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.:
Date of Patent:
Nov. 26, 2013
Filed:
Jul. 15, 2009
Kazuhiro Nakadai, Wako, JP;
Yuji Hasegawa, Wako, JP;
Hiroshi Tsujino, Wako, JP;
Kazumasa Murata, Tokyo, JP;
Ryu Takeda, Kyoto, JP;
Hiroshi Okuno, Kyoto, JP;
Kazuhiro Nakadai, Wako, JP;
Yuji Hasegawa, Wako, JP;
Hiroshi Tsujino, Wako, JP;
Kazumasa Murata, Tokyo, JP;
Ryu Takeda, Kyoto, JP;
Hiroshi Okuno, Kyoto, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A beat tracking apparatus includes: a filtering unit configured to perform a filtering process on an input acoustic signal and to accentuate an onset; a beat interval reliability calculating unit configured to perform a time-frequency pattern matching process employing a mutual correlation function on the acoustic signal of which the onset is accentuated and to calculate a beat interval reliability; and a beat interval estimating unit configured to estimate a beat interval on the basis of the calculated beat interval reliability.