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http://stackoverflow.com/questions/18507964/live-stream-audio-fingerprinting-with-gracenote

The GracenoteSDK only has the ability to create fingerprints. The only implementation that can compare fingerprints is the Gracenote Service. So you won't be able to make a service of your own that will do fingerprint recognition, but you can certainly build an application that uses Gracenote to do this.

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