raspberry-pi-projects/raspberry.md
Marcel Dechert 28bce212d1 update md
2020-12-05 19:54:40 +01:00

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Markdown

## connect via SSH
# Useful commands
- see connected usb devices
- lsusb
- arecord -l
- test audio
- arecord --format=S16_LE --duration=5 --rate=16000 --file-type=raw out.raw
- arecord --format=S16_LE --duration=5 --rate=16000 -c1 test.wav
.asoundrc
pcm.!default {
type asym
capture.pcm "mic"
playback.pcm "speaker"
}
pcm.mic {
type plug
slave {
pcm "hw:1,0"
}
}
44200 sampling rate
5 secs
230000 array length