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KMID : 1022420180100040121
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Phonetics and Speech Sciences
2018 Volume.10 No. 4 p.121 ~ p.125
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Voice quality transform using jitter synthesis
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Jo Cheol-Woo
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Abstract
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This paper describes procedures of changing and measuring voice quality in terms of jitter. Jitter synthesis method was applied to the TD-PSOLA analysis system of the Praat software. The jitter component is synthesized based on a Gaussian random noise model. The TD-PSOLA re-synthesize process is used to synthesize the modified voice with artificial jitter. Various vocal jitter parameters are used to measure the change in quality caused by artificial systematic jitter change. Synthetic vowels, natural vowels and short sentences are used to check the change in voice quality through the synthesizer model. The results shows that the suggested method is useful for voice quality control in a limited way and can be used to alter the jitter component of voice.
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KEYWORD
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jitter, TD-PSOLA, resynthesis, voice quality
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