Format:
1 online resource (752 pages)
Edition:
1st ed.
ISBN:
9781317329183
Content:
Audio Processes: Musical Analysis, Modification, Synthesis, and Control describes the practical design of audio processes, with a step-by-step approach from basic concepts all the way to sophisticated effects and synthesizers. Without the need of extensive mathematical skills, the book covers the four main themes of analysis, modification, synthesis, and control in an accessible manner. Author David Creasey's presentation style enables readers to create their own implementations, whatever their preferred programming language or environment. An extensive companion website provides further material and examples to support the book and aid in process development
Note:
Cover -- Half Title -- Title -- Copyright -- Contents -- Abbreviations -- Preface -- Acknowledgements -- Chapter 1 Introduction -- 1.1 The Nature of Audio Processes -- 1.1.1 Introducing Audio Processes -- 1.1.2 Constructing an Audio Process -- 1.1.3 Real-Time and Non-Real-Time Systems -- 1.1.4 Audio Process Themes -- 1.2 Example Audio Process Systems -- 1.2.1 Playing an Acoustic Instrument -- 1.2.2 Combining Two Paths -- 1.2.3 Automated Analysis -- 1.2.4 Two Humans Working Together -- PART I - ANALYSIS -- Chapter 2 Audio Data Fundamentals -- 2.1 The Nature of Sound -- 2.1.1 Sound in the Time Domain -- 2.1.2 Cycle Length, Frequency, and Amplitude -- 2.1.3 Construction and Deconstruction with Sinusoids -- 2.2 Sound as Numbers -- 2.2.1 Overview -- 2.2.2 Sampling Continuous Data -- 2.2.3 A Complete Digital Audio System -- 2.2.4 Choosing a Sample Rate -- 2.2.5 Amplitude -- Chapter 3 Time Domain Analysis -- 3.1 Basic Concepts -- 3.1.1 Continuum of Sound Character -- 3.1.2 Harmonic Sounds -- 3.1.3 Inharmonic Sounds -- 3.1.4 Phase Effects -- 3.2 Dynamic Sound Character -- 3.2.1 Chime Bar -- 3.2.2 Amplitude Envelopes -- 3.2.3 Dynamic Waveform Changes -- 3.2.4 Oboe -- 3.2.5 Vibraphone -- 3.2.6 Piano -- 3.2.7 Tubular Bell -- 3.2.8 Vocal "sh" and "f" Sounds -- 3.3 Using Time Domain Information -- 3.4 Learning More -- Chapter 4 Frequency Domain Analysis -- 4.1 Introduction -- 4.2 Static and Average Sound Character -- 4.2.1 Spectral Form -- 4.2.2 Frequency Domain Analysis of Simple Waveform Shapes -- 4.2.3 Average Spectrum Analysis Examples -- 4.3 Dynamic Sound Character -- 4.3.1 Representing Three Dimensions -- 4.3.2 Simple Spectrogram Examples -- 4.3.3 More Complex Spectrogram Examples -- 4.4 Using Frequency Domain Information -- 4.5 Learning More -- PART II - MODIFICATION -- Chapter 5 Basic Modifications -- 5.1 Introduction -- 5.2 Signal Flow Control
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11.4.1 Expanders -- 11.4.2 Sidechain Filtering -- 11.4.3 Combinations -- 11.4.4 Other Modifications -- 11.5 Developing Processes and Learning More -- Chapter 12 Frequency Domain Methods -- 12.1 Time Domain and Frequency Domain Processes -- 12.1.1 Introduction -- 12.1.2 Fourier Transform Basics -- 12.2 General Techniques -- 12.2.1 Filtering -- 12.2.2 Vocoding and Application of Spectral Envelopes -- 12.2.3 Delay -- 12.3 More Sophisticated Techniques -- 12.3.1 Time-Stretching -- 12.3.2 Changing Pitch -- 12.3.3 Modifying Amplitude and Frequency Relationships -- 12.3.4 Blending and Morphing -- 12.4 Developing Processes and Learning More -- PART III - SYNTHESIS -- Chapter 13 Basic Synthesis -- 13.1 Basic Concepts -- 13.1.1 From Modifiers to Synthesizers -- 13.1.2 Oscillators -- 13.1.3 Note Numbers and Frequency Values -- 13.1.4 Parameter Variation -- 