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This information comes from Gary Robson’s book Inside
Captioning pages 6 and 7.
Microsoft
announced in 1997 its SAMI (Synchronized Accessible Media Interchange) format,
which is one method to allow multimedia authors to put captioning on Web sites and
CD-ROMs. It allows for creation of a separate
file containing closed-captioned text which is then synchronized with the multimedia file
and read by DirectShow.
QuickTime movie clips is another
method being used by The National Center for Accessible Media (NCAM). “The method is described in Judith L.
Stern & Robert A. Lettieri’s book QuickTime: The Official Guide for Macintosh
Users (Hayden Books, 1994). The text of
the captions is stored separately from the video itself and synchronized with the video. If you have an appropriate player, such as
MoviePlayer 2.1 for the Macintosh, you can actually turn the captioning on and off, just
like closed captioning on television. With
most other QuickTime players, the captions are visible all the time, as open captions or
subtitles.”
Understanding
SAMI
Quicktime
Captioning
Overview
of Quicktime Captioning
CCaption
CPC
Computer Prompting and Captioning
New Developments
HDTV
SGML and Captioning
by Joe Clark
Digital Captions in Multimedia
NCIP
Invitation: If you have current information on computer video
captioning that you would like to share with other educators, send it to me and I will
update this section.
vmorgan@cerritos.edu
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