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The Digital Waveguide Mesh (DWM) method for room acoustic simulation has been introduced in the last years to solve sound propagation problems numerically. However, the huge computer power needed in the modeling of large rooms and the complexity to incorporate realistic boundary conditions has delayed their general use, being restricted to the validation of theoretical concepts using simple and small rooms. This paper presents a complete DWM implementation that includes a serious treatment of boundary conditions, and it is able to cope with different materials in very large rooms up to reasonable frequencies. A simulation of a real large building modeled with a high degree of precision has been carried out and the obtained results are presented and analyzed in detail.
Author (s): López, José J.; Escolano, José; Pueo, Basilio
Affiliation:
Technical University of Valencia; University of Jaen; University of Alicante;
(See document for exact affiliation information.)
AES Convention: 123
Paper Number:7189
Publication Date:
2007-10-06
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Session subject:
Acoustic Modeling
Permalink: https://aes2.org/publications/elibrary-page/?id=14247
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López, José J.; Escolano, José; Pueo, Basilio; 2007; Simulation of Complex and Large Rooms Using a Digital Waveguide Mesh [PDF]; Technical University of Valencia; University of Jaen; University of Alicante;; Paper 7189; Available from: https://aes2.org/publications/elibrary-page/?id=14247
López, José J.; Escolano, José; Pueo, Basilio; Simulation of Complex and Large Rooms Using a Digital Waveguide Mesh [PDF]; Technical University of Valencia; University of Jaen; University of Alicante;; Paper 7189; 2007 Available: https://aes2.org/publications/elibrary-page/?id=14247