T/INFOCA 8-2022 Mobile live streaming video user experience quality (QoE) audience-side evaluation method

Scope

Scope: This document provides a user experience quality (QoE) evaluation model for mobile live streaming on fixed and mobile broadband networks using mobile terminals (smartphones, tablets). It outlines the components of QoE indicators affecting mobile live streaming and describes the calculation method for evaluating QoE in mobile live streaming scenarios. This document is applicable to comprehensive QoE evaluations in mobile live streaming scenarios implemented through fixed or mobile OTT video service systems of Internet service providers in environments such as public telecommunications networks and the public Internet, as well as for identifying and analyzing factors affecting QoE in mobile live streaming. Main technical content: 1. Mobile live video QoE evaluation method for viewers 2. Scope 3. Normative references 4. Terms and definitions, abbreviations 4.1 Terms and definitions 4.2 Abbreviations 5. Mobile live QoE evaluation model architecture 5.1 Overview of mobile live evaluation 5.2 Key QoE indicators for viewers 5.3 Mobile live QoE evaluation model architecture 6. Composition of mobile live quality indicators 6.1 Video quality input parameters for viewers 6.2 Audio quality input parameters for viewers 7. Presentation QoE input parameters for viewers 7.3 Interactive QoE input parameters for viewers 8. QoE model output parameters for viewers 9. Mobile live viewer QoE evaluation algorithm 10.1 Overview of the overall algorithm 10.2 Overview of the four module algorithms 10.2.1 Audiovisual experience 10.2.2 Presentation experience 10.2.3 Interactive experience Appendix A (informative) ITU-T P.1203 working mode Appendix B (informative) PPD calculation method References

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