13.2 Gate and Envelope Methods -- 13.2.1 Basic Methods -- 13.2.2 Envelope Shapes and Applications -- 13.2.3 Audio Input Methods -- 13.3 Tremolo and Vibrato in Synthesis -- 13.4 Developing Processes and Learning More -- Chapter 14 Signal Generators and Shaping -- 14.1 Introduction -- 14.2 Equation-Based Methods -- 14.2.1 Basic Concepts -- 14.2.2 Example Equations -- 14.3 Breakpoint Methods -- 14.3.1 Basic Concepts -- 14.3.2 Generating a Single Linear Segment -- 14.3.3 Generating Multiple Segments -- 14.3.4 Mapping with Multiple Breakpoints -- 14.4 Wavetable Methods -- 14.4.1 Creating a Wavetable -- 14.4.2 Using a Wavetable -- 14.4.3 Efficiency and Control -- 14.5 Modifying and Shaping Oscillation -- 14.5.1 Bandlimiting and Aliasing -- 14.5.2 Developing Oscillator Character -- 14.5.3 Waveshaping -- 14.6 Developing Processes and Learning More -- Chapter 15 Sample-Based Synthesis Methods -- 15.1 Basic Concepts -- 15.1.1 Using Sampled Sound -- 15.1.2 Recording, Editing, and Organising Samples
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15.1.3 Sample Playback -- 15.2 Position Control and Concatenation -- 15.2.1 Position Control and Looping -- 15.2.2 Concatenation -- 15.2.3 Process Considerations -- 15.3 Manipulating Sample Data Values -- 15.3.1 Sample Increment Effects -- 15.3.2 Further Methods -- 15.4 Developing Processes and Learning More -- Chapter 16 Additive Synthesis -- 16.1 Basic Concepts -- 16.1.1 Additive Synthesis Characteristics -- 16.1.2 Frequency Separation -- 16.2 Synthesis with Control over Individual Partials -- 16.2.1 Synthesizer Form -- 16.2.2 Configuration from Theory -- 16.2.3 Configuration from Sound Analysis -- 16.2.4 Abstract Configuration -- 16.3 Synthesis with Mapped Control over Multiple Partials -- 16.4 Developing Processes and Learning More -- Chapter 17 Subtractive Synthesis -- 17.1 Basic Concepts -- 17.2 Common Subtractive Methods -- 17.2.1 Source Selection -- 17.2.2 Filtering Methods -- 17.3 Vocal Synthesis -- 17.3.1 Introduction -- 17.3.2 Voiced Source Sound Generation -- 17.3.3 Formant Filtering -- 17.4 High Resonance Methods -- 17.5 Developing Processes and Learning More -- Chapter 18 Noise in Synthesis -- 18.1 Consistent and Inconsistent Signals -- 18.2 Noise in the Time Domain -- 18.2.1 Generation and Shaping -- 18.2.2 Rate-Controlled Random Value Generation -- 18.2.3 Inconsistent Oscillation -- 18.3 Noise in the Frequency Domain -- 18.3.1 Spectral Envelopes -- 18.3.2 Rate Control and Modulation -- 18.3.3 Filtering -- 18.3.4 Applications -- 18.4 Developing Processes and Learning More -- Chapter 19 Blending Synthesized Sounds -- 19.1 Basic Concepts -- 19.2 Fixed Parameter Blends -- 19.2.1 Static Blend -- 19.2.2 Enhancements to Static Blend -- 19.3 Envelope-Controlled Blends -- 19.4 Cross-Fading -- 19.4.1 Two Signal Cross-Fade -- 19.4.2 Four Signal Cross-Fade -- 19.4.3 Eight Signal Cross-Fade -- 19.5 Developing Processes and Learning More
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5.3 Amplitude Control -- 5.3.1 Simple Amplitude Control -- 5.3.2 Two Channel Amplitude Control -- 5.3.3 Naturalistic Amplitude Control -- 5.3.4 Working with Decibels -- 5.4 Mixing -- 5.5 Pan Control and Stereo Balance -- 5.5.1 Monophonic and Stereophonic Signals -- 5.5.2 Panning -- 5.5.3 Stereo Balance -- 5.6 Combination of Elements -- 5.6.1 Ordering -- 5.6.2 Series and Parallel Forms -- 5.6.3 Practical Combination Examples -- 5.7 Developing Processes and Learning More -- Chapter 6 Filtering -- 6.1 Introduction -- 6.1.1 Filters and Audio Processes -- 6.1.2 