Coded data generation or conversion – Digital code to digital code converters – To or from variable length codes
Patent
1994-07-29
1996-11-05
Hoff, Marc S.
Coded data generation or conversion
Digital code to digital code converters
To or from variable length codes
341106, H03M 740
Patent
active
055722083
ABSTRACT:
A multi-level decoder and design method are used to decode an ordered sequence of incoming binary bit-stream in serial containing a plurality of variable length codewords with a maximum codeword length of M. The decoder includes a serial to parallel converter and shfiter for receiving the incoming bit stream, and for receiving a shift-count for shifting and converting the shift-count number of bits for adding to a parallel data record. The decoder further includes a dictionary databank which includes at least two dictionary tables for listing a plurality of standard codewords wherein each of the dictionary tables having a bit-length less than M. The decoder further includes a decoding processor for decoding the parallel data record by utilizing the dictionary databank and to generate the shift-count as an input to the serial to parallel converter and shifter.
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Hoff Marc S.
Industrial Technology Research Institute
Lin Bo-In
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