National Center for Accessible Media (NCAM)
NCAM is a research and development facility dedicated to media and information technology accessibility for people with disabilities. NCAM's Learning Area (http://ncam.wgbh.org/richmedia/tutorials/) provides three tutorials to help developers learn how to incorporate accessibility features into rich media. Tutorial titles include Creating Captions for Rich Media, Adding a Caption Track in QuickTime, and Creating Audio Descriptions for Rich Media.
National Center for Accessible Media (NCAM) 
(http://ncam.wgbh.org/)
