Method and apparatus for decoding variable length codes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 13, 1998
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
Nov 12, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for performing variable length decoding on a coded bitstream produced by an encoding apparatus is provided. The coded bitstream includes one or more variable length codes (VLCs) produced by a Huffman code. Upon receiving the coded bitstream, for each of the VLCs in the coded bitstream a determination is made as to which of a major table or a minor table contains an entry corresponding to the VLC. The major table has been statistically optimized to contain entries corresponding to frequently used VLCs. The minor table has been optimized for space and contains entries corresponding to VLCs that are less frequently used. The optimized tables provide a more efficient method and apparatus for decoding variable length codes. Specifically, the optimized tables provide a method of variable length decoding that can run efficiently on a target platform having a limited data and code cache.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully