Title:
ACOUSTIC ANALYSIS DEVICE
Document Type and Number:
Japanese Patent JP2016057571
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To properly estimate a subjective impression of a sound.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 r making an impression index Ym showing an auditory impression of a reference sound and a feature index Xn showing an acoustic feature of the reference sound mutually correspond and a relation descriptive data DC for regulating a correspondence relation between the auditory impression and a plurality of sound features, and the impression index Ym of the singing voice V is calculated by applying the feature index Xn extracted by the feature extraction part 22 to a correlation formula FM for expressing a relation between the impressing index Ym of the auditory impression in the correspondence relation regulated by relation descriptive data DC and a feature index Xn of a plurality of kinds of acoustic features. An information generation part 32 generates presentation data Q corresponding to the impression index specified by the impressing specifying part 24. A presentation processing part 26 presents to a user the presentation data Q generated by the information generation part 32.SELECTED DRAWING: Figure 1
Inventors:
KOIKE MAI
SAKANASHI HIDEKI
NARIYAMA RYUICHI
HATA NORIYUKI
SAKANASHI HIDEKI
NARIYAMA RYUICHI
HATA NORIYUKI
Application Number:
JP2014186192A
Publication Date:
April 21, 2016
Filing Date:
September 12, 2014
Export Citation:
Assignee:
YAMAHA CORP
International Classes:
G10L25/51; G10L15/10
Attorney, Agent or Firm:
Akira Obayashi
Taro Takahashi
Taro Takahashi