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Captions

• Editors must provide synchronized captions for all live multimedia containing audio e.g. audio-only broadcasts, webcasts, videos, video conferences and Flash animations. When uploading a video, you must use a captioning service like those provided by YouTube. We recommend you manually enter captions, and then use the auto sync function versus using the auto captioning services provided on YouTube.
  • sdstate.edu multimedia upload button allows for YouTube links only. They require you to have captioned your videos prior to uploading the link.

Audio Control

• A mechanism should be provided to stop, pause, mute or adjust volume for audio that automatically plays on a page for more than three seconds.
• Do not include autoplaying audio in most cases. If you do embed autoplaying audio, you must use services that provide players to stop, pause, mute and adjust volume controls. YouTube provides this.

Flashing

• No page content should flash more than three times per second unless the flashes emit low contrast and do not contain too much red. Uploaded or embedded content from third-party services must comply with the W3 Standards for acceptable flash thresholds.

Timed Content

• Users need the option to turn off, adjust or extend the time limit of a page or element with timed content; real-time events need not meet this requirement. Users need the option to pause, stop or hide automatically moving, blinking or scrolling content lasting longer than five seconds. You may upload moving, blinking or scrolling content less than five seconds. Users do need the option to pause, stop, hide and manually control automatically updating content e.g. automatically redirecting or refreshing a page, a news ticker, AJAX updated field or notification alert.
• If you embed code or content from third-party services, you must use only those which comply with these time-based guidelines.

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