Architectural features and the sound decay of coupled rooms: a literature review
In the past decades, the increasing number of concert halls with acoustic variability promoted the study of coupled room acoustics. The acoustic variability can be performed in many ways such as coupling a reverberant room to the main theater. Coupled rooms have a unique sound energy decay. Architec...
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| Main Authors: | , |
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| 格式: | Online |
| 语言: | por |
| 出版: |
Universidade Estadual de Campinas
2017
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| 在线阅读: | https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8650222 |
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| 总结: | In the past decades, the increasing number of concert halls with acoustic variability promoted the study of coupled room acoustics. The acoustic variability can be performed in many ways such as coupling a reverberant room to the main theater. Coupled rooms have a unique sound energy decay. Architectural features have a direct influence on the non-exponential sound decay. This study aims to identify and analyze the architectural features and architectural parameters proposed along the years that influence the formation of non-exponential sound decays in coupled rooms. This study was made through a Systematic Literature Review (SLR). Results showed that the combination of three architectural features is responsible for the non-exponential sound decay. The relations between those features resulted in three architectural parameters: Aperture Coupling Area, Volume Rate, and Absorption Rate. Results showed that the SLR was able to present the state of the art of the researched subject and was able to identify the period of most interest in coupled room studies. It also allowed understanding how coupled room theories have been contributing to the understanding of church acoustics and to observe research gaps regarding coupled room psychoacoustics and the architectural parameters Volume Rate and Absorption Rate. It also identified the need for future research on stagehouse coupling in theaters. Results from this work will subsidize future acoustics projects involving coupled room acoustics. |
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