In last week's assignment, you calculated mean free path, total absorption, and reverberation time for 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. 3) f 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?
In last week's assignment, you calculated mean free path, total absorption, and reverberation time for 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. 3) f 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?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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In last week's assignment, you calculated mean free path, total absorption, and reverberation time for 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.
3) f 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?
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