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1. (WO2017037920) MUSICAL-PIECE ANALYSIS DEVICE, MUSICAL-PIECE ANALYSIS METHOD, AND MUSICAL-PIECE ANALYSIS PROGRAM

Pub. No.:    WO/2017/037920    International Application No.:    PCT/JP2015/075077
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Fri Sep 04 01:59:59 CEST 2015
IPC: G10L 25/45
G10L 25/51
Applicants: PIONEER DJ CORPORATION
Pioneer DJ株式会社
Inventors: SUZUKI Shiro
鈴木 四郎
Title: MUSICAL-PIECE ANALYSIS DEVICE, MUSICAL-PIECE ANALYSIS METHOD, AND MUSICAL-PIECE ANALYSIS PROGRAM
Abstract:
A musical-piece analysis device (1) is equipped with: a playback-interval detection means (2) for detecting the playback interval of inputted sound data; an execution-period setting means (6) for setting the execution period for a Fast Fourier Transform (FFT), according to the playback interval detected by the playback-interval detection means (2); and a sound data analysis means (5) for executing the FFT and analyzing the inputted sound data, on the basis of the FFT execution period set by the execution period setting means (6).