So, just what are the basics to know about Multi-Media accessibility?
Implement W3C WCAG guidelines to fulfill the U.S. Rehabilitation Act.
Transcripts and captions must be provided and having one does not substitute for having the other.
Captions - must be synchronized, equivalent, and accessible.
Synchronized: The text content appears at the same time as audio.
Equivalent: Captions should be equivalent to that of the spoken word.
Accessible: Captions should be readily accessible and available.
Use multi-media players with accessible controls for stop; pause; previous; and next. The controls must be visible (color and size) and available from the keyboard (not mouse dependent).