Abstract
Glottal volume velocity and glottal transconductance are simulated with a computer model of the vocal folds. The simulated glottal transconductance is shown to be a facsimile of electroglottographic and ultrasonic waveforms recorded by other investigators. The control parameters of the model are cricothyroid contraction, thyroarytenoid contraction, subglottal pressure, and contraction of the primary adductor-abductors. A variety of glottal waveforms are generated by different combinations of these control parameters, demonstrating quantitatively the effects of contracting laryngeal muscles on voice production. We note that the primary mechanical links between neuromuscular control and acoustic out-put are laryngeal configuration and viscoelastic tissue properties. Qualitative (perceptual) effects of simulated phonation bear this out.
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