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. 03, 2012
Filed:
Dec. 07, 2005
Tetsunori Kobayashi, Tokyo, JP;
Kenzo Akagiri, Kanagawa, JP;
Satoshi Kanba, Tokushima, JP;
Waseda University, Tokyo, JP;
Abstract
The invention provides a sound source separation system, a sound source separation method, and an acoustic signal acquisition device which can precisely separate a target sound and a disturbance sound coming from an arbitrary direction, and which ensures miniaturization of a device. A sound source separation systemcomprises two microphonesdisposed side by side in a direction in which a target sound comes from, a target sound superior signal generatorwhich performs a linear combination process for emphasizing the target sound, using the received sound signals of the microphones to generate a target sound superior signal, a target sound inferior signal generatorwhich performs a linear combination process for suppressing the target sound, using the received sound signals of the microphones, to generate a target sound inferior signal, and a separation unitwhich separates the target sound and a disturbance sound, using a target sound superior signal spectrum and a target sound inferior signal spectrum.