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This program describes the major risk factors for hearing impairment, stresses the importance of early diagnosis of hearing impairment in infants, and demonstrates two infant hearing tests: the auditory brain stem response of a week -old infant and the behavioral method, in which an audiologist observes a seven -month -old infant's reactions to sounds. The program also presents new technologies to aid people with hearing impairments: cochlear implants for children and adults, hearing aids equipped with computer chips to filter out low -frequency background noise, and digital speech processing, which converts sound to computer language.
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