2015
DOI: 10.1590/1982-021620151742914
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Uso do programa MDVP em diferentes contextos: revisão de literatura

Abstract: Resumo:Este estudo tem como objetivo descrever, a partir de revisão de literatura, a confiabilidade da análise acústica utilizando o Multi Dimensional Voice Program,comparação de suas medidas com outros programas de análise acústica; caracterização de vozes de diferentes grupos; e sua utilização para verificar os efeitos e eficácia de diferentes procedimentos terapêuticos. Realizou-se levantamento bibliográfico que priorizaram estudos dos últimos cinco anos, incluindo-se artigos cujo objetivo estivesse de acor… Show more

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Cited by 23 publications
(13 citation statements)
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“…Shimmer, a short-term amplitude perturbation, is an involuntary variability of the waveform amplitude, i.e., it represents irregularities in the amplitude of the glottic cycles, from one cycle to another (2) . Shimmer is not as robust as F 0 (1) , however it has reasonable reliability (6) . In addition, the authors from this previous study infer that perturbation measurements are more sensitive to different recording conditions (26) .…”
Section: Discussionmentioning
confidence: 98%
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“…Shimmer, a short-term amplitude perturbation, is an involuntary variability of the waveform amplitude, i.e., it represents irregularities in the amplitude of the glottic cycles, from one cycle to another (2) . Shimmer is not as robust as F 0 (1) , however it has reasonable reliability (6) . In addition, the authors from this previous study infer that perturbation measurements are more sensitive to different recording conditions (26) .…”
Section: Discussionmentioning
confidence: 98%
“…Despite the criticisms regarding the acoustic analysis, specially concerning the lack of precise correlation with the perceptual judgment, its importance is undeniable (6) . Some of the acoustic analysis positive aspects are: help to understand the voice production, generate standardize data, produce voice documentation, follow-up treatment outcome, clinical monitoring of patients ongoing vocal rehabilitation and early detection of voice problems (1,2,6) . Furthermore, it is difficult to determine the etiologies of certain vocal disorders with subjective assessments tools alone, i.e.…”
Section: Introductionmentioning
confidence: 99%
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“…Among the various existing acoustic parameters that characterize voice in the different cycles of life, there are some which stand out, namely: fundamental frequency (F 0 ), short-term perturbation measurements of frequency and amplitude (jitter and shimmer), and noise measurements. These measurements are possible to be analyzed with different software 7, and are frequently used to describe vocal characteristics in different age groups in normal 5,13,14 and/or pathological 12,15 conditions.…”
Section: Introductionmentioning
confidence: 99%
“…A Frequência Fundamental da Voz, ou F0, trata-se do número de ciclos vibratórios das cordas vocais por segundo, tendo como equivalente perceptual o pitch [6]. As pessoas surdas apresentam valores de F0 significativamente alterados [1].…”
Section: Introductionunclassified