How to record an audio with STM32 with DFSDM pripheral:
https://calibronic.com/tinyml-stm32-audio-recording-for-speech-recognition-part-1/
https://calibronic.com/tinyml-stm32-audio-recording-for-speech-recognition-part-1/
Embedded Machine Learning
TinyML - STM32 Audio Recording For Speech Recognition - Part 1 - Embedded Machine Learning
Learn how to record audio with STM32L4 and MEMS microphones for TinyML voice applications. This tutorial covers DFSDM configuration, DMA setup, PCM conversion, and saving audio as WAV files for speech recognition projects