Program identification method and apparatus

Details Program identification method and apparatus Program identification method and apparatus

H - Electricity

04

N

350/30.5

H04N 17/00 (2006.01) G11B 27/28 (2006.01) H04H 9/00 (2006.01)

Patent

CA 1279124

PROGRAM IDENTIFICATION METHOD AND APPARATUS Abstract of the Disclosure A method and apparatus for identifying programs such as television programs received from various sources detects the occurrence of predetermined events such as scene changes in a video signal and extracts a signature from the video signal. the signatures and the times of occurrence of the signatures are stored and subsequently compared with reference signatures to identify the program. The signatures may be compared in pairs to increase resolution, and the time interval between events or signatures may also be used to identify the program, either by themselves or in conjunction with the signatures.

480035

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