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Authors: Bill Kapralos 1 ; Michael Jenkin 2 and Evangelos Milios 3

Affiliations: 1 Faculty of Business and Information Technology, University of Ontario Institute of Technology, Canada ; 2 Centre for Vision Research, York University. Toronto, Canada ; 3 Faculty of Computer Science, Dalhousie University. Halifax, Canada

Keyword(s): Sonel mapping, acoustical diffraction modeling, virtual environments.

Related Ontology Subjects/Areas/Topics: Augmented, Mixed and Virtual Environments ; Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Interactive Environments ; Physics-Based Modeling

Abstract: Since the dimensions of many of the objects/surfaces encountered in our daily lives are within an order of magnitude of the wavelength of audible sounds, diffraction is an elementary means of sound propagation. Despite its importance in the real-world, diffraction effects are often overlooked by acoustical modeling methods leading to a degredation in immersion or presence. This paper describes an acoustical diffraction method based on the Huygens-Fresnel principle. The method is simple and efficient allowing it to be incorporated in interactive acoustical environments including virtual environments. Experimental results are presented that illustrate the performance and effectiveness of the method and its conformance to theoretical diffraction models.

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Paper citation in several formats:
Kapralos, B.; Jenkin, M. and Milios, E. (2007). DIFFRACTION MODELING FOR INTERACTIVE VIRTUAL ACOUSTICAL ENVIRONMENTS. In Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 1: GRAPP; ISBN 978-972-8865-72-6; ISSN 2184-4321, SciTePress, pages 241-248. DOI: 10.5220/0002075802410248

@conference{grapp07,
author={Bill Kapralos. and Michael Jenkin. and Evangelos Milios.},
title={DIFFRACTION MODELING FOR INTERACTIVE VIRTUAL ACOUSTICAL ENVIRONMENTS},
booktitle={Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 1: GRAPP},
year={2007},
pages={241-248},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002075802410248},
isbn={978-972-8865-72-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 1: GRAPP
TI - DIFFRACTION MODELING FOR INTERACTIVE VIRTUAL ACOUSTICAL ENVIRONMENTS
SN - 978-972-8865-72-6
IS - 2184-4321
AU - Kapralos, B.
AU - Jenkin, M.
AU - Milios, E.
PY - 2007
SP - 241
EP - 248
DO - 10.5220/0002075802410248
PB - SciTePress

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