Decoding method of picture image data and decoding circuit there

Details Decoding method of picture image data and decoding circuit there Decoding method of picture image data and decoding circuit there

1992-03-25

1994-02-08

Britton, Howard W.

Television

Bandwidth reduction system

348472, H04N 713

Patent

active

052852750

ABSTRACT:
A method of and a circuit for decoding compressed picture image data wherein compressed picture image data of a variable length can be decoded at a fixed high rate. A buffer memory into which compressed picture image data are to be written has a capacity greater than an amount of object compressed picture image data for one frame. Before compressed picture image data are written into the buffer memory, it is checked as to whether or not the buffer memory has an empty space into which such compressed picture image data for one frame can be written. When the checking proves that the buffer memory has such empty space, the compressed picture image data are written into the buffer memory, but on the contrary if the buffer memory has no such empty space, the picture image data are abandoned and not written into the buffer memory.

REFERENCES:
patent: 4804948 (1989-02-01), Nishi
patent: 4896146 (1990-01-01), Narumiya
patent: 5065144 (1991-11-01), Edelson
patent: 5172228 (1992-12-01), Israelsen

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