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:
Jul. 12, 2016
Filed:
Dec. 27, 2011
Kosuke Hosoya, Tokyo, JP;
Satoru Furuta, Tokyo, JP;
Tadashi Yamaura, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A sound source generating unitgenerates from a narrowband audio signal not passing through noise suppression a sound source signal including a fine structure of a band to be restored. On the other hand, a noise suppressing unitperforms noise suppression of the narrowband audio signal and a spectral envelope estimating unitestimates an spectral envelope of the band to be restored. A signal synthesizing unitgenerates a pseudo-audio signal by combining the sound source signal and the spectral envelope, and the band-pass filter unitpasses the pseudo-audio signal of the band to be restored, and the signal addition unitgenerates a broadband audio restoration signal by adding the pseudo-audio signal of the band to be restored to the narrowband audio signal.