Final Assignment
1. Analysis
Room type: A4- Inclusive Classroom
Volume: 243 m3
Reverberation Time Target: 0.43s
Actual Reverberation time: 1.4s-2.8s
Average Reverberation time: ~2s
The room fails to meet the target set by the SIA standard. It is worth mentioning that the room contains plenty of objects that scatter sound, which would reduce the RT60 value.
The main reason the Reverberation time fails to meet the target is the room’s construction. Indeed, it is what we could call a ”concrete aquarium” where all surfaces are concrete except for 6 wooden boards on one of the long walls and some lightweight shelves at the back and on the other long side.
2. Target and Modifications
Target: Bring the Reverberation time down and while conserving/improving the quality by adding acoustic treatment to the room. The main focus is the lower-mid frequencies.
Modifications
- Ceiling: Absorbant mousse 3cm (Soniflex) (hidden by the lights).
- Floor: Linoleum Covering.
- Back and Side Wall: Acoustic Curtains (Also produces a better curated presentation room and flat background for model pictures).
- Chairs: Change the covering to a fabric (more comfortable for long modelling hours or presentations).
3.Results
