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293 views

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 ...
jonny789's user avatar
  • 211
1 vote
0 answers
549 views

Change Default Microphone

I am having trouble changing my default mic on raspbian buster lite (kernel 4.19.36 on the 3B+). I know that the mic is fully functional because when I run: arecord -D plughw:1,0 --duration=3 test.wav ...
marc.soda's user avatar
  • 111
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0 answers
3k views

USB microphone not working

I am trying to create a magic mirror with my Raspberry Pi 4 (buster) that has voice recognition so I am using a usb sound card with a 3.5 mm microphone. The problem is that I have configured my alsa ...
Dan's user avatar
  • 11
1 vote
1 answer
10k views

How to increase mic input volume?

I recently bought a usb soundcard and a 3.5mm microphone for my raspberry pi 4 to use for a python project for speech recognition where I want the pi to be able to hear to conversational volume voices ...
Dan's user avatar
  • 11