Room Activity (RA)
From the supporting literature (linked above), classroom background noise also comes from various activities that are carried out inside and outside the classroom. These activities include conversations, playing, movement, attendance, and lunch, entering the classroom, giving instructions by the teachers, and interactions among students and teachers.
1. Classroom walls, floor, and ceiling should be constructed with soundproof materials.
2. Doors and window system that complements quality sound should be used in classrooms.
3. Acoustic consideration should be made in the design of classrooms and school buildings.
4. Use natural materials in building construction and discourage the use of synthetic materials.
Population Density (PD)
Defining the average number of people that use the space and contribute to noise.
From the supporting literature (linked above), one of the key factors that influence classroom noise is the number of students in a classroom. Noise control mechanism might be needed more in densely populated classrooms than in classrooms with fewer students.
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