Acoustic Quality Levels of Mosques in Batu Pahat

4th International Conference on Civil and Environmental Engineering for Sustainability

地球科学;生态环境科学;经济学

Azizah Adnan, Nor^2 ; Raja Shahminan, Raja Nafida^1 ; Khair Ibrahim, Fawazul^1 ; Tami, Hannifah^2 ; Yusuff, M. Rizal M.^2 ; Murniwaty Samsudin, Emedya^2 ; Ismail, Isham^2

Centre for the Study of Built Environment in the Malay World (KALAM), Faculty of Built Environment, Universiti Teknologi Malaysia, Skudai

81310, Malaysia^1

Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Batu Pahat, Johor

86400, Malaysia^2

关键词: Acoustic parameters;    Acoustic quality;    Measurement instruments;    Oral communication;    Physical factors;    Reverberation time;    Sound level meter;    Speech transmission index;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/140/1/012009/pdf
DOI  :  10.1088/1755-1315/140/1/012009

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Every Friday, Muslims has been required to perform a special prayer known as the Friday prayers which involve the delivery of a brief lecture (Khutbah). Speech intelligibility in oral communications presented by the preacher affected all the congregation and determined the level of acoustic quality in the interior of the mosque. Therefore, this study intended to assess the level of acoustic quality of three public mosques in Batu Pahat. Good acoustic quality is essential in contributing towards appreciation in prayers and increasing khusyu' during the worship, which is closely related to the speech intelligibility corresponding to the actual function of the mosque according to Islam. Acoustic parameters measured includes noise criteria (NC), reverberation time (RT) and speech transmission index (STI), and was performed using the sound level meter and sound measurement instruments. This test is carried out through the physical observation with the consideration of space and volume design as a factor affecting acoustic parameters. Results from all 3 mosques as the showed that the acoustic quality level inside these buildings are slightly poor which is at below 0.45 coefficients based on the standard. Among the factors that influencing the low acoustical quality are location, building materials, installation of sound absorption material and the number of occupants inside the mosque. As conclusion, the acoustic quality level of a mosque is highly depends on physical factors of the mosque such as the architectural design and space volume besides other factors as been identified by this study.