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. 14, 2014
Filed:
Nov. 15, 2006
Chang-yong Son, Gunpo-si, KR;
Eun-mi OH, Seongnam-si, KR;
Ho-sang Sung, Yongin-si, KR;
Kang-eun Lee, Gangneung-si, KR;
Ki-hyun Choo, Seoul, KR;
Jung-hoe Kim, Seoul, KR;
Chang-Yong Son, Gunpo-si, KR;
Eun-Mi Oh, Seongnam-si, KR;
Ho-Sang Sung, Yongin-si, KR;
Kang-Eun Lee, Gangneung-si, KR;
Ki-Hyun Choo, Seoul, KR;
Jung-Hoe Kim, Seoul, KR;
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method and apparatus to convert a linear predictive coding (LPC) coefficient into a coefficient having order characteristics, such as a line spectrum frequency (LSF), and to vector quantize the coefficient having the order characteristics when a speech signal is encoded. The method and apparatus split the vector of the coefficient having the order characteristics into a plurality of subvectors, select a codebook in which an available bit is variably allocated to each subvector according to distribution of elements of each subvector, and quantize each subvector according to the selected codebook. The method and apparatus use normalized codebooks.