Evaluation of noise pollution and acoustic comfort in the classrooms of Hamadan University of medical sciences in 2012
Author(s):
Abstract:
Introduction
Noise pollution cause mental fatigue، concentration disturbance and learning loss in students during the training activities. This study aims to evaluate Noise pollution and the level of acoustical comfort in typical classrooms، and present treatment methods for improving acoustic comfort. Method
In cross sectional study، twenty classrooms in the seven faculty of Hamadan University of medical sciences، were studied using questionnaire with reliability coefficient equal to 0. 8 was completed among 413 students. Measurement of noise level was performed using sound level meter (model TES-1358) according ANSI S12. 6 in classrooms. Result
The results showed the background noise level and outdoor noise level were equal 46. 97 ± 3 dB (A)، and 57. 16 ± 4. 8 dB (A)، respectively. The background noise was higher than the recommended limit equal to 45 dB (A) (P<0. 01). The construction activities are most important annoying factor and concentration disturbance are most complication of noise. Signal to noise ratio within the classroom was 13. 14±3. 54 dB (A)، which was inappropriate compared with the recommended limit 15 dB (A) (P<0. 01). The difference in speech intelligibility at various levels of signal to noise ratio was significant (p<0. 05). Conclusion
The results confirmed the studied classrooms haven’t acceptable acoustic conditions and background noise level was affected by outdoor noise. In regard to confirmation of the effects of noise on the student attention، the acoustic interventions is must be considered.Keywords:
Language:
Persian
Published:
Journal of Ergonomics, Volume:1 Issue: 2, 2013
Page:
19
magiran.com/p1229732
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یکساله به مبلغ 1,390,000ريال میتوانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.
In order to view content subscription is required
Personal subscription
Subscribe magiran.com for 70 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!