On the use of two-mass vocal cord model in characterizing the stress speech (音声)
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概要
- 論文の詳細を見る
This work focuses on the glottal source of speech production, which is important to understand the behavior of vocal fold when speech is produced under psychological stress. Two measurements: spectral flatness measure (SFM) and normalized amplitude quotient (NAQ) are introduced to evaluate stress levels in speech. Further, the relationship between the physical parameters of the two-mass vocal fold model and these two stress level measurements are established to estimate the state of vocal folds in people experiencing stress. In this paper, experiments are performed using stressed speech gathered from real telephone conversations to evaluate the stress level measurement. Results show that SFM is better than NAQ for differentiating stressed from neutral speech. Furthermore, the similar simulation results from physical model were obtained for SFM and NAQ to understand the behavior of vocal folds when stress occurs.
- 2011-06-16
著者
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Takeda Kazuya
Department Of Information Electronics Graduate School Of Engineering Nagoya University
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MIYAJIMA Chiyomi
Department of Computer Science and Engineering, Nagoya Institute of Technology
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KITAOKA Norihide
Department of Media Science, Nagoya University
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Takeda Kazuya
Department Of Media Science Graduate School Of Nagoya University
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Yao Xiao
Department Of Media Science Graduate School Of Nagoya University
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JITSUHIRO Takatoshi
Department of Media Science, Graduate School of Nagoya University
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MIYAJIMA Chiyami
Department of Media Science, Graduate School of Nagoya University
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Miyajima Chiyami
Department Of Media Science Graduate School Of Nagoya University
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Kitaoka Norihide
Department Of Media Science Graduate School Of Nagoya University
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Jitsuhiro Takatoshi
Department Of Media Science Graduate School Of Nagoya University:department Of Media Informatics Aichi University Of Technology
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