Voice output communication devices, or VOCA's, are portable communication devices that "speak" for the individual. These devices have been successful for individuals who have a communication impairment, as well as a combination of vision and hearing problems. When activated with the push of a button, or using an adapted system, the child can expressively communicate one or more messages" (Belote, M. 2002). Voice output communication devices become an important component to individuals with disabilities, as they help them express their needs, and assist them in communicating with others.
Belote, M. (2002). Strategies for Using Voice Output Communication Devices with Children who are Deaf-Blind. California Deaf-Blind Services. Retrieved from www.sfsu.edu/~cadbs/30VoiceOuput.pdf