2023
DOI: 10.3390/app132413197
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Effect of Subglottic Stenosis on Expiratory Sound Using Direct Noise Calculation

Biao Geng,
Qian Xue,
Scott Thomson
et al.

Abstract: Subglottic stenosis (SGS) is a rare yet potentially life-threatening condition that requires prompt identification and treatment. One of the primary symptoms of SGS is a respiratory sound that is tonal. To better understand the effect of SGS on expiratory sound, we used direct noise calculation to simulate sound production in a simplified axisymmetric configuration that included the trachea, the vocal folds, the supraglottal tract, and an open environmental space. This study focused on flow-sustained tones and… Show more

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