A preliminary study of asymmetric vocal fold vibrations: modeling and "in-vitro" validation

Details A preliminary study of asymmetric vocal fold vibrations: modeling and "in-vitro" validation A preliminary study of asymmetric vocal fold vibrations: modeling and "in-vitro" validation

2007-12-07

arxiv.org/abs/0712.1170v1

Dans Proceeding of the International Seminar on Speech Production - 7TH International Seminar on Speech Production, Ubatuba :

Physics

Classical Physics

Scientific paper

This paper deals with some of aspects of the influence of asymmetry on vocal folds vibrations. A theoretical model of vocal fold asymmetry is presented. The influence of asymmetry is quantitatively examined in terms of oscillation frequency and pressure threshold. The theoretical model is compared to "in-vitro" experiment on a deformable replica of vocal folds. It is found that asymmetry strongly influences the oscillation subglottal pressure threshold. Moreover, the vocal fold with the highest mechanical resonance frequency imposes the oscillation fundamental frequency. The influence of geometrical asymmetry instead of purely mechanical asymmetry is shown

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