Ventricular-Fold Dynamics in Human Phonation Purpose In this study, the authors aimed (a) to provide a classification of the ventricular-fold dynamics during voicing, (b) to study the aerodynamic impact of these motions on vocal-fold vibrations, and (c) to assess whether ventricular-fold oscillations could be sustained by aerodynamic coupling with the vocal folds. Method ... Research Article
Research Article  |   August 2014
Ventricular-Fold Dynamics in Human Phonation
 
Author Affiliations & Notes
  • Lucie Bailly
    Aix Marseille Université, CNRS, Centrale Marseille, IRPHE UMR 7342, 13384, Marseille, France
  • Nathalie Henrich Bernardoni
    GIPSA-lab (CNRS, Grenoble INP, University of Grenoble), Grenoble, France
  • Frank Müller
    University Medical Center Hamburg-Eppendorf, Hamburg, Germany
  • Anna-Katharina Rohlfs
    University Medical Center Hamburg-Eppendorf, Hamburg, Germany
  • Markus Hess
    University Medical Center Hamburg-Eppendorf, Hamburg, Germany
  • Disclosure: The authors have declared that no competing interests existed at the time of publication.
    Disclosure: The authors have declared that no competing interests existed at the time of publication. ×
  • Correspondence to Lucie Bailly: lucie.bailly@irphe.univ-mrs.fr
  • Editor: Jody Kreiman
    Editor: Jody Kreiman×
  • Associate Editor: Scott Thomson
    Associate Editor: Scott Thomson×
  • © American Speech-Language-Hearing Association
Article Information
Speech, Voice & Prosody / Speech / Research Articles
Research Article   |   August 2014
Ventricular-Fold Dynamics in Human Phonation
Journal of Speech, Language, and Hearing Research, August 2014, Vol. 57, 1219-1242. doi:10.1044/2014_JSLHR-S-12-0418
History: Received January 7, 2013 , Revised June 16, 2013 , Accepted December 28, 2013
 
Journal of Speech, Language, and Hearing Research, August 2014, Vol. 57, 1219-1242. doi:10.1044/2014_JSLHR-S-12-0418
History: Received January 7, 2013; Revised June 16, 2013; Accepted December 28, 2013
Web of Science® Times Cited: 1

Purpose In this study, the authors aimed (a) to provide a classification of the ventricular-fold dynamics during voicing, (b) to study the aerodynamic impact of these motions on vocal-fold vibrations, and (c) to assess whether ventricular-fold oscillations could be sustained by aerodynamic coupling with the vocal folds.

Method A 72-sample database of vocal gestures accompanying different acoustical events comprised high-speed cinematographic, audio, and electroglottographic recordings of 5 subjects. Combining the physiological correlates with a theoretical model of phonation, the vocal–ventricular aerodynamic interactions were investigated.

Results A ventricular-fold motion is found during (de)crescendos, shout, throat singing, yodel, growls, and glides with transitions between registers. Three main types of dynamics are identified: slow nonoscillatory motion and fast oscillatory motion with aperiodical or periodical vibrations. These patterns accompany a change in voice quality, pitch, and/or intensity. Alterations of glottal-oscillatory amplitude, frequency, and contact were predicted. It is shown that a ventricular oscillation can be initiated and sustained by aerodynamic coupling with the vocal folds.

Conclusions Vocal–ventricular aerodynamic interactions can alter, enhance, or suppress vocal-fold vibrations or leave them unchanged, depending on the ventricular-fold dynamics involved. Depending on its variation in time, a similar level of ventricular-fold adduction impacts the glottal vibratory magnitude and contact much differently.

Acknowledgments
We gratefully acknowledge the French Ministry of Research and Education, which supported this research through a PhD grant, and the European COST Action 2103 Advanced Voice Function Assessment for travel funds. We would like to thank all the subjects for their valuable help during the experimental procedure. We would also like to thank Joe Wolfe for his suggestions on this work.
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