Meta-data for Video Accessibility

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Meta-data for Video Accessibility

• Madeleine RothbergWGBH National Center for
  Accessible MediaSURA/ViDe 6th Annual Digital
  Video WorkshopMarch 24, 2004

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Video Accessibility

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

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Captions and Audio Description
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Sign Language Video

• http//pbskids.org/lions/cornerstones/

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Resources on Video Accessibility

• NCAMs Rich Media Accessibility site
• Tools
• Tutorials
• Examples
• http//ncam.wgbh.org/richmedia

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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

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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
• http//www.w3.org/AudioVideo/TT/

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• 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?

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Finding Accessible Content

• Label it on your site
• Use familiar logos or abbreviations

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Finding Accessible Content, pt. 2

• Offer user preferences then serve accessible
  content automatically

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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.

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Accessibility Profile
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Accessibility Profile Content
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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

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IMS Currently Offers

• IMS Accessibility for Learner Information Profile
  Specification
• IMS Guidelines for Developing Accessible Learning
  Applications
• http//imsglobal.org/accessibility

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Meta-data for AccessibilityWork is now in
Progress

• Contact meif you would like to get involved
• Madeleine_Rothberg_at_wgbh.org