Hi @ESP-Kevin,

Hope you are doing good.

Did you get a chance to look into it (as per my last reply) ? Any suggestions or help that I can try on it then it will be appreciated.
Thanks in advance.

Regards,
Jaydeep Faldu

Hi @ESP-Kevin

Thanks for your response.

Actually I set delay in i2s_read() to prevent watchdog reset. But this delay can be removed and as per the requirement, it don't need to store the data on SD card or flash. That's why I am printing the data.

Meanwhile, as per your suggestions I removed ...

Hi,

Hope you are doing good. :)

I am trying to convert PDM mic output data to audible form(means in .wav file by adding wav header). Below is my setup.

Development kit : ESP32-S3-MINI-1
ESP-IDF version : 4.4.1 (stable release) and 5.0
IDF example : i2s_audio_recorder_sdcard (in IDF 4.4.1) and ...

Hi,

Hope you are doing good. :D
These conversation is very useful for me, based on this I have tried to implement LPF to remove noise from audio signal. But still I am getting noise in output with actual audio signal.

esp-idf version = stable release 4.4.1
Dev-Kit = https://github.com/W00ng ...