Making web video accessible

Abstract

This paper discusses four interaction design patterns that constitute assistive solutions to enhance the accessibility of audible and visual information inside learning environments. These patterns result from a content analysis of 118 video environments that were designated for learning. The analysis yields a pattern language of currently 40 patterns that describes common solutions of recurring problems in the design and development of video learning environments. Beside the complete representation of the accessibility patterns Closed Captions, Transcript, Zoom, and Shortcut Commands, this paper draws attention to possible ways of structuring the pattern language.

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