Variable length code parallel decoding apparatus and method

Details Variable length code parallel decoding apparatus and method Variable length code parallel decoding apparatus and method

1989-10-26

1991-07-16

Pellinen, A. D.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341 95, 3582611, H03M 740

Patent

active

050328387

ABSTRACT:
When a variable length code requires two cycles in decoding, portions of code bit strings serving as objects to be decoded in first and second cycles of the variable length code are caused to overlap each other. In the first cycle, a non-overlapping portion is determined as a decoded portion. A length of a code bit string actually decoded in the first cycle is determined as a length of the code bit string serving as the object to be decoded in the first cycle excluding the length of the overlapping portion so as to determine a start position of the code bit string serving as the object to be decoded in the second cycle.

REFERENCES:
patent: 3883847 (1975-05-01), Frank
patent: 4739308 (1988-04-01), Lienard
patent: 4760459 (1988-07-01), Sato
patent: 4760461 (1988-07-01), Sato
patent: 4800441 (1989-01-01), Sato
patent: 4899149 (1990-02-01), Kahan
Sieminski, Fast Decoding of the Huffman Codes, Information Processing Letters 26 (1987/88), pp. 237-241.

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