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External laryngeal frame function in voice production revisited: a review
E Vilkman1, A Sonninen, P Hurme
1Department of Otolaryngology and Phoniatrics, University of Oulu, Finland.
Summary
Extrinsic laryngeal mechanisms significantly impact voice production. This review clarifies their role, simplifying complex physiological data and proposing new pitch control models for better understanding voice.
Area of Science:
- Laryngology
- Speech Science
- Bioacoustics
Background:
- Extrinsic laryngeal mechanisms play a crucial role in voice production.
- Existing theories and experimental data on these external factors require review.
- Potential misinterpretations of physiological variations may complicate laryngeal function understanding.
Purpose of the Study:
- To review major theories on the role of external laryngeal factors in voice production.
- To discuss implications of contemporary findings for modeling extrinsic factors.
- To propose simplified models for extrinsic forces in pitch control.
Main Methods:
- Comprehensive literature review of theories and experimental data.
- Analysis of physiological data and individual variations.
- Synthesis of empirical data into new theoretical models.
Main Results:
- Identified significant, yet often neglected, contributions of extrinsic laryngeal mechanisms.
- Proposed two simplified models for extrinsic forces controlling vocal pitch.
- Highlighted potential overcomplication of laryngeal physiology due to data misinterpretation.
Conclusions:
- Revisiting extrinsic laryngeal factors can simplify understanding of voice production.
- New models offer a clearer perspective on pitch control mechanisms.
- A fundamental principle underlying laryngeal phonation control is suggested.