Do you have a software library or information how to interpret the converted PCM audio data? My project goal is to detect the accoustic level inside offices. Therefore I use the mems microphone mp34dt05-a and convert the incoming PDM Data to PCM data...

I am using the mp34dt05-a mems microphone and receive the PDMdata stream. Now I want to do the signal processing as recommended in application note AN5027: "Interfacing PDM digital microphones using STM32 MCUs and MPUs". Thus after receiving the PDM ...