A biomechanical laryngeal model of voice F0 and glottal width control

The Journal of the Acoustical Society of America
G R Farley

Abstract

A simplified mathematical model of the larynx, based on biomechanical principles, is described. Components represented include cartilages (cricoid, thyroid, arytenoids, and corniculates), muscles (thyroarytenoid [TA], cricothyroid pars rectus [CTR], cricothyroid pars oblique [CTO], posterior cricoarytenoid [PCA], lateral cricoarytenoid [LCA], and transverse arytenoid [TrA]), ligaments (cricoarytenoid [CAL], anterior cricothyroid [ACTL], posterior cricothyroid [PCTL], and vocal ligaments [VL]), and subglottal pressure (PS). Model outputs included equilibrium positions of cartilages, the glottal width, and the estimated fundamental frequency (F0) of vocal fold vibration. Major findings were that TA, CTR, CTO, and TrA all had substantial effects on F0: that PCA caused glottal opening by rotating the arytenoids laterally; that LCA both ventrolaterally translated and medially rotated the arytenoids, producing minimal effects on glottal closure; and that TrA had major effects on glottal closure by dorsomedially translating and medially rotating the arytenoids. The effects of LCA and PCA were generally diminished as activation of other muscles was increased. Muscle activation plots (MAPs) were used to study the effects of independent ...Continue Reading

Citations

Dec 29, 2000·Journal of Voice : Official Journal of the Voice Foundation·F Alipour, R C Scherer
Sep 25, 2007·Computer Methods in Biomechanics and Biomedical Engineering·Andreas GömmelArno Grunendahl
Feb 28, 2002·The Journal of the Acoustical Society of America·Maurílio N VieiraMervyn A Jack
Apr 23, 2004·The Journal of the Acoustical Society of America·Eric J HunterFariborz Alipour
Sep 23, 2014·The Journal of the Acoustical Society of America·Simeon L Smith, Eric J Hunter
Sep 23, 2014·The Journal of the Acoustical Society of America·Dinesh K ChhetriDavid A Berry
Feb 23, 2012·The Journal of the Acoustical Society of America·Dinesh K ChhetriDavid A Berry
Dec 2, 2010·The Journal of the Acoustical Society of America·Cara E SteppJames T Heaton
Jan 3, 2012·Journal of Voice : Official Journal of the Voice Foundation·Pinaki Bhattacharya, Thomas H Siegmund
Jan 19, 2012·The Laryngoscope·Shengguo ChenMing Zhang
Aug 17, 2005·Journal of Voice : Official Journal of the Voice Foundation·Fariborz AlipourNiro Tayama
Dec 5, 2016·The Journal of the Acoustical Society of America·Jun Yin, Zhaoyan Zhang
May 5, 2021·The Journal of the Acoustical Society of America·Yi Xu, Anqi Xu

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