I am thinking on how to build an spotify app that does beat detection (extract bpm of a song). For that I need to access the raw audio, the waveform, and analyze it.
I am new to building spotify apps. I know that with "libspotify" you can access raw audio. Can you do the same through the spotify apps API? And how?
For the record, currently exist two spotify apps apis:
In a word: no. That isn't currently available in the Apps API.