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Module 8 - Environmental Acoustics

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Environmental Acoustics  ::   Environmental Noise   ::  Effects of Noise  ::  Control of Noise

Control of Noise

Now that you understand the effects of noise in our environment and on people, it is time to learn about how you can control it. This ranges from laws and regulations, to sound absorption panels, piles of dirt, high walls, and the application of different types of acoustical materials.

To successfully complete this chapter you should...

  • Read chapter 32 in your text book (pages 629-646).
  • Carefully study the important concepts about controlling noise.
  • Be able to describe ways to control noise.

Important Concepts

Critical frequency
FAR Part 36
Fresnel number
IIC (impact isolation class)
OSHA (Occupational Safety and Health Agency)
Sonic boom
STC (sound transmission class)
TL (transmission loss)
Turbofan engine

Copyright 2008, by the Contributing Authors. Cite/attribute Resource . admin. (2005, January 25). Module 8 - Environmental Acoustics. Retrieved January 07, 2011, from Free Online Course Materials — USU OpenCourseWare Web site: This work is licensed under a Creative Commons License Creative Commons License