An important, but forgotten acoustic issue in classrooms

M. H. Yeung, Shiu Keung Tang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

In the present study, measurements of speech intelligibility are carried out in eighteen primary and secondary local schools in Hong Kong having standardised designs by using the impulse decay method. Background noise levels are also measured. This issue of speech intelligibility is important but seems to have been forgotten for years. Results show that the speech intelligibility in most of the classrooms surveyed is not really satisfactory. The laboratories require serious attention. The situation in general becomes slightly better if the windows are opened and the air conditioning systems are switched off. The current acoustical performance in the classrooms suggests that a more careful consideration of future school design is required.
Original languageEnglish
Pages (from-to)13-18
Number of pages6
JournalHKIE Transactions Hong Kong Institution of Engineers
Volume11
Issue number2
Publication statusPublished - 1 Jan 2004

Keywords

  • Indoor Environment
  • Room Acoustics
  • School
  • Speech Intelligibility

ASJC Scopus subject areas

  • General Engineering

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