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KMID : 0917520010080030149
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Journal of Speech Sciences
2001 Volume.8 No. 3 p.149 ~ p.157
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Speech Signal Processing for Analysis of Chaos Pattern
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Abstract
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Based on the chaos theory, a new method of presentation of speech signal has been presented in this paper. This new method can be used for pattern matching such as speaker recognition. The expressions of attractors are represented very well by the logistic maps that show the chaos phenomena. In the speaker recognition field, a speaker´s vocal habit could be a very important matching parameter. The attractor configuration using change value of speech signal can be utilized to analyze the influence of voice undulations at a point on the vocal loudness scale to the next point. The attractors arranged by the method could be used in research fields of speech recognition because the attractors also contain unique information for each speaker.
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