Analysis of Acoustical Characteristics and Some Recommendations for Different Educational Rooms

Acoustic parameters were analysed in nine auditoria and multi-purpose conference rooms in the University of Extremadura. Parameters related to the reverberation time, background noise, and intelligibility (both physical measurements of different parameters [Definition (D-50) and STI] and speech test...

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Bibliographic Details
Published in:Archives of acoustics 2011-12, Vol.36 (4), p.741-759
Main Authors: Escobar, Valentín, Morillas, Juan
Format: Article
Language:English
Subjects:
Acoustic noise
Acoustics
Background noise
Conferences
Education
educational rooms
Intelligibility
Reverberation time
room acoustics
Speech
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Summary:Acoustic parameters were analysed in nine auditoria and multi-purpose conference rooms in the University of Extremadura. Parameters related to the reverberation time, background noise, and intelligibility (both physical measurements of different parameters [Definition (D-50) and STI] and speech tests used to study the subjective response of listeners) were studied. The measurements were compared with some recommendations from the literature and, considering that speech was the main use of the studied rooms, with the intelligibility results. Some different recommendations for reverberation times taken from the literature were analysed. The intelligibility results obtained from the measurements were also compared with the intelligibility results that were determined by the speech tests.
ISSN:0137-5075
2300-262X
DOI:10.2478/v10168-011-0050-8