Method and apparatus for digital Huffman encoding

Details Method and apparatus for digital Huffman encoding Method and apparatus for digital Huffman encoding

1980-11-17

1983-08-02

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

358260, H03K 1324

Patent

active

043969062

ABSTRACT:
Coding and decoding method and apparatus are disclosed for implementation of a novel truncated Huffman type code using different length code words. Input signals to be encoded have different probabilities of occurance, and the most frequently occuring signals are assigned the shortest code words. Infrequently occuring input signals are labelled using one of the code words. The set of different length code words employed in the invention include a single binary 1 bit at the least significant bit position of each of the code words. Decoding simply includes means for counting the number of binary 0 bits between the 1 bits of the code word stream.

REFERENCES:
patent: 3560639 (1971-02-01), Centanni
Miessler, "IBM Technical Disclosure Bulletin", vol. 17, No. 5, Oct. 1974, pp. 1489-1491.
Atrubin, "IBM Technical Disclosure Bulletin", vol. 14, No. 3, Aug. 1971, pp. 874-876.
Bahl, "IBM Technical Disclosure Bulletin", vol. 14, No. 2, Jul. 1971, pp. 477-478.

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