Increasing interactivity in IPTV using MPEG-21 descriptors

  • Christos-Nikolaos Anagnostopoulos
  • George Tsekouras
  • Damianos Gavalas
  • Daphne Economou
  • Ioannis Psoroulas
Part of the IFIP The International Federation for Information Processing book series (IFIPAICT, volume 247)


This paper introduces a novel approach for authoring a diversity of multimedia resources (audio, video, text, images, etc). An authoring tool (Developer21) supporting a metadata model according MPEG-21 XML schema files is described. The main scope of Developer21 is to increase interactivity resulting from the use of metadata in several broadcast scenarios in interactive or IP television. In addition to basic functionalities (editing and enrichment of audiovisual contents), innovative content management functionalities of the Developer21 are briefly presented. As the focus of this paper was to provide a brief description of a novel authoring tool for metadata and descriptor management, only core functionalities are presented.


Multimedia Content Authoring Tool Digital Item Multimedia Resource Audiovisual Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© International Federation for Information Processing 2007

Authors and Affiliations

  • Christos-Nikolaos Anagnostopoulos
    • 1
  • George Tsekouras
    • 1
  • Damianos Gavalas
    • 1
  • Daphne Economou
    • 1
  • Ioannis Psoroulas
    • 2
  1. 1.Cultural Technology and Communication Dpt.University of the AegeanMytileneGreece
  2. 2.Electrical and Computer Engineering Dpt., NTUA CampusNational Technical University of AthensAthensGreece

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