Standard
2 -- Synchronization.
Equivalent alternatives for any multimedia presentation
shall be synchronized with the presentation.
Note: 2.1) Limited access password protected pages with a controlled user
group may identify, in writing, a process for providing access to multimedia
presentations. The process must address how the information will be made accessible
within a comparable time frame and with comparable effort by the user
Examples:
2.1 -- Multimedia files posted to a department page has synchronized
captions.
2.2 -- A web page supporting an on campus
course presents multimedia files and provides a separate statement about
requesting captioning and the instructor/department has a letter from the Office
For Disability Services outlining the time frame and various responsibilities
for providing captioning.
Synchronization -- Dos and Don'ts See also: Standard 1 -- Alternative Text.
| Do |
Don't |
Caption video so that captions appear at the same
time the words are spoken in the video. | Frontload or backload captions, so that captions
appear in large chucks before or after words are spoken in the
video. |
Why: Captions that appear in-synch with the audio of
a video track helps users associate the words with the images and also
helps associate the speaker with the words. How: Divide your captions into "chunks" and
associate the smaller sections with the correct frame of video. Make
captions no longer than three lines per screen.  Get more help with captioning and synchronization
, visit NCAM's
Rich Media Accessibility

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