Saturday, 19 December 2009

Direct TV




DirectTV provides television and audio services to subscribers through satellite transmissions. The Services are equivalent to that of many local television services, broadcast television networks, subscription television services, satellite audio and private video services. Subscribers have access to dozens or hundreds of channels.


Small reception antennas are used to accept the services.

Consumers who purchased DirecTV equipment subscribe to various packages of Direct TV programming for which the subscriber pays a monthly fee. A subscriber also can order pay-per-view events and movies. DirecTV contracts with and pays program providers such as cable networks, motion picture distributors, sports leagues, event promoters, and other programming rights holders, for the right to distribute their programming to its subscribers.

All programming distributed by Directv is delivered to its broadcast centers in California, where it is then digitized and compressed. The resulting signal is encrypted, or electronically scrambled, by DirecTV to prevent its unauthorized reception. DirecTV then transmits these signals to several satellites located in stationary orbit approximately 22,300 miles above the equator from where these were directed to individual customer’s antenna.

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