Volume 4 Number 4 (Aug. 2012)
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IJCEE 2012 Vol.4(4): 532-536 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.551

An Investigation on Speech Perception Under Effects of Coarticulation

Trung-Nghia Phung, Mai Chi Luong, and Masato Akagi
Abstract—In this paper, we investigated the speech perception under effects of coarticulation within syllables, including estimating the nuclei and coarticulated transition intervals of phonemes, and investigating the perception of nuclei and coarticulated transition intervals of phonemes within syllables. To complete these objectives, we firstly proposed the folded spectral transition measure to estimate the boundary points between the nuclei interval and coarticulated transition intervals. Then, we conducted experiments to investigate the syllable identification and syllable quality evaluation under effects of coarticulation. The experimental results show that human can identify the syllables with the retaining intervals equal or wider the coarticulated transition intervals. Besides, the experimental results show that the nuclei intervals are still important for speech quality perception; the quality of truncated syllables retaining the two phoneme nucleus and coarticulated transition interval between the two phonemes within syllable is equivalent with the quality of original two-phoneme syllables.

Index Terms—Coarticulation, speech perception, spectral transition measure.

Trung-Nghia Phung and Masato Akagi are with the Japan Advanced Institute of Science and Technology, Ishikawa, Japan (e-mail: ptnghia@ jaist.ac.jp, akagi@jaist.ac.jp).
Mai Chi Luong is with the Vietnam Institute of Information Technology, Hanoi, Vietnam (e-mail: lcmai@ioit. ac.vn).

Cite: Trung-Nghia Phung, Mai Chi Luong, and Masato Akagi, "An Investigation on Speech Perception Under Effects of Coarticulation," International Journal of Computer and Electrical Engineering vol. 4, no. 4, pp. 532-536, 2012.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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