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History
Television encryption
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Television encryption, often referred to as scrambling, is encryption used to control access to pay television services, usually cable, satellite, or Internet Protocol television (IPTV) services.
A scrambled channel featuring a Paramount Pictures film (Possibly VideoCipher II or Oak ORION. Horizontal and vertical synch signal have been replaced
A scrambled channel featuring a Paramount Pictures film (Possibly VideoCipher II or Oak ORION. Horizontal and vertical synch signal have been replaced by digital data with the effect that the picture is not properly displayed on the TV screen. ) as viewed without a decoder.
Satellite television
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Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location. The signals are received via an outdoor parabolic antenna commonly referred to as a satellite dish and a low-noise block downconverter.
A number of satellite dishes
A number of satellite dishes
Back view of a linear polarised LNB.
Back view of a linear polarised LNB.
Satellite television diagram
Satellite television diagram
A DTH Satellite dish from India.
A DTH Satellite dish from India.