2002
DOI: 10.1590/s0034-72992002000200005
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Características das vozes roucas, ásperas e normais: análise acústica espectrográfica comparativa

Abstract: Introdução: A avaliação da qualidade vocal pode ser realizada pelos métodos perceptivo auditivo e acústico, e não existem termos padronizados para a sua descrição. Entretanto, dois desses termos merecem atenção quanto aos parâmetros que os distinguem: a aspereza e a rouquidão, ambos denominados genericamente de rouquidão na literatura. Objetivo: Avaliar comparativamente vozes roucas, ásperas e normais por meio da espectrografia. Forma de estudo: Prospectivo clínico randomizado. Material e método: Seis vozes ro… Show more

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Cited by 48 publications
(47 citation statements)
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References 7 publications
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“…This result may be partially assigned to the increase of offered information, besides de complexity of roughness parameter, previously discussed (17,(26)(27)(28) (Table 5). This data corroborates by the similar found associating voice perceptual analysis and physician diagnosis, once there was more difficult to analyze roughness in this task when compared to the first evaluation.…”
Section: Discussionmentioning
confidence: 63%
See 1 more Smart Citation
“…This result may be partially assigned to the increase of offered information, besides de complexity of roughness parameter, previously discussed (17,(26)(27)(28) (Table 5). This data corroborates by the similar found associating voice perceptual analysis and physician diagnosis, once there was more difficult to analyze roughness in this task when compared to the first evaluation.…”
Section: Discussionmentioning
confidence: 63%
“…According to some authors (27) , the R involves roughness concept, crepitating, bitonality, and also harshness, as these authors highlights the difficult in Brazilian reality to fit the deviations related to harshness, factor that is not favored in GRBAS scale. Others authors compared hoarseness, harshness, and normal voices using spectrographic acoustic analysis, pointing out marked differences between those voices (28) . Despite the justification related to the option made in this research, the founding point out to a difficult in distinguishing these terms by the students.…”
Section: Discussionmentioning
confidence: 99%
“…Vocal range is influenced by factors such as age, sex, profession, pathologies and laryngeal surgeries [19][20][21] , and vocal training can maximize tessitura 20,21 . Therefore, considering that one of the principles of science is verifying the effect of a treatment 22 , and that instrumental resources must be carefully used as a complement to clinical diagnosis [22][23][24][25] , it is important to confirm the effect of these associated exercises via instrumental measures in specific populations, as in the present study.…”
Section: Introductionmentioning
confidence: 99%
“…A partir desta avaliação, o especialista pode inferir aspectos da função glótica durante a emissão vocal. Apesar de ser uma avaliação objetiva, o espectrograma necessita da interpretação dos avaliadores para as informações apresentadas por ela 11,12 . A avaliação espectrográfica depende, portanto, de uma análise perceptivo-visual, sofrendo influências da experiência do avaliador.…”
Section: Introductionunclassified