• The Audio Unit Development Cycle

• What Is An Audio Unit?

• Audio Unit Programmatic Structure and Life Cycle

• Audio Unit File Structure

• Some Basic Terminology

• Audio Units as Plug-Ins

• The Nature of Plug-Ins

• Tutorial: Using an Audio Unit in a Host Application

• The Role of the Core Audio SDK

• Component Manager Requirements for Audio Units

• Audio Unit Installation and Registration

• Audio Unit Identification

• Plug-in API Requirements for Audio Units

• The Audio Unit Specification

• Audio Units as Instances of the Model-View-Controller Design Pattern

• Audio Units in Action

• Opening and Closing Audio Units

• Adding Copy Protection

• Multiple Instantiation

• Audio Processing Graphs and the Pull Model

• Processing: The Heart of the Matter

• Processing

• Resetting

• Adjustments While Rendering

• Supporting Parameter Automation

• Audio Unit Validation and Testing

• Audio Unit Validation with the auval Tool

• Audio Unit Testing and Host Applications

• Testing with AU Lab

• What You Can Test with AU Lab

• Varying the Host Application’s Characteristics

• Custom Testing of Audio Units

• Audio Unit Architecture

• Audio Unit Scopes

• Audio Unit Elements

• Audio Unit Connections

• Audio Processing Graph Connections

• Render Callback Connections

• Audio Unit Channels

• Creating an Audio Unit by Subclassing

• Control Code: Parameters, Factory Presets, and Properties

• Defining and Using Parameters

• Factory Presets and Parameter Persistence

• Defining and Using Properties

• Commonly Used Properties

• Defining Custom Properties

• Synthesis, Processing, and Data Format Conversion Code

• Signal Processing

• Music Synthesis

• Music Effects

• Data Format Conversion

• Audio Unit Life Cycle

• Overview

• Categories of Programmatic Events

• Bringing an Audio Unit to Life

• Property Configuration

• Audio Unit Initialization and Uninitialization

• Kernel Instantiation in n-to-n Effect Units

• Audio Processing Graph Interactions

• Audio Unit Processing

• Closing

• Types of Views

• Separation of Concerns

• The Generic View

• Custom Views

• View Instantiation and Initialization

• Parameter and Property Events

• The Audio Unit Event API

• Parameter Gestures

• Basic Parameter Adjustments

• Parameter Adjustments with Notification

• Tutorial: Demonstrating Parameter Gestures and Audio Unit Events

• Obtaining the Core Audio SDK

• Navigating within the Core Audio SDK

• The AudioUnits Folder

• The PublicUtility Folder

• The Services Folder

• Overview

• Install the Core Audio Development Kit

• Specify the Function of Your Audio Unit

• Design the Parameter Interface

• Design the Factory Presets

• Collect Configuration Information for the Audio Unit Bundle

• Set Your Company Name in Xcode

• Create and Configure the Project

• Test the Unmodified Audio Unit

• Implement the Parameter Interface

• Name the Parameters and Set Values

• Edit the Constructor Method

• Define the Parameters

• Provide Strings for the Waveform Pop-up Menu

• Implement the Factory Presets Interface

• Name the Factory Presets and Give Them Values

• Add Method Declarations for Factory Presets

• Set the Default Factory Preset

• Implement the GetPresets Method

• Define the Factory Presets

• Implement Signal Processing

• DSP Design for the Tremolo Effect

• Define Member Variables in the Kernel Class Declaration

• Write the TremoloUnitKernel Constructor Method

• Override the Process Method

• Override the Reset Method

• Implement the Tail Time Property

• Validate your Completed Audio Unit

• Test your Completed Audio Unit

• Core Audio SDK Audio Unit Class Hierarchy

• Starting Points for Common Audio Units