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Possible Purposes include:
Access for people with disabilities.
Improved access for people with low reading skills.
Present information quickly.
Multi-media production for computer users has become a popular method to package information in more appealing, engaging and for some people, interactive ways. Publications can be turned into mini-movies complete with sound, video, text and graphics making learning more effective, enjoyable and rewarding.
Popular methods used to distribute multi-media production include Compact Disc and the Internet.
Making Multi-Media Accessible
Thanks to a technical language known as SMIL or "Synchronized Multimedia Integration Language," additional or alternate content can be built into some multi-media productions. These may include alternate language audio tracks, text for open captioning and described video tracks.
SMIL and other similar technical languages can therefore make information in multi-media productions accessible to a greater number of people.
By offering a range of choices for content, users can utilize those that are the most appropriate or convenient. For example, SMIL can allow text display of multi-media not only for people with disabilities but also users who prefer a silent environment.
In cases where additional content tracks cannot be included or are not present (as with many older multi-media productions), a separate text equivalent should always accompany the multi-media production.