Dynamic frame dropping for bandwidth control in MPEG streaming system

Hojung Cha, Jaehak Oh, Rhan Ha

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


In a network environment where the available bandwidth changes dynamically, it is desirable for a streaming system to control the media quality in an adaptive way according to the dynamics of underlying network resource. This paper presents the implementation of a real-time MPEG filtering system which uses the concept of dynamic frame-drop. The filtering system drops video frames in a controlled way and reconstructs a valid MPEG system stream in real-time. The system consists of a sequence of filtering modules and each module is carefully designed to maintain the synchronization characteristics of real-time streaming. A special effort is given to the correct implementation of video and audio synchronization after frame-drop. The experiments show that the implemented system produces a valid MPEG system stream after filtering as well as the media bandwidth of a filtered stream is dynamically controlled by a given frame-drop policy.

Original languageEnglish
Pages (from-to)155-178
Number of pages24
JournalMultimedia Tools and Applications
Issue number2
Publication statusPublished - 2003 Feb

Bibliographical note

Funding Information:
This work was partly supported by the Basic Research Program of the Korea Science and Engineering Foundation (97-01-00-12-01-5, R2002-000-00141-0, R04-2002-000-00039) and by by HY-SDR Research Center from the ITRC Program of MIC, Korea.

All Science Journal Classification (ASJC) codes

  • Software
  • Media Technology
  • Hardware and Architecture
  • Computer Networks and Communications


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