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.
Also Known As:
TDD; Speech Synthesizers; Communication Board; Speech Synthesizer; Telecommunications Devices for the Deaf; TTY Telephone; Text Telecommunication; Text Telecommunication Devices; Text Telephone; Synthesizer, Speech; Synthesizers, Speech; TTY Telephones; Telecommunication Device, Text; Telecommunication Devices, Text; Telecommunication, Text; Telecommunications, Text; Text Telecommunication Device; Text Telecommunications; Text Telephones; Augmentative and Alternative Communications Systems; Communication Aids for Handicapped; Communication Boards