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https://github.com/legop3/MultiRoombaRover.git
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49 lines
1011 B
Plaintext
49 lines
1011 B
Plaintext
# Use the Google Voice HAT soundcard as the primary device by name (card id is "sndrpigooglevoi")
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options snd_rpi_googlevoicehat_soundcard index=0
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# Mix multiple playback clients in software with a fixed low-cost format.
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pcm.dmixer {
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type dmix
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ipc_key 1024
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ipc_perm 0666
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slave {
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pcm "hw:0,0"
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format S16_LE
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rate 16000
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channels 1
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period_time 0
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period_size 1024
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buffer_size 4096
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}
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}
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# Software playback volume (adjust with: amixer -c0 sset 'SoftMaster' 70%)
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pcm.softvol {
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type softvol
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slave.pcm "dmixer"
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control {
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name "SoftMaster"
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card 0
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}
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min_dB -51.0
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max_dB 0.0
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}
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# Allow clients with mismatched sample formats/rates to use the mixer.
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pcm.playback {
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type plug
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slave.pcm "softvol"
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}
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# Defaults: playback through shared mixer + softvol, capture raw on the HAT
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pcm.!default {
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type asym
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playback.pcm "playback"
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capture.pcm "hw:0,0"
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}
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ctl.!default {
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type hw
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card 0
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}
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