Also ı Fond the mic's datasheet.

https://www.memsensing.com/webupfile/15 ... .3-ENG.pdf

Hi, can you give more info for how to solve this problem? You've made a huge improvement. Congratulations. I have managed to remove most of the delay (which was linked to how spiffs was being established). The total time is now 167ms from call until i2S starts streaming out. The spiffs takes around ...