Poster (Scientific congresses and symposiums)
Voice Impact of a Prolonged Reading Task at two Intensity Levels
Remacle, Angélique; FINCK, Camille; Roche, Anne et al.
201140th Annual Symposium: Care of the professional Voice
Peer reviewed
 

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Keywords :
vocal load; output level; acoustic measurements
Abstract :
[en] The purpose of this study is to evaluate the impact on voice of both duration and intensity level of 2 hours of continuous oral reading. Fifty normophonic women undergo two sessions of voice loading in which the required intensity level of voice varied: 60-65 dB(A) for the first session, and 70-75 dB(A) for the second session. Serial voice quality objective data is obtained every 30 minutes during the oral reading tasks, by use of Multi-Dimensional Voice program (Average fundamental frequency (AvF0), Jitter percent (Jitt), Shimmer percent (Shim), Noise-to-Harmonic Ratio (NHR)). Serial measurements of voice range are also carried out every 30 minutes of the oral reading tasks, by use of the voice range profile. Results indicate that AvF0, lowest frequency of voice range and softest output of phonation rise during prolonged oral reading. On the contrary, Jitt tends to decrease and Shim decreases significantly with the passage of time during the voice loading. NRH does not vary statistically. AvF0 and highest outpout of phonation are the only parameters influenced by the required intensity of oral reading task: they are significantly higher in the 70-75 dB session compared to the 60-65 dB session.
Disciplines :
Otolaryngology
Author, co-author :
Remacle, Angélique  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Logopédie des troubles de la voix
FINCK, Camille ;  UMons, FPSE > Service ORL, CHU Sart tilman, Liège
Roche, Anne
Morsomme, Dominique  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Logopédie des troubles de la voix
Language :
English
Title :
Voice Impact of a Prolonged Reading Task at two Intensity Levels
Publication date :
02 June 2011
Event name :
40th Annual Symposium: Care of the professional Voice
Event organizer :
The Voice Foundation
Event place :
Philadelphia, United States
Event date :
June 1 - 5, 2011
Audience :
International
Peer reviewed :
Peer reviewed
Available on ORBi :
since 16 July 2011

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