Method of providing identification, other digital data and multi

Details Method of providing identification, other digital data and multi Method of providing identification, other digital data and multi

1987-07-21

1989-08-08

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358142, H01N 704

Patent

active

048558273

ABSTRACT:
A method and apparatus for imbedding digital data and multiple audio (analog) track information in a video signal in a manner compatible with ordinary broadcast TV and transparent to a conventional television receiver is disclosed. The method and apparatus may provide multiple independent audio tracks and a substantial level of interaction with a viewer utilizing special reception equipment, which equipment may be utilized to provide a fully interactive system from signal sources not required to be compatible with convention receivers. The method and apparatus includes the ability of imbedding both analog and digital signals in a video signal, and while advantageous for interactive TV systems, may be used for a multitude of purposes in various video systems.

REFERENCES:
patent: 4318125 (1982-03-01), Shutterly
patent: 4321623 (1982-03-01), Rzeszewski

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