MEASUREMENT OF AMPLITUDE AND DELAY OF STIMULUS FREQUENCY OTOACOUSTIC EMISSIONS

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摘要 Althoughstimulusfrequencyotoacousticemissions(SFOAEs)havebeenusedasanon-invasivemeasureofcochlearmechanics,clinicalandexperimentalapplicationofSFOAEshasbeenlimitedbydifficultiesinaccuratelyderivingquantitativeinformationfromsoundpressuremeasuredintheearcanal.Inthisstudy,anovelsignalprocessingmethodformulticomponentanalysis(MCA)wasusedtomeasuretheamplitudeanddelayoftheSFOAE.Thisreportshowsthedelay-frequencydistributionoftheSFOAEmeasuredfromthehumanear.AlowlevelacousticalsuppressorneartheprobetonesignificantlysuppressedtheSFOAE,stronglyindicatingthattheSFOAEwasgeneratedatcharacteristicfrequencylocations.Informationderivedfromthismethodmayrevealmoredetailsofcochlearmechanicsinthehumanear.
机构地区 不详
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出版日期 2013年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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