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Objective Documented Study on Stipulated Target-Tone : Test of Vocal Controllability with the Electromyography Backgroud Mechanism
A study of acoustic analysis and electromyography upon neuro-pathological condition of voice disturbance and normal speakers had been conducted. This study was based on the complaint that dysphonic patients are having difficulties on controlling their voice volitionally and the accuracy for daily verbal communication. The results indicated that voice disturbance wasa related to the increased parameter values extracted on voice analysis and the decreased of the potential action of the Vocalis and Crycothyroid musclis. However, significant changes of vocal controllability was obtained during the high pitch/falsetto voice of the stipulated target tone. The phemenon indicate that when subjects produced stipulated target-tone, the vocal controllability were improved due to the betterment of the muscles action.
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