SPM1423 support?

[mhaberler]

Hi Phil,

I am experimenting with m5stack gear which in many uses a SPM1423 mems microphone
this actually works nicely with just arduino-audio-tools - see example but I do not see the SPM1423 directly mentioned in this repo

I am considering switching to this project - do you have recommendation where to start with this chip?

eventual goal of the project is to reliably detect the noise of a hot air balloon burner
I have experimented with spectral flatness measure but have not explored ML/TFlite yet
I'd be grateful for any suggestions how to go about it

thanks for the great work, and best regards
Michael

[pschatzmann]

This project is intended for configurable codec chips. As far as I can see, the SPM1423 is just a PDM Digital MEMS Microphone!
You can find examples for this in the audio-tools documentation.

[mhaberler]

thanks! my bad.
I'll then use this only for M5Stack CoreS3 support which has a ES7210
appreciated
-m