datacasting


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datacasting

Sending data in the vertical blanking interval (VBI) of TV broadcasts. For years, a variety of data has been datacasted to set-top boxes, including weather maps, stock data, games, music videos and V-Chip program ratings. In 2003, Disney introduced its MovieBeam service that datacasts pay-per-view movies over local ABC and PBS stations to a receiver with a built-in antenna. The movies are stored on the receiver's hard disk until the consumer wishes to pay to see one. See vertical blanking interval.
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uses its wireless datacasting network to deliver the new MovieBeam movies-on-demand service launched recently.
The service uses a process called datacasting to squeeze the movie onto the same channels that carry broadcast TV.
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have announced an agreement to develop products which will allow PC and information appliance vendors to build low-cost digital television (DTV) and datacasting reception capabilities into their products.