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Patent Searching and Data


Title:
TECHNIQUE DETERMINING DEVICE AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/090720
Kind Code:
A1
Abstract:
A technique determining device according to an embodiment of the present invention is provided with: an input sound acquiring unit which acquires an input sound; a pitch detecting unit which detects a pitch in time series on the basis of the input sound acquired by the input sound acquiring unit; a sound volume detecting unit which detects a sound volume in time series on the basis of the input sound acquired by the input sound acquiring unit; a first start point detecting unit which determines, for each predetermined period, whether a variation in the sound volume detected by the sound volume detecting unit is equal to or greater than a prescribed threshold value, and detects, as a first start point, a start point of a period in which the variation in the sound volume is equal to or greater than the prescribed threshold value; and a technique determining unit which determines a technique of the input sound on the basis of a sound volume change after the first start point detected by the first start point detecting unit and a pitch variation after the first start point.

Inventors:
NARIYAMA RYUICHI (JP)
MATSUMOTO SHUICHI (JP)
Application Number:
PCT/JP2016/084945
Publication Date:
June 01, 2017
Filing Date:
November 25, 2016
Export Citation:
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Assignee:
YAMAHA CORP (JP)
International Classes:
G10K15/04; G09B15/00; G10L25/21; G10L25/51; G10L25/90
Foreign References:
JP2014092550A2014-05-19
JP2008026622A2008-02-07
JP2013213907A2013-10-17
JP2005107335A2005-04-21
US20110209596A12011-09-01
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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