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How to take absorptive surfaces into account when designing outdoor sound reinforcement systems

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Authors:
  • Rasmussen, Karsten bo
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    Department of Acoustic Technology, Technical University of Denmark
Abstract:
When sound reinforcement systems are used outdoors, absorptive surfaces are usually present along the propagation path of the sound. This may lead to a very significant colouration of the spectrum received by the audience. The colouration depends on the location and directivity of the loudspeaker, the nature of the absorptive surface (eg grass) and the location of the audience. It is discussed how this effect may be calculated and numerical examples are shown. The results show a significant colouration and attenuation of the sound due to grass-covered surfaces.
Type:
Report
Language:
English
Main Research Area:
Science/technology
Publication Status:
Published
Review type:
Peer Review
Conference:
100th Audio Engineering Society Convention, 1996
Submission year:
1996
Scientific Level:
Scientific
ID:
2389475373
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