think
# use samplerate to resample as speexdsp resample is bad
defaults.pcm.rate_converter "samplerate"

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

pcm.playback {
    type plug
    slave.pcm "dmixed"
}

pcm.dmixed {
    type dmix
#    slave.pcm "hw:ALSA"
    slave.pcm "hw:1"
    slave.rate 16000
    ipc_key 555555
    ipc_perm 0666 # mixing for all users
}

pcm.ac108 {
    type plug
    slave.pcm "multiapps"
}

pcm.multiapps {
    type dsnoop
    #ac108-slavepcm "hw:seeed4micvoicec"
    slave {
      pcm "hw:0,0"
#      format "S16_LE"
      rate 16000
    }
    ipc_key 666666
    ipc_perm 0666 # mixing for all users
}

snips.toml

[snips-audio-server]
mike = "ac108"
alsa_capture = "default"
alsa_playback = "default"

# 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 bad
defaults.pcm.rate_converter "samplerate"

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

pcm.playback {
    type plug
    slave.pcm "dmixed"
}

pcm.dmixed {
    type dmix
    slave.pcm "hw:ALSA"
    ipc_key 555555 
}

pcm.ac108 {
    type plug
    slave.pcm "multiapps"
}

pcm.multiapps {
    type dsnoop
    ac108-slavepcm "hw:seeed4micvoicec"
    ipc_key 666666
}

pi@projectalice:~ $ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default
playback
dmixed
ac108
multiapps
pi@projectalice:~ $ arecord -L
null
Discard all samples (playback) or generate zero samples (capture)
default
playback
dmixed
ac108
multiapps
sysdefault:CARD=seeed4micvoicec
seeed-4mic-voicecard,
Default Audio Device
dmix:CARD=seeed4micvoicec,DEV=0
seeed-4mic-voicecard,
Direct sample mixing device
dsnoop:CARD=seeed4micvoicec,DEV=0
seeed-4mic-voicecard,
Direct sample snooping device
hw:CARD=seeed4micvoicec,DEV=0
seeed-4mic-voicecard,
Direct hardware device without any conversions
plughw:CARD=seeed4micvoicec,DEV=0
seeed-4mic-voicecard,
Hardware device with all software conversions
pi@projectalice:~ $