Applications and Advances in Video on Demand

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Applications and Advances in Video on Demand Video on Demand (VOD) has been actively pursued for the past several years. VOD would accomplish three distinct purposes in terms of community service. These include interactive distance learning, video conferencing, and entertainment. While it is the first two, video conferencing and interactive distance learning, which would serve to the best advantage in terms of education and business; it is the last, entertainment which has the most appeal to the largest number of people. The application of video on demand in terms of education and business is currently being utilized in remote learning programs and company training programs around the nation. Video on demand can take many forms. In the simplest of forms it is a series of Video Cassette Recorders (VCR) located in a control station which are networked to either homes, classrooms, motel rooms, etc. The customer simply calls in their order and a technician retrieves the tape and plays it over the centrally located VCR. This setup and slightly more complex ones which operate under similar procedures, with customers ordering only individual programs, are referred to as one-way multicast (Shenoda). Video on demand is particularly adapted to "narrowcasting" the ability of the networks to economically present specialized television programming even for small audiences (O'Brien). Transport Standards Video on Demand is supported by two major systems and transport standards: Telecommunication Union-Telephony (ITU-T) Recommendation H.320 Audiovisual Systems specifications and related standards and Motion Picture Experts Group (MPEG) systems and standards (Shenoda). Both ITU-T and MPEG were developed with the purpose of supp... ... middle of paper ... ...asis (Shenoda). It will undoubtedly be Video on Demand's utilization in business and application which will bring it to the forefront in terms of commercial applications directed toward entertainment. Sources Cited Lantz, Keith A. New Media: Sounds and images bridge the gap: Businesses increasingly are using video to interconnect distant company locations. Serving them could be an excelle, Telephony, 8 Dec 1997. Lovett, Marcelle C.; Walzak, David P. North Florida Distance Learning Consortium' s innovative distance., T H E Journal (Technological Horizons In Education), 1 Aug 1997. O'Brien, Tom. Cable Smarts Up: 'Narrowcasting' Proves a Success, The World & I, 1 Feb 1997. Shenoda, George. Chief Technical Officer, ADC Kentrox, Portland, Ore., ATM is ready to move MPEG audio, video, Electronic Engineering Times, 20 Jan 1997.

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