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.:

US 8335321 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 18, 2012

Filed:

Nov. 01, 2011
Applicants:

Takuya Daishin, Kanagawa, JP;

Yoshitaka Miyake, Kanagawa, JP;

Kaoru Gyotoku, Kanagawa, JP;

Inventors:

Takuya Daishin, Kanagawa, JP;

Yoshitaka Miyake, Kanagawa, JP;

Kaoru Gyotoku, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An audio signal processing apparatus generates an audio signal having an omni-directivity in the whole circumferential direction, generates an audio signal having a directivity in the right-left direction, generates an audio signal having a directivity in the front-back direction, adds the audio signal resulting from the multiplication of the audio signal having a directivity in the whole circumferential direction by a predetermined coefficient, the audio signal resulting from the multiplication of the audio signal having a directivity in the right-left direction by a predetermined coefficient, and the audio signal resulting from the multiplication of the audio signal having a directivity in the front-back direction by a predetermined coefficient, and generates a unidirectional audio signal.


Find Patent Forward Citations

Daishin, Takuya. (2012). Audio signal processing apparatus, audio signal processing method and imaging apparatus (U.S. Patent No. 8335321). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8335321

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