Assignment 6: Calculations
Do the following on paper, scan or photograph your work, and submit it.
You have a room that is 4 m long, 7 m wide, and has a ceiling height of 3 m.
The floor is hardwood, = .15 at 500 Hz. The walls are gypsum wallboard (GWB), = .30 at 500 Hz. The ceiling is acoustic ceiling tile (ACT), = .95 at 500 Hz.
1. What is the mean free path in this room?
2. What is the total absorption, A, in this room at 500 Hz?
3. What is the reverberation time in this room at 500 Hz?