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Modeling and Designing Acoustical Conditions of the Interior – Case Study

Abstract

The primary aim of this research study was to model acoustic conditions of the Courtyard of the Gdańsk University of Technology Main Building, and then to design a sound reinforcement system for this interior. First, results of measurements of the parameters of the acoustic field are presented. Then, the comparison between measured and predicted values using the ODEON program is shown. Collected data indicate a long reverberation time which results in poor speech intelligibility. Then, a thorough analysis is perform to improve the acoustic properties of the model of the interior investigated. On the basis of the improved acoustic model two options of a sound reinforcement system for this interior are proposed, and then analyzed. After applying sound absorbing material it was noted that the predicted speech intelligibility increased from bad/poor rating to good category. słowa kluczowe: acoustic field analysis and modeling; acoustic conditions measurements and analysis; sound reinforcement system design

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DOI:
Digital Object Identifier (open in new tab) 10.1515/aoa-2016-0044
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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Archives of Acoustics no. 41, pages 473 - 484,
ISSN: 0137-5075
Language:
English
Publication year:
2016
Bibliographic description:
Kostek B., Laskowski S., Mizgier K.: Modeling and Designing Acoustical Conditions of the Interior – Case Study// Archives of Acoustics. -Vol. 41, iss. 3 (2016), s.473-484
DOI:
Digital Object Identifier (open in new tab) 10.1515/aoa-2016-0044
Verified by:
Gdańsk University of Technology

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