This was not on my Xmas list this year, yet, Santa delivered the perfect present.
The couple of times that I attempted (and failed, repeatedly) to learn how to apply Fast Fourier Transforms was to figure something like this. And now you just get a nice API.
developer.apple.com/videos/play/...
Discover Music Understanding, a new framework that lets your app analyze audio across six dimensions, on device: key, rhythm, structure,...
