A 3D biomechanical vocal tract model to study speech production control: How to take into account the gravityReportar como inadecuado




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1 ICP - Institut de la communication parlée 2 GMCAO TIMC-IMAG - Techniques de l-Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications Grenoble

Abstract : This paper presents a modeling study of the way speech motor control can deal with gravity to achieve steady-state tongue positions. It is based on simulations carried out with the 3D biomechanical tongue model developed at ICP, which is now controlled with the Lambda model Equilibrium-Point Hypothesis. The influence of short-delay orosensory feedback on posture stability is assessed by testing different muscle force-muscle length relationships Invariant Characteristics. Muscle activation patterns necessary to maintain the tongue in a schwa position are proposed, and the relations of head position, tongue shape and muscle activations are analyzed.

Keywords : speech production biomechanical model tongue





Autor: Stéphanie Buchaillard - Pascal Perrier - Yohan Payan -

Fuente: https://hal.archives-ouvertes.fr/



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