Extraction of F0 dynamic characteristics and development of F0 control model in singing voice
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Fundamental frequency (F0) control models, which can cope with F0 dynamic characteristics related to singing-voice perception, are required to construct natural singing-voice synthesis systems. This paper discusses the importance of F0 dynamic characteristics in singing voices and demonstrates how much it influence on singing voice perception through psychoacoustic experiments. This paper, then, proposes an F0 control model that can generate F0 fluctuations in singing voices, and a singing-voice synthesis method. The results showthat F0 contour including fluctuations: Overshoot, Vibrato, Preparation, and Fine-fluctuation, affects singing voice perception, and the proposed synthesis method can generate natural singing voices by controlling these F0 fluctuations.