Homework Clinic
Hands-on Clinic => Art => Topic started by: Collmarie on Aug 28, 2018
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A classification of assemblies (based on lab testing) in their ability to dampen sound in airborne transmission is referred to as:
NRC ratings
STC ratings
NC ratings
All of above
Question 2
Uniform background sound can be achieved by:
Installing a sound masking system (sometimes
called white noise) into the plenum space of a
building or room
Allowing the HVAC system to continually blow air
Manipulating the placement of materials that can redirect sound waves
Using an audio system tuned into soft music
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Answer to Question 1
STC ratings
Answer to Question 2
Installing a sound masking system
(sometimes called white noise) into the plenum
space of a building or room
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Thanks
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Welcome :)