a similar concept exists in audio hashing called acoustic fingerprinting [1]. i've used software like Picard [2] to de-dupe my music library based on similarity

a similar concept exists in audio hashing called acoustic fingerprinting [1]. i've used software like Picard [2] to de-dupe my music library based on similarity. Also Simiilarity [3] incorporates this as does Shazam. [1] http://en.wikipedia.org/wiki/Acoustic_fingerprint http://en.wikipedia.org/wiki/Acoustic_fingerprint [2] https://musicbrainz.org/doc/MusicBrainz_Picard https://musicbrainz.org/doc/MusicBrainz_Picard [3] http://www.similarityapp.com/ http://www.similarityapp.com/