A mechanical experimental setup to simulate vocal folds vibrations. Preliminary results

Details A mechanical experimental setup to simulate vocal folds vibrations. Preliminary results A mechanical experimental setup to simulate vocal folds vibrations. Preliminary results

2007-10-23

arxiv.org/abs/0710.4286v1

Zas Papers in Linguistics (2005) 162-175

Physics

Classical Physics

Scientific paper

This paper contributes to the understanding of vocal folds oscillation during phonation. In order to test theoretical models of phonation, a new experimental set-up using a deformable vocal folds replica is presented. The replica is shown to be able to produce self sustained oscillations under controlled experimental conditions. Therefore different parameters, such as those related to elasticity, to acoustical coupling or to the subglottal pressure can be quantitatively studied. In this work we focused on the oscillation fundamental frequency and the upstream pressure in order to start (on-set threshold) either end (off-set threshold) oscillations in presence of a downstream acoustical resonator. As an example, it is shown how this data can be used in order to test the theoretical predictions of a simple one-mass model.

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