Apparatus for decoding variable length codes

Details Apparatus for decoding variable length codes Apparatus for decoding variable length codes

1993-12-30

1995-07-11

Young, Brian

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

H03M 740

Patent

active

054325129

ABSTRACT:
A variable length code decoding apparatus comprises an interface circuit for extracting in parallel an objective bit stream having a predetermined number of bits from a 2.sup.n -bit variable length coded serial input bit stream (n is a positive integer), a control circuit for generating a buffer control signal, a barrel shifter control signal, a carry signal and a clock signal, and a lookup table memory connected to the interface circuit and the control circuit, for decoding the objective bit stream from the interface circuit and outputting a decoded symbol and a codeword length corresponding to the decoded symbol.

REFERENCES:
patent: 4853696 (1989-08-01), Mukherjee
patent: 4899149 (1990-02-01), Kahan
patent: 5173695 (1992-12-01), Sun et al.
patent: 5309156 (1994-05-01), Fujiyama
patent: 5343195 (1994-08-01), Cooper

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