Find out how modern IPTV technologies will change your experience of television. Internet Protocol Television (IPTV) is rapidly being deployed as a compliment service to existing distribution technologies.
Why IPTV? traces the changes in Internet Protocol Television since the mid-1990s and examines what IPTV means today. The author analyzes what delivery of TV over an IP network means, both in terms of possibilities for new services, and in terms of the impact on the network and how it has to be managed. In addition, Why IPTV? helps you understand how introducing IPTV into the Web 2.0 world will impact the new services. It looks at the current trends in the consumer electronics industry as well as the network industry, and describes how the new technology can enhance and extend the existing business models in the TV industry, particularly in advertising; and also how it creates new possibilities, for instance, through personalization.
Why IPTV? Interactivity, Technologies, Services:
- Provides an accessible introduction to IPTV.
- Covers the technology to build IPTV systems, and shows what lies beyond traditional business models and existing distribution technologies.
- Considers how IPTV technologies can exploit and change the current trends in consumer electronics and network industry.
- Explores how the merging of Web 2.0 and IPTV will open new opportunities for services.
- Addresses hot topics such as IPTV Interaction and Channel Switching, Networking and Streaming with Information Management Systems, Advertising and Personalization of IPTV.
Why IPTV? will provide engineers in networking, TV broadcast companies, technology specialists in content creation companies and people in the IPTV industry (including management) with an engaging and insightful reference into Internet Protocol Television.
Table of Contents:
Acknowledgments ix
Preface xi
Chapter 1: Interactive, Personal, IPTV: From TV over Internet andWeb TV to Interactive Video Media 1
Introduction to IPTV 1
The Value Chain 3
Business Models and the Value Chain 5
Interactivity in Reality: The British Red Button 13
How IPTV ServicesWork 16
What is Next for IPTV Users? 21
Shape-Shifting Television: New Media for a New Millennium 23
Project LIVE: Interactive Sports Events 28
Me on TV: Five Minutes of Fame for Everyone with a Mobile Phone 31
Chapter 2: IPTV Standards and Solutions 33
Standardization of IPTV 34
The Open ITPV Forum Architecture 37
The ETSI IPTV Standard 42
Applying Standards to IPTV: An Implementation 49
Chapter 3: The Next-Generation Consumer Electronics and Interactive, Personal, IPTV 53
Home Connectivity: Ethernet,WiFi and Beyond 55
Making Home DevicesWork Together: UPnP and DLNA 58
What is UPnP? 59
Connecting the Home to the Outside: the Home Router 66
The Set-top Box Meets the Internet Model 72
The Browser in the Set-top Box 79
XML and Style Sheets – Format and Structure for Metadata 80
How does the Multimedia Home PlatformWork? 86
Channel Switching 89
Speeding Up Channel Switching 91
IPTV in Japan 92
IPTV in the Mobile 96
Chapter 4: Designing Interactive IPTV Applications 99
Dynamic Creation of Interactive Television 101
Integrating Interaction in the Script 103
Using Profiles to Adapt the Show 105
Design of Interaction Objects 107
How to Handle Colors 109
Generic Interaction Models 110
Designing Menus and Text 113
Testing Interactive Applications 116
Quick and Dirty User Testing 118
Making Mashups in IMS-Controlled Interactive IPTV 119
User-Provided Content 123
Chapter 5: Monetizing IPTV: Advertising and Interaction 127
An IPTV Toolbox for Advertisers 134
The IPTV Advertising Design Project 137
Splicing Advertising into the Media – Or Putting it in the IPTV Set? 139
Inserting Advertising 140
Chapter 6: P2P, TV on theWeb, VoD and (n)PVR 143
Getting Paid for VoD: Advertising 148
Getting Paid for VoD: Charging for the Service 151
User-Provided Content 155
The Network and User-Provided Content 156
Peer-to-Peer Versus Central Server 156
P2P in the European Broadcasting Union and EU 159
Chapter 7: Digital Rights Management and Next-Generation IPTV 163
Exceptions to Copyright 166
Attaching Strings to Copyright Gifts: Creative Commons 168
Legal Constraints on User-Provided Content 171
Digital Rights Management 174
DRM: Simple Philosophy, Complicated Mechanism 175
Standards for DRM 177
Designing Copyright Policy 182
Chapter 8: Identities, Subscriptions, User Profiles and Presence 185
Managing and Federating User Profiles: XDMS and PGM 187
Presence in IMS 187
Presence Data Format, Lists and Profiles 193
The Presence Document 193
Lists in XDMS 199
IPTV Profiles 201
Advertising and Presence 204
Measuring Advertising in IPTV 205
Chapter 9: Beyond the EPG – Metadata in Interactive IPTV 211
Recommender Systems, Social Software, Presence and Personalized EPGs 215
Filtering and Personalizing IPTV Content 218
Metadata Types and Models 219
IPTC News Codes, NewsML and SportsML 220
Dublin Core 222
P/Meta 224
SMPTE Metadata Dictionary, MXF and UMID 224
Metadata and the EPG: TV-Anytime 225
TV-Anytime Document Structure 226
Identifying the Data: the CRID 234
Metadata for Production: MPEG-7 and MPEG-4 237
Drawing Conclusions from Metadata 244
Chapter 10: Protocols for Interaction 253
The HyperText Transfer Protocol 255
HTTP for IPTV Signaling 258
Caching in HTTP 260
Video on Demand: RTSP 265
SIP for IPTV Signaling 273
SIP MESSAGE 277
SIP SUBSCRIBE and NOTIFY 279
SDP in SIP and RTSP 281
Chapter 11: Next-Generation IPTV Encoding – MPEG-2, MPEG-4 and beyond 285
Transporting the MPEG Stream 291
RTP 292
MPEG-2 Transport Stream and the MPEG-4 File Format 294
Forward Error Correction 295
Chapter 12: Next-Generation IPTV Networking and Streaming with IMS 297
What is IMS? 301
Registering in IMS 307
How IMS works with SIP 307
SIP INVITE 308
SIP SUBSCRIBE and NOTIFY 308
Forking and Redirecting Sessions 308
Identity in IMS: the SIP URI, PUID and PSI 309
SDP 310
Setting Up and Tearing Down the IPTV Multicast 312
IMS Communications Services 314
Handling Quality of Service 317
Service Discovery 320
Control Function 320
NPVR Function 320
Connecting Application Servers: the ISC Interface 325
Chapter 13: Developing and Deploying IPTV 329
It’s life, Jim, but not as we know it 330
Enhancing Voting 331
Automating Scriptwriting 333
Inserting Advertising 336
Personalizing Television 341
Electronic Program Guides 343
Using the IPTV Technology 344
References 349
Index 355
About the Author :
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.
