Term: Augmentative and Alternative Communication (AAC) System [AAC]

8.Vantage Lite AAC system - Photo courtesy Prentke Romich CompanyAn AAC system is one that increases or improves the communication abilities of individuals with receptive or expressive communication impairments. The system can include sign language, graphical symbol systems, synthesized speech, dedicated communication devices, and computer applications. AAC technology spans a wide range of products, from low-tech picture boards to high-tech speech recognition programs.