Decoding apparatus of a compressed digital video signal

Details Decoding apparatus of a compressed digital video signal Decoding apparatus of a compressed digital video signal

1992-07-20

1994-03-01

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348415, H04N 7130, H04N 7133

Patent

active

052912833

ABSTRACT:
Encoded picture data or encoded difference data is decoded by an intraframe decoder. To an adder, zero data is given through a switching circuit at the time of the decoding of intraframe coded data, and when interframe coded data, i.e., difference data is decoded, a decoded value of a previous frame is supplied through the switching circuit. By the adder, the decoded value of the previous frame and the decoded difference value are added to allow the decoding of interframe coding.

REFERENCES:
patent: 5005076 (1991-04-01), Stroppina et al.
patent: 5028995 (1991-07-01), Izawa et al.
patent: 5136371 (1992-08-01), Savatier et al.
patent: 5136378 (1992-08-01), Tsurube
patent: 5150432 (1992-09-01), Ueno et al.

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