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篇名
An HNM Based Scheme for Synthesizing Mandarin Syllable Signal
作者 Hung-Yan Gu (Hung-Yan Gu)Yan-Zuo Zhou (Yan-Zuo Zhou)
中文摘要
In this paper, an HNM based scheme is developed to synthesize Mandarin syllable signals. With this scheme, a Mandarin syllable can be recorded just once, and diverse prosodic characteristics can be synthesized for it without suffering significant signal-quality degradation. In our scheme, a synthetic syllable’s duration is subdivided to its comprising phonemes and a piece-wise linear mapping function is constructed. With this mapping function, a control point on a synthetic syllable can be mapped to locate its corresponding analysis frames. Then, the analysis frames’ HNM parameters are interpolated to obtain the HNM parameters for the control point. Furthermore, for pitch-height adjusting, another timbre-preserving interpolation is performed on the HNM parameters of a control point. Thereafter, signal samples are synthesized according to the HNM synthesis equations rewritten here. This HNM based scheme has been programmed to synthesize Mandarin speech. According to the perception tests, our HNM based scheme is found to be apparently better than a PSOLA based scheme in signal clarity, i.e. much clearer and no reverberation.
起訖頁 327-341
關鍵詞 Speech SynthesisHarmonic-plus-noise ModelVoice TimbrePitch Contour
刊名 中文計算語言學期刊  
期數 200809 (13:3期)
出版單位 中華民國計算語言學學會
該期刊-上一篇 Question Analysis and Answer Passage Retrieval for Opinion Question Answering Systems
該期刊-下一篇 Improved Minimum Phone Error based Discriminative Training of Acoustic Models for Mandarin Large Vocabulary Continuous Speech Recognition
 

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