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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Speech Synthesis Based on a Physiological Articulatory Model
verfasst von : Qiang Fang, Jianwu Dang
Erschienen in: Chinese Spoken Language Processing
Verlag: Springer Berlin Heidelberg
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In this paper, a framework for speech synthesis is proposed to realize the process of speech production of human, which is based on a physiological articulatory model. Within this framework, it begins with given articulatory targets, then muscle activation patterns are estimated according to the targets by accounting for both the equilibrium characteristics and muscle dynamics, consequently, the articulatory model is driven to generate a time-varying vocal tract shape corresponding to the targets by contracting the corresponding muscles. Thereafter, a transmission line model is implemented for the time-varying vocal tract to produce speech sound. At last, a primary experiment is carried out to synthesize the single vowels and diphthongs of Chinese with the physiological articulatory model based synthesizer. The result shows that the spectra of the synthetic sound for single vowels are consistent with those of the real speech, and proper acoustic characteristics are obtained in most cases for diphthongs.