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:
Apr. 12, 2011
Filed:
Mar. 09, 2004
Goro Shiraishi, Tokyo, JP;
Chie Sekine, Saitama, JP;
Kumiko Masuda, Kanagawa, JP;
Kuniharu Mori, Kanagawa, JP;
Goro Shiraishi, Tokyo, JP;
Chie Sekine, Saitama, JP;
Kumiko Masuda, Kanagawa, JP;
Kuniharu Mori, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A tempo analyzer to analyze the tempo of sound such as a musical composition or the like is provided in which a controller () takes, based on level information on a sound signal from an analysis data extraction unit (), a frame which is a predetermined unit-time interval as a unit of process, detects positions of peaks of the level of the sound signal (apex of the change in level) higher than a predetermined level to find a time interval (peak-to-peak interval) between the peak positions in the frame, and determines a peak-to-peak time interval having occurred frequently as a tempo.