HTML 5—The Accessibility Story

Advisory Committee Meeting, 2-4 November 2010, Lyon France

Introduction

Janina Sajka Janina was a blond!

Chair, Protocols and Formats WG
Co-Facilitator, HTML Accessibility Task Force
Chair, Linux Foundation Open Accessibility
Editor, ISO 13066-4 Linux/Unix Graphical Desktop Accessibility
Member, JTC1 Special Working Group on Accessibility

WAI-ARIA—Our 1.0 Story

Should be on everyone's radar by now ☺
Similar accessibility issues arise in many content languages, need a consistent solution
WAI-ARIA is designed to cover accessibility needs in a content language-independent way

WAI-ARIA Overview

Intentional Events—Our Newest Story

Intentional Events for authors (undo, zoom, etc.)
Device events for users (mouse, keyboard, voice, touch, etc.)
To be developed probably in the Web Events Working Group
Incorporates concepts described in User Interface Independence for Accessible Rich Internet Applications

The HTML Accessibility Task Force Story

HTML Accessibility Task Force is a joint task force of the PFWG and the HTML WG
Opportunity for developing consensus

Three key remaining activities:

Mapping ARIA to HTML
Canvas
Media accessibility (see Media Accessibility User Requirements)

Meeting User Needs on Accessible Media

What do people use?

Type of Disability	Alternative Content Technologies
Blindness, Low Vision, & Atypical Color Perception	Described video, structured navigation, access to controls
Deafness & Hard of Hearing	Captions, clear audio, sign language translation
Deaf-Blind	Video descriptions, captions, structured navigation, transcripts, access to controls
Dexterity / Mobility Impairment	Access to controls
Cognitive and Neurological Disabilities	Video descriptions, captions (reinforcement)

Tieing it all Together with Media

Need ability to synchronize any combination of the following alternate media with the primary media resource:

Alternate Media Types	Examples
Streamable text	Texted video descriptions, extended texted video description, caption, enhanced caption, transcript, subtitles
Secondary Audio	Video description, extended video description, clear audio, alternate languages
Secondary Video	Sign language translation