Digital audio-video presentation display system
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United States of America Patent
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Jun 2, 1992
Issued Date -
N/A
app pub date -
Sep 4, 1990
filing date -
Oct 25, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An audio-video presentation display system based on manipulation of digitized information is disclosed for use in an interactive communications system wherein a subscriber may select for viewing on a television screen a plurality of audio-video presentations consisting of particular sequences of selected video frames and accompanying audio information. The 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 audio-video presentation display system includes a digital mass storage subsystem which provides for digital storage of compressed video and digitized audio information, and a plurality of digital audio-video display subsystems which include mechanisms for retrieving the selected digitized information from the storage subsystem, a subsystem for expanding and reformatting the data into a format suitable for television transmission, and another subsystem for controlling the transmission of the information to the subscriber who has requested it.
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