PBS in the USA used VideoCipher I on its satellite feeds to its member stations in the mid-80s to take advantage of the high-fidelity digital audio capability offered by VCI. Due to costs involved with VC1, maintaining VCI a descrambler was determined to be too expensive for consumer use. HBO's use of VCI would have required descramblers for home satellite viewers. HBO tested VCI extensively, but was ultimately rejected in favor of Videocipher II. Videocipher I (VCI) system was initially considered for use by HBO in the 1980s. This system was in use as late as the early 2000s. With this system the video is scrambled by means of re-ordering the video scan lines, while all audio remains in the clear. In Canada, the CTV television network also used this technology on its network feeds.
CBS used this system from 1987 to the mid-1990s to encrypt its transmissions to affiliates on the Telstar 301 and Telstar 302 satellites. This was the first version of the Videocipher system that was first demonstrated by Linkabit in 1983.Īlso known as Videocipher IB, this variation on Videocipher was commonly used by sports backhauls. There are several variants of the Videocipher scrambling system: Videocipher I Indovision also used Videocipher to encrypt their channels as a counteract against piracy between 19. Videocipher was used throughout the 1990s by RCTI and SCTV to encrypt some foreign programs (such as sports events and movies) as part of the term of their rights, to prevent overseas access so that the programs could only be accessed through the RCTI and SCTV networks via UHF/VHF frequency in Indonesia. In an effort to prevent a growing number of homes from viewing the channels for free, HBO in January 1986, decided to begin scrambling their satellite signals.
In the mid 1980s HBO, Cinemax and several other cable providers were facing an uphill battle trying to prevent owners of TVRO equipment from viewing what were at the time free over the air signals.
The Linkabit division was acquired by General Instrument in 1987. In the mid 1980s, M/A-COM began divesting divisions which fell outside their core RF & Microwave component and subsystem products. Videocipher was invented in 1983 by Linkabit Corporation (later bought out by M/A-COM in 1985, operated as M/A-COM Linkabit).
It was especially notable due to the widespread compromise of its encryption scheme.
The second version of Videocipher, Videocipher II, was the primary encryption scheme used by major cable TV programmers to prevent TVRO owners from receiving free terrestrial television programming. VideoCipher is a brand name of analog scrambling and de-scrambling equipment for cable and satellitetelevision invented primarily to enforce Television receive-only (TVRO) satellite equipment to only receive TV programming on a subscription basis. MNC Vision menghadirkan beragam promo menarik bagi pelanggan setia dan juga pelanggan baru MNC Vision berupa Promo Regular maupun kerjasama dengan partner perbankan. Videocipher II satellite descrambler stand-alone box sold by General Instrument