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UNIT 3: WAVES AND SOUND

Unit 3 Performance Task

Noise Cancellation: Quieting the Environment   Page (314 )

The private Web site of Dr. Jeffrey Denenberg. This is an online version of a publication describing noise and discussing technologies that can be applied to reduce noise in the environment. The paper is at the level of a doctoral thesis including charts, diagrams and reference materials.

Noise Cancellation   Page (314 )

The David Clark Company explains how noise reduction technologies work. The page includes graphics and explanations of the theory involved.

HearingAidHelp.com   Page (314 )

Hearing Aid Help.com is an online resource for information about hearing aids, the technologies involved, the tests used, the types and styles and their functionality. The site is extensive. Browse it for detailed information about this device.