Characterizing respiratory aerosol emissions during sustained phonation

Objective To elucidate the role of phonation frequency (i.e., pitch) and intensity of speech on respiratory aerosol emissions during sustained phonations. Methods Respiratory aerosol emissions are measured in 40 (24 males and 16 females) healthy, non-trained singers phonating the phoneme /a/ at seve...

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Bibliographic Details
Published in:Journal of exposure science & environmental epidemiology 2022-09, Vol.32 (5), p.689-696
Main Authors: Ahmed, Tanvir, Rawat, Mahender Singh, Ferro, Andrea R., Mofakham, Amir A., Helenbrook, Brian T., Ahmadi, Goodarz, Senarathna, Dinushani, Mondal, Sumona, Brown, Deborah, Erath, Byron D.
Format: Article
Language:English
Subjects:
Aerosols
Biomechanics
Data analysis
Diameters
Emission measurements
Emissions
Epidemiology
Frequency
Goodness of fit
Medicine
Medicine & Public Health
Outliers (statistics)
Particle production
Particle size
Phonation
Regression analysis
Regression models
Size distribution
Statistical analysis
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Summary:Objective To elucidate the role of phonation frequency (i.e., pitch) and intensity of speech on respiratory aerosol emissions during sustained phonations. Methods Respiratory aerosol emissions are measured in 40 (24 males and 16 females) healthy, non-trained singers phonating the phoneme /a/ at seven specific frequencies at varying vocal intensity levels. Results Increasing frequency of phonation was positively correlated with particle production ( r  = 0.28, p  
ISSN:1559-0631
1559-064X
DOI:10.1038/s41370-022-00430-z