The old cable box decrypts its set of data and discards the Passage bits, while a Passage-enabled box decrypts only the Passage-encoded video.
FORBES: Sony busts up the powerful cable-box duopoly.
First, the video frame is transformed and encoded on to a data beam.
ECONOMIST: Optical recognition
Video and audio clips are now encoded in the new embedded player, though some clips and archived content will continue to be available in the pop-up player format.
BBC: Your guide to the BBC Embedded Media Player
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