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B-MAC

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File:PAL and D2-MAC transmissions.png
The simultaneous PAL transmission of all TV-picture elements and the multiplexed transmission of the TV picture elements with D2-MAC.


Simulated MAC signal. From left to right: digital data, chrominance and luminance

History of B-MAC

A-MAC was created for...


MAC FAQ =

MAC transmits luminance and chrominance data separately in time rather than separately in frequency (as other analog television formats do, such as composite video).

Audio and Scrambling (selective access)

  • Audio, in a format similar to NICAM was transmitted digitally rather than as an FM subcarrier.
  • The MAC standard included a standard scrambling system, EuroCrypt, a precursor to the standard DVB-CSA encryption system.

See Also

Weblinks

TV transmission systems


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