The study deals with mathematical modeling of the vocal fold self-oscillations related to estimation of the so-called output-cost-ratio (OCR), which is computed from the numerically simulated sound pressure level at the glottal level and the impact stress (IS) during vocal folds collision. The dependence of OCR on prephonatory glottal width, fundamental frequency and lung pressure is discussed and partly compared with a modified output cost ratio measured in humans, where the closed quotient is used instead of IS.
Index Terms. Biomechanics of voice, numerical simulation of vocal folds vibration.
Cite as: Horáček, J., Laukkanen, A.-M., Šidlof, P. (2007) Estimation of output-cost–ratio using an aeroelastic model of voice production. Proc. Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA 2007), 105-108
@inproceedings{horacek07_maveba,
author={Jaromír Horáček and A.-M. Laukkanen and P. Šidlof},
title={{Estimation of output-cost–ratio using an aeroelastic model of voice production}},
year=2007,
booktitle={Proc. Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA 2007)},
pages={105--108}
}