H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/24
H04N 7/173 (2006.01)
Patent
CA 2001263
ABSTRACT A digital audio-video presentation display system is disclosed for use in an interactive communica- tions system wherein a subscriber may select for viewing on a television a plurality of audio-video presentations consisting of particular sequences of selected video frames and accompanying audio. The digital audio-video presentation display system is responsive to commands from a host computer which designates and prepares the presentation for playback to the television of the subscriber who has requested it. The digital audio-video presentation display system includes a digital mass storage subsystem which provides for digital storage of compressed video and audio data, and a plurality of digital audio-video display subsystems which include means for retrieving the selected data from the storage subsystem, means for expanding and reformatting the data into a format suitable for television transmission, and means for controlling the transmission of the information to the subscriber who has requested it.
Fischer James L.
Lodberg Allan E.
Mccalley Karl W.
Mcnorgan Richard
Wilson Steven D.
Osler Hoskin & Harcourt Llp
Telaction Corporation
LandOfFree
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