Digital Video
As Internet connection speeds have increased, the popularity of digital video
on the web has greatly increased. Digital video (a term which, in this
context, refers to digital media files that may feature both audio and
video content) can be delivered in two ways: streaming and downloadable.
"Streaming" is the simultaneous transfer and display of digital video from
the Internet. The video file resides only on the server machine and is not
copied to the client machine, so if the user watches the video a second
time, it is again transferred and displayed from the server. A "downloadable"
video can be copied to a client machine, and this local copy is then
played by the user.
Without some effort to add accessibility features, digital video files are not completely accessible to users who are deaf, hard of hearing, blind, or visually impaired.
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Impacts of Accessibility Issues
Accessibility issues associated with digital video impact users with the following disability types: