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Contents
Preface ix
Acknowledgments xi
Section 1. Basics 1
1 Introduction 3
500 years of print development 3
100 years of the moving image 4
The Web meets television 5
Convergence 7
What is streaming? 7
Applications 9
How this book is organized 10
Summary 10
2 IP networks and telecommunications 13
Introduction 13
Network layers 14
Telecommunications 25
The local loop 30
Summary 38
3 The World Wide Web 40
Introduction 40
WWW 42
Web graphics 44
Proprietary tools 48
Web servers 48
Summary 51
4 Video formats 52
Introduction 52
Scanning 53
Color space conversion 56
Digital component coding 61
Videotape formats 65
Time code 72
Interconnection standards 74
High definition 76
Summary 77
5 Video compression 78
Introduction 78
Compression basics 79
Compression algorithms 80
Discrete cosine transform 84
Compression codecs 87
MPEG compression 89
Proprietary architectures 98
Summary 101
6 Audio compression 102
Introduction 102
Analog compression 103
Digital audio 104
The ear and psychoacoustics 110
The human voice 112
Lossy compression 114
Codecs 117
Codec standards 118
Proprietary codecs 127
Open-source codecs 128
Summary 129
Section 2. Streaming 131
7 Introduction to streaming media 133
Introduction 133
What are the applications of streaming? 134
The streaming architecture 138
Bandwidth, bits, and bytes 147
vi Contents
Proprietary codec architectures 149
Summary 152
8 Video encoding 154
Introduction 154
Video capture 159
Compression 167
Encoding enhancements 170
Encoding products 173
Limits on file sizes 175
Summary 177
9 Audio encoding 179
Introduction 179
Audio formats 181
Capture 184
Encoding 186
File formats 189
Summary 192
10 Preprocessing 193
Introduction 193
Video processing 193
Audio 200
Summary 207
11 Stream serving 209
Introduction 209
Streaming 211
Webcasting 218
On-demand serving 222
Inserting advertisements 222
Playlists 224
Logging and statistics 225
Proprietary server architectures 227
Server deployment 229
Summary 232
12 Live webcasting 233
Introduction 233
Planning a webcast 233
Video capture 237
Contents vii
Graphics 238
Audio capture 238
Encoding 241
Summary 243
13 Media players 244
Introduction 244
Portals, players, and plug-ins 245
Digital Rights Management 256
Summary 257
Section 3. Associated Technologies and Applications 259
14 Rights management 261
Introduction 261
The value chain 264
Digital Rights Management 265
The rights management parties 270
System integration 274
Encryption 276
Watermarking 277
Security 279
XrML 280
Examples of DRM products 282
MPEG-4 286
Summary 287
15 Content distribution 289
Introduction 289
Content delivery networks 291
Corporate intranets 300
Improving the QoS 304
Satellite delivery 306
Summary 307
16 Applications for streaming media 309
Introduction 309
Summary
viii Contents
【文件名】:06929@52RD_The.Technology.of.Video.and.Audio.Streaming.Second.Edition.Sept.2004.eBook-TLFeBOOK(1).rar
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