4. EPUB 3.1
Accessibility Enhancements
Matt Garrish, DAISY Consortium
EPUB Accessibility and EDUPUB Alliance Summit
2016-2-24
University of Maryland University College
5. WAI-ARIA※ Integration
• Change from epub:type to ARIA role attribute
– Compatible with both XHTML and HTML
– Broader integration with assistive technologies
• WAI-ARIA Digital Publishing Module
– https://www.w3.org/TR/dpub-aria-1.0/
• Under development
– Identifying types of links
– Extended descriptions
※Web Accessibility Initiative – Accessible Rich Internet Applications
6.
7. Metadata
• Discoverability
– Requirement for schema.org accessibility metadata
– Introduction of accessMode and accessModeSufficient
– Identification of text/audio synchronization (Media Overlays)
– Identify EPUBs that are audiobooks
• Braille identification
– Extending accessibilityFeature=braille
– Need to develop naming conventions
• EPUB certification
8. Audio Enhancements
• Addition of a new voice-optimized codec
– OPUS
• Audio labels in the navigation document
• Media Overlays enhancements
– Highlighting for when playback suspended
9. Accessibility Profile
• Ensure requirements that can be applied to 3.0/3.1/x.x
Publications
• Allow each specification/profile to indicate conformance
– EPUB 3.1 might start as a “should”, while EPUB for Education
could enforce as a “must”