Importance

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Abstract

Methods and systems for providing zapping data for one or more programs transmitted using timeslicing are disclosed herein. Zapping data may be provided by a zapping data provider or server, or may be created at the mobile terminal based on received program information. Zapping data may be provided to mobile terminals via a wireless multicast network, such as a DVB-H network, using a variety of timeslicing techniques, including providing a separate zapping data stream, providing zapping data as part of the source stream, or allowing mobile terminals to derive zapping data from the source content's broadcast stream. Zapping images may be selected from I-frames of video transmissions. An IP encapsulator may synchronize broadcast streams such that I-frames are transmitted concurrently, and at the beginning of timeslice bursts.

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First Claim