Principles of Modern Communications Technology -- Contents i -- Preface xv -- Introduction xvii -- Structure of This Book xvii -- Integrative Convergence xix -- The People xix -- The Environment xx -- Part I: Audio Technology 1 -- 1 The Physiology of Human Hearing 3 -- The Human Ear 3 -- Basilar Membrane: Sound to Neural Signals 5 -- Neural Signals 7 -- 2 Edison™s Wonderful Invention: The Phonograph 11 -- Edison™s Invention 11 -- Thomas Alva Edison 12 -- Berliner™s Disc 14 -- Beyond Edison™s Phonograph 14 -- 3 Sound 17 -- Sound Waves 17 -- Diffraction, Refraction, and Reflection 19 -- Musical Acoustics 20 -- Architectural Acoustics 22 -- 4 Signals 25 -- Waveforms 25 -- Engineering Notation 27 -- Sine Waves 27 -- Fourier Analysis and Synthesis 29 -- Spectrum 30 -- Bandwidth 31 -- Spectrograms 34 -- 5 Electricity 37 -- What Is Electricity? 37 -- Symbols 39 -- Nikola Tesla 40 -- Ohm's Law 42 -- Series and Parallel Circuits 43 -- Electromagnetism 44 -- Distribution of AC Power 46 -- Electric Safety 46 -- Root Mean Square 47 -- Power 48 -- Frequency-Dependent Effects 48 -- 6 Electronics 51 -- Transducers 51 -- Lee de Forest 52 -- Conversion of AC to DC 55 -- Amplification 57 -- Vacuum Tube Triode 57 -- Transistors 59 -- Decibels 60 -- Logarithms 62 -- Magnetic Tape Recording 64 -- Audio Systems 66 -- 7 Digital Audio 69 -- Sampling 69 -- Analog-to-Digital Conversion 71 -- Digital Bandwidth 73 -- Binary Numbers 74 -- Noise Immunity 74 -- Compact Discs 75 -- Part II: Video Technology 79 -- 8 Human Vision 81 -- The Human Eye 81 -- Psychophysics and Human Vision 84 -- Color Theory 86 -- Motion Pictures 88 -- 9 Television Basics 91 -- Background 91 -- Zworykin and Farnsworth 92 -- Scanning 93 -- Specifications 96 -- Display Technology 97 -- Television Receivers 98 -- 10 Modulation Theory and Radio 101 -- The History of Radio 101 -- Guglielmo Marconi 102.

Radio Waves 103 -- Edwin Armstrong 104 -- David Sarnoff 106 -- Frequency Shifting 108 -- Amplitude Modulation 109 -- Frequency Modulation 112 -- Quadrature Modulation 113 -- 11 Broadcast Television 115 -- The Television Channel 115 -- VHF/UHF Broadcast Television 116 -- Cable Television 117 -- Satellite and Other Television 119 -- 12 Color Television 121 -- The Challenge 122 -- Time Domain 122 -- Frequency Domain 124 -- Color Television Receivers 126 -- 13 Video Media 129 -- Videotapes 129 -- Videodiscs 132 -- HDTV 133 -- Digital Television 133 -- Compression 134 -- The Future of Television 135 -- Part III: Speech Telecommunication 137 -- 14 Human Speech 139 -- Speech Production 140 -- Mechanical Speaking Machines 142 -- Vocoders 142 -- Speech Processing 144 -- 15 The Telephone 147 -- Invention of the Telephone 147 -- Alexander Graham Bell 149 -- Elisha Gray 151 -- Service Expansion 153 -- Telephone Instruments 154 -- 16 Networks 159 -- A Network of Networks 160 -- Local Networks 161 -- Long-Distance Networks 164 -- Traffic 164 -- 17 Transmission Technologies 167 -- Multiplexing 167 -- Copper Transmission Media: Twisted Pair 170 -- Copper Transmission Media: Coaxial Cable 171 -- Terrestrial Microwave Radio 172 -- Communications Satellites 173 -- Optical Fiber 175 -- Undersea Cable 177 -- Impairments 178 -- 18 Switching Systems 179 -- Switching Machines 179 -- Space-Division Switching 180 -- Time-Division Switching 182 -- Specific Switching Systems 183 -- Ancillary Switching Topics 188 -- 19 Services 191 -- Wireless 191 -- Satellite Mobile Telephony 194 -- Facsimile 195 -- Video Telephones 195 -- Teleconferencing 196 -- Data over the Local Loop 197 -- Part IV: Written Communication 199 -- 20 Human Written Communication 201 -- Clay Tablets and Cuneiform 202 -- Hieroglyphics 202 -- Chinese 203 -- Alphabets 204 -- Printing 205 -- 21 The Telegraph 207.

The Electric Telegraph 207 -- The Telegraph's Legacy 209 -- Samuel Morse 210 -- Alfred Vail 211 -- Communication Theory 213 -- 22 The Computer 217 -- Computer History 217 -- Computer Systems 220 -- Social and Societal Effects 221 -- Computer Art and Music 222 -- Digital Filters and Signal Processing 223 -- Personal Encounters with Computers 224 -- 23 Computer Hardware 227 -- Computer Systems 227 -- The CPU 228 -- Boolean Logic Gates 229 -- Memory 231 -- Internal Communication 233 -- Input and Output 233 -- Performance 235 -- 24 Computer Software 237 -- Computer Programs 237 -- Information Structure 238 -- Programming Languages 240 -- Application Programs 243 -- Operating Systems 244 -- User Interface 244 -- 25 Data Communication 247 -- Data Modulation 247 -- Quadrature Amplitude Modulation 248 -- Bit Rate and Baud Rate 249 -- Directionality 249 -- Topologies of Local Area Networks 251 -- Packet Switching 252 -- The Internet 253 -- The World Wide Web 254 -- Local Access 256 -- Data Versus Voice 257 -- History Lessons 257 -- An Example 258 -- Afterword 261 -- The Future of Communication 261 -- Factors that Shape the Future 263 -- A Look Back 265 -- A Glimpse Forward 268 -- Advice for the Millenium 271 -- Glossary 275 -- About the Author 281 -- Index 283.