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8/11/2019 Sample Problems in Acoustics Handout
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Compiled by Ar. MCPSoriano
for AR418B from
Architectural Acoustics,
by David M. Egan
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Ray Diagram Graphics
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Reverberation TimeA classroom 60-ft long by 35-ft wide by 15-ft high
has sound absorption coefficients s of 0.30 forwalls, 0.04 for ceiling, and 0.10 for floor. All s are at
500 Hz.
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Room Noise Reduction
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Transmission Loss
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Composite TL
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Noise Reduction
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Composite TL
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Noise Reduction Between Rooms
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