A Chaotic Synthesis Model of Vowels
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概要
- 論文の詳細を見る
In the present work, we propose a chaotic fluctuation observed in real vocal sounds. The chaotic fluctuation can be generated by the proposed exponential oscillation functions in the glottis model. The nonlincarity of the cord oscillation can be controlled by three parameters. We examine the existence of chaos in the attraclors reconstructed from the synthesized vocal sound waveforms by evaluating the Lyapunov exponents. We also apply the surrogation test to examine the nonlinear dynamics behind the vocalorgans. Our results show that the proposed vocal synthesis model possesses an ability to generate the appropriate chaotic fluctuation observed in the human vocal sounds.
- 社団法人日本物理学会の論文
- 2003-03-15
著者
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NAKAGAWA Masahiro
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology
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KOGA Hiroyuki
Department of Pediatrics, Saga Medical School
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Koga Hiroyuki
Department Of Pediatrics Saga Medical School
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Koga Hiroyuki
Department Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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Koga Hiroyuki
Department Of Physics Tokyo Institute Of Technology
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Nakagawa Masahiro
Deparment Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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