Filtering arid Acoustic Sound Sources -- 6.1.3 Musical Frequency Ranges -- 6.1.4 Frequency (Magnitude) Responses -- 6.2 Standard Filters -- 6.2.1 Lowpass and Highpass Filters -- 6.2.2 Bandpass and Bandreject Filters -- 6.2.3 Comb and Allpass Filters -- 6.2.4 Variations in Filter Responses -- 6.3 Filter Combinations -- 6.3.1 Common Series and Parallel Forms -- 6.3.2 Subtractive Techniques -- 6.4 Filter Designs -- 6.4.1 Introduction -- 6.4.2 Lowpass and Highpass Designs -- 6.4.3 Bandpass and Bandreject Designs -- 6.4.4 Comb and Allpass Designs -- 6.5 Developing Processes and Learning More -- Chapter 7 Distortion -- 7.1 Introduction -- 7.1.1 Avoiding and Creating Distortion -- 7.1.2 Hard Clipping -- 7.2 Distortion Functions -- 7.2.1 Soft Clipping Distortion -- 7.2.2 Other Distortion Transfer Functions -- 7.2.3 Controlling Distortion Character -- 7.3 Distortion of Complex Signals -- 7.4 Developing Processes and Learning More -- Chapter 8 Audio Data Techniques -- 8.1 Storing and Accessing Audio Data -- 8.1.1 Storage and Processing Requirements -- 8.1.2 Simple Buffering -- 8.1.3 Shift Registers and Circular Buffers -- 8.1.4 Delayed Sound -- 8.1.5 Pointer Position Considerations -- 8.2 Selecting and Interpolating Values -- 8.2.1 Introduction -- 8.2.2 Truncation and Rounding -- 8.2.3 Linear Interpolation
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8.2.4 Non-linear Interpolation -- 8.3 Level Measurement -- 8.3.1 Introduction -- 8.3.2 Accurate Peak Measurement -- 8.3.3 Accurate RMS Measurement -- 8.3.4 Filter-Based Techniques -- 8.3.5 Ramping Techniques -- 8.3.6 Selecting and Configuring Envelope Followers -- 8.4 Developing Processes and Learning More -- Chapter 9 Modulated Modifiers -- 9.1 Introduction -- 9.1.1 Variation over Time -- 9.1.2 Oscillators -- 9.2 Examples of Periodic Modulation -- 9.2.1 Tremolo and Autopan -- 9.2.2 Filter Modulation -- 9.2.3 Vibrato -- 9.2.4 Flanger and Phaser -- 9.2.5 Chorus -- 9.2.6 Modulated Modulators -- 9.3 Developing Processes and Learning More -- Chapter 10 Acoustic Environment -- 10.1 Basic Concepts -- 10.1.1 Types of Environmental Effects -- 10.1.2 Fundamentals of Sound in Enclosed Spaces -- 10.1.3 Practical Enclosed Spaces -- 10.2 Non-Recirculating Echo and Reverberation Forms -- 10.2.1 A Simple Model -- 10.2.2 Echo Effects -- 10.2.3 Multitap Implementation -- 10.2.4 Improvements to Echo Effects -- 10.2.5 Reverberation Effects -- 10.2.6 Convolution with Impulse Responses -- 10.3 Recirculating Echo Forms -- 10.3.1 Basic Concepts -- 10.3.2 Echo Effects -- 10.3.3 Improvements to Echo Effects -- 10.4 Recirculating Reverberation Forms -- 10.4.1 Basic Concepts -- 10.4.2 Reverberator with Comb and Allpass Filters -- 10.4.3 Multi-Stage Reverberator -- 10.4.4 Improvements to the Multi-Stage Reverberator -- 10.4.5 Stereo Reverberation -- 10.5 Developing Processes and Learning More -- Chapter 11 Dynamics Processes -- 11.1 Introduction -- 11.1.1 Manual and Automated Control Loops -- 11.1.2 Amplitude Dynamics -- 11.1.3 Basic Forms -- 11.2 Noise Gates -- 11.2.1 Main Principles -- 11.2.2 Simple Form -- 11.2.3 Improvements to the Simple Form -- 11.2.4 Additional Techniques -- 11.3 Compressors -- 11.3.1 Main Principles -- 11.3.2 Compressor Form -- 11.4 Further Techniques
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Chapter 20 Modulation for Synthesis
Additional Edition:
Print version Creasey, David Audio Processes Oxford : Taylor & Francis Group,c2016 ISBN 9781138100114
Language:
English
Keywords:
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