Acoustic, aerodynamic, and vibrational effects of ventricular folds adduction in an ex vivo experiment.

ABSTRACT:

Objectives

The excessive adduction of ventricular folds has been observed in patients with dysphonia and professional singers. Whether these changes in the ventricular folds are the cause or just a result of disease progression remains unclear, and their potential pathological and physiological implications are yet to be determined. This study aimed to examine the impact of different degrees of ventricular adduction on acoustics, aerodynamics, and vocal fold vibration.

Methods

The excised models of mild and severe ventricular adduction were established. We recorded the vibration pattern of vocal folds and ventricular folds and measured acoustic metrics, including fundamental frequency (F0), Jitter, Shimmer, harmonic-to-noise ratio (HNR), and sound pressure level (SPL). Furth

SUBMITTER: Xiao Z 

PROVIDER: S-EPMC11382537 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature