An approach based on events for treating the late tuning problem in interactive live TV shows

ABSTRACT

This paper presents a proposal to solve the late tuning problem. It proposes a procedural specification approach based on events for interactive scenarios, with a focus on Interactive Digital TV (IDTV). Unlike the traditional approaches, the proposed one tries to specify what events may occur during a content live presentation and not when these events occur. This allows handler synchronization relations between anchors not known at authoring time. The approach also allows defining what actions should be taken, both by the broadcaster as the receiver, in order to treat an event. The proposed approach is specified using the object oriented notation. Thus, the medias that make part of a live presentation are represented by objects and their relations synchronization are represented by messages exchanged among these objects. The choice of this approach seeks to meet the demands of programs designed for ISDB-TB.

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Index Terms

• Applied computing

  • Document management and text processing

    • Document preparation

      • Multi / mixed media creation

• Human-centered computing

  • Human computer interaction (HCI)

    • Interaction paradigms

      • Hypertext / hypermedia