Title:
TUNING ESTIMATION DEVICE, EVALUATION APPARATUS, AND DATA PROCESSING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/082061
Kind Code:
A1
Abstract:
In order that tuning information is calculated on the basis of an input sound, a tuning estimation device is provided with: an input sound acquisition unit that acquires an input sound; a pitch calculation unit that calculates the pitch of the input sound acquired by the input sound acquisition unit; and a tuning value calculation unit that, on the basis of a peak in a first distribution of the pitch calculated by the pitch calculation unit, calculates a tuning value indicating an offset between a tuning reference position serving as a reference for tuning and a reference position in the first distribution. The tuning value calculation unit calculates the tuning value on the basis of the positional relationship of a periodic peak group in the first distribution.
Inventors:
TERASHIMA TATSUYA (JP)
MATSUMOTO SHUICHI (JP)
MATSUMOTO SHUICHI (JP)
Application Number:
PCT/JP2016/081810
Publication Date:
May 18, 2017
Filing Date:
October 27, 2016
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10G7/02; G09B15/00; G10K15/04; G10L25/51; G10L25/90
Foreign References:
| JPH06308946A | 1994-11-04 | |||
| JP2007193156A | 2007-08-02 | |||
| JP2013114088A | 2013-06-10 | |||
| JP2014191192A | 2014-10-06 | |||
| JP2003036085A | 2003-02-07 |
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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