Pay-per-view
Pay-per-view (PPV) provides a service by which an audience can purchase events to view via private telecast. The broadcaster shows the event at the same time to everyone ordering it (as opposed to video-on-demand systems, which allow viewers to see recorded broadcasts at any time). Events can be purchased using an on-screen guide, an automated telephone system, or through a live customer service representative. Events often include feature films, sporting events, pornographic movies and "special" events such as professional wrestling, mixed martial arts, and boxing.
History
The Zenith Phonevision system became the first pay-per-view system tested in the United States of America. Developed in 1949, it used telephone lines to take and receive orders as well as to de-scramble a broadcast signal. Phonevision field-tests ran for 90 days in Chicago. In 1950, Skiatron tested its Subscriber-Vision system on WOR in New York City. The system used IBM punched cards to de-scramble a signal broadcast during the broadcast station's "off-time". Both systems showed promise, but the FCC denied them permits
- More information is available at [ Wikipedia:Pay-per-view ]
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