Apparatus for concealing errors in a digital video processing system
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United States of America Patent
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Oct 3, 1995
Issued Date -
N/A
app pub date -
Feb 12, 1993
filing date -
Feb 27, 1991
priority date (Note) -
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Abstract
A digital video signal processing system includes apparatus for concealing errors which might occur in reproduced images due to image data lost during signal transmission. The system includes circuitry for detecting transmitted video data, generating error signals if errors are present in segments (transport blocks) of the received data, and excising segments having errors from the data stream. The received data is applied to a decoder/decompressor system which decodes and decompresses the transmitted video data according to a predetermined sequence and applies the decompressed video data to a memory (for subsequent display or recording, etc.). The decompressor is responsive to the error signals for altering the predetermined sequence.
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