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Homework answers / question archive / The floor is hardwood, =
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
Using the same room, calculate the following. Scan or photograph your assignment work and submit it.
What is the room constant for this room?
For a person speaking, what is the critical distance in this room? Use Q = 2.
If a person speaking produces a sound power level of 70 dB, how much sound pressure level would you expect at a distance of 3 m?
Is this in the direct field or the reverberant field?
