Digital audio-video presentation display system

Details Digital audio-video presentation display system Digital audio-video presentation display system

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.

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