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Convention Paper

RenderAIR – Room Acoustics Simulation Using a Hybrid Digital Waveguide Mesh Approach

Authors: Beeson, Mark; Moore, Alastair; Murphy, Damian; Shelley, Simon; Southern, Alexander

AES Convention 124 · Paper 7429 · May 2008

Abstract

The digital waveguide mesh (DWM) is a numerical simulation technique used to model signal propagation through a regular grid of spatio-temporal sampling points, and has been demonstrated as appropriate for modelling the acoustics of an enclosed space, particularly at low frequencies. The RenderAIR DWM application allows intuitive definition of parameters associated with geometry, boundary surface, and source/receiver parameters, required to generate spatially encoded Room Impulse Responses (RIRs). In this paper the expectations and limitations of DWM-based room acoustics modelling are explored through the use of the RenderAIR application in a number of situations. ISO3382 metrics are used as the main benchmark for the results obtained, which compare well with both real-world measurements and more traditional geometric acoustic approaches.

Details

Published in
AES Convention 124
AES Convention
124
Paper number
7429
Publication date
May 6, 2008
Session subject
Room and Architectural Acoustics; Sound Reinforcement
Affiliation
Audio Lab, University of York;Human-Technology Interaction, Technische Universiteit Eindhoven (See document for exact affiliation information.)
Type
Convention Paper