Musical Sound Effects Analog and Digital Sound Processing

Foreword xi

About this Book xiii

Introduction xvii

Chapter 1. Notes on the Theory of Sound 1

1.1. Basic concepts 1

1.1.1. What is sound? 1

1.1.2. Intensity 4

1.1.3. Sound pitch 7

1.1.4. Approaching the concept of timbre 8

1.2. The ears 9

1.2.1. How our ears work 9

1.2.2. Fletcher–Munson curves 14

1.2.3. Auditory spatial awareness 15

1.3. The typology of sounds 21

1.3.1. Sounds and periods 21

1.3.2. Simple sounds and complex sounds 22

1.4. Spectral analysis 24

1.4.1. The sound spectrum 24

1.4.2. Sonogram and spectrogram 26

1.5. Timbre 27

1.5.1. Transient phenomena 27

1.5.2. Range 28

1.5.3. Mass of musical objects 30

1.5.4. Classification of sounds 31

1.6. Sound propagation 32

1.6.1. Dispersion 32

1.6.2. Interference 33

1.6.3. Diffraction 35

1.6.4. Reflection 37

1.6.5. Reverberation (reverb) 39

1.6.6. Absorption 39

1.6.7. Refraction 39

1.6.8. The Doppler effect 40

1.6.9. Beats 40

1.7. Conclusion 41

Chapter 2. Audio Playback 43

2.1. History 44

2.2. Dolby playback standards and specifications 48

2.2.1. Dolby Surround encoding and decoding 48

2.2.2. Dolby Stereo 49

2.2.3. Dolby Surround 50

2.2.4. Dolby Surround Pro-Logic 50

2.2.5. Dolby DIGITAL AC-3 51

2.2.6. Dolby Surround EX 52

2.2.7. Dolby Surround Pro-Logic II 52

2.2.8. Dolby Digital Plus 54

2.2.9. Dolby TrueHD 54

2.2.10. Dolby Atmos 55

2.3. DTS encodings 55

2.3.1. DTS 56

2.3.2. DTS Neo 6 56

2.3.3. DTS ES 6.1 57

2.3.4. DTS 96/24 57

2.3.5. DTS HD Master Audio 57

2.3.6. DTS X 58

2.4. Special encodings 58

2.5. SDDS 59

2.6. THX certification 59

2.6.1. THX select and ultracertification 61

2.6.2. THX Ultra 2 certification 61

2.7. Multichannel audio recording 62

2.8. Postproduction and encoding 63

2.9. Multichannel music media: DVD-Audio and SACD 65

2.9.1. DVD-Audio 65

2.9.2. Super Audio CD 67

2.9.3. Comparison of CDs, SACDs and DVD-Audios 69

2.10. Conclusion 69

Chapter 3. Types of Effect 71

3.1. Physical appearance 71

3.1.1. Racks 72

3.1.2. Pedals 74

3.1.3. Software plugins 77

3.2. Audio processing 78

3.3. Conclusion 80

Chapter 4. Filtering Effects 81

4.1. Families of filtering effects 81

4.2. Equalization 84

4.2.1. Frequency bands and ranges 84

4.2.2. Types of equalizer 86

4.2.3. Examples of equalizers 91

4.2.4. Tips for equalizing a mix 94

4.3. Wah-wah 97

4.3.1. History 97

4.3.2. Theory 99

4.3.3. Auto-wah 100

4.3.4. Examples of wah-wah pedals 101

4.4. Crossover 102

4.5. Conclusion 104

Chapter 5. Modulation Effects 105

5.1. Flanger 105

5.1.1. History 105

5.1.2. Theory and parameters 107

5.1.3. Models of flanger 110

5.2. Phaser 111

5.2.1. Examples of phasers 113

5.3. Chorus 115

5.3.1. Examples of chorus 116

5.4. Rotary, univibe or rotovibe. 117

5.4.1. History 118

5.4.2. Theoretical principles 120

5.4.3. Leslie speakers 122

5.4.4. Examples of rotary or univibe pedals 123

5.4.5. Leslie speakers and sound recording 125

5.5. Ring modulation 127

5.5.1. Theoretical principles 127

5.5.2. Examples of ring modulators 129

5.6. Final remarks 130

Chapter 6. Frequency Effects 131

6.1. Vibrato 131

6.1.1. Theoretical principles 132

6.1.2. Settings 132

6.1.3. Examples of vibrato 133

6.2. Transposers 135

6.2.1. Octaver 135

6.2.2. Pitch shifter 137

6.2.3. Harmonizer 139

6.2.4. Auto-Tune 142

6.3. Conclusion 154

Chapter 7. Dynamic Effects 155

7.1. Compression 156

7.1.1. History 156

7.1.2. Parameters of compression 156

7.1.3. Examples of compressors 163

7.1.4. Multiband compressors 166

7.1.5. Guidelines for configuring a compressor 169

7.1.6. Parallel compression 170

7.1.7. Serial compression 171

7.1.8. Compression with a sidechain 171

7.1.9. Some basic compression settings 172

7.1.10. Synchronizing the compressor 175

7.1.11. Using a compressor as a limiter 175

7.2. Expanders 178

7.2.1. Parameters 178

7.2.2. Examples of software expanders 179

7.3. Noise gates 180

7.3.1. Parameters 180

7.3.2. Examples of noise gates 182

7.3.3. Configuring noise gates 184

7.4. De-essers 184

7.4.1. Principle of a de-esser 184

7.4.2. Examples of de-essers 185

7.4.3. Replacing a de-esser with an equalizer and a compressor 186

7.4.4. Configuring a de-esser 186

7.5. Saturation 187

7.5.1. Fuzz 187

7.5.2. Overdrive. 188

7.5.3. Distortion. 188

7.5.4. Examples of equipment dedicated to creating saturation 189

7.6. Exciters and enhancers 192

7.6.1. Examples of exciters 193

7.6.2. Using a sound enhancer 195

7.7. Conclusion 195

Chapter 8. Time Effects 197

8.1. Reverb 197

8.1.1. Theoretical principles 197

8.1.2. History 200

8.1.3. Principles 208

8.1.4. Reverb configuration 219

8.1.5. Recording the IR and deconvolution 227

8.1.6. Studio mixing and reverb 240

8.2. Delay 243

8.2.1. History 243

8.2.2. Types of delay 244

8.2.3. Tips for using delays in the studio 251

8.3. Conclusion 255

Chapter 9. Unclassifiables 257

9.1. Combined effects 257

9.1.1. Fuzzwha 257

9.1.2. Octafuzz 258

9.1.3. Shimmer 259

9.2. Tremolo 262

9.2.1. History 262

9.2.2. Examples of tremolos 264

9.3. Sound restoration tools 266

9.3.1. Declickers 266

9.3.2. Decracklers 267

9.3.3. Denoisers 267

9.3.4. Declippers 267

9.3.5. Debuzzers 268

9.3.6. Examples of restoration tools 268

9.3.7. Final remarks on sound restoration 271

9.4. Loopers 271

9.4.1. Looper connections 272

9.4.2. Examples of looper pedals 274

9.5. Time stretching. 275

9.6. Resampling 276

9.7. Spatialization effects 277

9.8. Conclusion 278

Conclusion 279

Appendices 283

Appendix 1 285

Appendix 2 295

Appendix 3 299

Appendix 4 313

Glossary 319

Bibliography 327

Index 337

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