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Summary: The format of your video and the tools you use to play video matter. Consistency is important - nobody wants to try to use three different tools for three different videos. Consider using YouTube since it is University-supported and allows for easy captioning.
Why should you pay attention to the format of your video?
There are many types of video formats at the U. Some are more accessible than others. Some allow for captions and keyboard navigation while others do not. Like with any media, choose the type of format that will be the most accessible to all of your users.
How do you do this?
Video formats are constantly changing. The video format you choose should let the user make the video bigger without losing quality, and provide good keyboard navigation and transcripts.
Youtube creators can "opt in" to the HTML5 version via http://youtube.com/html5.)
It should be noted that not every video on YouTube has been converted to be
playable in the HTML5 player, though it does seem like newly uploaded
videos are automatically encoded in formats that can use the HTML5 player.
The buttons in the HTML5 player report state properly in a screen reader
and it is possible to use the slider controls for scrubbing through a video
and adjusting volume.
Many browsers support both the video element in HTML5 and either the H.264 video codec or the WebM format. These include:
Note: All of your videos should have captions - but the YouTube Auto Caption feature is insufficient. You will need to edit your auto captions or add in your own transcript.