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Loud voice during environmental noise exposure in patients with vocal nodules
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Music Acoustics.ORCID iD: 0000-0002-3362-7518
2007 (English)In: Logopedics, Phoniatrics, Vocology, ISSN 1401-5439, Vol. 32, no 2, 60-70 p.Article in journal (Refereed) Published
Abstract [en]

The aim was to investigate how female patients with vocal nodules use their voices when trying to make themselves heard over background noise. Ten patients with bilateral vocal fold nodules and 23 female controls were recorded reading a text in four conditions, one without noise and three with noise from cafes/pubs, played over loudspeakers at 69, 77 and 85 dBA. The noise was separated from the voice signal using a high-resolution channel estimation technique. Both patients and controls increased voice sound pressure level (SPL), fundamental frequency (F0), subglottal pressure (Ps) and their subjective ratings of strain significantly as a main effect of the increased background noise. The patients used significantly higher Ps in all four conditions. Despite this they did not differ significantly from the controls in voice SPL, F0 or perceived strain. It was concluded that speaking in background noise is a risk factor for vocal loading. Vocal loading tests in clinical settings are important and further development of assessment methods is needed.

Place, publisher, year, edition, pages
2007. Vol. 32, no 2, 60-70 p.
Keyword [en]
fundamental frequency, hyperfunction, phonetogram, sound pressure level, vocal loading, vocal strain, gender-differences, speech, pressure, speakers, therapy
URN: urn:nbn:se:kth:diva-17230DOI: 10.1080/14015430601002408ISI: 000254509600002ScopusID: 2-s2.0-34547123815OAI: diva2:335273
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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