Audio Demystified

Will appeal to students, teachers, hobbyists, musicians, music professionals, and broadcast technicians Annual U.S. student enrollment in audio and electronics courses is 200,000

Stan Gibilisco is the "father" of the Demystified series. His titles include Physics Demystified, Everyday Math Demystified, Electronics Demystified, and Meteorology Demystified.

Preface

xiii

Direct Current Basics

1

(16)

Symbols and Diagrams

1

(3)

Voltage-Current-Resistance Circuits

4

(6)

Resistances in Series and Parallel

10

(2)

Division of Power

12

(1)

Resistances in Series-Parallel

13

(1)

Quiz

14

(3)

Alternating Current Basics

17

(18)

Period and Frequency

17

(3)

Waveforms

20

(6)

Fractions of a Cycle

26

(3)

Expressions of Amplitude

29

(3)

Quiz

32

(3)

Fundamentals of Phase

35

(18)

The Nature of a Cycle

35

(3)

Circles and Vectors

38

(4)

Expressions of Phase Difference

42

(4)

Vector Diagrams of Phase Difference

46

(2)

Quiz

48

(5)

The Bipolar Transistor

53

(20)

Semiconductor Materials

53

(1)

The P-N Junction

54

(3)

Biasing

57

(4)

Amplification

61

(3)

Gain versus Frequency

64

(1)

Common-Emitter Circuit

65

(1)

Common-Base Circuit

66

(1)

Common-Collector Circuit

67

(2)

Quiz

69

(4)

The Field-Effect Transistor

73

(18)

Principle of the JFET

73

(5)

Amplification

78

(3)

The MOSFET

81

(4)

Common-Source Circuit

85

(1)

Common-Gate Circuit

85

(2)

Common-Drain Circuit

87

(2)

Quiz

89

(2)

Electron Tubes

91

(18)

Tube Forms

91

(1)

Electrodes in a Tube

92

(6)

Circuit Configurations

98

(2)

Cathode-Ray Tubes

100

(3)

Camera Tubes

103

(2)

Quiz

105

(4)

Audio Characteristics and Components

109

(18)

Properties of Sound

109

(3)

Loudness and Phase

112

(3)

Home Audio Systems

115

(6)

Amplifier Considerations

121

(2)

Mobile and Portable Systems

123

(1)

Quiz

124

(3)

Speakers, Headsets, and Microphones

127

(20)

Common Speaker Types

127

(7)

General Speaker Considerations

134

(5)

Headsets

139

(2)

Microphones

141

(3)

Quiz

144

(3)

Impedance-Matching Transformers

147

(16)

What Is Impedance?

147

(4)

Matching It

151

(2)

Transformer Basics

153

(4)

Impedance-Transfer Ratio

157

(1)

Quiz

158

(5)

Transistorized Amplifiers and Oscillators

163

(24)

The Decibel Revisited

163

(3)

Basic Amplifier Circuits

166

(5)

Output, Input, and Efficiency

171

(3)

Other Amplifier Considerations

174

(6)

Oscillator Fundamentals

180

(4)

Quiz

184

(3)

Filters and Equalizers

187

(22)

Meet the Op Amp

187

(3)

The Active Audio Filter

190

(2)

Basic Filter Configurations

192

(5)

Two Important Parameters

197

(3)

Equalization

200

(5)

Quiz

205

(4)

Noise, Hum, Interference, and Grounding

209

(26)

Internal Noise and Hum

209

(6)

External Noise

215

(4)

Quantifying the Noise Level

219

(3)

Electromagnetic Interference

222

(5)

Grounding

227

(4)

Quiz

231

(4)

Recording, Reproduction, and Synthesis

235

(28)

Analog Audio Tape

235

(4)

Digital Audio Tape

239

(4)

Compact Disc

243

(2)

Speech Synthesis

245

(3)

Speech Recognition

248

(4)

Music Synthesis

252

(7)

Quiz

259

(4)

Final Exam

263

(28)

Answers to Quiz Questions

291

(4)

Final Exam Answer Key

295

(2)

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Summary

Author Biography

Table of Contents

Supplemental Materials