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Effect of Training and Level of External Auditory Feedback on the Singing Voice: Volume and Quality
Journal article   Open access   Peer reviewed

Effect of Training and Level of External Auditory Feedback on the Singing Voice: Volume and Quality

Pasquale Bottalico, Simone Graetzer and Eric J. Hunter
Journal of voice, Vol.30(4), pp.434-442
07/01/2016
DOI: 10.1016/j.jvoice.2015.05.010
PMCID: PMC4713388
PMID: 26186810
url
https://www.ncbi.nlm.nih.gov/pmc/articles/4713388View
Open Access

Abstract

Background. Previous research suggests that classically trained professional singers rely not only on external auditory feedback but also on proprioceptive feedback associated with internal voice sensitivities. Objectives. The Lombard effect and the relationship between sound pressure level (SPL) and external auditory feedback were evaluated for professional and nonprofessional singers. Additionally, the relationship between voice quality, evaluated in terms of singing power ratio (SPR), and external auditory feedback, level of accompaniment, voice register, and singer gender was analyzed. Methods. The subjects were 10 amateur or beginner singers and 10 classically trained professional or semiprofessional singers (10 men and 10 women). Subjects sang an excerpt from the Star-Spangled Banner with three different levels of the accompaniment, 70, 80, and 90 dBA and with three different levels of external auditory feedback. SPL and SPR were analyzed. Results. The Lombard effect was stronger for nonprofessional singers than professional singers. Higher levels of external auditory feedback were associated with a reduction in SPL. As predicted, the mean SPR was higher for professional singers than nonprofessional singers. Better voice quality was detected in the presence of higher levels of external auditory feedback. Conclusions. With an increase in training, the singer's reliance on external auditory feedback decreases.
Audiology & Speech-Language Pathology Life Sciences & Biomedicine Otorhinolaryngology Science & Technology

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