Evaluation of sound comfort in examination hall using acoustical environmental analyses

Madlan, Mohd Amran and Masrol, Shaiful Rizal and Ismon, Maznan and Roslan, Mohd Nazrul and Yahya, Musli Nizam and Ghazali, Mohd Imran and Mahzan, Shahruddin (2013) Evaluation of sound comfort in examination hall using acoustical environmental analyses. Applied Mechanics and Materials, 315 . pp. 825-829. ISSN 16627482

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Official URL: doi:10.4028/www.scientific.net/AMM.315.825

Abstract

Acoustics environmental analyses were conducted in the unoccupied examination hall at Universiti Tun Hussein Onn Malaysia (UTHM), in order to determine the acoustical environment which reflects to sound comfort during sitting exam. The acoustic parameters that measured are background noise level, sound pressure level and reverberation time. The analysis result of untreated wall condition (without absorbent material) was revealed poor while treated wall condition (with absorbent material) revealed the improvement result. Installation of absorbent material on the wall and speakers rearrangement had reduced the highest background noise level of examination hall average reverberation times. A minor alteration at examination hall had contributed to better acoustic performance.

Item Type:Article
Uncontrolled Keywords:acoustical environment; reverberation time; background noise level; sound pressure level
Subjects:T Technology > TA Engineering (General). Civil engineering (General) > TA365-367 Acoustics in engineering. Acoustical engineering
Divisions:Faculty of Mechanical and Manufacturing Engineering > Department of Mechanical Engineering Technology
ID Code:9346
Deposited By:Mr. Mohammad Shaifulrip Ithnin
Deposited On:25 Oct 2017 16:17
Last Modified:25 Oct 2017 16:17

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