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Principles and implementation of efficient auralization of edge diffraction is presented. A calculation principle for the impulse response from an edge is reviewed. This technique is integrated into an acoustic modeling system which is based on the image source method. For auralization purposes a low-order digital filter for each diffracting edge is designed which implements the diffraction phenomenon efficiently and is suitable for parametric auralization. Finally, examples of filter designs are presented.
Author (s): Lokki, Tapio; Svensson, Peter; Savioja, Lauri
Affiliation:
Helsinki University of Technology, Telecommunications Software and Multimedia Laboratory, HUT, Finland ; 2Norwegian University of Science and Technology, Department of telecommunications, Acoustics group, Trondheim, Norway
(See document for exact affiliation information.)
Publication Date:
2002-06-06
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Session subject:
Architectural Acoustics & Sound Reinforcement
Permalink: https://aes2.org/publications/elibrary-page/?id=11207
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Lokki, Tapio; Svensson, Peter; Savioja, Lauri; 2002; An Efficient Auralization of Edge Diffraction [PDF]; Helsinki University of Technology, Telecommunications Software and Multimedia Laboratory, HUT, Finland ; 2Norwegian University of Science and Technology, Department of telecommunications, Acoustics group, Trondheim, Norway; Paper 000084; Available from: https://aes2.org/publications/elibrary-page/?id=11207
Lokki, Tapio; Svensson, Peter; Savioja, Lauri; An Efficient Auralization of Edge Diffraction [PDF]; Helsinki University of Technology, Telecommunications Software and Multimedia Laboratory, HUT, Finland ; 2Norwegian University of Science and Technology, Department of telecommunications, Acoustics group, Trondheim, Norway; Paper 000084; 2002 Available: https://aes2.org/publications/elibrary-page/?id=11207