Variable-length decoder for bit-stuffed data

Details Variable-length decoder for bit-stuffed data Variable-length decoder for bit-stuffed data

1995-05-31

1996-10-15

Beausoliel, Jr., Robert W.

Excavating

375253, 375369, 341 67, G06F 1100

Patent

active

055661920

ABSTRACT:
A variable-length decoder variable-length-decodes a received variable-length-encoded data. The variable-length-encoded data is bit-stuffed in each data block to create data portions with a predetermined number of bits. Frame start codes representing a start of each frame and mass of macroblock start codes distinguishing between a plurality of masses of macroblocks are inserted into the data. Synchronization of data between frames and masses of macroblocks are accomplished via: a first-in-first-out (FIFO) memory which stores encoded data; a decoder which variable-length-decodes the input data in response to a control signal and generates an end-of-block (EOB) error signal when an EOB is not found; a decoding interface which interfaces between the decoder and a timing controller; and a timing controller which synchronizes decoding by use of start and initialization signals.

REFERENCES:
patent: 3804982 (1974-04-01), Brown
patent: 4694456 (1987-09-01), Morita et al.
patent: 5117288 (1992-05-01), Eisenhardt et al.
patent: 5440345 (1995-08-01), Shimoda

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