Automatic commercial message recognition and monitoring device

Details Automatic commercial message recognition and monitoring device Automatic commercial message recognition and monitoring device

1991-03-29

1992-11-10

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

455 2, H04N 700, H04N 710

Patent

active

051629054

ABSTRACT:
An automatic commercial message (CM) recognition device has an audio data preparing portion (6) for producing audio data from an audio signal contained in a TV program received, a silence data preparing portion (7) for producing silence data from the audio signal contained in the TV program received, an image change detector portion (8) for detecting a change of image on an image screen from a video signal of the TV program received, a control portion (12) for determining a start or an end of a CM when an output of the silence data detecting portion indicates a silence state and the image change detector portion detects a change of an image, and a CM data referencing portion (14) for deriving an audio data from the start or end of the CM and comparing it with a preliminarily stored audio data of the CM.

REFERENCES:
patent: 3919479 (1975-11-01), Moon et al.
patent: 4230990 (1980-10-01), Lert, Jr. et al.
patent: 4677466 (1987-06-01), Lert, Jr. et al.
patent: 4739398 (1988-04-01), Thomas et al.
patent: 5019899 (1991-05-01), Boles et al.

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