Ken Harrenstien's colleagues at Google call him the "Caption Jedi." Totally deaf since the age of 5, the Senior Software Engineer has arguably done as much for online video captioning as anyone else in the world. As the lead developer responsible for the captioning technology in all of Google's video services including YouTube, his work serves billions of views daily with captions for millions of videos.
Yesterday, YouTube posted a blog about the most recent improvements to that technology: adding Japanese and Korean to automatic captioning capabilities, enabling search for the cc content in videos, offering TV-style captioning options and adding more format compatibilities for uploading captions.
Link to the full article by Michael Humphrey: http://www.forbes.com/sites/michaelhumphrey/2012/02/29/youtubes-closed-caption-jedi-on-cc-upgrades-searchability-and-why-its-personal/