Pre-recorded multi-media S.C. 1.2.2 Captions (Prerecorded): Captions are provided for all prerecorded audio content in synchronized media, except when the media is a media alternative for text and clearly labeled. (Level A) Open (always visible) captions All dialogue and important sounds are embedded as text in the video track. No special user agent support required. Closed captions using any readily available media format that supports closed captioning All dialogue and important sounds are embedded as text in a way that allows the text to be visible only when requested. Closed captions using Synchronized Multimedia Integration Language (SMIL)
E.G: “ Refreshable Braille and the Web ” http://www.dingoaccess.com/accessibility/refreshable-braille-and-the-web/ Enter captions, edit captions, mark as complete
What is SMIL? S ynchronized M ultimedia I ntegration L anguage SMIL is an official W3C mark-up language SMIL can be used with multi-media presentations to integrate audio and/or video with images, text, and alternative audio equivalents. More information: “Accessibility Features of SMIL” (1999) http://www.w3.org/TR/SMIL-access/
Text file (Captions with timestamps) Video file (various possible formats) SMIL file Video player
A SMIL file contains:
The layout of the presentation
The timeline of the presentation
The source of the multimedia elements
Captioning with SMIL
Works with many players SMIL captioned can be viewed in many formats, including Many captioning tools available including MAGpie ( http://ncam.wgbh.org/invent_build/web_multimedia/tools-guidelines/magpie ) Make life easy
S.C. 1.2.5Audio Description (Prerecorded): Audio description is provided for all prerecorded video content in synchronized media. (Level AA) S.C. 1.2.3 Audio Description or Media Alternative (Prerecorded): An alternative for time-based media or audio description of the prerecorded video content is provided for synchronized media, except when the media is a media alternative for text. (Level A) 1.2.6 Sign Language (Prerecorded): Sign language interpretation is provided for all prerecorded audio content in synchronized media. (Level AAA) Various techniques for providing a separate user-selectable audio track for descriptions, closed and open captions and SMIL Audio descriptions and signing Signing
Must click into this to make upload button available – don’t have to enter any info Upload file, and wait.
Video: http://www.youtube.com/dingoaccess#p/a/u/0/G8HnmItcNkE YouTube captions and translations
More Information: UIAccess has a list of transcript service providers: http://www.uiaccess.com/transcripts/transcript_services.html Is the requirement to provide a transcript and/or caption for pre-recorded content too onerous? Many companies now prepare transcripts and/or captions for audio and video content. Indication of costs and time:
Audio transcript costs: $1.00 - $10.00 per minute.
Video caption costs: From transcript approx $50 per hour
Turnaround time: 1- 10 days
What do you think?
What about live audio and/or video? S.C. 1.2.4 Captions (Live): Captions are provided for all live audio content in synchronized media. (Level AA) Indication of costs: CaptionsDirect in South Australia provides remote live captioning for $165 per hour. http://www.captionsdirect.com.au/ Captions provide the audio content and should also identify who is speaking and describe significant sound effects.