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:
Jun. 30, 2015
Filed:
May. 25, 2009
Hyen-o OH, Seoul, KR;
Chang Heon Lee, Seoul, KR;
Jeongook Song, Seoul, KR;
Yang Won Jung, Seoul, KR;
Hong Goo Kang, Seoul, KR;
Hyen-O Oh, Seoul, KR;
Chang Heon Lee, Seoul, KR;
Jeongook Song, Seoul, KR;
Yang Won Jung, Seoul, KR;
Hong Goo Kang, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Industry-Academic Cooperation Foundation, Yonsei University, Seoul, KR;
Abstract
An audio signal processing method is disclosed. The audio signal processing method includes receiving a residual and long term prediction information, performing inverse frequency mapping with respect to the residual to generate a synthesized residual, and performing long term synthesis based on the synthesized residual and the long term prediction information to generate a synthesized audio signal of a current frame, wherein the long term prediction information comprises a final prediction gain and a final pitch lag, the final pitch lag has a range starting with 0, and the long term synthesis is performed based on a synthesized audio signal of a frame comprising a preceding frame.