hello, Thank you for your open source.
board : esp32 wroom
microphone: INMP441
I complie this code to my esp32, but i find the predict output alway is 0.21 when i say Marvin.


so i try to test my microphone using your i2s_mic_test code , i think this microphone is working.

https://github.com/atomic14/esp32-i2s-mic-test/blob/main/i2s_mic_test/i2s_mic_test.ino
so how can i find where is go wrong?
hello, Thank you for your open source.
board : esp32 wroom
microphone: INMP441
I complie this code to my esp32, but i find the predict output alway is 0.21 when i say Marvin.



so i try to test my microphone using your i2s_mic_test code , i think this microphone is working.
https://github.com/atomic14/esp32-i2s-mic-test/blob/main/i2s_mic_test/i2s_mic_test.ino
so how can i find where is go wrong?