DVD Players and Drives (eBook)

Cover 1
Copyright 5
Contents 6
1. Introduction 9
The DVD 10
Recordable discs 15
Rotation speed 18
System overview 19
2. Digital and Microprocessor Applications 22
Binary numbers 23
Memory chips 30
Types of memory chips 32
General purpose microprocessor systems 35
Processing devices 38
CPU architecture 42
Microprocessor types 47
Single- chip computers 47
Dedicated processors 48
Microcontrollers 48
System- on- a- chip 51
Analogue- to- digital conversion 53
Error control techniques 58
Scrambling and encryption 62
Oscillators and phase- locked loop 63
3. Video signals: Analogue and digital 66
Introduction3 66
Principles of colour television 71
Video formats 79
Telecine 82
The pause function 85
4. DVD encoding 87
Introduction4 87
Video encoding 88
Video data preparation 89
Zigzag scanning of the DCT matrix 96
Audio encoding 100
The sub- picture stream 108
5. Framing and forward error correction 109
Introduction5 109
PES packet construction 111
Forward error correction 111
Non- return- to- zero encoding 112
Eight- to- sixteen modulation 114
6. The optical pickup unit 117
Introduction6 117
Focus depth and numerical aperture 119
The photodiode detector assembly 120
Playback compatibility 124
7. Signal processing and control 126
Introduction7 126
Chip set 129
The RF processor 130
Servo control 133
Playback start- up routine 133
CD/ DVD detection 135
Practical RF amplifier/ digital servo chip 139
System control microprocessor system 142
8. Video and audio decoding 147
Introduction8 147
The V/ A decoder 149
Audio processing 151
9. Power supply and user interface 157
Introduction9 157
The power supply 158
The regulator 159
DVD player power requirements 164
Integrated circuit regulators 166
The user interface 166
10. DVD players 171
Introduction10 171
Testing processing chips 174
Analogue signals 176
The start- up routine 182
Playback initialization 182
Common symptoms and their possible causes 183
DVD self diagnostics 186
11. Data flow 187
Introduction11 187
Data flow 187
Multiple- angle feature 189
Disc capacity and transfer rate 191
Presentation, navigation and search 193
Volumes and directories 197
DVD recording 197
12. DVD production 200
Introduction12 200
Planning 201
Assets preparation 203
Resource allocation 207
Authoring 219
Formatting 221
13. DVD drives 222
Introduction13 222
Operating system 228
Allocating resources 229
Fault finding utilities 230
Installing a DVD drive 237
DVD glossary 247
Appendix A: Integrated circuits 276
Appendix B: Required functions of a DVD-video player 283
Appendix C: DVD-video copyright protection systems 287
Appendix D: Units and specifications 291
Appendix E: Self-test questions and answers 305
Index 318