Document Detail


The effect of anchor voices and visible speech in training in the GRABS scale of perceptual evaluation of dysphonia.
MedLine Citation:
PMID:  22153964     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: Perceptual evaluation of voice quality remains a key standard for judgment of vocal impairment. The GRABS method has become a commonly-used scale for rating severity of dysphonia, but it has no published, standardised protocol to follow. Training is important for reaching good interrater agreement for its parameters; however, the references most often cited for the GRABS provide no guidelines for clinical administration, speech material or rating calibration. This study investigated the effect of anchors (standard reference voices) and visible speech (narrow band spectrogram) in training non-expert professionals in the GRABS method. MATERIAL & METHODS: Four inexperienced listeners evaluated 107 recorded pathological voices using the GRABS scale in 2 separate sessions; at first, without a visible spectrogram and then, 6 months later, with anchors and a narrow band spectrogram as additional information. RESULTS: The results show that anchors and visible speech helped to improve the reliability of G, B, A and S parameters. Interrater agreement according to k statistics was significantly stronger with the addition of spectrographic information for rating breathiness and strain. DISCUSSION: This study found that non-expert listeners showed significant improvement after training with external anchors (standard reference voices) and a narrow band spectrogram.
Authors:
Faustino Núñez-Batalla; Juan Pablo Díaz-Molina; Isabel García-López; Adriana Moreno-Méndez; María Costales-Marcos; Carla Moreno-Galindo; Pablo Martínez-Camblor
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-6
Journal Detail:
Title:  Acta otorrinolaringologica espanola     Volume:  -     ISSN:  1988-3013     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  14540260R     Medline TA:  Acta Otorrinolaringol Esp     Country:  -    
Other Details:
Languages:  ENG; SPA     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier España, S.L. All rights reserved.
Affiliation:
Servicio de ORL, Hospital Universitario Central de Asturias, Oviedo, España.
Vernacular Title:
El espectrograma de banda estrecha como ayuda para el aprendizaje del método GRABS de análisis perceptual de la disfonía.
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