According to the National Association of the Deaf, about 37 million people in the U.S. have some type of hearing loss. For those who have a hearing impairment, closed captioning is essential for ensuring equal access to information. This tutorial covers some of the guidelines in the Captioning Key for Educational Media prepared by the National Association of the Deaf.

The visual notifications feature of Windows 7 can set up your computer to use a screen flash whenever there is a system alert that uses sound. This feature is helpful to people with hearing impairments that might miss those alerts.

ITunes U is a section of the iTunes store where universities and other educational institutions make free content available for use in the classroom. For students with hearing impairments, you can search iTunes U for closed-captioned content.

Closed captioning allows people with hearing impairments to read what is being said onscreen. iTunes, the free media manager from Apple, supports closed captions.

Closed captioning allows people with hearing impairments to read what is being said onscreen. Both versions of Quicktime Player, the free media player included with Mac OS X, support closed captioning.

The Hearing pane of the Universal Access window has several options for people with hearing impairments.

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