Abstract The directional index of sound sources such as musical instruments is an important input for the current methods of room acoustics simulations. In this article, the uncertainty associated with the directional characteristics of musical instruments across each frequency band. First, the directional factors in third octave bands are estimated from a dataset of measurements…

Abstract The sound strength parameter G is one of the most important objective parameters related to the acoustical quality of concert halls, opera houses, and chamber music hall. G at mid frequencies is highly correlated with the acoustic quality reported by music conductors and subject with musical training. Measuring this parameter requires a calibrated sound…

Presented at the 19th Working Meeting on Information Processing and Control, 2021 Abstract The state of the art on measurements of room acoustics parameters is based on an as omnidirectional as possible sound sources. Although these measurements are still the current standard, criticism regarding the standard directivity tolerance and the suitability of omnidirectional sources has…

Presented at the 23rd International Congress on Acoustics, 2019 Abstract Concave surfaces are know to focalize or diffuse sound depending on the curvature and the source position regarding the surface. Spherical rooms are frequently found as theoretical cases in the literature. In this work, results from models and measurements of the acoustics inside a 7-m-diameters…

Presentado en las IV Jornadas de Comunicación de Proyectos de Investigación y de Creación del Gabinete de Estudios Musicales, 2018 Resumen Desde los inicios de la acústica de salas como una rama científica de la acústica los investigadores del área han desarrollado descriptores acústicos mesurables que puedan estar correlacionados con las características constructivas de las…

Presentado en el XVI Congreso Argentino de Acústica, AdAA 2018. Resumen En acústica de salas suelen usarse dos tipos de descriptores: objetivos y subjetivos. Los subjetivos necesitan de un panel de personas que evalúen las salas mediante la audición. La calida acústica percibida de una sala es un parámetro subjetivo que depende en gran medida…

Presentado en el XV Congreso Argentino de Acústica, AdAA 2017 Resumen Las fórmulas más simples de acústicas de salas son válidas en campo sonoro difuso. ¿Cómo se define un campo sonoro difuso?¿En qué medida son válidas esas fórmulas? Se analizan estas preguntas através de teorías más generales, a su vez explicadas con figuras en lugar…

Presented at the 174th Meeting of the Acoustical Society of America, 2017 Abstract How is an acoustically diffuse field defined? To what extend are valid the equations of diffuse field theory? There are the questions addressed in this presentation. The answers are explained through more general theories, in turn explained with figures instead of formulae.…

Preseted at the Proceedings of Meetings onAcoustic, Acoustical Society of America,2017 Abstract Halls for music performance frequently require the design of acoustic reflectors to redirect the sound waves toward the audience. In order to get adequate reflecting properties the usual criterion is that the surface density be no less than 20 kg/m2. However, this may…