Variable length coder

Details Variable length coder Variable length coder

1994-09-13

1997-06-10

Young, Brian K.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

H03M 740

Patent

active

056380674

ABSTRACT:
A variable length coder for converting fixed bit length data to variable bit length data has a codetable for storing codewords, which codewords define a bitsequence and length of the bitsequence. A bitmap indicates the presence of codewords in the codetable. The bitmap is addressed by one or more bits from the fixed bit length. An addresser converts one or more bits from the fixed bit length data to a codetable address, which codetable address is used to index the codetable.

REFERENCES:
patent: 4506325 (1985-03-01), Bennett et al.
patent: 4670851 (1987-06-01), Murakami et al.
patent: 4901075 (1990-02-01), Vogel
patent: 5436626 (1995-07-01), Fujiwara et al.

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