2009
DOI: 10.1590/s1516-18462009005000010
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Influência da largura de banda de formantes na qualidade vocal

Abstract: OBJETIVO: investigar os valores da largura de banda dos três primeiros formantes (B1, B2 e B3) e sua correlação com a análise perceptivo-auditiva da qualidade vocal das emissões orais de indivíduos disfônicos e comparar com o grupo controle. MÉTODOS: o grupo estudado foi representado por amostras de voz e julgamentos perceptivo-auditivos da qualidade vocal do banco de dados do Laboratório Integrado de Análise Acústica e Cognição (LIAAC-PUCSP) de 17 indivíduos do sexo feminino, com idades variadas entre 30 e 65… Show more

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Cited by 8 publications
(9 citation statements)
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“…It may be inferred from these findings that compared to individuals without voice quality deviation, patients with a mild to moderate degree of deviation may implement supraglottic adjustments to compensate for dysfunctional glottic conditions with the presence of increased silent airflow. These findings are consistent with other studies (8)(9)(10)(13)(14)(15) showing that dysphonic patients tend to make adjustments in the vocal tract to compensate for their voice problem.…”
Section: Traditional Acoustic and Formantic Measures In The Discriminsupporting
confidence: 93%
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“…It may be inferred from these findings that compared to individuals without voice quality deviation, patients with a mild to moderate degree of deviation may implement supraglottic adjustments to compensate for dysfunctional glottic conditions with the presence of increased silent airflow. These findings are consistent with other studies (8)(9)(10)(13)(14)(15) showing that dysphonic patients tend to make adjustments in the vocal tract to compensate for their voice problem.…”
Section: Traditional Acoustic and Formantic Measures In The Discriminsupporting
confidence: 93%
“…The increase in F1 values is related to the greater lowering of the oromandibular complex and to oropharyngeal narrowing (6)(7)(8)10,11) . These cited supraglottic adjustments may occur as a compensation for dysfunctional glottic conditions, as a greater degree of jaw opening and pharyngeal narrowing may cause a decrease in auditorily perceived breathiness (27) and increased voice intensity (8)(9)(10)17) . An increase in F1 is also associated with the phonatory effort present in dysphonic patients with muscular tension (14) .…”
Section: Traditional Acoustic and Formantic Measures In The Discriminmentioning
confidence: 99%
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