QoE Assessment of Multi-View Video and Audio IP Transmission

Erick JIMENEZ RODRIGUEZ  Toshiro NUNOME  Shuji TASAKA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E93-B   No.6   pp.1373-1383
Publication Date: 2010/06/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.1373
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Quality of Communication Networks and Services)
Category: 
Keyword: 
MVV,  multi-view video,  QoE,  QoS,  viewpoint change,  IP network,  IPTV,  

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Summary: 
In this paper, we discuss QoE (Quality of Experience) requirements for MVV (Multi-View Video) and audio transmission over IP networks and study the effect of the playout buffering time, contents and viewpoint change interfaces on the QoE and user's behavior. Unlike previous works, which mainly discuss MVV transmission from aspects of video codecs, we study MVV and audio transmission under various IP traffic and delay conditions by experiment. We compare two schemes: a scheme that the user watches from a single viewpoint and the one that he/she can choose one viewpoint from many ones. As a result, we show that the users prefer the scheme where they can choose one viewpoint from many ones. We have found that when using proper buffering time, the users feel faster viewpoint changes; it improves their satisfaction compared to that when they watch on a single viewpoint. We have also noticed that the user pays more attention to the degradation of the video when watching on a single viewpoint. We have observed that the users tend to change the viewpoint more frequently in light traffic and low delay.