A Navier–Stokes solution of laryngeal flow during vocal fold oscillations
نویسندگان
چکیده
منابع مشابه
Laryngeal ultrasound and pediatric vocal fold nodules.
OBJECTIVES/HYPOTHESIS The term vocal fold nodules refers to bilateral thickening of the membranous folds with minimal impairment of the vibratory properties of the mucosa. Nodules are thought to be related to repetitive mechanical stress, associated with voice use patterns. Diagnosis is typically made in the office via either rigid or flexible laryngeal stroboscopy. Depending on the individual ...
متن کاملInteraction of vocal fold and vocal tract oscillations
We study the mechanical feedback coupling between the human vocal folds and vocal tract (VT) by simulating fundamental frequency glides over the lowest VT resonance. In the classical source– filter theory of speech production, the vocal folds produce a signal which is filtered by the resonator, vocal tract without any feedback. We have developed a computational model of the vocal folds and the ...
متن کاملModal locking between vocal fold and vocal tract oscillations
The human vocal folds are known to interact with the vocal tract acoustics during voiced speech production; namely a nonlinear sourcefilter coupling has been observed both by using models and in in vivo phonation. These phenomena are approached from two directions in this article. We first present a computational dynamical model of the speech apparatus that contains an explicit filter-source fe...
متن کاملHigh-speed Laryngeal Imaging Analysis of Vocal Fold Dynamics
High-speed laryngeal Imaging (HSLI) provides a direct means to observe the actual vibration of the vocal folds and allows for comprehensive analyses of vocal fold dynamics in normal and abnormal voice productions. Glottal edge detection is a key operation for tracing vibrations of the vocal folds at spatial locations and obtaining glottal area waveform (GAW) from the HSLI data. We have develope...
متن کاملPrognostic value of laryngeal electromyography in vocal fold paralysis.
OBJECTIVE To analyze the value of electromyography in predicting recovery from acute neurogenic vocal fold paralysis. STUDY DESIGN Prospective case series. SETTING University-based hospital of otorhinolaryngology-head and neck surgery. PATIENTS Ninety-eight patients (56 women, with a mean age of 62.2 years; 42 men, with a mean age of 39.8 years) with 111 paralyzed vocal folds. The causes ...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1994
ISSN: 0001-4966
DOI: 10.1121/1.410660