You have a room that is 4 m long, 7 m wide, and has a ceiling height
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Question:
You have a room that is 4 m long, 7 m wide, and has a ceiling height of 3 m.
The floor is hardwood, α= .15 at 500 Hz. The walls are gypsum wallboard (GWB), α= .30 at 500 Hz. The ceiling is acoustic ceiling tile (ACT),
α = .95 at 500 Hz.
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?
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