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Dictionary of Computers - video-on-demand

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video-on-demand
System for transmission of video by cable where specific videos can be selected from a choice button on the remote control that brings up a menu on screen. Once a choice has been selected a set-top box sends a query to the video server where the video is stored in compressed format. The server sends the video back through the system where it is decompressed by the set-top box. By 2000, various VOD services were being readied for live operation, with transmission via ADSL or cable. They are now available in an increasing number of countries.
© From the Hutchinson Encyclopaedia.
Helicon Publishing LTD 2008.
All rights reserved.

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