2009
DOI: 10.1159/000252851
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Objective Acoustic Analysis of Pathological Voices from Patients with Vocal Nodules and Polyps

Abstract: Objective: We aim to examine the abilities of objective acoustic analysis methods (nonlinear dynamic and traditional perturbation measures) to describe voices from individuals with vocal nodules and polyps. Subjects and Methods: Sustained vowel recordings from normal subjects, patients with vocal nodules, and patients with vocal polyps were analyzed. Perturbation measures of jitter and shimmer were obtained with the Multi-Dimensional Voice Program (MDVP) and CSpeech. Signal-to-noise ratio was calculated using … Show more

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Cited by 52 publications
(36 citation statements)
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“…In addition, data from disordered speakers are needed to determine if glottal kinematics can be aligned with the acoustic signal. As previous research indicates, 41,42 voice disorders may result in aperiodic signals that would make it difficult to determine voicing onset from the acoustic wave. These obstacles need to be evaluated and overcome to be able to apply the current data in clinical practice.…”
Section: Discussionmentioning
confidence: 98%
“…In addition, data from disordered speakers are needed to determine if glottal kinematics can be aligned with the acoustic signal. As previous research indicates, 41,42 voice disorders may result in aperiodic signals that would make it difficult to determine voicing onset from the acoustic wave. These obstacles need to be evaluated and overcome to be able to apply the current data in clinical practice.…”
Section: Discussionmentioning
confidence: 98%
“…The actual correlation dimension is then estimated by searching, in a given radius interval, for the local slope with the smallest standard deviation and calculating the mean. D2 has previously been used to describe the irregularity of audio signals from patients with unilateral laryngeal paralysis in contrast to healthy subjects [27] or of patients who have undergone surgery [28] due to vocal fold polyps. …”
Section: Methodsmentioning
confidence: 99%
“…RAHN et al, 2007;SCALASSARA et al, 2009;JIANG et al, 2009;MACCALLUM et al, 2009;DAJER, 2010;ARIAS-LONDOÑO et al, 2011;YAN et al, 2011 …”
Section: Médiaunclassified