Equipment that provides mentally or physically disabled persons with a means of communication. The aids include display boards, typewriters, cathode ray tubes, computers, and speech synthesizers. The output of such aids includes written words, artificial speech, language signs, Morse code, and pictures
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Telecommunications devices for the deaf. : Hearing loss and dementia resource manual : a guide to communicating effectively with people who are deaf or hard of hearing and have dementia / [Judy Duncan, Bronwyn Porter, Maureen Sheehan]
