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Voice Output & Electronic AAC

Voice output communication aids (VOCAs), also known as speech-generating devices, are electronic augmentative and alternative communication (AAC) devices that produce speech for an individual who has limited or no means of communicating orally. There are many different types of VOCAs and electronic AAC devices, and some can be personalised to fit the needs of the individual user.


Here are a few examples of different VOCAs and electronic AAC devices:

Tobii Dynavox I Series

The I Series by Tobii Dynavox are powerful touch-based speech generating devices for augmentative and alternative communication (AAC).


A range of easy to use, portable communicators from AbleNet. QuickTalker™7, 12, and 23 provide a variety of message locations and can store five sets or ‘levels’ of messages for use at different times throughout the day or in different activities.



The GoTalk+ series are a lightweight, rugged and economical choice of communication aid. They include devices from one button messegers to devices with 20+ locations.


Grid Player is a free Alternative and Augmentative Communication (AAC) app for iOS that helps people who cannot speak or who have unclear speech to communicate.


This simple communicator has lots of uses. It’s easy to record speech, music or any sound into the BIGmack. Record a repeated phrase from a story or song for a user to play back at the right time. Ideal as a simple introduction to sound recording technology. Simply press the BIGmack to hear the sound.

Lightwriter SL50

The Lightwriter SL50 is a switch and keyboard communication device whereby the user types out messages which are then relayed through the speakers by an automated voice.


iPad Apps for Complex Communication Support Needs: AAC


There are a range of different apps available for iOS to support people with complex communication needs. Whilst some apps require purchasing, others have a free trial available or are completely free of charge. You can see more information on apps available for AAC use using the link below.

Page Updated 25/06/21 by JThompson