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:
Nov. 13, 2012
Filed:
Mar. 03, 2008
Geun-bae Song, Jecheon-si, KR;
Min-sung Kim, Suwon-si, KR;
Hee-jin OH, Suwon-si, KR;
Austin Kim, Seongnam-si, KR;
Jae-bum Kim, Seoul, KR;
Geun-Bae Song, Jecheon-si, KR;
Min-Sung Kim, Suwon-si, KR;
Hee-Jin Oh, Suwon-si, KR;
Austin Kim, Seongnam-si, KR;
Jae-Bum Kim, Seoul, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
A method and apparatus for expanding a bandwidth of an input narrowband voice signal is provided. The narrowband voice signal is analyzed separately for each frame, and a Degree of Voicing (DV) and a Degree of Stationary (DS) are calculated depending on the analysis. A Degree of Difficulty of Bandwidth Expansion (DDBWE) of the narrowband voice signal is calculated based on DV and DS. Bandwidth expansion is controlled according to DDBWE.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile