computer technologies for accessible education, t. zafirova & p. boytchev
DESCRIPTION
Presents different types of assistive technologies that improve accessibility to computer system for users with special needs and describes how these tools can be useful in solving educational problems.TRANSCRIPT
Computer Technologies for
Accessible Education
T. Zafirova-MalchevaP. Boytchev
[MIE 2013]September 19-21, 2013, Sofia, Bulgaria
Students with Special Educational Needs(SEN)
Main Problemsperception and processing of visual information
Visually impairedlow vision or blind
Hearing impaired
Physical disabilities
Learning disabilitiesdyslexia
perception of audio information
physical limitations of handling control and computer devices access
difficulties to acquire educational material
Basic components of education
Hardware and software
Course materials
Teachers
Accessibility
Hardware
Software
Assistive technologies
Hardware
Alternative devices– Braille displays– Braille printers– Braille keyboards– Trackballs– Joy sticks– Switches
Adapted standart devices– Large print labels– Braille labels– Key guards
SoftwareOperating system (OS) settings
– mouse buttons functions– double click speed– cursor shape, color, size
or speed– control the mouse pointer
through the keyboard– keyboard filters
Alternative software– screen reader/ Text-to-
speech– magnification software – on-screen keyboard – Optical Character
Recognition software (OCR)
Accessibility tools for Visually impaired
– adapting screen – OS settings
– screen magnifiers
Low vision students
Blind and Low vision students
– text-to-speech software and screen readers
– Braille displays, printers and keyboard
– OCR software– Braille stickers to adapt standard keyboard
– ten-fingers writing system using BDS keyboard layout
Accessibility tools for Physical disabilities
– OS settings– keyboard filters and key guard
– virtual keyboard in scanning mode
– alternative electronic pointing devices
Fine motor skills
Make it accessible
Scanner
Printededucationalmaterials
OCRsoftware
Electronictext
Brailledisplay
Screenreaders
Make it accessible
Braillelabels
Standardkeyboard
BDSkeyboardlayout
Electronictext
Screenreaders
SpeechAbilityto write
Computer Technologies for
Accessible Education
Sofia University"St. Kliment Ohridski„
Faculty ofMathematics and Informatics
Doctoral conferencein Mathematics,
Informatics and Education
September 19-21, 2013Sofia, Bulgaria