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SC Web Accessibility Conference Presentation

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Create captions using MAGPie

Create captions using MAGPie

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  • 1. Creating Captions and Audio Descriptions Using MAGpie Video Accessibility Michael Zanfardino Multimedia Developer – Midlands Technical College March 29th, 2007 SC Web Accessibility Conference
  • 2. Introduction
    • What is Video Accessibility?
    • What is Closed Captioning?
    • Software for Creating Captions
    • Audio Descriptions
    • Example
    • Resources
  • 3. What is Video Accessibility?
    • Synchronized captions should be provided any time audio content is present.
    • Synchronized captions pertain to the use of audio and video played through:
        • multimedia players
        • web multimedia presentation created using Flash, Shockwave, or Java.
  • 4. What is Closed Captioning?
    • Closed captioning (CC) allows:
        • deaf and hard of hearing individuals
        • people learning English as an additional language
        • people first learning how to read
        • people in a noisy environment
        • and others to read a transcript or dialogue of the audio portion of a video, film, or other presentation.
    • Common Web accessibility guidelines indicate that captions should be:
        • Synchronized - text appear at approximately the same time the audio would
        • Equivalent - captions should correspond to that of the spoken word
        • Accessible - caption content should be readily available
  • 5. Software for Creating Captions
    • MAGpie
    • Hi-Caption
    • Both MAGpie and Hi-Caption provides a development environment that allows users to caption and synchronize captions to content while they listen to or watch their media files.
  • 6. MAGpie
    • Media Access Generator (MAGpie)
    • Free from National Center for Accessible Media (NCAM)
    • Latest version works with your Flash content
      • Timed Text (TT) Authoring Format 1.0 – Distribution Format Exchange Profile (DFXP)
  • 7. Hi-Caption
    • Hi-Caption is HiSoftware's solution to create synchronized captions for Web multimedia.
    • Not free
    • Additionally, Hi-Caption seamlessly integrates with HiSoftware's other accessibility testing and monitoring solutions (i.e. AccVerify, AccRepair, and AccMonitor).
  • 8. Audio Descriptions
    • Audio descriptions provide additional information about what is visible on the screen. This allows video content to be accessible to those with visual disabilities. Audio descriptions are helpful on the web if visual content in web video provides important content not available through the audio alone.
    • Can you visualize what is being described?
      • (play audio file)
    • Steps:
      • Write Audio Descriptions
      • Record or Import Audio Descriptions
      • Time the Audio Descriptions
      • Review Your Work
      • Export the Project and Test the Presentation
  • 9. Example
    • Example using MAGpie
  • 10. Caption steps
    • Setting Up a Project
    • Adding Captions
    • Synchronizing Captions
    • Exporting Caption Files
  • 11. File types
    • SMIL (Synchronized Multimedia Integration Language)
      • A standards-based language used by Quicktime and RealPlayer to control the layout and presentation of visual and audible items. SMIL is used to control the display, positioning, and timing of captions and audio/video multimedia. The captions themselves are stored in a Text Track file if you're using Quicktime or a RealText file if you're using RealPlayer.
  • 12. File types (cont.)
    • SAMI (Synchronized Accessible Media Interchange)
      • Microsoft's technique for adding captions for Windows Media Player. A SAMI file contains the text to be displayed within the captions and information that synchronizes individual caption displays to the multimedia presentation.
  • 13. Resources
    • AbleTV - Creating Accessible Multimedia:
      • http://mirwin.homestead.com/files/brochure_2003_01.htm
    • Closed Captioning FAQ Index:
      • http:// www.robson.org/capfaq /
    • National Center for Accessible Media:
      • http:// ncam.wgbh.org /
    • National Center for Accessible Media CC for Flash:
      • http:// ncam.wgbh.org/webaccess/ccforflash /
    • Webaim - Web Captioning:
      • http:// www.webaim.org /services/captioning/
  • 14. The end
    • Any questions?
    • Thank you!

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