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https://github.com/legop3/MultiRoombaRover.git
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49 lines
1.0 KiB
Plaintext
49 lines
1.0 KiB
Plaintext
# Use the Google Voice HAT soundcard as index 0 (primary card)
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options snd_rpi_googlevoicehat_soundcard index=0
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# Define a soft volume control for the speaker (Playback)
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pcm.softvol {
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type softvol
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slave.pcm "dmix" # route through dmix for mixing
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control {
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name "Master" # name of volume control
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card 0
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}
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}
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# Shareable mic capture on the Google Voice HAT (card 0)
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pcm.micdup {
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type dsnoop
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ipc_key 2048
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slave {
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pcm "hw:0,0"
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channels 1
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rate 16000
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}
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}
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# Define a software volume (gain) for the microphone (Capture)
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pcm.micboost {
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type softvol
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slave.pcm "micdup" # route through dsnoop wrapper
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control {
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name "Micro" # name of mic gain control
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card 0
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}
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min_dB -10.0
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max_dB 50.0
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resolution 256
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}
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# Set default devices to use the above for asymmetrical playback/capture
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pcm.!default {
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type asym
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playback.pcm "plug:softvol"
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capture.pcm "plug:micboost"
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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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