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:
Dec. 06, 2011
Filed:
Sep. 10, 2008
Masanao Suzuki, Kawasaki, JP;
Miyuki Shirakawa, Fukuoka, JP;
Yoshiteru Tsuchinaga, Fukuoka, JP;
Takashi Makiuchi, Fukuoka, JP;
Masanao Suzuki, Kawasaki, JP;
Miyuki Shirakawa, Fukuoka, JP;
Yoshiteru Tsuchinaga, Fukuoka, JP;
Takashi Makiuchi, Fukuoka, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
According to an aspect of an embodiment, a method for regenerating an audio signal including a low frequency component and a high frequency component by decoding a coded data including a first coded data and a second coded data, the method comprising the steps of: generating the low frequency component; generating the high frequency component; determining whether the low frequency component has transient characteristics or not; generating a low frequency correction component by removing a stationary component when the audio signal has the transient characteristics; generating a corrected high frequency component by correcting the high-frequency component on the basis of the duration of the low frequency correction component when the audio signal has the transient characteristics; and regenerating the audio signal by synthesizing the low frequency component with the corrected high-frequency component.