Device for encoding digital signals representing television pictures
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United States of America Patent
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-
Jul 25, 1995
Grant Date -
N/A
app pub date -
Dec 16, 1993
filing date -
Dec 22, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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