All Questions
Tagged with microphone i2s
5 questions
1
vote
0
answers
117
views
Microphone volume seems to increase via PulseAudio but arecord does not see any increase
I am still trying to understand how the audio input/output stuff works over PCM on the Pi its new to me as I've never dealt with it before. All of the testing below was on the latest Raspberry Pi OS ...
1
vote
0
answers
471
views
Connecting 8 PDM microphones via SPI/I2S
I'm working on a project where I need to connect 8 PDM microphones to a Raspberry Pi. My current plan is to use a PCMD3180 to connect to either I2S or SPI input on the Raspberry Pi.
The problem is, I ...
0
votes
0
answers
461
views
I2S boot overlays configurations for RPI CM4
I am trying to install a mono or stereo I2S microphones to a Raspberry Pi CM4 Board.
I am getting some reference links for configurations but they are suggested to work on the older version of the RPI ...
3
votes
0
answers
142
views
I2S MEMS Microphone pop sound at the beginning of the recording
I am using Adafruit I2S MEMS Microphone in Raspberry Pi 4 running raspbian buster. I installed it successfully following adafruit guide. It is working well for recording using arecord.
However, every ...
1
vote
0
answers
218
views
Error in configuration for I2S microphone
I follow these directions to set up the Raspberry Pi for an Adafruit I2S microphone. The line to compile the module fails with a missing script:
$ make -C /lib/modules/$(uname -r )/build M=$(pwd) ...