• Mac OS X Audio Capabilities

• Architecture of Mac OS X Audio

• Audio HAL (Core Audio)

• Secondary Audio Frameworks

• Audio Units

• Audio Toolbox

• MIDI System Services

• The Audio Family

• Apple Audio Drivers

• The Audio I/O Model on Mac OS X

• The Classes of the Audio Family

• Dynamic Relationships in the Audio Family

• The Audio Family and the I/O Registry

• The Roles of Audio Family Objects

• IOAudioDevice

• IOAudioEngine

• IOAudioStream

• IOAudioControl

• User Client Classes

• IOAudioPort

• The Audio I/O Model Up Close

• Ring Buffers and Timestamps

• The Audio HAL Predicts

• Interpolation

• Client Buffers and I/O Procedures

• A Walk Through the I/O Model

• Output Streams

• Erase Heads and Timer Services

• Input Streams

• Interfaces With the Audio HAL

• User Client Objects

• Custom Core Audio Properties

• Setting Up the Project

• Implementing an IOAudioDevice Subclass

• Hardware Initialization

• Creating the IOAudioEngine Objects

• Creating and Adding the IOAudioControl Objects

• Handling Sleep/Wake Notifications

• Implementing Control Value-Change Handlers

• Implementing an IOAudioEngine Subclass

• Hardware Initialization

• Configuring the I/O Engine

• Creating IOAudioStream Objects

• Starting and Stopping the I/O Engine

• Taking a Timestamp

• Providing a Playback Frame Position

• Implementing Format and Rate Changes

• Clipping and Converting Samples

• Debugging and Testing the Driver

• Tools for Testing Audio Drivers

• Custom Debugging Information in the I/O Registry

• General Issues

• Sample Buffer Issues

• Faking Timestamps

• Creating Custom Controls