QoE-aware inter-stream synchronization in open N-Screens cloud

Mu, Mu and Simpson, S. and Stokking, H. and Race, N. (2016) QoE-aware inter-stream synchronization in open N-Screens cloud. In: 2016 13th IEEE Annual Consumer Communications Networking Conference (CCNC). Consumer Communications & Networking Conference (CCNC), 2016 13th IEEE Annual . IEEE, pp. 907-915. ISBN 9781467392921

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The growing popularity and increasing performance of mobile devices is transforming the way in which media can be consumed, from single device playback to orchestrated multi-stream experiences across multiple devices. One of the biggest challenges in realizing such immersive media experience is the dynamic management of synchronicity between associated media streams. This is further complicated by the faceted aspects of user perception and heterogeneity of user devices and networks. This paper introduces a QoE-aware open inter-stream media synchronization framework (IMSync). IMSync employs efficient monitoring and control mechanisms, as well as a bespoke QoE impact model derived from subjective user experiments. Given a current lag, IMSync's aim is to use the impact model to determine a good catch-up strategy that minimizes detrimental impact on QoE. The impact model balances the accumulative impact of re-synchronization processes and the degree of non-synchronicity to ensure the QoE. Experimental results verify the run-time performance of the framework as a foundation for immersive media experience in open N-Screens cloud.

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16 Sep 2016 08:36
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21 Nov 2022 16:04