Presentation 2006/7/14
Identification of size-modulated vowel sequences and temporal characteristics of the size extraction process
Chihiro TAKESHIMA, Minoru TSUZAKI, Toshio IRINO,
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Abstract(in English) We can identify vowels pronounced by any speaker, although he or she has different length of the vocal tract. At the same time, we can discriminate the difference of length of vocal tract. To simulate these abilities, a computational model has been proposed in which the size information is extracted and separated from the shape information In this paper, we investigated the temporal characteristic of this extracting process of the size information. In the first experiment, listeners were required to identify the size-modulated vowel sequences. The results showed deterioration of the performance for the rapid modulation. This deterioration could be explained by hypothesizing that a rapid change of size of the vocal tract causes the stream segregation. In the second experiment, listeners judged whether a target vowel exist or not in the sequences. The observed tendency also supported the segregation hypothesis.
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Keyword(in English) size-modulated vowel sequences / size information / shape information / temporal characteristics / stream segregation
Paper # SP2006-29
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Committee SP
Conference Date 2006/7/14(1days)
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Registration To Speech (SP)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Identification of size-modulated vowel sequences and temporal characteristics of the size extraction process
Sub Title (in English)
Keyword(1) size-modulated vowel sequences
Keyword(2) size information
Keyword(3) shape information
Keyword(4) temporal characteristics
Keyword(5) stream segregation
1st Author's Name Chihiro TAKESHIMA
1st Author's Affiliation Guraduate school of Music, Kyoto City University of Arts()
2nd Author's Name Minoru TSUZAKI
2nd Author's Affiliation Guraduate school of Music, Kyoto City University of Arts:ATR Spoken Language Communication Research Labs
3rd Author's Name Toshio IRINO
3rd Author's Affiliation Department of Design Information Sciences, Wakayama University
Date 2006/7/14
Paper # SP2006-29
Volume (vol) vol.106
Number (no) 178
Page pp.pp.-
#Pages 5
Date of Issue