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level of naturalness
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  相似匹配句对
     The level of E.
     为探明接种E.
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     level and advanced;
     层次性和先进性的辩证统一;
短句来源
     N-level J-C Model
     N能级J-C模型
短句来源
     The level of ACTh.
     故尚难肯定,这也说明了以A症、征的复杂性。
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     Study on the naturalness of synthetic speech
     合成言语自然度的研究
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  level of naturalness
The intermittent watercourses exhibited a relatively high level of naturalness, because the variable water regime prevents intensive human activity.
      
In this paper, we describe a family of methods for modifying the prosody of natural speech while retaining a high level of naturalness.
      


Recent advances in diphone synthesis have brought about substantial improvements in the voice quality of speech synthesized from the text due to the use of PitchSynchronousOverlapAdd (PSOLA) technology . The technique provides a new approach to modify the pitch , energy and duration of a speech segment in timedomain while retaining a high level of naturalness , and makes it possible to modify the prosody in word or in sentence . This paper studies the PSOLA technolog in detail and investigates Rulesynthesis...

Recent advances in diphone synthesis have brought about substantial improvements in the voice quality of speech synthesized from the text due to the use of PitchSynchronousOverlapAdd (PSOLA) technology . The technique provides a new approach to modify the pitch , energy and duration of a speech segment in timedomain while retaining a high level of naturalness , and makes it possible to modify the prosody in word or in sentence . This paper studies the PSOLA technolog in detail and investigates Rulesynthesis of Chinese based on it.This paper describes the theory of PSOLA in detail and also discusses the spectrum of synthetic signal in narrowband and wideband analysis windows. The pitchmarks play a very important role in speech synthesis in timedomain and decide the naturalness and quality of synthetic speech directly . In order to carry out the PSOLA technique effectively, the paper establishes an accurate and reliable method for locating the pitchmarks . The method includes the improved autocorrelation, Hilbert transformation as well as accurate searching algorithm for determining the instants of maximum excitation. Lots of tests are carried out by using above methods and the results are quite satisfactory.Because Chinese is a tonal language and voice fundamental frequency plays an important role in speech processing , Chinese rulesynthesis system based on the concatenation of speech units requires a prosodic modification algorithm to adjust the prosodic features of the stored speech units to the desired output values . Thus , this paper proposes the statistical model for Chinese lexical tones . In this paper all lexical tones are divided into twenty types using correlation method. In each type the pitch of word is similar to each other . So we can get the average tone to represent the lexical tone of this type. Using this model we give the prosodicrule of word in high quantity.Finally , the paper designs a Chinese speech rulesynthesis system with high naturalness and high intelligibility based on the PSOLA technique , with a Chinese syllable dictionary and a perfect prosodicrule dictionary .

研究了使用基音同步叠加算法(PSOLA),来改变汉语语音的音高、音强和音长,进行汉语语音合成的方法。同时对于其中的主要参数:基音同步标志,则利用了改进的自相关算法、HILBERT变换原理和搜索算法,建立了精确自动确定标志的软件。另外提出了汉语词调的优化统计方法,得出了词调的定量描述规则。最后运用PSOLA算法原理,加上汉语全音节音库和较为完善的韵律规则库,设计了一个较为清晰、自然的汉语语音规则实时合成系统。

From the point of view of level, this article analyzes how the translation should be faithful to the original. Through the analysis of textual level, referential level, cohesive level and level of naturalness, the article illustrates how to solve the practical problems during the process of translation.

从“层次”的角度来分析翻译的忠实性,通过对文本层次、所指层次、粘着层次和自然层次具体的分析,说明了如何解决翻译过程中遇到的实际问题。

 
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