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Buildings 2014, 4(2), 113-138; doi:10.3390/buildings4020113
Article

Integrating Real-Time Room Acoustics Simulation into a CAD Modeling Software to Enhance the Architectural Design Process

1,* , 1
,
1,2
 and
1
1 Institute of Technical Acoustics, RWTH Aachen University, Kopernikusstraße 5, 52074 Aachen, Germany 2 Audiovisual Communications Laboratory, Ecole Polytechnique Fédérale de Lausanne, Station 14, CH-1015 Lausanne, Switzerland
* Author to whom correspondence should be addressed.
Received: 14 February 2014 / Revised: 3 March 2014 / Accepted: 3 April 2014 / Published: 21 April 2014
(This article belongs to the Special Issue Architectural, Urban and Natural Soundscapes)
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Abstract

For architects, real-time 3D visual rendering of CAD-models is a valuable tool. The architect usually perceives the visual appearance of the building interior in a natural and realistic way during the design process. Unfortunately this only emphasizes the role of the visual appearance of a building, while the acoustics often remain disregarded. Controlling the room acoustics is not integrated into most architects’ workflows—due to a lack of tools. The present contribution describes a newly developed plug-in for adding an adequate 3D-acoustics feedback to the architect. To present intuitively the acoustical effect of the current design project, the plug-in uses real-time audio rendering and 3D-reproduction. The room acoustics of the design can be varied by modifying structural shapes as well as by changing the material selection. In addition to the audio feedback, also a visualization of important room acoustics qualities is provided by displaying color-coded maps inside the CAD software.
Keywords: room acoustics; simulation; auralization; geometrical acoustics; CAD room acoustics; simulation; auralization; geometrical acoustics; CAD
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Pelzer, S.; Aspöck, L.; Schröder, D.; Vorländer, M. Integrating Real-Time Room Acoustics Simulation into a CAD Modeling Software to Enhance the Architectural Design Process. Buildings 2014, 4, 113-138.

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