Data compression

Details Data compression Data compression

1993-10-27

1997-03-18

Teska, Kevin J.

Boots, shoes, and leggings

3642606, 36426081, 3642624, G06F 1500

Patent

active

056130910

ABSTRACT:
A signal processing system includes a compression encoder 16 for compressing an input block of data samples including a plurality of sub-blocks, each sub-block including an array of data samples, into a block of compressed data. A sequencer 14' accesses the data samples of the input block to be passed to the compression encoder 16 with the sub-blocks being accessed in a predetermined first order and the data samples within each sub-block being accessed in a predetermined pseudo-random order such that successively accessed locations in the array of samples for a sub-block are scattered throughout that sub-block. The pseudo random accessing sequence enables occupancy of a buffer 73 for the compressed data block to be linearised. The sequencer can include a counter 62, the output of which addresses a look-up table 65 for generating the pseudo-random sequence in a repeatable manner.

REFERENCES:
patent: 5136371 (1992-08-01), Savatier et al.
patent: 5166987 (1992-11-01), Kageyama
patent: 5168375 (1992-12-01), Reisch et al.
patent: 5255186 (1993-10-01), Steinhaus et al.
patent: 5294925 (1994-03-01), Akagiri
patent: 5373290 (1994-12-01), Lempel et al.

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