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      Some considerations on the use of space sound absorbers with next-generation materials reflecting COVID situations in Japan: additional sound absorption for post-pandemic challenges in indoor acoustic environments

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          Abstract

          In this study, we first point out the possible acoustic problems associated with the post-pandemic operation of built environments. In particular, 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 (3D) space sound absorbers developed through our recent research projects. Significantly, the type of sound absorber proposed 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 3D-MPP or PM space absorbers possess the additional value of aesthetic designability.

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          Most cited references 23

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          Potential of microperforated panel absorber

           Dah-You Maa (1998)
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            Microperforated-Panel Wideband Absorbers

             Dah-You Maa (1987)
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              Theory and design on microperforated panel sound-absorbing constructions

               D-Y Maa,  DY Maa,  D.Y. Maa (1975)
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                Author and article information

                Journal
                ucloe
                ucloe
                UCL Open Environment
                UCLOE
                UCL Press (UK )
                2632-0886
                18 November 2020
                November 2020
                : 1
                : 1-10
                Affiliations
                1Environmental Acoustic Laboratory, Department of Architecture, Graduate School of Engineering, Kobe University, Rokko, Nada, Kobe 657-8501, Japan
                Author notes
                Corresponding author: Email: saka@ 123456kobe-u.ac.jp
                Article
                111.444/ucloe.000012
                10.14324/111.444/ucloe.000012
                Copyright © 2020 The Authors.

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

                Page count
                Figures: 10, References: 23, Pages: 10
                Categories
                Open Commentary

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