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Simulation and Visualization of Indoor Acoustics Using Phonon Tracing

Eduard Deines; Frank Michel; Martin Hering-Bertram; Jan Mohring; Hans Hagen
In: Gerhard Steinebach; Subhrajit Guhathakurta; Hans Hagen (Hrsg.). Visualizing Sustainable Planning. Pages 147-156, ISBN 3540882022, Springer, Berlin, Heidelberg, 3/2009.

Abstract

We present an overview of our simulation and visualization system for sound propagation within closed rooms. For acoustic simulation we use a particle-tracing algorithm, the phonon tracing, which is suitable to simulate mid- and high-frequency sound. For low-frequency sound we have to fall back on FEM methods, which solve the wave equation. The result of the phonon-tracing algorithm, the phonon map, is used as a starting point for the visualization of sound propagation and exploration of the influence of different scene surfaces on the acoustic behavior of the room.

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