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 9319015 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 19, 2016

Filed:

Dec. 23, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Shingo Ikeda, Tama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/20 (2006.01); H03G 3/30 (2006.01); H03G 7/00 (2006.01);
U.S. Cl.
CPC ...
H03G 3/301 (2013.01); H03G 7/002 (2013.01); H03G 7/007 (2013.01);
Abstract

There is provided an audio processing apparatus. An obtaining unit obtains an audio signal. A first audio level controller gives a first gain to the audio signal obtained by the obtaining unit. A second audio level controller gives a second gain to the audio signal output from the first audio level controller. A time constant in processing for increasing the first gain of the first audio level controller is larger than a time constant in processing for increasing the second gain of the second audio level controller.


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