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The International Standard Reference Zero
COMMITTEE ON IDENTIFICA
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acoustic acuity air conduction air-conduction thresholds Amer American Standard American Standards Association audio audiogram audiologist Audiology audiometer Auditory Test average bands of noise Bekesy bone conduction bone vibrator bone-conduction thresholds calibration Carhart clinical clinician cochlear conduction thresholds coupler critical band deafness decibels difference ear canal earphone effective level experimental Figure frontal bone hearing level hearing loss Hirsh impairment Jerger left ear listeners lists masked thresholds masking noise ment method microbar middle ear monaural narrow band noise noise level non-test ear normal hearing occlusion effect Otolaryng Otolaryngology otosclerosis output patient percent presbycusis problem procedure pure tone pure-tone quencies range recorded reinforcement response right ear SAL test scores screening sensorineural sound pressure level speech audiometer spondee threshold standard deviations stapes fixation stimulus subjects Table test ear test frequency threshold shift tion unoccluded values variability white noise words zero