A Summary Of Deaf Communication

There are various devices used by the Deaf to aid in communication. These machines not only enable the Deaf to communicate, but also the hard of hearing and speech impaired. These mechanisms date back to the 1900s, and are still being improved, updated, and manufactured. “In the last 20 years, a wide range of voice, text, and video relay services and technologies have also been developed that enable consumer choice of language and mode of communication to access the telephone network” (NAD). The teletypewriter, captioned telephone, and video telephone are just a few of these devices.
The teletypewriter (TTY) began being used in the 1960’s. “The TTY works by converting text messages into a sound-based code (loud beeps) that are transmitted