• Journal of Internet Computing and Services
    ISSN 2287 - 1136 (Online) / ISSN 1598 - 0170 (Print)
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A Study on Multi-Pulse Speech Coding Method by using Selected Information in a Frequency Domain


Lee See-Woo, Journal of Internet Computing and Services, Vol. 7, No. 4, pp. 57-66, Aug. 2006
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Keywords: speech signal processing, Speech Coding, Frequency Domain

Abstract

In this paper, I propose a new method of Multi-Pulse Speech Coding(FBD-MPC: Frequency Band Division MPC) by using TSIUVC(Transition Segment Including UnVoiced Consonant) searching, extraction and approximation-synthesis method in a frequency domain. As, a result. the extraction rates of TSIUVC are 84.8%(plosive), 94.9%(fricative) and 92.3%(affricative) in female voice, 88%(plosive), 94.9%(fricative) and 92.3%(affricative) in male voice respectively. Also, I obtain a high quality approximation-synthesis waveforms within TSIUVC by using frequency information of 0.547kHz below and 2.813kHz above. I evaluate MPC by using switching information of voiced/unvoiced and FBD-MPC by using switching information of voiced/Silence/TSIUVC. As, a result, I knew that synthesis speech of FBD-MPC was better in speech quality than synthesis speech of the MPC.


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Cite this article
[APA Style]
See-Woo, L. (2006). A Study on Multi-Pulse Speech Coding Method by using Selected Information in a Frequency Domain. Journal of Internet Computing and Services, 7(4), 57-66.

[IEEE Style]
L. See-Woo, "A Study on Multi-Pulse Speech Coding Method by using Selected Information in a Frequency Domain," Journal of Internet Computing and Services, vol. 7, no. 4, pp. 57-66, 2006.

[ACM Style]
Lee See-Woo. 2006. A Study on Multi-Pulse Speech Coding Method by using Selected Information in a Frequency Domain. Journal of Internet Computing and Services, 7, 4, (2006), 57-66.