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Optimized H.264/AVC-Based Bit Stream Switching for Mobile Video Streaming

  • Thomas StockhammerEmail author
  • Günther Liebl
  • Michael Walter
Open Access
Research Article
Part of the following topical collections:
  1. Advanced Video Technologies and Applications for H.264/AVC and Beyond

Abstract

We show the suitability of H.264/MPEG-4 AVC extended profile for wireless video streaming applications. In particular, we exploit the advanced bit stream switching capabilities using SP/SI pictures defined in the H.264/MPEG-4 AVC standard. For both types of switching pictures, optimized encoders are developed. We introduce a framework for dynamic switching and frame scheduling. For this purpose we define an appropriate abstract representation for media encoded for video streaming, as well as for the characteristics of wireless variable bit rate channels. The achievable performance gains over H.264/MPEG-4 AVC with constant bit rate (CBR) encoding are shown for wireless video streaming over enhanced GPRS (EGPRS).

Keywords

Video Stream Video Streaming Abstract Representation Streaming Application Rate Channel 

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Copyright information

© Stockhammer et al. 2006

Authors and Affiliations

  • Thomas Stockhammer
    • 1
    Email author
  • Günther Liebl
    • 2
  • Michael Walter
    • 2
  1. 1.Nomor Research GmbHBergenGermany
  2. 2.Institute for Communications Engineering (LNT)Munich University of Technology (TUM)MunichGermany

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