Detection and Synthesis of Transition Parts of The Speech Signal 


Vol. 33,  No. 3, pp. 234-239, Mar.  2008


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  Abstract

For the efficient coding and transmission, the speech signal can be classified into three distinctive classes: voiced, unvoiced, and transition classes. At low bit rate coding below 4 kbit/s, conventional sinusoidal transform coders synthesize speech of high quality for the purely voiced and unvoiced classes, whereas not for the transition class. The transition class including plosive sound and abrupt voiced-onset has the lack of periodicity, thus it is often classified and synthesized as the unvoiced class. In this paper, the efficient algorithm for the transition class detection is proposed, which demonstrates superior detection performance not only for clean speech but for noisy speech. For the detected transition frame, phase information is transmitted instead of magnitude information for speech synthesis. From the listening test, it was shown that the proposed algorithm produces better speech quality than the conventional one.

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  Cite this article

[IEEE Style]

M. Y. Kim, "Detection and Synthesis of Transition Parts of The Speech Signal," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 3, pp. 234-239, 2008. DOI: .

[ACM Style]

Moo Young Kim. 2008. Detection and Synthesis of Transition Parts of The Speech Signal. The Journal of Korean Institute of Communications and Information Sciences, 33, 3, (2008), 234-239. DOI: .

[KICS Style]

Moo Young Kim, "Detection and Synthesis of Transition Parts of The Speech Signal," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 3, pp. 234-239, 3. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880