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On the computational efficiency of different waveguide mesh topologies for room acoustic simulation

Campos, G.R. and Howard, D.M. (2005) On the computational efficiency of different waveguide mesh topologies for room acoustic simulation. IEEE Transactions on Speech and Audio Processing, 13 (5). pp. 1063-1072. ISSN 1063-6676

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Abstract

Room acoustic simulation using digital waveguide modeling requires three-dimensional waveguide meshes in order to represent fully the acoustic properties of the space. This paper presents a systematic analysis of four mesh topologies suggested in the literature: rectilinear, tetrahedral, cubic close-packed and octahedral. These mesh structures are compared from the standpoint of computational efficiency, bearing in mind specific issues that are important for room acoustic simulation. Each mesh topology offers a different compromise between spatial resolution, bandwidth, dispersion characteristics (including suitability for the application of dispersion-compensation techniques), computation time, memory requirements and implementation complexity.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Electronics (York)
Depositing User: York RAE Import
Date Deposited: 15 May 2009 13:57
Last Modified: 15 May 2009 13:57
Published Version: http://dx.doi.org/10.1109/TSA.2005.852015
Status: Published
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Identification Number: 10.1109/TSA.2005.852015
URI: http://eprints.whiterose.ac.uk/id/eprint/6323

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