Esp32 TTGO and sound analyzer

I moved you post to a better place.

You might want to look at this How to get the best out of this forum before you proceed any further.
We only know what you tell us, and without knowing what you have, we don't stand a chance.

In particular when posting code please post all the code because often the error is in the bits you did not post. And also we can try it for ourselves. This makes finding faults a lot simpler.