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Assessment of professional singers using laryngeal, respiratory, and airflow measurements
Dins Sumerags1, Nityanand Jain2, Mara Pilmane2
1Department of Otorhinolaryngology, Cesu Klinika Hospital, Cesis, Latvia.
Purpose:
In the pedagogy of classical vocal singing, it can be difficult to determine the human voice fach, especially for the voice of aspiring vocalists. Hence, an objective metric-based system for the determination of the human voice is needed. In the present study, we investigated the anthropological and aerodynamic parameters for 60 professional singers with a professionally confirmed singing range.
Methods:
Amongst the 60 included professional singers, there were ten participants each for sopranos, mezzo-sopranos, altos (female vocal fach), and tenors, baritones, basses (male vocal fach). Airflow measurements were recorded using spirometry whilst anthropological measurements were taken using CT scans. Appropriate statistical analyses were done using the Mann-Whitney U test and Kruskal Wallis H test with post-hoc tests and Bonferroni correction. p < 0.05 was considered statistically significant.
Results:
Soprano singers, who have the highest pitch, were found to be the shortest and least heavy, whilst basses, who have the lowest pitch, were found to be tallest and heaviest amongst the study participants. Furthermore, sopranos had the smallest lung volumes while the basses had the largest lung volumes (raw spirometry measures). However, when normalized ratios were considered, no differences were observed. Finally, laryngeal size showed sexual dimorphism due to developmental changes.
Conclusions:
A mix of anthropological and aerodynamic measurements may be useful to assist singers and vocal pedagogues to assess and determine voice types before the beginning of their vocal studies.
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