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Perceptual Judgment of Voice Quality in Nondysphonic French Speakers: Effect of Task-, Speaker- and Listener-Related Variables.

Authors
  • Delvaux, Véronique1
  • Pillot-Loiseau, Claire2
  • 1 FNRS & Institut de Recherche en Sciences et Technologies du Langage (IRSTL), UMONS, Mons, Belgium. Electronic address: [email protected] , (Belgium)
  • 2 Laboratoire de Phonétique et Phonologie (LPP), UMR 7018 CNRS/ILPGA, Université Paris 3 Sorbonne Nouvelle, Paris, France. , (France)
Type
Published Article
Journal
Journal of voice : official journal of the Voice Foundation
Publication Date
Sep 01, 2020
Volume
34
Issue
5
Pages
682–693
Identifiers
DOI: 10.1016/j.jvoice.2019.02.013
PMID: 30922738
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Several perceptual scales have been developed to assess voice quality in dysphonic voices, among which the Grade Roughness Breathiness Asthenia Strain and a Rate of Dysphonia scale is probably the most frequently used. However, this clinical tool has not been properly validated with a normophonic population yet. The aim of the present study was to provide a first set of reference data gathered from a normal population, to serve as a basis of comparison for vocologists and laryngologists working with French-speaking patients. A second goal was to investigate the influence on this normal voice dataset, of variables known to affect perceptual judgments of pathological voice. Sustained vowels and sentences produced by 80 healthy, normophonic French native speakers were perceptually assessed by a panel of 18 raters (nine students, nine experts) using the Grade Roughness Breathiness Asthenia Strain and a Rate of Dysphonia scale. The average overall grade was close to 1 on the (0 to 3) scale, questioning the notion of "normal" voice as opposed to dysphonic voice. Rating reliability as well as perceptual scores were affected by task-, speaker-, and listener-related factors: speech stimuli led to better rating reliability and were judged less severely than voice stimuli; experts were slightly more reliable and less severe than students; older speakers were unanimously considered as more dysphonic. Multiple interactions between these factors were observed, confirming the multidimensional nature of voice quality. Copyright © 2019 The Voice Foundation. Published by Elsevier Inc. All rights reserved.

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