PMID: 9432061Jan 31, 1998Paper

Glottographic signal perturbation in biomechanically different types of dysphonia

The Laryngoscope
E LinD G Hanson

Abstract

Glottographic signals may be superior to acoustic signals for tracking glottal source perturbations, since supraglottal vocal tract effects on glottographic signals are relatively minimal compared with the acoustic signal as measured beyond the lips. This study compared the ability of differing signals to differentiate among normal voices and abnormal voices that were due to two categories of biomechanical disease. Acoustic, electroglottographic, and photoglottographic signals recorded during vowel phonation sustained by 26 normal subjects and 65 patients were measured for perturbations of frequency and amplitude. One-way analysis of variance (ANOVA) revealed that amplitude perturbation measures from photoglottographic signals significantly differentiated neuromuscular from mass lesion sources of dysphonia. Acoustic and electroglottographic signal perturbations differentiated between normal and abnormal voices but did not distinguish between the dysphonic characteristics of neuromuscular disorders and those of mass lesions of the vocal folds.

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Citations

Oct 30, 2009·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Jack J JiangLiang Zhou
Sep 12, 2012·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·K HosokawaH Inohara
Nov 13, 2013·Journal of Voice : Official Journal of the Voice Foundation·Kiyohito HosokawaHidenori Inohara
Apr 16, 2015·Journal of Voice : Official Journal of the Voice Foundation·Kiyohito HosokawaHidenori Inohara
Nov 21, 2001·The Annals of Otology, Rhinology, and Laryngology·G Y Shaw, J P Searl
Oct 15, 1998·Journal of Speech, Language, and Hearing Research : JSLHR·J JiangD G Hanson
Sep 9, 2019·Journal of Voice : Official Journal of the Voice Foundation·Supraja AnandDavid A Eddins
Nov 6, 2018·Journal of Voice : Official Journal of the Voice Foundation·Itsuki KitayamaHidenori Inohara

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