Efeito de emissões âncoras de vozes sintetizadas na avaliação perceptivo-auditiva da voz
Effect of synthesized voice anchors on auditory-perceptual voice evaluation
Priscila Campos Martins dos Santos, Maurílio Nunes Vieira, João Pedro Hallack Sansão, Ana Cristina Côrtes Gama
Resumo
Objetivo: Analisar se a utilização de emissões âncoras de vozes sintetizadas na avaliação perceptivo-auditiva melhora a concordância intra e interavaliador. Método: Trata-se de um estudo de natureza quantitativa. Foram selecionados 32 avaliadores inexperientes que realizaram, em um aplicativo criado pelos autores, duas atividades: Atividade Calibrador Ativo – avaliação perceptivo-auditiva dos parâmetros rugosidade e soprosidade como 0-ausência de desvio, 1-desvio leve, 2-desvio moderado ou 3-desvio intenso de 25 vozes com o apoio de emissões âncoras de vozes sintetizadas; e Atividade Calibrador Inativo – avaliação perceptivo-auditiva dessas mesmas vozes sem o apoio de emissões vocais âncoras. As vozes foram aleatorizadas em cada atividade, e a ordem de realização das atividades foi sorteada para cada avaliador, sendo que a segunda atividade foi realizada 15 dias após a primeira. Para análise da concordância intra e interavaliadores foi utilizado o coeficiente Kappa, e para comparação entre as concordâncias foi utilizado o intervalo de confiança (IC). Resultados: A concordância interavaliadores foi maior para o grau intenso do parâmetro soprosidade na Atividade Calibrador Ativo quando comparada à Atividade Calibrador Inativo, assim como a concordância intra-avaliadores do parâmetro rugosidade. Conclusão: O uso de emissões âncoras de vozes sintetizadas diretamente na avaliação melhora a concordância intra e interavaliadores na análise perceptivo-auditiva da voz.
Palavras-chave
Abstract
Purpose: To analyze if the use of synthesized voice anchor emissions in auditory-perceptual evaluation improves intra- and inter-rater agreement. Methods: This is a quantitative study. Thirty-two inexperienced evaluators were selected and performed two activities on a Programming Interface created by the authors: Active Calibrator Activity — auditory-perceptual evaluation of the roughness and breathiness parameters as 0–no deviation, 1–slight deviation, 2–moderate deviation, or 3–intense deviation of 25 voices with the support of anchored emissions of synthesized voices; and Inactive Calibrator Activity — auditory-perceptual evaluation of these same voices without the support of anchored vocal emissions. The voices were randomized for each activity, and the order of the activities was drawn randomly for each evaluator. The second activity was performed 15 days after the first. The Kappa coefficient was used to analyze intra- and inter-rater agreement, and the confidence interval (CI) was employed to compare concordances. Results: Inter-rater agreement was higher for the intense degree of the breathiness parameter in the Active Calibrator Activity when compared to the Inactive Calibrator Activity, as well as the intra-rater agreement of the roughness parameter. Conclusion: Use of anchor emissions of synthesized voices directly in the evaluation improves intra- and inter-rater agreement in auditory-perceptual voice analysis.
Keywords
Referências
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Submetido em:
18/08/2019
Aceito em:
25/03/2020
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