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      Space sound absorbers with next-generation materials: additional sound absorption for post-pandemic challenges in indoor acoustic environments

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          In this study, we first point out the possible acoustic problems associated with the post-pandemic operation of built environments. Particularly, we focus on the problem of acoustic deficiency due to the lack of absorption. This deficiency, which is likely to be encountered in most enclosed spaces in a range of establishments, is due to the reduced number of audience members or users of the space as a result of social distancing. As one of the promising solutions to this problem, we introduce a sound absorption technique using three-dimensional space sound absorbers developed through our recent research projects. Significantly, the type of sound absorber propose herein is made of materials that are especially suited to hygiene considerations. The materials are microperforated panels (MPPs) and permeable membranes (PMs), both of which are easily washable and sanitised. Furthermore, we point out that three-dimensional MPP or PM space absorbers possess the additional value of aesthetic designability.

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          Author and article information

          UCL Open: Environment Preprint
          UCL Press
          22 October 2020
          [1 ] Environmental Acoustics Laboratory, Department of Architecture, Grad. School of Engineering, Kobe University, Kobe, Japan

          This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY) 4.0, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

          none N/A

          The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

          Architectural design, Architecture, Environmental engineering

          sound absorption, microperforated panel, permeable membrane, post-pandemic 'new style', indoor acoustic environment, Built environment


          Decision date: 23/10/2020

          Handling Editor: Francesco Aletta

          The article has been accepted and it is suitable for publication in UCL Open: Environment.

          2020-11-10 11:19 UTC

          Date: 22/10/2020

          Handling Editor: Francesco Aletta

          The Article has been revised, this article remains a preprint article and peer-review has not been completed.

          2020-11-10 11:18 UTC

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