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:
Nov. 29, 2022

Filed:

Apr. 11, 2019
Applicants:

The University of Electro-communications, Tokyo, JP;

Hibino Corporation, Tokyo, JP;

Inventors:

Kota Takahashi, Tokyo, JP;

Tsukasa Miyamoto, Tokyo, JP;

Yoshiyuki Ono, Tokyo, JP;

Yoji Abe, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/04 (2006.01); G10L 25/18 (2013.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); G10L 25/18 (2013.01);
Abstract

An information processing device includes a first time-frequency converter configured to perform a time-frequency conversion with respect to an input signal, using a window function having a first width, a second time-frequency converter configured to perform a time-frequency conversion with respect to the input signal, using a second window function having a second width smaller than the first width, and a modification processing unit configured to modify an output of the second time-frequency converter, using a frequency analysis result based on an output of the first time-frequency converter.


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