Assistive technologies are the useful tool for the impaired people and they can use it to improve their functionality. This technology is very useful for students especially in their classroom as if offers freedom for them. These assistive tools often have electronic devices, physical equipment, and computer software. There are different types of devices available to help the visually impaired people such as Braille technology, magnifiers, optical character recognition, and speech systems.
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Braille technology is implemented in different equipment so that visually impaired people can use it in their routine work. This Braille technology can show more than 80 characters on the screen and it refreshes automatically. There are also Braille printers that transfer the information from system to paper. Another useful Braille device is the Braille note taker that comes with keyboard. The information from the note taker can be retrieved using speech synthesizer or transferred to laptop.
Magnifying technology includes all programs that are specially designed for computers and also video magnifiers. This magnifier can be used along with computer screen, television, and even with the video monitor. The programs for magnifier are loaded in the computer using specific software. Optical character recognition is one of the popular technologies used by the blind people. This technology scans words and characters from the document and saves in the PC or OCR’s memory. The stored information can be accessed using magnifiers or Braille technology.
Speech system is another technology that converts the words from the document into spoken language. This technology comes along with screen reader.