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https://codas.org.br/article/doi/10.1590/2317-1782/e20250325pt
CoDAS
Artigo Original

Medidas aerodinâmicas em cantores nas frequências habituais, graves e agudas

Aerodynamic measurements in singers at usual, low, and high frequencies

Dâmaris Poliana Lacerda Vieira; Viviane Souza Bicalho Bacelete; Bárbara Pereira Lopes; Patrícia de Freitas Lopes Genilhú; Ana Cristina Côrtes Gama

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Resumo

Objetivo: Analisar as medidas aerodinâmicas nas frequências habituais, graves e agudas em homens e mulheres cantores sem alterações vocais. Método: Trata-se de uma pesquisa do tipo observacional analítica transversal. Participaram da pesquisa 30 homens e 30 mulheres cantores, com idade entre 19 e 48 anos. Foi realizada a medida dos parâmetros aerodinâmicos de pressão aérea, fluxo de ar expirado e vozeado, volume expiratório, potência e resistência aerodinâmica, impedância acústica e eficiência aerodinâmica por meio da emissão da sílaba /pá/ por sete vezes consecutivas em frequências habituais, graves e agudas em intensidade habitual. Resultados: As modificações nas medidas aerodinâmicas durante a emissão de diferentes frequências da voz foram mais evidentes em cantores do sexo masculino. Cantores homens apresentaram, nas emissões agudas, maiores valores de pico de pressão aérea, resistência aerodinâmica, impedância acústica e eficiência aerodinâmica enquanto que as mulheres cantoras apresentaram maiores valores de eficiência aerodinâmica na emissão habitual, seguida das emissões agudas. Conclusão: A variação de frequência fundamental na voz provoca maiores modificações nos parâmetros aerodinâmicos nos homens cantores. As mulheres cantoras apresentaram maiores valores de eficiência aerodinâmica na emissão habitual.

Palavras-chave

Acústica; Música; Canto; Respiração; Voz

Abstract

Purpose: To analyze aerodynamic measurements at habitual, low, and high frequencies in male and female singers without vocal changes. Methods: This is a cross-sectional, analytical, observational study with 30 male and 30 female singers, aged 19 to 48 years. Aerodynamic parameters such as air pressure, expired and voiced airflow, expiratory volume, power and aerodynamic resistance, acoustic impedance, and aerodynamic efficiency were measured by emitting the syllable /pá/ seven consecutive times at usual intensity and usual, low, and high frequencies. Results: Modifications in aerodynamic measurements during the emission of different vocal frequencies were more evident in male singers. They had higher values of peak air pressure, aerodynamic resistance, acoustic impedance, and aerodynamic efficiency in high-pitched emissions, while female singers had higher values of aerodynamic efficiency in usual emissions, followed by high-pitched emissions. Conclusion: The variation in fundamental frequency of the voice causes greater changes in aerodynamic parameters in male singers. Female singers had higher values of aerodynamic efficiency in usual voice production.

Keywords

Acoustics; Music; Singing; Respiration; Voice

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Submetido em:
02/09/2025

Aceito em:
16/10/2025

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