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:
Oct. 04, 2005
Filed:
Aug. 25, 2000
Victor Kolesnik, St. Petersburg, RU;
Boris Kudryashov, St. Petersburg, RU;
Eugeny Ovsjannikov, St. Petersburg, RU;
Sergey Petrov, St. Petersburg, RU;
Boris Trojanovsky, St. Petersburg, RU;
Victor Kolesnik, St. Petersburg, RU;
Boris Kudryashov, St. Petersburg, RU;
Eugeny Ovsjannikov, St. Petersburg, RU;
Sergey Petrov, St. Petersburg, RU;
Boris Trojanovsky, St. Petersburg, RU;
XVD Corporation, Fremont, CA (US);
Abstract
According to one embodiment of the invention, a multistage vector list quantizer comprises a first stage quantizer to select candidate first stage codewords from a plurality of first stage codewords, a reference table memory storing a set of second stage codewords for each first stage codeword, and a second stage codebook constructor to generate a reduced complexity second stage codebook that is the union of sets corresponding to the candidate first stage codewords selected by the first stage quantizer.