Impact of vocal load on breathiness: Perceptual evaluation

Abstract Objectives. To evaluate the impact on voice of 2 hours of continuous oral reading. Methods. Fifty normophonic women underwent two sessions of voice loading in which the required intensity level varied: 60–65 dB(A) for the first session, and 70–75 dB(A) for the second session. Ten expert judges evaluated the breathiness of one sentence recorded before and after each loading session. Pairs of stimuli were presented randomly to the judges, who were asked to designate the breathiest sample. Results. A significant decrease in breathiness was observed following both sessions, suggesting an improvement of voice subsequent to loading. When comparing the two intensity levels, no difference was found for breathiness after vocal loading.

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