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Patent Searching and Data


Title:
ACOUSTIC ANALYSIS METHOD, ACOUSTIC ANALYSIS DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/059473
Kind Code:
A1
Abstract:
This acoustic analysis device is provided with: a signal acquisition unit that acquires an acoustic signal representing the musical performance sounds of a musical composition; a signal analysis unit that performs analysis of the acoustic signal and thereby calculates, for each of a plurality of musical categories, feature amounts including the probability that the musical composition belongs to the musical category; and a musical composition selection unit that selects one or more candidate musical compositions having similar feature amounts to those calculated for the musical composition from among a plurality of candidate musical compositions.

Inventors:
SASAI DAN (JP)
Application Number:
PCT/JP2019/038110
Publication Date:
April 01, 2021
Filing Date:
September 27, 2019
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Assignee:
YAMAHA CORP (JP)
International Classes:
G10L25/51; G06F16/632; G06F16/683
Domestic Patent References:
WO2017154928A12017-09-14
Foreign References:
JP2007026425A2007-02-01
JP2015079110A2015-04-23
JP2009205247A2009-09-10
Attorney, Agent or Firm:
OHBAYASHI, Akira et al. (JP)
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