منابع مشابه
Inducing vocal register transition in an in vivo evoked phonation canine model.
BACKGROUND AND PURPOSE The nature of vocal registers is still a subject of controversy. The purpose of this study was to demonstrate the induction of timbre transition of vocal register in an in vivo evoked phonation canine model and thereby confirm vocal register transition as a laryngeal event. MATERIALS A canine midbrain stimulation evoked phonation model was used in this study. To repeat ...
متن کاملPhysical mechanisms of phonation onset: a linear stability analysis of an aeroelastic continuum model of phonation.
In an investigation of phonation onset, a linear stability analysis was performed on a two-dimensional, aeroelastic, continuum model of phonation. The model consisted of a vocal fold-shaped constriction situated in a rigid pipe coupled to a potential flow which separated at the superior edge of the vocal fold. The vocal fold constriction was modeled as a plane-strain linear elastic layer. The d...
متن کاملFinite element model of the human phonation process
The basis of the human phonation process is given by complex interaction of air flow in the larynx together with structural mechanics of the vocal folds. This paper presents a numerical scheme to model the fluid-solid interaction in the human larynx and its resulting acoustic sound. The scheme is utilised to simulated the phonation process in a 2D-model. Different geometries of the vocal folds ...
متن کاملPressur&Flow Relationship in a Biophysical Model of Phonation
Simulation data are presented from a computer model that combines vocal fold tissue mechanics, laryngeal aerodynamics, and vocal tract acoustics. These simulations are based upon the laws of physics that govern aiflow, vibration of the vocal folds, and wave propagation in the vocal tract, The model has been used to demonstrate self-oscillatory characteristics of the vocal folds and the flow pat...
متن کاملPhonation threshold flow measurements in normal and pathological phonation.
OBJECTIVES/HYPOTHESIS Phonation threshold flow (PTF) may provide a tool to assess laryngeal function and could differentiate between normal and pathological voices. Both polyps and nodules contribute to an increased PTF by creating an incomplete glottal closure and increased vocal fold mass and thickness. STUDY DESIGN Prospective study. METHODS The Kay Elemetrics Phonatory Aerodynamic Syste...
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ژورنال
عنوان ژورنال: Annals of Otology, Rhinology & Laryngology
سال: 2009
ISSN: 0003-4894,1943-572X
DOI: 10.1177/000348940911800109