Picture compressing and expanding apparatus

Details Picture compressing and expanding apparatus Picture compressing and expanding apparatus

1995-09-26

1998-01-20

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

348411, 348412, 348413, 348416, H04N 730

Patent

active

057105987

ABSTRACT:
A decoding speed is improved. A processing method is changed in variable length decoders depending on whether only one piece of data is to be decoded or two or more pieces of data are to be decoded, thereby suppressing an increase in the size of hardware as much as possible and increasing a processing speed. Although irregular data are created in the first cycle when a large scale decoder having a slow processing speed processes data, a delay apparatus delays data which include the irregular data and data which are supplied from the large scale decoder without a delay are filled in the irregular data portion. As a result, the irregular portion of the data is compensated for and a relative delay of the processing is prevented.

REFERENCES:
patent: 5068727 (1991-11-01), Haghiri
patent: 5510842 (1996-04-01), Phillips
patent: 5532744 (1996-07-01), Akiwumi-Assani

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