Using Start/End Timings of Spectral Transitions Between Phonemes in Concatenative Speech Synthesis


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Title:	Using Start/End Timings of Spectral Transitions Between Phonemes in Concatenative Speech Synthesis
Authors:	Toshio Hirai Seiichi Tenpaku Kiyohiro Shikano
Issue Date:	Sep-2002
Start page:	2357
End page:	2360
Abstract:	The definition of "phoneme boundary timing" in a speech corpus affects the quality of concatenative speech synthesis systems. For example, if the selected speech unit is not appropriately match to the speech unit of the required phoneme environment, the quality may be degraded. In this paper, a dynamic segment boundary defi- nition is proposed. In the definition, the concatenation point is chosen from the start or end timings of spectral transition depending on the phoneme environment at the boundaries. For a listening test to compare the naturalness of conventional/proposed methods, 100 Japanese place names were selected randomly and synthesized. The ratio of naturalness was 1 to 3.3 (conventional v.s. proposed) by four subjects.
Description:	ICSLP2002: the 7th International Conference on Spoken Language Processing , September 16-20, 2002, Denver, Colorado, USA.
URI:	http://hdl.handle.net/10061/8109
Rights:	Copyright 2002 ISCA
Text Version:	Publisher
Appears in Collections:	情報科学研究科 / Graduate School of Information Science

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