Signature-based program identification apparatus and methods...

Details Signature-based program identification apparatus and methods... Signature-based program identification apparatus and methods...

H - Electricity

04

N

H04N 9/00 (2006.01) H04N 7/00 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2530012

Signature-based program identification apparatus and methods for use with digital audio and/or video systems are disclosed. The disclosed systems and methods develop signatures of digital audio and/or video content from a digital data stream at two or more sites and compare the signatures to one another to identify the content.

L'invention concerne un appareil et un procédé d'identification d'émission basée sur des signatures, à utiliser avec des systèmes vidéo et/ou audio numériques. Dans ces systèmes et procédés, des signatures de contenu vidéo et/ou audio numérique sont mises au point à partir d'un train de données numériques à au moins deux endroits, après quoi elles sont comparées les unes aux autres en vue de l'identification du contenu.

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