Variable length code demodulating apparatus and address control

Details Variable length code demodulating apparatus and address control Variable length code demodulating apparatus and address control

1990-10-29

1992-08-11

Pellinen, A. D.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341106, 3582611, H03M 740

Patent

active

051383160

ABSTRACT:
In a variable length code demodulating apparatus, a bit length of the variable length code is examined to determine if it is longer than a specified bit length. The most significant bits equal in number to the specified bit length is selected from variable length codes which have a bit length exceeding the specified bit length. The most significant bits of the variable length code are converted to a conversion code which replaces the most significant lists. The conversion code has a bit length less than the specified bit length. An addressing to a conversion table in which each fixed length code is stored corresponding to each variable length code is performed on the basis of the least significant lists and the conversion code substituting for the most significant lists.

REFERENCES:
patent: 4276544 (1981-06-01), Iinuma
patent: 4593267 (1986-06-01), Kuroda et al.
Fukinuki, T. "Multidimensional Processing of TV Pictures", Nikkan Kogyo Shinbunsha, Jun. 25, 1984, pp. 225-226; 252-260 (with English translation).
Fukinuki, T. "Digital Signal Processing for Video Image" (Huffman Code), NDC 548.8, May 25, 1971, p. 257 (with English translation).

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