Quote:
5,132,992 - Jan 1991
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is sent over standard telephone, cable or satellite broadcast channels to a receiver specified by a subscriber of the service, preferably in less than real time, for later playback and optional recording on standard audio and/or video tape.
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That's a bit fague...... wouldn't it have to be in a specific format which they actually provided. Sounds like they are going be challenging SKY/CABLE with this too judging by that.