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Updated: Apr 15, 2026
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Published on: December 1, 2023
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Vocal Assessment Before, After, and the Day After Opera Performance
Monica McHenry1, Joseph Evans2, Eric Powitzky3
1Department of Communication Sciences and Disorders, University of Houston, Houston, Texas.
Summary
Opera singers experience aerodynamic and laryngeal changes post-performance. Vocal rest may aid recovery, as suggested by acoustic, aerodynamic, and perceptual measures.
Area of Science:
- Vocal performance science
- Laryngeal physiology
- Acoustic analysis
Background:
- Opera singers undergo significant vocal demands during performances.
- Understanding physiological changes is crucial for vocal health and performance longevity.
Purpose of the Study:
- To investigate aerodynamic, acoustic, and laryngeal alterations in opera singers.
- To correlate objective measures with subjective vocal quality assessments.
Main Methods:
- Prospective study assessing singers before, immediately after, and one day post-performance.
- Collected aerodynamic (airflow, subglottal pressure, laryngeal resistance) and acoustic (sound pressure level) data.
- Utilized laryngeal stroboscopy and expert listener judgments of voice quality.
Main Results:
- Laryngeal stroboscopy indicated allergy symptoms in male singers; vocal fold edges remained unchanged.
- Increased airflow and reduced laryngeal resistance were observed in male singers with sustained vocal quality.
- Singers who rested their voices post-performance showed improved aerodynamic measures.
Conclusions:
- A comprehensive approach using acoustic, aerodynamic, and perceptual measures is recommended for vocal performance analysis.
- Vocal rest following performance appears beneficial for singer recovery.
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