Publication: Research - peer-review › Article in proceedings – Annual report year: 2012
A combined model for room acoustic predictions is developed, aiming to treat both diffuse and specular reflections in a unified way. Two established methods are incorporated: acoustical radiosity, accounting for the diffuse part, and the image source method, accounting for the specular part. The model is based on conservation of acoustical energy. Losses are taken into account by the energy absorption coefficient, and the diffuse reflections are controlled via the scattering coefficient, which defines the portion of energy that has been diffusely reflected. The way the model is formulated allows for a dynamic control of the image source production, so that no fixed maximum order is required.
|Title of host publication||Internoise 2012|
|Number of pages||12|
|Conference||41st International Congress and Exposition on Noise Control Engineering|
|City||New York City, NY|
|Period||19/08/12 → 22/08/12|
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