Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
10551403
Date Filed
March 9, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A tempo analyzer to analyze the tempo of sound such as a musical composition or the like is provided in which a controller (9) takes, based on level information on a sound signal from an analysis data extraction unit (62), 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.
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