Acoustic-articulatory configuration of women with vocal nodules and with healthy voice
Configuração acústico-articulatória das vogais de mulheres com nódulos vocais e vocalmente saudáveis
Fernanda Pereira França; Anna Alice de Almeida; Leonardo Wanderley Lopes
Abstract
Purpose: To analyze the acoustic-articulatory configuration of vowels in women with vocal nodules and with healthy voice. Methods: Twelve women with vocal nodules (EG) and twelve vocally health women (CG) participated of this study. All women recorded vehicle phrases with the vowels /a/, /i/, and /u/ in stress position, preceded and followed by the occlusive consonant /p/: “Digo papa baixinho”, “Digo pipa baixinho”, and “Digo pupa baixinho”. Subsequently, the first three formants (F1, F2, and F3) were extracted from these vowel targets. Results: Between the two groups studied, F1 measures differed for vowels /a/ and /u/, and F2 measures differed for the vowel /a/. Women with vocal nodules showed lower values for these measures compared to vocally healthy women. Patients with vocal nodules showed a smaller interval in F1 and F2 values between vowels /a/, /i/, and /u/ compared to vocally healthy women. Conclusion: Women with vocal nodules show lower F1 and F2 values and lower range of motion of the articulators during vowel production compared to vocally healthy women.
Keywords
Resumo
Objetivo: Analisar a configuração acústico-articulatória das vogais em mulheres com nódulos vocais e vocalmente saudáveis. Método: Participaram do estudo 12 mulheres com nódulos vocais (GE) e 12 vocalmente saudáveis (GC). Todas as mulheres gravaram frases-veículo com as vogais /a/, /i/ e /u/ em posição tônica, sucedidas e precedidas da oclusiva /p/: “Digo papa baixinho”, “Digo pipa baixinho” e “Digo pupa baixinho”. Posteriormente, foram extraídos os três primeiros formantes (F1, F2 e F3) dessas vogais. Resultados: Observou-se diferença nas medidas de F1 para as vogais /a/ e /u/ e F2 para a vogal /a/ entre os dois grupos estudados. Mulheres com nódulos vocais apresentam menor valor dessas medidas em relação às mulheres vocalmente saudáveis. Pacientes com nódulos vocais apresentaram menor intervalo nos valores de F1 e F2 entre as vogais /a/, /i/ e /u/ em relação às mulheres vocalmente saudáveis. Conclusão: Mulheres com nódulos vocais apresentam menores valores de F1 e F2, e menor amplitude de movimentação dos articuladores na produção vocálica em relação às mulheres vocalmente saudáveis
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Referências
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Submetido em:
26/09/2018
Aceito em:
04/04/2019
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