Television signal bandwidth reduction using variable rate transm

Details Television signal bandwidth reduction using variable rate transm Television signal bandwidth reduction using variable rate transm

1982-12-27

1985-09-10

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358105, 358138, 358143, H04N 932

Patent

active

045410089

ABSTRACT:
A television signal transmission system incorporating circuits for processing and encoding a repetition reduced signal. The system contains a component separator for generating sampled digital values of the color and intensity components of a television signal, storage buffer for storing the separated components of the video signal, a data processor for comparing successive samples of the component video data and for generating variable-length blocks of data to represent either slowly varying signals or rapidly varying signals, circuitry for encoding and multiplexing audio and synchronization data into the signal stream, circuitry for encoding signal and control data for transmission to a receiver, circuit for processing the received signal to establish synchronization, circuit for demultiplexing the received signal to extract the audio information, and means for demultiplexing the component video information and reconstructing the composite video signal from the repetition-reduced representation.

REFERENCES:
patent: 4232338 (1980-11-01), Netravali et al.
patent: 4240113 (1980-12-01), Michael et al.
patent: 4362775 (1981-11-01), Widergren et al.

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