Acoustic Extra Features
Acoustic Extra Features
Materials and Treatments (MT)
From the supporting literature (linked above), the school building’s envelope impacts the acoustic comfort of classrooms. The choice of materials for classroom walls and floors and their treatment plays a role in determining classroom acoustic comfort. The regularity of maintenance may depend on the building material used but it is important that classrooms/school building be properly maintained for optimum acoustic, thermal and lighting performance.
Acoustic Control (AC)
From the supporting literature (linked), the importance of sound control in classrooms is key to students achievements. One significant observation was the association between sound and visual. The control of classroom acoustic is key to students achievements and behavior.
Acoustics and Student Outcomes (ASO)
The relationship between noises existed in classrooms and student outcomes.
From the supporting literature (linked above), it was observed that noise in the built environment impacts students outcomes. It was also revealed that uncontrollable classroom noise affects students health.
Acoustic Condition (ACn)
Acoustic condition according to the noise and sound produced.
From the supporting literature (linked above), to achieve good classroom acoustic comfort for students, there must be proper sound conditions. The necessary acoustic conditions relate to generation, transmission, and reception of sound.
School Facility (SF)
Schools facility condition and noises produced in classrooms.
From the supporting literature (linked above), the physical properties of school buildings can affect teaching and learning by generating noise. These include space configuration, tools, equipment, and furniture used in classrooms. The mechanical system put in place also plays a major role classroom noise.
Reverberation (R)
The reverberation of produced sounds (echo) in classrooms.
From the supporting literature (linked), echoing or prolonged sound comes from inside and outside the classroom. Sources of resounding noise include bell system, equipment, students conversation, playground, streets, vehicles, trains, and aircrafts. Building materials also contribute to background noise and reverberation. A study revealed that reverberation times and background noise level were higher during classroom instruction (occupied space) than in an unoccupied classroom. Reverberation times are measured based on ISO 3382–1975 standard, and Rapid Speech Transmission Index (RASTI) values in accordance to IEC 268–16.
Acoustic and Healthy Learning Environment (AHLE)
The association of acoustic, healthy learning environment, and green school buildings.
From the supporting literature (linked), environmental noise impacts students performance in schools. Prolonged exposure to traffic noise impacts students and teachers concentration level, distraction is also high and leads to increased blood pressure.
References
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