Electrical computers and digital processing systems: processing – Byte-word rearranging – bit-field insertion or extraction,...
Reexamination Certificate
2005-05-10
2005-05-10
Follansbee, John (Department: 2154)
Electrical computers and digital processing systems: processing
Byte-word rearranging, bit-field insertion or extraction,...
Reexamination Certificate
active
06892296
ABSTRACT:
A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit stream. The pipeline system employs a plurality of interconnected stages to decode and decompress the single bit stream, including a start code detector. When in a search mode, the start code detector searches for a specific start code corresponding to one of multiple compression standards. The start code detector responding to the single serial bit stream generates control tokens and data tokens. A respective one of the tokens includes a plurality of data words. Each data word has an extension bit which indicates a presence of additional words therein. The data words are thereby unlimited in number. A token decode circuit positioned in certain of the stages recognizes certain of the tokens as control tokens pertinent to that stage and passes unrecognized control tokens to a succeeding stage. A reconfigurable decode and parser processing means positioned in certain of the stages is responsive to a recognized control token and reconfigures a particular stage to handle an identified data token. Methods relating to the decoder and decompression system include processing steps relating thereto.
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Boyd Kevin
Claydon Anothy Peter
Finch Helen R.
Jones Anthony Mark
Robbins William P.
Discovision Associates
Follansbee John
Goldsmith Micah P.
Masaki Keiji
Nguyen Dustin
LandOfFree
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