Alternative input devices
What are alternative input devices?
Alternative input devices are hardware or software solutions that enable people with a variety of disabilities to access and control a computer. These devices are alternatives to traditional input methods such as keyboards and mice and are designed to make it easier for users with motor impairments, cognitive impairments or other disabilities to use computer technology.
The importance of alternative input devices for digital accessibility
Alternative input devices play a crucial role in digital accessibility by ensuring that everyone, regardless of physical ability, has access to computer technology and digital resources. They enable customised adaptations that enable independent use of technology and thus greater independence and participation in digital life.
Types of alternative input devices
Switches
Switches are simple input devices that can be operated with different parts of the body, e.g. with the head, foot or by blinking. They enable users with very limited mobility to control computers or use communication aids.
Pointing devices
Specialised pointing devices, such as trackballs, joysticks or eye-tracking systems, offer alternatives to mouse control and enable more precise control for users with motor impairments.
On-screen keyboards and voice input
On-screen keyboards allow text to be entered by tapping letters on the screen with a pointing device or switch. Voice input technologies allow computers to be controlled and text to be entered by spoken commands, which is beneficial for users with motor impairments or visual impairments.
Best practices for the use of alternative input devices
- Individualisation: The selection and configuration of alternative input devices should be tailored to the specific needs and abilities of the user.
- Integration into the workplace: Ensure that alternative input devices can be seamlessly integrated into the user's workplace or home environment.
- Training and support: Users should receive appropriate training and ongoing support in the use of alternative input devices to maximise their effectiveness and usability.
Can alternative input devices be used with all operating systems?
Most modern operating systems offer native support for a range of alternative input devices. However, additional software or drivers may be required for specific devices or customisations.
How do you choose the right alternative input device?
The selection should be based on a thorough assessment of the user's needs, abilities and preferences, ideally with the support of occupational therapists or other professionals specialising in assistive technologies.
Which aids make it easier for people with disabilities to use computers?
To enable people with disabilities to work on computers, input devices specially adapted to their different needs can be used, such as special keyboards, mouse substitutes, joysticks, eye control or speech recognisers.
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