That would help a lot. Do you have some more information about XHR. Some code or references to the esp32 IDF manual would be great.
Many thanks in advance.

Hi Gianluca,
Thanks for the code.
I want to record one audio channel, and send it to a web page. That is all I need at the moment. The web page side works.
It is the sampling that doesn't work. I have an Arduino version of the code running on the same hardware as the idf attempts.
The example i2s ...

Hi Gianluca,
Thanks for the quick response.

I'm using the stable(?) idf version 4.1. this seems to be the latest release bar the development version.
I haven't changed any of the core idf code, thinking that the examples that are included with the version would have been tested on the version they ...

Hi Guys,
This problem is doing my head in. I've been scouring the net trying to find documentation or running code. I have Arduino version of code that runs. But not esp-idf. I'm having the same problem. The documents from espressif are not the expressive and very light on specifics or working code ...