A British company called Shazam is making big bucks off the mathematical analysis of music. Avery Wang, one of the company’s founders, recently met with me in a coffee shop in California to explain how his company is doing it.
The top spectrogram shows the sound that Shazam received over the cell phone. The bottom spectrogram is the original recording, Kajagoogoo and Limahl’s “Never Ending Story”, which Shazam correctly identified.
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