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handle: 10261/7200
[ES] Se consideran y analizan valores de directividad de personas emitiendo palabra hablada obtenidos previamente por del autor y difundidos en forma gráfica. Se discuten aproximaciones polinómicas de estos valores de fácil y cómodo manejo y se analizan funciones de interpolación en planos sagitales de la dirección frontal principal con vistas a obtener resultados verosímiles. La combinación de polinomios aproximantes y funciones de interpolación permiten disponer de los valores de directividad otrora medidos (con dispersiones menores de 0.1 dB) bien adaptados para su uso en modelos numéricos de de propagación de palabra, particularmente en recintos.
[EN] Speech directivity is re-visited from previous data of author giving directivity as continuous functions of angles considered. Analytical approaches by means of polynomials in horizontal and vertical planes are discussed. Interpolating functions in planes transversal to the main frontal direction are analysed regarding likelihood results. This approach is shown to permit a direct and rather easy way of using directivity values in numeric models of room acoustics.
7 pp.-- PACS nrs.: 43.70.Bk, 43.55.-n.-- Comunicación presentada en los siguientes congresos: XXXIV Congreso Nacional de Acústica – TecniAcústica 2003. Encuentro Ibérico de Acústica. EAA Symposium on Architectural Acoustics. Expoacústica 2003 (Bilbao, 15-17 Octubre 2003).
Publicado en número especial de la Revista de Acústica: Vol. 34, núm. 3-4 (2003).
Peer reviewed
Numeric models, Directividad de emisión, Speech directivity, Modelos numéricos, Room acoustics, Acústica de recintos
Numeric models, Directividad de emisión, Speech directivity, Modelos numéricos, Room acoustics, Acústica de recintos
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