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:
May. 14, 2013

Filed:

Oct. 08, 2010
Applicants:

Saki Hanai, Tokyo, JP;

Mitsuhiro Suzuki, Saitama, JP;

Inventors:

Saki Hanai, Tokyo, JP;

Mitsuhiro Suzuki, Saitama, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01); H03G 5/00 (2006.01); H03F 99/00 (2009.01);
U.S. Cl.
CPC ...
Abstract

A sound processing apparatus includes a power spectrum operation unit obtaining a power spectrum of an audio signal, an envelope component removal unit removing an envelope component of the power spectrum and generating a signal characteristic that represents a peakness of the power spectrum, a filter characteristic calculation unit calculating a filter characteristic suppressing the signal characteristic by using the signal characteristic, and a suppress filter filtering the audio signal by using the filter characteristic.


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