Title:
ACOUSTIC ANALYSIS METHOD AND ACOUSTIC ANALYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/145326
Kind Code:
A1
Abstract:
Pitch is estimated with high accuracy. An acoustic analysis device (100) comprises: a storage device (12) that stores a program for carrying out a learning-completed model that has learned the relationship between pitch and time series of a feature value (Y) of an acoustic signal (V), this model also being a pitch estimation model (22) that generates pitch information (H) representing pitch from input of the time series of the feature value (Y) of the acoustic signal (V); and a control device (11) that carries out the pitch estimation model (22) by executing the program.
Inventors:
SUMI KOUHEI (JP)
Application Number:
PCT/JP2020/000374
Publication Date:
July 16, 2020
Filing Date:
January 09, 2020
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10G1/00
Foreign References:
| JP2007041234A | 2007-02-15 | |||
| JPH07306676A | 1995-11-21 |
Other References:
DUAN, ZHIYAO ET AL.: "AUDIO TONALITY MODE CLASSIFICATION WITHOUT TONIC ANNOTATIONS", ICME 2008, 26 August 2008 (2008-08-26), pages 1361 - 1364, XP031312983, Retrieved from the Internet
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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