摘要 |
Broadcasting methods are disclosed which allow a user to choose between passive or active participation. Information is broadcast to a set-top box or from a database of content. Content is carried in segments which are scheduled into programs. Segments may be updated without altering the schedule which determines a program. A user may depart from a scheduled program or depart from a broadcast and enter a unicast, at will. The user may subsequently rejoin a scheduled replay or broadcast.
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