Original Research

Experiments on the elasticity of the vocal cords

P. H. Damsté, G. H. Wieneke
South African Journal of Communication Disorders | Journal of the South African Speech and Hearing Association: Vol 20, No 1 | a404 | DOI: https://doi.org/10.4102/sajcd.v20i1.404 | © 2019 P. H. Damsté | This work is licensed under CC Attribution 4.0
Submitted: 16 November 2016 | Published: 31 December 1973

About the author(s)

P. H. Damsté, Afdeling Foniatrie, Universiteits KNO-Kliniek, Netherlands
G. H. Wieneke, Afdeling Foniatrie, Universiteits KNO-Kliniek, South Africa

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Abstract

Regulation of vocal pitch occurs by changes in the length and tension of the vocal folds. Because the Young's modulus of the vocal cord ligament could be a factor which determines the difference between male and female voices, this was made an object of research. No differences could be shown. Some of the problems and the limited accuracy of these experiments are reviewed.

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