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Title:
ACOUSTIC ANALYSIS DEVICE
Document Type and Number:
Japanese Patent JP2016057572
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To bring an auditory impression of a sound close to a target without requiring expert knowledge relating to a correction between a sound feature and an auditory impression.SOLUTION: A feature extraction part 22 extracts a feature index Xn of a singing voice V. An impression specifying part 24 is set using a plurality of reference data making an impression index Ym showing an auditory impression of a reference sound and a feature index Xn showing a sound feature of the reference sound and relation descriptive data DC for regulating a correspondence relation between the auditory impression and the plurality of kinds of sound features mutually correspond, and the impression index Ym is calculated by applying the feature index Xn extracted by the feature extraction part 22 to a correlation formula Fm for expressing the relation between the impression index Ym of the auditory impression in the correspondence relation regulated by the relation descriptive data DC and the feature index of the plurality of sound features. A target setting part 42 sets a target value Am of the impression index Ym. An analysis processing part 44 specifies the sound feature which should be changed in order to bring the impression index Ym of a singing voice V calculated by the impression specifying part 24 close to the vicinity of the target value Am.SELECTED DRAWING: Figure 1

Inventors:
NARIYAMA RYUICHI
SAKANASHI HIDEKI
KOIKE MAI
Application Number:
JP2014186193A
Publication Date:
April 21, 2016
Filing Date:
September 12, 2014
Export Citation:
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Assignee:
YAMAHA CORP
International Classes:
G10L21/003; G10L21/10
Attorney, Agent or Firm:
Akira Obayashi
Taro Takahashi



 
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