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Buildings 2014, 4(2), 139-154;

Synthesis of a Virtual Urban Soundscape

Laboratory of Acoustics and Thermal Physics, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200D, Leuven-Heverlee 3001, Belgium
Department of Building Constructions, Slovak University of Technology Bratislava, Radlinského 11, Bratislava 81368, Slovakia
Author to whom correspondence should be addressed.
Received: 24 January 2014 / Revised: 13 February 2014 / Accepted: 8 May 2014 / Published: 15 May 2014
(This article belongs to the Special Issue Architectural, Urban and Natural Soundscapes)
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The main research question addressed in this article is to find out to what extent it is possible to predict statistical noise levels such as L5 and L95 on an urban public square, based on the information about the square’s functionality, the activities going on, and the architecture of the surrounding buildings. The same information is also exploited to auralize the soundscape on the virtual square, in order to assess the disturbance perceived by people of the traffic noise by means of laboratory listening tests, which are based on binaural sound recordings acquired in situ and incorporated in simulations to evoke typical acoustical situations. Auralizations were carried out by two calculation algorithms (ray-tracing and image source method) and two acoustic scenarios (an anechoic situation and a virtually reconstructed square in Odeon®). The statistical noise levels, calculated from the auralized soundscapes, compare well with measurements in situ. The listening test results also show that there are significant differences in people’s perception of traffic noise, depending on their origin. View Full-Text
Keywords: soundscape; urban public place; prediction; virtual acoustics; listening tests soundscape; urban public place; prediction; virtual acoustics; listening tests

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Rychtáriková, M.; Jedovnický, M.; Vargová, A.; Glorieux, C. Synthesis of a Virtual Urban Soundscape. Buildings 2014, 4, 139-154.

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