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UNIT 3: WAVES AND SOUND

Unit 3 Performance Task

Noise Cancellation   Page (314 )

School for Champions explains how noise reduction technologies work. The page includes applications of noise cancellation and links to other sites about this topic. .

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.