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KMID : 1004320210320020087
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Journal of the Korean Society of Logopedics and Phoniatrics
2021 Volume.32 No. 2 p.87 ~ p.93
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Two Cases Using the Praat-Based Automatic Voice Analysis Program as an Alternative to CSL
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Kang Young-Ae
Chang Jae-Won
Koo Bon-Seok
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Abstract
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There are a number of voice analysis programs around the world. Domestic voice analysis is performed by relying heavily on specific commercial program. We intend to develop coding for voice analysis using Praat and apply it to clinical practice. This study consisted of Experiment 1 and Experiment 2. Experiment 1 was the development of automated voice analysis coding based on Praat. The coding was largely divided into a recording, an analysis, and a storage section. Experiment 2 was applied to the voice analysis of 2 male patients pre- and post-operation with this coding. The analysis parameters of this coding provided 26 parameters for vowel /a/, nine parameters for sentence analysis, and a total of 4 parameters for voice range profile analysis. In two male patients, the pitch and the intensity increased, the voice quality improved, and the sentence length decreased after surgery. The coding was well made, so the output was good in real time. The code is automated as much as possible to block manual errors and increases convenience and efficiency by generating the result sheet in real time.
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KEYWORD
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Automatic voice analysis program, Praat, Vowel, Sentence, Voice range profile
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