Method and apparatus for producing demand real-time television

Details Method and apparatus for producing demand real-time television Method and apparatus for producing demand real-time television

2006-04-04

2006-04-04

Grant, Christopher (Department: 2611)

Interactive video distribution systems

User-requested video program system

Video-on-demand

C725S091000, C386S349000

Reexamination Certificate

active

07024678

ABSTRACT:
A demand television system comprising a broadcast encoder and a storage encoder. The broadcast encoder encodes a real-time video frame sequence to form a broadcast bitstream and broadcasts the broadcast bitstream to a plurality of subscriber equipment, while simultaneously the storage encoder encodes the real-time video frame sequence to form a storage bitstream that is stored in an information server. The subscriber equipment decodes the broadcast bitstream to display the broadcast program. At any time, the subscriber equipment may request to review the information previously displayed in the broadcast bitstream. As such, the storage bitstream is transmitted to the subscriber equipment. The storage bitstream facilitates standard play of the previously broadcast information as well as trick play such as fast forward and fast reverse functions.

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