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stm32L072cz PDM to PCM

Associate II

Hi, I have stm32l072cz and I need to connect a digital microphone and make a sound level meter. There are no questions with the connection microphone, but there was a problem with the conversion of PDM to PCM. As I understand the library AudioPDM-MW does not support this chip? how then to make the transformation? can there be some other algorithm or get just the sound level? I don't care about the sound quality, I just need the sound level.