Why IPTV?

Johan Hjelm is a Senior Research Engineer for Ericsson (NRJ) in Tokyo, Japan, where he oversees the project management of cooperation projects and is participant in Connected Home activities. He has previous experience in IPTV and was project manager for the IPTV project at Ericsson (EAB) in Sweden. Hjelm has assisted in a number of research projects including the World Wide Web Consortium (W3C) and the Massachusetts Institute of Technology (MIT). To date Hjelm has published 11 web-based books and has written freelance for several leading computer publications such as Datateknik, Datornytt and Natvarlden.

• Acknowledgments ixPreface xiChapter 1: Interactive, Personal, IPTV: From TV over Internet andWeb TV to Interactive Video Media 1Introduction to IPTV 1The Value Chain 3Business Models and the Value Chain 5Interactivity in Reality: The British Red Button 13How IPTV ServicesWork 16What is Next for IPTV Users? 21Shape-Shifting Television: New Media for a New Millennium 23Project LIVE: Interactive Sports Events 28Me on TV: Five Minutes of Fame for Everyone with a Mobile Phone 31Chapter 2: IPTV Standards and Solutions 33Standardization of IPTV 34The Open ITPV Forum Architecture 37The ETSI IPTV Standard 42Applying Standards to IPTV: An Implementation 49Chapter 3: The Next-Generation Consumer Electronics and Interactive, Personal, IPTV 53Home Connectivity: Ethernet,WiFi and Beyond 55Making Home DevicesWork Together: UPnP and DLNA 58What is UPnP? 59Connecting the Home to the Outside: the Home Router 66The Set-top Box Meets the Internet Model 72The Browser in the Set-top Box 79XML and Style Sheets – Format and Structure for Metadata 80How does the Multimedia Home PlatformWork? 86Channel Switching 89Speeding Up Channel Switching 91IPTV in Japan 92IPTV in the Mobile 96Chapter 4: Designing Interactive IPTV Applications 99Dynamic Creation of Interactive Television 101Integrating Interaction in the Script 103Using Profiles to Adapt the Show 105Design of Interaction Objects 107How to Handle Colors 109Generic Interaction Models 110Designing Menus and Text 113Testing Interactive Applications 116Quick and Dirty User Testing 118Making Mashups in IMS-Controlled Interactive IPTV 119User-Provided Content 123Chapter 5: Monetizing IPTV: Advertising and Interaction 127An IPTV Toolbox for Advertisers 134The IPTV Advertising Design Project 137Splicing Advertising into the Media – Or Putting it in the IPTV Set? 139Inserting Advertising 140Chapter 6: P2P, TV on theWeb, VoD and (n)PVR 143Getting Paid for VoD: Advertising 148Getting Paid for VoD: Charging for the Service 151User-Provided Content 155The Network and User-Provided Content 156Peer-to-Peer Versus Central Server 156P2P in the European Broadcasting Union and EU 159Chapter 7: Digital Rights Management and Next-Generation IPTV 163Exceptions to Copyright 166Attaching Strings to Copyright Gifts: Creative Commons 168Legal Constraints on User-Provided Content 171Digital Rights Management 174DRM: Simple Philosophy, Complicated Mechanism 175Standards for DRM 177Designing Copyright Policy 182Chapter 8: Identities, Subscriptions, User Profiles and Presence 185Managing and Federating User Profiles: XDMS and PGM 187Presence in IMS 187Presence Data Format, Lists and Profiles 193The Presence Document 193Lists in XDMS 199IPTV Profiles 201Advertising and Presence 204Measuring Advertising in IPTV 205Chapter 9: Beyond the EPG – Metadata in Interactive IPTV 211Recommender Systems, Social Software, Presence and Personalized EPGs 215Filtering and Personalizing IPTV Content 218Metadata Types and Models 219IPTC News Codes, NewsML and SportsML 220Dublin Core 222P/Meta 224SMPTE Metadata Dictionary, MXF and UMID 224Metadata and the EPG: TV-Anytime 225TV-Anytime Document Structure 226Identifying the Data: the CRID 234Metadata for Production: MPEG-7 and MPEG-4 237Drawing Conclusions from Metadata 244Chapter 10: Protocols for Interaction 253The HyperText Transfer Protocol 255HTTP for IPTV Signaling 258Caching in HTTP 260Video on Demand: RTSP 265SIP for IPTV Signaling 273SIP MESSAGE 277SIP SUBSCRIBE and NOTIFY 279SDP in SIP and RTSP 281Chapter 11: Next-Generation IPTV Encoding – MPEG-2, MPEG-4 and beyond 285Transporting the MPEG Stream 291RTP 292MPEG-2 Transport Stream and the MPEG-4 File Format 294Forward Error Correction 295Chapter 12: Next-Generation IPTV Networking and Streaming with IMS 297What is IMS? 301Registering in IMS 307How IMS works with SIP 307SIP INVITE 308SIP SUBSCRIBE and NOTIFY 308Forking and Redirecting Sessions 308Identity in IMS: the SIP URI, PUID and PSI 309SDP 310Setting Up and Tearing Down the IPTV Multicast 312IMS Communications Services 314Handling Quality of Service 317Service Discovery 320Control Function 320NPVR Function 320Connecting Application Servers: the ISC Interface 325Chapter 13: Developing and Deploying IPTV 329It’s life, Jim, but not as we know it 330Enhancing Voting 331Automating Scriptwriting 333Inserting Advertising 336Personalizing Television 341Electronic Program Guides 343Using the IPTV Technology 344References 349Index 355