| Project/Area Number |
09680275
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
教科教育
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| Research Institution | Ehime University |
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Principal Investigator |
TANABE Takashi Ehime University The Faculty of Education, Proffessor, 教育学部, 教授 (80155192)
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| Project Period (FY) |
1997 – 1998
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| Project Status |
Completed (Fiscal Year 1998)
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| Budget Amount *help |
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1998: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1997: ¥1,800,000 (Direct Cost: ¥1,800,000)
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| Keywords | expression / voice / expert / evaluation / spectrum / FFT / analysis of vocal sound / principal component analysis / 熟達 / 多変量解析 |
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| Research Abstract |
It was many for until now to evaluate a expression in a subjective method, because that is why appraisal about music expression is it is difficult to objectify very much. But this research does to evaluate a performance in point of science a purpose. And FET analysis and principal component analysis were carried out about the sample of a vocal sound. Then it could more objectively evaluate about appraisal of music expression.
A vocal sound of the voice of adult, the countertenor and the child who went since before, is analyzed in this research. It thinks, although the kind of a voice differs, that 3 kinds of these the voices are most appropriate to compare, because the height of a sound resembles very much. As a result a child expresses in some view points in a child On the other hand a expert's judgment to total target from many viewpoints. It caught a voice as for a wave-like comprehensively. And the result whom also, analyzed of a expert's judgment and the wave-like almost agreed.
Therefore it thought can objectively to evaluate about appraisal about a voice. On the other hand a new view point could be found about a child's study activity to the way of a teacher's help.
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