Acoustic Perturbation Measures Improve with Increasing Vocal Intensity in Individuals With and Without Voice Disorders

Journal of Voice : Official Journal of the Voice Foundation
Meike Brockmann-BauserDaryush D Mehta

Abstract

In vocally healthy children and adults, speaking voice loudness differences can significantly confound acoustic perturbation measurements. This study examines the effects of voice sound pressure level (SPL) on jitter, shimmer, and harmonics-to-noise ratio (HNR) in adults with voice disorders and a control group with normal vocal status. This is a matched case-control study. We assessed 58 adult female voice patients matched according to approximate age and occupation with 58 vocally healthy women. Diagnoses included vocal fold nodules (n = 39, 67.2%), polyps (n = 5, 8.6%), and muscle tension dysphonia (n = 14, 24.1%). All participants sustained the vowel /a/ at soft, comfortable, and loud phonation levels. Acoustic voice SPL, jitter, shimmer, and HNR were computed using Praat. The effects of loudness condition, voice SPL, pathology, differential diagnosis, age, and professional voice use level on acoustic perturbation measures were assessed using linear mixed models and Wilcoxon signed rank tests. In both patient and normative control groups, increasing voice SPL correlated significantly (P < 0.001) with decreased jitter and shimmer, and increased HNR. Voice pathology and differential diagnosis were not linked to systematically...Continue Reading

Citations

Feb 6, 2019·Logopedics, Phoniatrics, Vocology·Elina KankareAnne-Maria Laukkanen
Apr 30, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Marília SampaioMeike Brockmann-Bauser
Jan 17, 2019·Logopedics, Phoniatrics, Vocology·Angélique RemacleMarc de Bodt
Nov 25, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Matthias EchternachMarie-Anne Kainz
Jun 5, 2019·Journal of Voice : Official Journal of the Voice Foundation·Tom de HoopHidenori Inohara
Dec 21, 2019·Journal of Voice : Official Journal of the Voice Foundation·Meike Brockmann-BauserDaryush D Mehta
Oct 5, 2019·Journal of Voice : Official Journal of the Voice Foundation·Maryam FahamSirpa Pirilä
May 1, 2021·Journal of Voice : Official Journal of the Voice Foundation·Ahmed A Mohammed, Ahmed Nagy
Dec 31, 2019·Journal of Voice : Official Journal of the Voice Foundation·Marília Carvalho SampaioMeike Brockmann-Bauser
Jun 13, 2021·Journal of Voice : Official Journal of the Voice Foundation·Vanessa de Oliveira FlorencioLeonardo Wanderley Lopes
Jul 22, 2021·The Laryngoscope·Victoria S McKennaRenee L Gustin
Jul 29, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Rita R Patel, Sten Ternström
Jul 7, 2020·Otolaryngologia polska. The Polish otolaryngology·Bożena Kosztyła-HojnaJolanta Biszewska
Oct 22, 2018·Journal of Voice : Official Journal of the Voice Foundation·Ketaki Vasant PhadkeJan G Švec

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