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KMID : 0917519980040020017
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Journal of Speech Sciences
1998 Volume.4 No. 2 p.17 ~ p.24
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Diagnosis of Pathological Speech Signals Using Wavelet Transform
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Jo Cheol-Woo
Kim Dae-Hyun
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Abstract
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In this paper a method to diagnose pathological voices using wavelet transform is sug gested. Pathological voices are collected from hospital and analyzed by the suggested method. Normal voices are collected separately and analyzed. Then the results are compared to find the differences in their characteristics. Three level wavelet transform is use. Normalized energy ratios between the levels and normalized peak-to-peak values are used as parameters. As a result, it was possible to distinguish between normal and pathological voices.
keyword : wavelet, diagnosis, pathological speech
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