Audio Processes

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

14.1 Introduction

Signal generators are fundamental to a wide range of audio processes. The main types of signal generator in this book are:

• Oscillators that produce a continuous repeating waveform output.
• Noise ...