Table of Contents

 1     Scope            
 2     References   
 3     Definitions   
        3.1     Terms defined elsewhere
        3.2     Terms defined in this Recommendation     
 4     Abbreviations and acronyms  
 5     Conventions
 6     Overview      
        6.1     Digital signage domains  
        6.2     Architecture overview     
        6.3     Examples of services      
        6.4     Types of terminal devices              
 7     Requirements              
        7.1     General requirements      
        7.2     Content management     
        7.3     Content delivery              
        7.4     Security requirements     
        7.5     Network requirements     
        7.6     Terminal device requirements       
 8     Functional architecture and key features              
        8.1     Functionalities of digital signage applications            
        8.2     Functionalities of terminal devices               
        8.3     Transport and control mechanisms             
        8.4     Security              
        8.5     Audience measurement  
 9     Metadata     
        9.1     Content information       
        9.2     Terminal device information         
        9.3     Ambient information      
        9.4     Results of playing contents            
        9.5     Schedule-relevant information     
10     Terminal device interfaces      
       10.1     Input interfaces              
       10.2     Output interfaces            
Appendix I – Digital signage use cases    
        I.1     Screen for single content source    
        I.2     Screen by using multiple content/data sources           
        I.3     Emergency communications         
        I.4     Interaction amongst audience and terminals             
        I.5     High-level architecture expansion 
Appendix II – Codecs and data formats for digital signage services    
Appendix III – Privacy of digital signage services    
      III.1     Overview           
      III.2     Principles for privacy      
Appendix IV – Terminal device interfaces    
       IV.1     Input interface
       IV.2     Output interfaces