Digital data compression robust relative to transmission noise

Details Digital data compression robust relative to transmission noise Digital data compression robust relative to transmission noise

2007-03-20

2007-03-20

Williams, Howard L. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

C375S240230, C382S247000

Reexamination Certificate

active

10521963

ABSTRACT:
The invention concerns a digital data compression encoder, characterized in that it comprises: an input for a first data flow (SH), and a second data flow (SL), an encoding module, matching symbols of the first data flow, and code words, wherein, for certain symbols, there exist several words, called redundant, corresponding to the same symbol, and a processing module for encoding the symbols of the first data flow based on the correspondence, by selecting among the redundant words, on the basis of at least part of the second data flow.

REFERENCES:
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patent: 5884269 (1999-03-01), Cellier et al.
patent: 6020923 (2000-02-01), Hosaka et al.
patent: 6055273 (2000-04-01), Isomura
patent: 6449394 (2002-09-01), Florencio
patent: 1 067 694 (2001-01-01), None

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