Video-on-demand system capable of performing a high-speed...

Interactive video distribution systems – User-requested video program system – Video-on-demand

Reexamination Certificate

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Details

C725S091000, C725S092000, C709S219000

Reexamination Certificate

active

06848117

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.

REFERENCES:
patent: 5521630 (1996-05-01), Chen et al.
patent: 5528282 (1996-06-01), Voeten et al.
patent: 5610841 (1997-03-01), Tanaka et al.
patent: 5720037 (1998-02-01), Biliris et al.
Reininger, Daniel, “Transporting Video Across ATMs” Electronic Engineering Times, pp. 56, Feb. 1995.

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