Meta-data for Video Accessibility Madeleine Rothberg WGBH National Center for Accessible Media SURA/ViDe 6th Annual Digital Video Workshop March 24, 2004

Video Accessibility Captions for deaf/hard of hearing users Sign language video Audio description for blind/low vision users

Captions and Audio Description

Sign Language Video

Resources on Video Accessibility NCAMs Rich Media Accessibility site: –Tools –Tutorials –Examples

World Wide Web Consortium (W3C) Timed Text Working Group Writing a standard to unify three current formats (Microsoft, Real, QuickTime) Covers timing, styling, and metadata

W3C Timed Text Working Group 1st Public Draft in a few months Final recommendation in about a year Public mailing list which gets info updates about every quarter

So, youve made your video accessible, with captions or sign language or audio description. How do you make sure people who need it can find it?

Finding Accessible Content Label it on your site Use familiar logos or abbreviations

Finding Accessible Content, pt. 2 Offer user preferences then serve accessible content automatically

Using Metadata with Preferences IMS Global Learning Consortium offers a Learner Information Profile and a Meta-data spec (in progress) to make this process automatic and interoperable.

Accessibility Profile

Accessibility Profile: Content

Accessibility Meta-data Will label resources such as videos with the information needed to support user needs expressed in the Learner Profile Will have bindings to IEEE LOM and Dublin Core

IMS Currently Offers: IMS Accessibility for Learner Information Profile Specification IMS Guidelines for Developing Accessible Learning Applications

Meta-data for Accessibility Work is now in Progress Contact me if you would like to get involved