Device for encoding digital signals representing television pict

Details Device for encoding digital signals representing television pict Device for encoding digital signals representing television pict

1993-12-16

1995-07-25

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

H04N 750

Patent

active

054366631

ABSTRACT:
Device for encoding interlaced-field picture signals, comprising a first variable-length encoding channel (10) and an associated first prediction channel (20), as well as a second variable-length encoding channel (30), arranged in parallel with the first channel and including at its input side a circuit (31) for de-interlacing the fields, an associated second prediction channel (40) including a circuit (45) for re-interlacing the fields and a decision sub-assembly (50) for comparing the signals supplied by coding in the respective first and second encoding channels and selection of the prediction and encoding channels as a function of the result of said comparison.

REFERENCES:
patent: 5091782 (1992-02-01), Krause et al.
patent: 5093720 (1992-03-01), Krause et al.
patent: 5136371 (1992-08-01), Savatier et al.
patent: 5235419 (1993-08-01), Krause

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