https://github.com/plamere/SortYourMusic
Sang analyse: http://the.echonest.com/
tasks include:
- music processing
- tempo and pitch
- pitch correction
- reverb
- music analysis
- tempo tracking
- key detection
- audio to midi
- loudness (EBU)
- chord detection
“Automatic audio post production web service for podcasts, broadcasters, radio shows, movies, screencasts and more” https://auphonic.com/