Hearing Aids: Who Needs Them? : what They Can Do for You, where to Buy Them, how to Use Them |
Contents
Introduction | 8 |
Table of Contents continued | 8 |
Hearing tests | 15 |
Copyright | |
9 other sections not shown
Common terms and phrases
aid's air pressure amplified sound Articulation Index AUDIOGRAM FREQUENCY audiologist Audiology background noise batteries bone thresholds bone vibrator borderline changes chapter clarity Clinics cochlea cochlear implant comfortable complex sound conductive loss consonants decibels depends ear canal eardrum earmolds earphone earwax efficiently Eustachian tubes faintest level fingers following audiograms FREQUENCY in Hz Furthermore graph shows hearing aid dispensers Hearing Level hearing problem hearing tests important in-the-ear inner ear levels of sound lips listen Loss in dB LOSS RANGE loud louder low-pitched lower-pitched measurement middle ear mild hearing loss mild loss need a hearing need hearing aids nerve hearing losses nerve loss normal conversation normal hearing Organ of Corti ossicles outer percent physician pure tone score screening test six decibels Sound heard Sound not heard Sound Pressure Sound Pressure Level speech stronger talk talker tubes tympanogram understand various voice vowels