Acoustics+2

A classroom for 40 students
Classrooms are the location for not only desk-bound teaching, but group work and individual study. Hearing and seeing well is crucial to the learning process and good speech intelligibility is a must. The room has to promote intellectual work and concentration.

In a teaching situation, it is important to give priority both to speech clarity and to reduction of sound level.

Acoustic problems:

Hard surface materials create problematic sound reflections which limit speech intelligibility.

Hard flooring creates noisy footsteps and scraping noises from chairs and tables.

Suggestion for achieve acoustic comfort

Reverberation time of 0.5 seconds or less. To achieve this, an acoustic ceiling of sound absorption class A (Class A is the highest level of sound absorption). covering 85% of the ceiling surface is needed. The rear wall should also be fitted with a wall absorber of sound absorption class A. For good speaker comfort, add a reflector over the teacher's desk area.



