“调素”论与普通话合成自然度的提高

“Tonal Element" Theory and the Improvement of Naturalness in Chinese Text to Speech Synthesis

文献 [1 ]中的“边缘调素脱落论”提出了音步内各音节合成时边缘调素脱落的一般规律 ,其规律较好地揭示了两字词和三字词的轻重音分布原则和连续变调的现象 ;本文在此基础上 ,进一步提出了音步间各音步合成时的“边缘调素脱落论” ,该规律揭示了四字以上词的“调素”脱落规则以及轻重音分布原则 ,通过该规律的应用 ,提高了句子合成的自然度。

The rule of peeling off edge tonal element in syllable concatenation within a sound foot,presented in“edge tonal element peeling theory' [1] ,can be used to explain the stress principle on two syllable and three syllable words and the phenomenon of tone sandhi.In this paper a new rule of peeling off tonal element in sound foot concatenation is further developed.It is effective to explain the stress principle and the edge tonal element peeling principle on four seven syllable words successfully as well as two syllable and three syllable words.The use of our developed rule can successfully improve the naturalness in Chinese Text to Speech Synthesis.