Physiologyofhearing&equilibriumintheearHearing—totransformthesoundwavesassensation,,inconjunctionwiththevisual&proprioceptivesystems,particularlyvestibularsystemismoreimportant,vestibulerespondtoposition&,middleandinnerearAuricleSemicircularcanalvestibulecochleastapesincusmalleusExternalauditorymeatusTympanicmembraneBonyportionNarrowportionCartilaginousportionNasopharyngealopeningAnatomicrelationshipbetweenthemembranouslabyrinthsInnerearcanalEighthcranialnervevestibuleSemicircularcanalsCochleaConceptofacousticsandaudiologyFrequency:tobethenumberofwavesperunitoftime,expressing:HzLoudness:theloudnessofasoundiscorrelatedwiththeamplitudewaveanditspitchwithfrequency,thegreatertheamplitude,thelouderthesoundandthegreaterthefrequencythehigherthepitch,expressing:dB(decibel).Threshold::,thewavestravelthroughairataspeedof344m/s,thespeedinwateris1428m/%acousticenergyisintroduceintothewater,%
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