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Hidden Markov Convolutive Mixture Model for Pitch Contour Analysis of Speech INTERSPEECH 2012 Kota Yoshizato, Hirokazu Kameoka, Daisuke Saito, Shigeki.

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Presentation on theme: "Hidden Markov Convolutive Mixture Model for Pitch Contour Analysis of Speech INTERSPEECH 2012 Kota Yoshizato, Hirokazu Kameoka, Daisuke Saito, Shigeki."— Presentation transcript:

1 Hidden Markov Convolutive Mixture Model for Pitch Contour Analysis of Speech INTERSPEECH 2012 Kota Yoshizato, Hirokazu Kameoka, Daisuke Saito, Shigeki Sagayama Graduate School of Information Science and Technology, The University of Tokyo NTT Communication Science Laboratories, NTT Corporation Speaker: HsiaoTsung Hung

2 Outline Original Fujisaki Model Stochastic Model of Speech F0 Contours Parameter Optimization Process Experiment

3 Original Fujisaki Model

4 中文的短句句調 或 短語語調 中文的字調 Reference: “Modeling the Effects of Emphasis and Question on Fundamental Frequency Contours of Cantonese Utterances”

5 Original Fujisaki Model Dirac deltas Rectangular pulses Second-order critically damped filters Second-order critically damped filters

6

7 Stochastic Model of Speech F0 Contours

8 a2 P0 a2 a1 a3 a0 a2 a1 a3 P1 a1 a2 a3 a1 a3

9

10 Stochastic Model of Speech F0 Contours

11 Ideal noise

12 Parameter Optimization Process EM algorithm

13 Experiment

14 Training set: 200 sentences Testing set: 305 sentences *Init: non-statistical method

15


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