Vocabulary memory allocation for adaptive data compression of fr

Details Vocabulary memory allocation for adaptive data compression of fr Vocabulary memory allocation for adaptive data compression of fr

1991-04-29

1993-09-14

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

375122, 341 51, 381 32, H04B 166, H03M 736, H03M 738

Patent

active

052456145

ABSTRACT:
A method of and apparatus for allocating memory for storage of vocabularies used in adaptive data compression of a frame-multiplexed data stream of a data communications network. More specifically, a memory of a data compression encoder of the network is partitioned into a plurality of sections for the temporary storage of a corresponding plurality of data compression vocabularies. A memory section of the plurality is assigned to a current frame of the frame-multiplexed data stream based on information of the current frame for storage of a vocabulary created adaptively from the current frame.

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patent: 5136289 (1992-08-01), Yoshida et al.
patent: 5142282 (1992-08-01), Tobin et al.
G. Held "Expanding the Uses of Data Compression," Data Communications, pp. 149-156, Jun. 1984.

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