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

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• 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

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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

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• 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

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• Reading of Daisy materials

• Daisy players

• Daisy browsers for computers

• Daisy players for mobile phones and internet tablets

Daisy accessible educational materials

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• Interactive reading using speech synthesizers

• Browsing tables

• Interactive reading of mathematical formulas  

• Interactive audio-tactile presentation of pictures

Daisy accessible educational materials

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• Preparing source content

• Defining logical material structure

• Preparing Daisy multimedia materials

Preparing Daisy accessible educational materials

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• 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

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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

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Thank you for your attention