[Ogg a11y] Fwd: [whatwg] Captions, Subtitles and the Video Element
danclar1 at msn.com
Thu Feb 26 14:56:21 PST 2009
This may not be revelant to your discussion, but this is the explanation I received from Discovery Channel when I questioned their delayed captioning. I'm not sure how Internet video captions will be processed, but thought I'd send this along.
The program is being viewed in real-time (live) captioned. Live captioning is being created as the show airs. Oftentimes there is no advanced warning as to the specific content of the show, and the captioner can make mistakes while transcribing the program as it progresses. Because this type of captioning is created after the dialogue has been heard by the real-time captioner, there is an inherent delay associated with live captioning. Live captioning is necessary when the program delivers too close to air to be able to caption the program offline - a process which takes, on average, 8 hours for every 1 hour of programming.
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