CONTENTS

 1     Scope         
 2     References
 3     Definitions
        3.1     Terms defined elsewhere      
 4     Abbreviations         
 5     Conventions           
 6     General approach to QoE assessment         
        6.1     Subjective assessment            
        6.2     Objective assessment             
 7     Target services       
        7.1     Audio             
        7.2     Video             
        7.3     Data 
 8     Measurement approaches for different scenarios  
        8.1     Media-layer models  
        8.2     Packet-layer models 
        8.3     Bitstream-layer models          
        8.4     Hybrid models           
        8.5     Planning models        
 9     Taxonomy
Appendix I    
Bibliography