Title:
音響解析方法、音響解析装置およびプログラム
Document Type and Number:
Japanese Patent JP7120468
Kind Code:
B2
Abstract:
An audio analysis device comprises an electronic controller including at least one processor. The electronic controller is configured to execute a plurality of modules including a signal acquisition module configured to acquire an audio signal representing performance sounds of a musical piece, a signal analysis module configured to calculate, for each of a plurality of music categories, a feature value that includes a degree of certainty that the musical piece belongs to the music category, by analyzing the audio signal, and a music selection module configured to select one or more candidate musical pieces whose feature value is similar to the feature value calculated for the musical piece from among a plurality of candidate musical pieces.
Inventors:
Warm Shinoi
Application Number:
JP2021548111A
Publication Date:
August 17, 2022
Filing Date:
September 27, 2019
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
G10L25/51; G06F16/632; G06F16/683
Domestic Patent References:
| JP2007026425A | ||||
| JP2015079110A | ||||
| JP2009205247A |
Foreign References:
| WO2017154928A1 |
Attorney, Agent or Firm:
Ochi International Patent Office