释义 |
VOD (Video-On-Demand) A system that allows a user to select and access stored video content as desired. CATV providers, for example, commonly offer VOD, storing large numbers of movies and previously aired television programs on video servers.When the subscriber selects content, the movie or program is accessed on the server, decompressed and streamed over the network, and begins to play almost immediately on the user’s TV set. See also CATV, compression, and server. 74570c22.qxd 9/12/07 12:48 AM Page 524 |