Video-on-demand system capable of performing a high-speed playback at a correct speed
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United States of America Patent
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Jul 13, 1999
Issued Date -
N/A
app pub date -
Dec 11, 1998
filing date -
Dec 1, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A video server apparatus is provided with a stream control section which determines a keyframe readout interval and a keyframe playback interval that satisfy a playback speed designated by a terminal apparatus. The video server apparatus transmits data of the thus-determined keyframe playback interval to the terminal apparatus. The video server apparatus reads out keyframes of a stored bit stream from at the thus-determined keyframe readout interval, and transmits a stream including the read-out keyframes to the terminal apparatus. The terminal apparatus decodes and displays the transmitted stream at the received keyframe playback interval. This system can correctly perform a playback at an arbitrary speed that is designated by the terminal apparatus.
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