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Observations of the Relationship Between Noise Exposure and Preschool Teacher Voice Usage in Day-Care Center Environments
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2011 (English)In: Journal of Voice, ISSN 0892-1997, E-ISSN 1557-8658, Vol. 25, no 2, 166-172 p.Article in journal (Refereed) Published
Abstract [en]

Although the relationship between noise exposure and vocal behavior (the Lombard effect) is well established, actual vocal behavior in the workplace is still relatively unexamined. The first purpose of this study was to investigate correlations between noise level and both voice level and voice average fundamental frequency (F-0) for a population of preschool teachers in their normal workplace. The second purpose was to study the vocal behavior of each teacher to investigate whether individual vocal behaviors or certain patterns could be identified. Voice and noise data were obtained for female preschool teachers (n = 13) in their workplace, using wearable measurement equipment. Correlations between noise level and voice level, and between voice level and F-0, were calculated for each participant and ranged from 0.07 to 0.87 for voice level and from 0.11 to 0.78 for F-0. The large spread of the correlation coefficients indicates that the teachers react individually to the noise exposure. For example, some teachers increase their voice-to-noise level ratio when the noise is reduced, whereas others do not.

Place, publisher, year, edition, pages
2011. Vol. 25, no 2, 166-172 p.
Keyword [en]
Vocal behavior, Noise exposure, Voice level, Voice intensity, Fundamental frequency, Teacher voice, Occupational voice
URN: urn:nbn:se:kth:diva-31860DOI: 10.1016/j.jvoice.2009.09.009ISI: 000288143900006ScopusID: 2-s2.0-79951941936OAI: diva2:408341
QC 20110404Available from: 2011-04-04 Created: 2011-03-28 Last updated: 2012-03-21Bibliographically approved

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Ternström, Sten
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Music Acoustics
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