MPEG-21 digital items to support integration of heterogeneous multimedia content

The MELISA system is a distributed platform for multi-platform sports content broadcasting, providing end users with a wide range of real-time interactive services during the sport event, such as statistics, visual aids or enhancements, betting, and user- and context-specific advertisements. In this paper, we present the revamped design of the complete system and the implementation of a middleware entity utilizing concepts present in the emerging MPEG-21 framework. More specifically, all multimedia content is packaged in a self-contained ‘‘digital item’’, containing both the binary information (video, graphics, etc.) required for the playback, as well as structured representations of the different entities that can handle this item and the actions they can perform on it. This module essentially stands between the different components of the integrated content preparation system, thereby not disrupting their original functionality at all; additional tweaks are performed in ...

• Type: Journal
• Year: 2007
• Where: COMCOM
• Authors: Kostas Karpouzis, Ilias Maglogiannis, Emmanuel Papaioannou, Dimitrios D. Vergados, Angelos N. Rouskas
• Keywords: COMCOM 2007, Integrated Content Preparation, Real-time Interactive Services, Self-contained ‘‘digital Item