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This paper proposes a variant of decision tree (DT) for HMM-based speech synthesis. We call it Extended Decision Tree with OR Relationship (EDTOR). A leaf node in conventional DT is uniquely reached by answering a series of yes/no questions starting from its root node until the leaf node. Thus the decision condition for deciding whether the acoustic parameters of a context label belong to a certain...
Expressive speech synthesis has recently received much attention. Stress is one key issue which may improve the expressiveness of the synthetic speech. However, rare work was done in Mandarin stress prediction and expression. This paper presents a HMM-based expressive speech synthesis system which supports Mandarin stress synthesis. Mandarin stress was automatically predicted with textual features...
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