| 摘要 |
Methods and apparatus for making two or more different video programs, such as live sports or news programs, available for viewing at the same time. At any given time, the viewer may actually be watching only one of, some of, or all of these programs, but has the ability to switch attention from program to program, without missing the content of any of the programs. This is accomplished by placing all of the program streams in storage, and allowing the viewer to selectively watch one program while suspending the playback of the others. The user can select any of these program streams to watch, and can pause, replay, jump forward and backward in time to any desired portion of the selected program stream.
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