Coeficiente de espalhamento sonoro de painéis perfurados

TL;DRAbstract

Project studios, concert halls, theaters or places that require quality acoustics for musical activities, require studies on its volume, shape and composition of their surfaces, in order to achieve a place that fulfills its function acoustics.In cases where the volume and shape of these rooms are already defined, it is the acoustic designer to define material that will form the surfaces, to ensure the requirements of the acoustic room.Desirable features for the perception of music in space, the sense of involvement of the listener is one of the most important being obtained by the sound scattered by rough surfaces.These surfaces are characterized by a coefficient called scattering coefficient, considered as a material property and used in simulation room acoustics programs.For studying the sound produced by scattering materials that make up the surfaces of room, this research studied perforated acoustic panels to verify that the variation of the irregularities of its surface acoustic s

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