2004
DOI: 10.1016/s0022-460x(03)00493-0
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Spectral quality of acoustic predictions obtained by the ray method in coupled two-dimensional damped cavities

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Cited by 2 publications
(3 citation statements)
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“…The ray method, so widely known for room acoustics in the years around 1960/90 [5], has been revisited over the last ten years or so for its use in vehicle passengers' space, with the sound field descriptions in the audible medium frequency range in view [6,7]. Concerning the algorithmic procedure, improvements carried out by previous authors in two different directions are helpful [4,8,9]: one is called ray-tracing, the other virtual image sources, and their history shows that they were developed quite simultaneously.…”
Section: -Introductionmentioning
confidence: 99%
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“…The ray method, so widely known for room acoustics in the years around 1960/90 [5], has been revisited over the last ten years or so for its use in vehicle passengers' space, with the sound field descriptions in the audible medium frequency range in view [6,7]. Concerning the algorithmic procedure, improvements carried out by previous authors in two different directions are helpful [4,8,9]: one is called ray-tracing, the other virtual image sources, and their history shows that they were developed quite simultaneously.…”
Section: -Introductionmentioning
confidence: 99%
“…Validity (for "lighting" the domain) and visibility (of the receiver point) tests reduce hugely the number of images and a proximity test restricts their number by limiting the acceptable distance between the images and the receiver point. Nonconvex domains need an obstruction test [9] or call for another approach [7,10]. The algorithm is precise in giving the rays leaving the source and propagating to the receiver, but distinguishing the useful sources from the potential ones is a heavy task and moreover it is difficult here to take 4 diffusion into account.…”
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confidence: 99%
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