accessibility of math educational materials for visually impaired people piotr brzoza krzysztof...
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Accessibility of math educational materials for visually impaired people
Piotr BrzozaKrzysztof Dobosz
Silesian University of Technology, Department of Computer Science 2/13
Accessibility of printed educational materials:
• Scanning
• Optical characters recognition
• Content editing
• Add / editing of logical material structure
• Adaptation
• Conversion to accessible form:– large print – Braille – accessible digital materials
Access to common used educational materials
Silesian University of Technology, Department of Computer Science 3/13
• Access to digital content
• Browsers accessibility
• Using browsers with assistive technologies
• E-learning platform accessibility
• Digital copy rights management and content accessibility
• Logging to e-learning systems
• Accessible navigation
• Digital content accessibility
• Using e-learning platforms and educational software
Accessibility of digital educational materials
Silesian University of Technology, Department of Computer Science 4/13
Adaptation of educational materials
Source materials from authors
Source publishing materials
Large printAccessible digital
materials
Editing Add / editing of logical material structure
Conversion Adaptation
collaboration with publishers
Braille
Silesian University of Technology, Department of Computer Science 5/13
• Accessibility standards and guidelines
• Authoring tools
• Conversion tools
• Tools supporting of content adaptations
• Adaptations for low vision and blind people
Preparing accessible digital educational materials
Silesian University of Technology, Department of Computer Science 6/13
• Text
• Tables
• Mathematical formulas
• Pictures
• Graphs diagrams and schemas
• Foot notes
• Icons and graphical elements
• Interactive content
• Films and animations
Preparing accessible digital educational materials
- content adaptation
Silesian University of Technology, Department of Computer Science 7/13
• Digital accessible information system
• Daisy consortium (www.daisy.org)• Multimedia synchronous presentation: text illustrations
and audio narration recording
• Easy navigation in materials logical structure• Accessible content presentations adapted to impaired
users needs
• Adding bookmarks and notes
Daisy - accessible multimedia digital format
Silesian University of Technology, Department of Computer Science 8/13
• Reading of Daisy materials
• Daisy players
• Daisy browsers for computers
• Daisy players for mobile phones and internet tablets
Daisy accessible educational materials
Silesian University of Technology, Department of Computer Science 9/13
• Interactive reading using speech synthesizers
• Browsing tables
• Interactive reading of mathematical formulas
• Interactive audio-tactile presentation of pictures
Daisy accessible educational materials
Silesian University of Technology, Department of Computer Science 10/13
• Preparing source content
• Defining logical material structure
• Preparing Daisy multimedia materials
Preparing Daisy accessible educational materials
Silesian University of Technology, Department of Computer Science 11/13
• Graphics conversion
• Editing, describing and adaptation of images
• Testing usability of interactive audio-tactile graphics
• Testing usability of interactive visual-audio graphics
Preparing interactive audio-tactile graphic
Silesian University of Technology, Department of Computer Science 12/13
Tools for two-directional communication
Accessible communication between impaired students
and teachersTeacher
Impaired student
Preparing content in accessible form and environment (audio, Braille, tactile)
WYSIWYG content preparation
Conversion to accessible form
Visualization of prepared content
Silesian University of Technology, Department of Computer Science 13/13
Thank you for your attention