The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 1999
Filed:
Jun. 04, 1997
Dwayne T Crump, Apex, NC (US);
Steve T Pancoast, Raleigh, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A digital data handling system handling display signal streams has a video processor which is capable of high performance due to vector processing and special addressing modes. The video processor is a single VLSI device having a plurality of processors, each of which has associated instruction and data caches, which are joined together by a wide data bus formed on the same substrate as the processors. Most audio and/or video compression algorithms use a Huffman style bit compression scheme with compression codes in variable length bit fields. The compressed data is a compacted bit stream which must be interpreted serially in order to extract the codes. In contrast to most microprocessors which process bit streams only inefficiently, the present invention uses a serialization FIFO to provide a hardware assist to the Huffman encoding/decoding.