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Related Experiment Video

Updated: May 1, 2026

Synthetic, Multi-Layer, Self-Oscillating Vocal Fold Model Fabrication
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Vocal fold dynamics for frequency change.

Harry Hollien1

  • 1Institute for the Advanced Study of the Communicative Processes, University of Florida, Gainesville, Florida.

Journal of Voice : Official Journal of the Voice Foundation
|April 15, 2014
PubMed
Summary
This summary is machine-generated.

This study explains how vocal fold changes alter voice frequency (Δf0) in the modal register. Findings support the aerodynamic-myoelastic theory of phonation by linking vocal fold dimensions to frequency shifts.

Keywords:
Aerodynamic-myoelastic theoryFrequency changeFundamental frequencyLaryngeal sizeModal registerPhonationSubglottic pressureVocal fold dynamicsVocal fold lengthVocal fold massVocal fold thicknessVocal folds

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Area of Science:

  • Laryngology
  • Acoustic phonetics
  • Biomechanics of voice production

Background:

  • Understanding vocal fold dynamics is crucial for voice production.
  • The modal register is the typical speaking voice range.
  • Previous research explored factors influencing voice frequency.

Purpose of the Study:

  • To review experimental data on frequency change (Δf0) in the modal register.
  • To demonstrate the role of laryngeal size, vocal fold dimensions, and subglottic pressure.
  • To present new data on the effect of these factors on vocal fold mass.

Main Methods:

  • Review of existing experimental data on laryngeal and vocal fold parameters.
  • Analysis of the relationship between laryngeal size, vocal fold length, thickness, and subglottic pressure.
  • Measurement of vocal fold mass and its correlation with frequency shifts.

Main Results:

  • Changes in laryngeal size, vocal fold length, and thickness directly influence frequency shifts (Δf0).
  • Subglottic pressure plays a significant role in modulating vocal fold dynamics.
  • Vocal fold mass can be effectively measured through these dimensional changes.

Conclusions:

  • The interplay of laryngeal and vocal fold dimensions explains frequency modulation in the modal register.
  • The findings provide a quantitative basis for understanding vocal fold mass.
  • This research strongly supports the aerodynamic-myoelastic theory of phonation.