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:
Apr. 07, 2015

Filed:

Feb. 28, 2011
Applicants:

Kazuhiro Nakadai, Wako, JP;

Ryu Takeda, Wako, JP;

Hiroshi Okuno, Wako, JP;

Inventors:

Kazuhiro Nakadai, Wako, JP;

Ryu Takeda, Wako, JP;

Hiroshi Okuno, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/20 (2006.01); H04R 3/04 (2006.01); H04S 7/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); H04S 7/305 (2013.01);
Abstract

A reverberation suppressing apparatus, includes: a sound acquiring unit which acquires a sound signal; a reverberation data computing unit which computes reverberation data from the acquired sound signal; a reverberation characteristics estimating unit which estimates reverberation characteristics based on the computed reverberation data; a filter length estimating unit which estimates a filter length of a filter which is used to suppress a reverberation based on the estimated reverberation characteristics; and a reverberation suppressing unit which suppresses the reverberation based on the estimated filter length.


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