Noise - a complex soundWhitenoisehave all frequencypeople can hear 20to 20000 HzNarrowband noise with certain frequencySpeechnoisefrequency in speechrange(300-3000Hz)people speech500-2000Hzaudiometrictesting125-8000HzUsefor masking
Noise – a complex sound ◼ White noise have all frequency people can hear 20 to 20000 Hz ◼ Narrow band noise with certain frequency ◼ Speech noise frequency in speech range(300-3000Hz) people speech 500-2000Hz audiometric testing 125-8000Hz ◼ Use for masking
Assessment of hearingThree type of hearing lossconductive hearing loss sensotineural hearing loss (SNHL) mixed hearing loss
Assessment of hearing Three type of hearing loss ➢ conductive hearing loss ➢ sensotineural hearing loss (SNHL) ➢ mixed hearing loss
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