Due to the lack of symbols or vocabulary a low tech system could lead to an underestimation of the aac user s abilities.
High tech and low tech aac devices.
The physical situation of the user.
They are usually more sophisticated and more robust systems.
The following are a few examples of the many mid tech light tech aac systems.
High tech aac systems are electronic computer based voice output systems.
Low tech aids may include communication aids that are not electrical or battery operated such as a book of pictures or symbols that can be used to communicate.
These devices range from low tech to high tech and combinations of both.
Examples of high tech communication strategies include ipads with appropriate apps such as proloquo2go other tablets eye gaze devices such as tobii dynavox or other electronic devices.
The options range from low tech devices such as static communication boards to high tech systems such as dedicated devices or apps for tablets or smartphones.
High tech systems provide features that low tech systems cannot come close to matching and they are available to all individuals no matter their age perceived language stage or surmised intellectual level at the time of intervention.
Advantages of high tech devices.
Low tech augmentative and alternative communication aac devices.
There are highly portable units that are suitable for some more mobile users and devices that are better suited for wheelchair or paralized users.
Everyone has the right to access any language system that will meet their needs.