Content based audio copy detection

Details Content based audio copy detection Content based audio copy detection

G - Physics

10

L

G10L 11/00 (2006.01) G06F 17/30 (2006.01) G06F 21/00 (2006.01) G06Q 30/02 (2012.01)

Patent

CA 2716266

A method for performing audio copy detection, comprising, providing a query audio data, the query audio data having a succession of frames and also providing a plurality of test audio data units, each test audio data unit including a succession of frames. For each test audio data unit the method generates a test fingerprint set. The generation of the test fingerprint test including computing similarity measurements between at least one frame of the test audio data and a plurality of frames of the query audio data. A test audio data unit is then selected as a match for the query audio data at least in part on the basis of the fingerprint sets.

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