Phonation threshold pressure at large asymmetries of the vocal folds
International audienceThe phonation threshold value of the lung pressure has been interpreted as a measure of ease of phonation and proposed as a diagnostic parameter for vocal health. Therefore, it is important to understand its behavior as a function of laryngeal parameters, particularly in abnormal configurations. This paper compares results from a theoretical model of the vocal folds with measures from a mechanical replica, in the presence of a natural frequency asymmetry. It shows that, at small asymmetry, the threshold pressure increases with the degree of asymmetry, whereas at large asymmetry, the threshold pressure reaches a plateau
[SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph], [PHYS.MECA.ACOU]Physics [physics]/Mechanics [physics]/Acoustics [physics.class-ph]
Publisher: 'Elsevier BV'
DOI identifier: 10.1016/j.bspc.2020.102105
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