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Effects of stress and speaking rate ...

Nitisaroj, Rattima.

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Effects of stress and speaking rate on duration and tone in Thai.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Effects of stress and speaking rate on duration and tone in Thai./
Author:	Nitisaroj, Rattima.
Description:	291 p.
Notes:	Adviser: Elizabeth C. Zsiga.
Contained By:	Dissertation Abstracts International67-09A.
Subject:	Language, Linguistics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3230996
ISBN:	9780542852749

Effects of stress and speaking rate on duration and tone in Thai.
Nitisaroj, Rattima.

Effects of stress and speaking rate on duration and tone in Thai. - 291 p.

Adviser: Elizabeth C. Zsiga.

Thesis (Ph.D.)--Georgetown University, 2006.

Both stress and rate were found to have significant effects on duration. The greater degree of stress, the longer the syllable is, and the faster the rate, the shorter the syllable. A formula is proposed to calculate durations based on moras.

ISBN: 9780542852749Subjects--Topical Terms:

1018079
Language, Linguistics.

Effects of stress and speaking rate on duration and tone in Thai.
LDR:03027nam 2200325 a 45 001 970544
005 20110921
008 110921s2006 eng d
020 $a 9780542852749
035 $a (UMI)AAI3230996
035 $a AAI3230996
040 $a UMI $c UMI
100 1 $a Nitisaroj, Rattima. $3 1294582
245 1 0 $a Effects of stress and speaking rate on duration and tone in Thai.
300 $a 291 p.
500 $a Adviser: Elizabeth C. Zsiga.
500 $a Source: Dissertation Abstracts International, Volume: 67-09, Section: A, page: 3381.
502 $a Thesis (Ph.D.)--Georgetown University, 2006.
520 $a Both stress and rate were found to have significant effects on duration. The greater degree of stress, the longer the syllable is, and the faster the rate, the shorter the syllable. A formula is proposed to calculate durations based on moras.
520 $a This dissertation investigates the phonetic properties of Thai syllables and tones in primary-, secondary-, and unstressed positions at fast, normal, and slow rates of speech, and explores implications of the results for phonological theory and for speech synthesis.
520 $a Ten speakers of Thai read sentences containing target syllables in the initial position of phrases, compounds, and disyllabic words (total of 1860 tokens). Durations of vowel and final consonant were measured, as well as pitch (F0) values at eleven points space throughout the syllable rhyme. F0 values were normalized, and six properties were computed: average F0 height, highest F0 value, lowest F0 value, excursion size, highest F0 location, and lowest F0 location.
520 $a Speaking rate did not produce any significant main effects on any of the pitch measures, indicating that rate does not effect the realization of tone. Stress did have a significant effect on tone realization: primary-stressed syllables were found to have a larger tonal excursion size than others. In bimoraic syllables, the five-way tonal contrast is maintained regardless of change in stress or rate. A combination of acoustic properties can be used to distinguish among the five tones. In monomoraic syllables, a two-way distinction between high and non-high tones was found.
520 $a The present results contribute to both phonological theory and speech synthesis. Thai is argued to have three levels of stress, distinguished by duration and tonal properties. The phonetic results also support moraic representations of syllables and tones (Moren and Zsiga 2006). In addition, a /H/ vs. /empty/ opposition is proposed for tones in monomoraic syllables. For speech synthesis, an economical rule system is created to generate appropriate durational and F0 values for the specified stress condition and selected speed.
590 $a School code: 0076.
650 4 $a Language, Linguistics. $3 1018079
650 4 $a Language, Modern. $3 1018098
690 $a 0290
690 $a 0291
710 2 0 $a Georgetown University. $3 1017582
773 0 $t Dissertation Abstracts International $g 67-09A.
790 $a 0076
790 1 0 $a Zsiga, Elizabeth C., $e advisor
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3230996