CONTENTS

 1 Scope 
2 References 
3 Definitions  
        3.1 Terms defined elsewhere    
        3.2 Terms defined in this Recommendation       
4 Abbreviations and acronyms        
5 Introduction to QoE         
6 QoE for video and audio  
        6.1 Requirements for media compression and synchronization   
        6.2 Impact of network transmission on performance     
7 QoE for text and graphics
        7.1 Media component text       
        7.2 Media component graphics
8 QoE for control functions 
        8.1 QoE requirements for channel zapping time
        8.2 QoE requirements related to VoD trick mode         
9 QoE for other IPTV services       
        9.1 QoE requirements for metadata      
        9.2 QoE requirements for browser       
        9.3 QoE requirements for content navigation    
10 Accessibility requirements           
11 Security considerations   
Appendix I – Network QoS parameters affecting QoE     
Appendix II – Non-inclusive list of audio and video codecs     
       II.1 Video codecs         
       II.2 Audio codecs         
Appendix III – Supplementary information related to the selected provisional performance parameters     
      III.1 Introduction           
      III.2 Standard definition TV (SDTV): General minimum objectives          
      III.3 Standard definition (SD) TV: VoD and premium content objectives 
      III.4 High definition TV (HDTV): Objectives      
Appendix IV – Impact of transmission impairments on quality     
       IV.1 Introduction          
       IV.2 Standard definition video   
       IV.3 High definition TV 
       IV.4 Plots of packet loss ratio vs bits sent         
       IV.5 Severe error limits for SDTV and HDTV services 
Bibliography