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      • Department of Interior Architecture and Environmental Design
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      A comparative study on indoor soundscape assessment via a mixed method: A case of the high school environment

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      Author(s)
      Çankaya Topak, Sıla
      Yılmazer, Semiha
      Date
      2022-02-28
      Source Title
      Applied Acoustics
      Print ISSN
      0003-682X
      Publisher
      Elsevier
      Volume
      189
      Pages
      1 - 13
      Language
      English
      Type
      Article
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      Abstract
      Environments for learning-teaching activities require optimum acoustical conditions since students learning attitudes are directly related to verbal speaking. However, optimum acoustical conditions are not enough to provide acoustic comfort to students. To explore the acoustic requirements of educational spaces, there is a need to understand the role of sound and in which factors auditory perception of stu- dents changes. This study explores the relationship between auditory perception and the built environ- ment in a high school. It aims to provide design guidelines for educational facilities using the systematic categorization that defines the comparison between classroom and computer laboratory spaces in _Ihsan Dog ̆ramacı Foundation Bilkent High School. To understand the existing acoustic conditions in a selected educational facility, Equivalent Continuous A-Weighted Sound Level (LAeq), Reverberation Time (T30), and Speech Transmission Index (STI) were measured. This mixed method study includes quantitative and qualitative research methods. Data was collected through multiple instruments, including a ques- tionnaire survey (n = 117) and semi-structured interviews (n = 50). The data analyses were conducted using SPSS v.20 statistical software and applying the method of Grounded Theory (GT). The results show that the auditory perception of students does not only depend on sound levels since the responses towards sound sources and sound levels changed depending on the context of the space (such as the lec- ture content or the students’ task). The conceptual framework presented the relations between the built environment, acoustic environment, and auditory perception of students. The results of this research were interpreted for possible improvement directions, providing a guideline for designers to shape the auditory quality of future educational spaces
      Keywords
      Soundscape
      High-school environment
      Auditory perception
      Grounded theory
      Permalink
      http://hdl.handle.net/11693/111242
      Published Version (Please cite this version)
      https://dx.doi.org/10.1016/j.apacoust.2021.108554
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