Following my .WAV player presented in a previous page,

I obviously moved to the MP3 format because it is widely spread.

 

MP3: we can't directly access raw sound data in an mp3 format.

Unlike the .WAV format, I didn't write the library myself because it

is too complicated, or a least requires much more studies.

 

This work is based on the MP3 library written for a STM32F4 that

I adapted to my STM32F103: library can be found here