Arrangements for variable-length encoding and decoding of digita

Details Arrangements for variable-length encoding and decoding of digita Arrangements for variable-length encoding and decoding of digita

1991-01-28

1992-08-11

Logan, Sharon D.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341106, H03M 740, H03M 742

Patent

active

051383152

ABSTRACT:
Arrangement for variable-length encoding of digital signals, divided into N parallel paths, comprising a routing circuit which, after classification of the encoded signals in accordance with their lengths and classification of the buffer memories in accordance with their filling states, apply those signals to the buffer memories which are less filled as said signals are longer, said routing circuit being arranged between a variable-length encoding circuit and rate control circuit. The corresponding decoding arrangement, which receives said encoded signals in regrouped data blocks accompanied by a respective path indicator for said blocks, comprises, at the output of an inverse quantization circuit, a circuit for routing said blocks as a function of the associated path indicator.

REFERENCES:
patent: 4060797 (1977-11-01), Maxwell et al.
patent: 4302775 (1981-11-01), Widergren et al.
patent: 4394774 (1983-07-01), Widergren et al.
patent: 4433377 (1984-02-01), Eustis et al.
patent: 5003469 (1991-03-01), Kamiyama et al.

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