Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MUSICAL PIECE STRUCTURE ANALYSIS DEVICE AND MUSICAL PIECE STRUCTURE ANALYSIS PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/255212
Kind Code:
A1
Abstract:
A musical piece structure analysis device (1) is provided with: a peak signal detection means (4) that detects a maximum level peak signal within a predetermined section of signal strength data of a predetermined frequency or less composing musical piece data; a representative value calculation means (5) that, regarding the peak signal detected by the peak signal detection means (4), calculates the representative value of the peak signal in each of unit sections composing the musical piece data; and a melody determination means (6) that, regarding the representative value of the peak signal in each of the unit sections calculated by the representative value calculation means (6), determines the melody of the musical piece data on the basis of the magnitude of an inflection level calculated as a difference between temporally successive unit sections, and the number of inflection levels in the musical piece data.

Inventors:
SUZUKI SHIRO (JP)
SABI TOSHIHISA (JP)
Application Number:
PCT/JP2019/023927
Publication Date:
December 24, 2020
Filing Date:
June 17, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ALPHATHETA CORP (JP)
International Classes:
G10L25/51; G10G3/04
Foreign References:
JP2008251109A2008-10-16
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Download PDF: