| 摘要 |
A VOD delivery system for delivering program data such as of movies or the like on a real-time basis which are requested by subscribers from time to time, in response to the requests from the subscribers has a reduced number of magnetooptical disks and a reduced number of identical programs available. The VOD delivery system has a library including an automatic cassette changer, a plurality of magnetooptical disk drives each having a plurality of playback heads, a distributor/exchanger circuit for delivering reproduced information from the magnetooptical disk drives to subscriber's residences which have requested a source or sources, and a control computer for controlling the magnetooptical disk drives to output reproduced information from the playback heads depending on access timing from the subscriber's residences.
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