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 8711219 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 29, 2014

Filed:

Dec. 20, 2011
Applicants:

Takashi Sudo, Fuchu, JP;

Takehiko Isaka, Hachioji, JP;

Inventors:

Takashi Sudo, Fuchu, JP;

Takehiko Isaka, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, a signal processor includes: a plurality of loudspeakers configured to reproduce sound of a plurality of channels; a plurality of microphones configured to pick up sound of a plurality of channels; a detector configured to detect a user who is present in a direction of a space from which the microphones pick up the sound, and output directional characteristic information indicating a relative direction of the user to the loudspeakers; and a signal processor configured to switch contents of processing to reduce a disturbance signal included in a picked-up sound signal of the sound picked up by the microphones from the picked-up sound signal based on the relative direction indicated by the directional characteristic information.


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