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The "HTML5 Video Captions" Lesson is part of the full, Introduction to HTML5 and CSS3 course featured in this preview video. Here's what you'd learn in this lesson:
Historically, Flash captioning has been ridiculously cumbersome, though its function is proven to help literacy, etc. http://www.idonline.org/article/35793 Quick & Dirty Captioning in HTML5 (1) get the jCaps plugin at http://github.com/johnmcc/jCaps (2) download the video transcription from YouTube just for the timecodes and save as an SRT file (3) open the file and edit text then add to the video with track sourcing. SIDE NOTE: Ensure accessibility by offering text and HTML versions to broaden readership.