| 摘要 |
PROBLEM TO BE SOLVED: To give redundancy of evaluation to singing technique, while stabilizing reference of singing evaluation.SOLUTION: An evaluation reference generation device according to one embodiment of this invention includes: a reference acquisition unit configured to acquire reference data; a reference feature amount calculation unit configured to calculate feature amount data indicating time change of a feature amount of sound on the basis of the reference data; and a generation unit configured to generate evaluation reference data for defining a reference feature amount range that is set so as to contain a feature amount indicated by the feature amount data as reference, contains an allowable range from the reference, and is changed based on information in which the allowable range is contained in the reference data.SELECTED DRAWING: Figure 2 |
