WIT Press


Pyramid Tracing Vs Ray Tracing For The Simulation Of Sound Propagation In Large Rooms

Price

Free (open access)

Volume

11

Pages

8

Published

1995

Size

826 kb

Paper DOI

10.2495/COMAC950131

Copyright

WIT Press

Author(s)

A. Farina

Abstract

The aim of this paper is to introduce a new computational model (RAMSETE) for the simulation of sound propagation in large rooms, the model can easily be adapted to work outdoor, and can consider diffraction effects around screen edges and sound paths passing through (light) panels. However, this paper focuses on room acoustics, and particularly on rooms with non-Sabinian behaviour. In fact, the Pyramid Tracing algorithm does not involve an hybrid computation scheme, with a reverberant tail superposed to the deterministic early reflections estimate, as it is common with other diverging beam tracers (cone tracers, gaussian beam tracers, etc.). This make it possible to study also sound fields characterised by double-slope sound decays, inside spaces with not comparable dimensions and

Keywords