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:
Apr. 28, 2015
Filed:
Nov. 24, 2010
Hye Jeong Jeon, Seoul, KR;
Dae Hwan Kim, Seoul, KR;
Hong Goo Kang, Seoul, KR;
Min Ki Lee, Seoul, KR;
Byung Suk Lee, Seoul, KR;
Gyu Hyeok Jeong, Seoul, KR;
Hye Jeong Jeon, Seoul, KR;
Dae Hwan Kim, Seoul, KR;
Hong Goo Kang, Seoul, KR;
Min Ki Lee, Seoul, KR;
Byung Suk Lee, Seoul, KR;
Gyu Hyeok Jeong, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Industry-Academic Cooperation Foundation, Yonsei University, Seoul, KR;
Abstract
Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.