Chris Barton (Barton), who was doing his MBA at Berkeley’s Haas School of Business , came up with the idea of Shazam – a song identification service, using a mobile phone. Subsequently, Barton contacted Dr. Avery Wang (Wang), an audio technology expert with a PhD in audio analysis at Stanford University, to develop the technology.
Wang came up with a solution to turn a particular 10 second sample of audio into a ‘numeric signature’ or a ‘fingerprint’. He created an algorithm, which matched a tune’s fingerprint to one of the fingerprints of a song in a song database (created beforehand). The technology disregarded extraneous background noise and bad mobile connections. It also had the capability to recognize different versions of the same song...