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Normative Speech Data in Professional Opera Singers- A Retrospective Study.
Andrew Tawfik1, Nicholas Cha1, Imke Kissel2
1Drexel University College of Medicine, Philadelphia, PA, US.
Journal of Voice : Official Journal of the Voice Foundation
|March 30, 2021
Summary
Professional opera singers exhibit distinct voice parameters compared to general population norms. This study found singers had lower jitter and noise-to-harmonic ratio, and females had higher shimmer, suggesting unique vocal characteristics.
Area of Science:
- Vocal acoustics
- Speech-language pathology
- Performing arts medicine
Background:
- Singers, as a distinct population, often display different voice parameters than non-singers.
- Voice pathologies are more common in singers, necessitating singer-specific normative data for accurate diagnosis and treatment evaluation.
Purpose of the Study:
- To compare objective voice parameters of professional opera singers against established KAYPENTAX CSL normative values.
- To identify potential differences in vocal characteristics between elite singers and the general population.
Main Methods:
- Retrospective review of medical records from elite opera conservatory students undergoing baseline voice evaluations.
- Objective voice measurements were collected using the KAYPENTAX CSL (Computerized Speech Lab) protocol by certified speech-language pathologists.
- Collected data (mean, standard deviation, median, range) were compared with KAYPENTAX CSL normative values.
Main Results:
- Twenty-seven students (11 female, 16 male, ages 21-29) were analyzed.
- Significant differences were observed between singers' voice parameters and KAYPENTAX CSL norms.
- Male singers showed significantly lower jitter, relative average perturbation, and noise-to-harmonic ratio. Female singers exhibited significantly higher shimmer percent.
Conclusions:
- Elite opera singers may possess unique normative voice parameters that differ from general population data.
- Further research is required to validate these findings and explore normative values in singers across various genres.
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