The first official resource on Estill Voice Training available to the general public, this book explores the scientific foundation of the Estill Voice Model with basic anatomy & physiology for each Figure, translation of the Estill terminology for the artist and clinician, and significance for vocal living and performance. With sources from world-renowned voice researchers and Jo Estill herself, this book is an essential part of any voice library.
True Vocal Folds: Body-Cover Control: The 'body-cover theory' of vocal fold structure was introduced by Hirano in 1977.[38] This figure demonstrates the controlled use of the vocal folds in four body-cover configurations: on the thick edge, on the thin edge, in a stiff mode, or in a slack mode.[29][8][39] These body-cover configurations change or modify the vibratory modes of the true vocal folds and, within the dynamical system of the human voice, effect the intensity of the sound produced and contribute to what are commonly labeled as the different human vocal registers.[40] This figure was formerly known as vocal fold mass.[7][2]
[PDF] The Estill Voice Model: Theory and Translation
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