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Multimedia Tools and Applications

, Volume 57, Issue 3, pp 605–631 | Cite as

On the performance of scalable video coding for VBR TV channels transport in multiple resolutions and qualities

  • Zlatka K. Avramova
  • Danny De Vleeschauwer
  • Pedro Debevere
  • Sabine Wittevrongel
  • Peter Lambert
  • Rik Van de Walle
  • Herwig Bruneel
Article
  • 84 Downloads

Abstract

Video broadcast operators target a variety of receiving devices of different resolutions and processing capabilities. In such a heterogeneous TV network, the transport resource consumption is likely to increase. In this paper we estimate the required transport capacity for a broadcast TV network taking into account parameters as currently proposed in standardization bodies. We target constant video quality, hence the TV channel has variable bit rate (VBR). We consider a multicast-based transport system where only the required versions of a TV channel are transported; this leads to fluctuation of the consumed transport capacity over time. The main focus in this paper is on the comparison of a simulcast and a scalable video coding (SVC) transport scheme in several realistic examples with different encoding modes, including spatial and/or quality scalability. To estimate the required transport capacity for simulcast and SVC, we use a comprehensive toolkit based on a Gaussian approximation of the capacity demand. In order to obtain realistic input values for our calculation tools, we characterize the fluctuations of the bit rate associated with a TV channel by encoding a representative set of video clips. Based on the considered realistic examples, we explore under what conditions either the simulcast or the SVC transport scheme is more efficient.

Keywords

H.264 SVC Network design Capacity estimation TV Multi-resolution 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Zlatka K. Avramova
    • 1
  • Danny De Vleeschauwer
    • 2
  • Pedro Debevere
    • 3
  • Sabine Wittevrongel
    • 1
  • Peter Lambert
    • 3
  • Rik Van de Walle
    • 3
  • Herwig Bruneel
    • 1
  1. 1.SMACS Research Group, TELIN, Faculty of EngineeringGhent UniversityGhentBelgium
  2. 2.Alcatel-Lucent BellBell LabsAntwerpBelgium
  3. 3.Multimedia Lab Research Group, IBBTGhent UniversityGhentBelgium

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