SINGING VOICE EVALUATION DEVICE

摘要

PROBLEM TO BE SOLVED: To detect a part of a song which is being sung with a shout technique by analyzing singing voice.

SOLUTION: A karaoke device in the embodiment comprises: acquisition means for acquiring singing voice; pitch detection means for detecting a singing pitch; singing volume detection means for detecting singing volume; non-singing period identification means for identifying a not-singing period; determination period identification means for identifying a determination period which is positioned between two non-singing periods and does not include more than one constituting sound to be sung indicated by music data; singing volume determination means for determining whether the maximum value of the singing volume in the determination period is larger than the singing volume in the music duration other than the determination period; change determination means for determining whether a change in singing pitch in the determination period corresponds to a change pattern in which the pitch decreases after increasing; and technique determination means for determining that the singing voice in the determination period is following a specific technique from the determination results in the singing volume determination means and the change determination means.

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