Logo of Communication Technology Education Center (CTEC).

What Is AAC

Augmentative & Alternative Communication (AAC), which is the use of personalized methods or devices to increase a person's ability to communicate. Most individuals who use AAC rely on a variety of methods, from "light tech" to "high tech".

What Is AAC Infographic - Rev D

No-Tech

  • Facial Expressions
  • Gestures
  • Sign Language

Light-Tech

  • Visual Supports
  • Communication Boards
  • Letter/Spelling Boards
  • Communication Books
  • Text, Symbols, and Photos

Mid-Tech (Recorded Message)

Voice output devices that play prerecorded messages; lightweight and simple-to-use; single or multiple messages.

High-Tech Universal Design

Readily used devices available with communication apps and technologies; such as a mobile device, tablet, or laptop.

High-Tech Specialized

Dynamic screen AAC devices with multiple access methods, language systems, extended battery life, and volume control.

Who can benefit from AAC?

Anyone who is unable to speak, or whose speech is difficult to understand.

Photo of a variety of AAC devices together.