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How to change bit depth to 16 of I2S MEMS Microphone?
I have successfully setup adafruit I2S mem microphone on my RPi3 running buster by following this guide .
It records audio well using arecord :
arecord -D 'plughw:2,0' -c1 -r 48000 -f S32_LE -t wav -V ...
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