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.

Date of Patent:
Jul. 03, 2018

Filed:

May. 11, 2017
Applicants:

Minoru Yoshida, Kanagawa, JP;

Akihito Aiba, Kanagawa, JP;

Inventors:

Minoru Yoshida, Kanagawa, JP;

Akihito Aiba, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04S 7/00 (2006.01); H04R 1/40 (2006.01); G10L 21/0216 (2013.01);
U.S. Cl.
CPC ...
H04R 3/005 (2013.01); G10L 21/0216 (2013.01); H04R 1/406 (2013.01); H04S 7/303 (2013.01); G10L 2021/02166 (2013.01); H04R 2201/401 (2013.01); H04R 2430/21 (2013.01); H04S 2400/15 (2013.01);
Abstract

An acoustic signal processing apparatus includes circuitry to generate, when a plurality of sound receivers receive sound from a plurality of examination directions in a space and outputs acoustic signals of a plurality of channels, an effective signal corresponding to sound coming from each one of the examination directions based on the acoustic signals of the plurality of channels for each one of the examination directions, calculate a feature for each one of the examination directions based on the effective signal generated for each one of the examination directions, and select a target direction from the plurality of examination directions in the space based on the feature calculated for each one of the examination directions.


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