A Study on a Searching, Extraction and Approximation-Synthesis of Transition Segment in Continuous Speech


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 7, No. 4, pp. 1299-1304, Apr. 2000
10.3745/KIPSTE.2000.7.4.1299,   PDF Download:

Abstract

In a speed coding system using excitation source of voiced and unvoiced, it would be involved a distortion of speech quality in case coexist with a voiced and an unvoiced consonants in a frame. So, I propose TSIUVC(Transition Segment Including UnVoiced Consonant) searching, extraction ad approximation-synthesis method in order to uncoexistent with a voiced and unvoiced consonants in a frame. This method based on a zerocrossing rate and pitch detector using FIR-STREAK Digital Filter. As a result, the extraction rates of TSIUVC are 84.8% (plosive), 94.9%(fricative), 92.3%(affricative) in female voice, and 88%(plosive), 94.9%(fricative), 92.3%(affricative) in male voice respectively, Also, I obain a high quality approximation-synthesis waveforms within TSIUVC by using frequency information of 0.547kHz below and 2.813kHz above. This method has the capability of being applied to speech coding of low bit rate, speech analysis and speech synthesis.


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Cite this article
[IEEE Style]
S. W. Lee, "A Study on a Searching, Extraction and Approximation-Synthesis of Transition Segment in Continuous Speech," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 4, pp. 1299-1304, 2000. DOI: 10.3745/KIPSTE.2000.7.4.1299.

[ACM Style]
See Woo Lee. 2000. A Study on a Searching, Extraction and Approximation-Synthesis of Transition Segment in Continuous Speech. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 4, (2000), 1299-1304. DOI: 10.3745/KIPSTE.2000.7.4.1299.