Digital image decoding apparatus

Details Digital image decoding apparatus Digital image decoding apparatus

1996-09-17

1997-12-23

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

348404, 348405, 348415, 348420, 348421, H04N 750

Patent

active

057011591

ABSTRACT:
Data which has been decoded by a decoding portion 101 are compressed by a compressing portion 102 and stored in a prediction/display frame memory portion 103. From the data stored in the prediction/display frame memory portion 103, any data required for decoding other frames in the decoding portion 101 are decompressed through a decompressing A portion 104 and supplied to the decoding portion 101. Alternatively, data to be displayed is read from the prediction/display frame memory portion 103, decompressed at a decompressing B portion 105 and supplied to a display apparatus. Writing to and reading from the above-mentioned prediction/display frame memory portion 103 is controlled by an address controlling portion 106. Since compressed data are stored in the prediction/display frame memory portion 103, the memory capacity can be decreased.

REFERENCES:
patent: 5543843 (1996-08-01), Kato
SGS-Thomson Microelectronics STI3500 Mpeg-2/CCIR 601 Video Decoder, Apr. 1994.

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