• About Core Audio

• Additional Resources

• Apple’s Objectives

• Introduction to Core Audio

• Hardware Abstraction Layer (HAL)

• Audio Unit

• Audio Codec

• Audio Toolbox

• MIDI Services

• Core Audio Types

• Using Core Audio

• Audio Data Operations

• MIDI Data Operations

• Higher Level Audio Operations

• Interfacing with Hardware

• Overview of Audio Codec

• The ACCodec Class

• The ACBaseCodec Class

• The ACSimpleCodec Class

• Miscellaneous Headers

• Audio Codec Reference

• Audio Codec Types

• Defined Data Types

• Data Structures

• AudioStreamLoudnessStatistics

• AudioCodecPrimeInfo

• Audio Codec Constants

• Component Identifiers

• Quality Settings

• Priming Selectors

• Output Packet Status Constants

• Audio Codec Properties

• Base Classes

• ACCodec

• Construction and Destruction

• Property Management

• Data Handling

• Component Support

• ACBaseCodec

• Construction and Destruction

• Property Management

• Data Handling

• Format Management

• ACSimpleCodec

• Construction and Destruction

• Data Handling

• Audio Codec Result Codes

• Overview of the Audio Toolbox

• Audio Converter

• Audio Format

• Audio File

• AUGraph

• Music Player and Music Sequence

• Using the Audio Toolbox

• Using Audio Converter

• Creating a New Audio Converter

• Converting Audio Data

• Supplying Data for AudioConverterFillComplexBuffer()

• Using Audio Format

• Getting Format ID Information

• Using Audio File

• Acquiring Global File Information

• Using AUGraph

• Audio Unit Graph State

• Setting up an Audio Unit Graph

• Modifying an Audio Unit Graph

• Closing an Audio Unit Graph

• Using Music Player and Music Sequence

• Setting Up a Music Sequence

• Adding Events to Tracks

• Setting Destinations for Sequences and Tracks

• Using the Tempo Track

• Disposing of Sequences and Tracks

• Getting Information about a Sequences and Tracks

• Using Music Track Properties

• Accessing Events within a Track

• Editing a Track

• Setting Up a Music Player

• Reading in Standard MIDI Files or MIDI Data

• Saving MIDI Data

• Audio Toolbox Reference

• Audio Converter Reference

• Audio Converter Types

• Defined Data Types

• Data Structures

• Audio Converter Constants

• Converter Quality Settings

• Priming Method Selectors

• Audio Converter Properties

• Audio Converter Functions

• AudioConverterNew

• AudioConverterDispose

• AudioConverterReset

• AudioConverterGetPropertyInfo

• AudioConverterGetProperty

• AudioConverterSetProperty

• AudioConverterInputDataProc

• AudioConverterFillBuffer

• AudioConverterComplexInputDataProc

• AudioConverterFillComplexBuffer

• Audio Converter Result Codes

• Audio Format Reference

• Audio Format Types

• Defined Data Types

• Data Structures

• Audio Format Constants

• Panning Modes

• Coordinate Flags

• Audio Format Properties

• AudioStreamBasicDescription Properties

• AudioChannelLayout Properties

• Other Properties

• Audio Format Functions

• AudioFormatGetPropertyInfo

• AudioFormatGetProperty

• Audio Format Result Codes

• Audio File Reference

• Audio File Types

• Defined Data Types

• Data Structures

• Constants

• File Types

• Audio File Properties

• Audio File Properties

• Audio File Global Info Properties

• Audio File Functions

• Data Handling

• Property Access

• Global Info Access

• Audio File Result Codes

• AUGraph Reference

• AUGraph Types

• Defined Data Types

• Data Structures

• AUGraph Functions

• NewAUGraph

• DisposeAUGraph

• AUGraphNewNode

• AUGraphNewNodeSubGraph

• AUGraphRemoveNode

• AUGraphGetNodeCount

• AUGraphGetIndNode

• AUGraphGetNodeInfo

• AUGraphGetNodeInfoSubGraph

• AUGraphIsNodeSubGraph

• AUGraphConnectNodeInput

• AUGraphDisconnectNodeInput

• AUGraphClearConnections

• AUGraphGetNumberOfConnections

• AUGraphCountNodeConnections

• AUGraphGetNodeConnections

• AUGraphGetConnectionInfo

• AUGraphUpdate

• AUGraphOpen

• AUGraphClose

• AUGraphInitialize

• AUGraphUninitialize

• AUGraphStart

• AUGraphStop

• AUGraphIsOpen

• AUGraphIsInitialized

• AUGraphIsRunning

• AUGraphGetCPULoad

• AUGraphSetRenderNotification

• AUGraphRemoveRenderNotification

• AUGraphAddRenderNotify

• AUGraphRemoveRenderNotify

• AUGraph Result Codes

• Music Player and Music Sequence Reference

• Music Player and Music Sequence Types

• Defined Data Types

• Data Structures

• Music Player and Music Sequence Constants

• Music Events

• Other Constants

• Music Track Properties

• Music Player, Music Sequence, and Music Track Functions

• Music Player Functions

• Music Sequence Functions

• Music Track Setup Functions

• Music Track Property Functions

• Music Track Event Setup Functions

• Music Track Event Editing

• Music Track Event Iteration

• Music Sequence Callbacks

• MusicSequenceUserCallback

• Music Player and Music Sequence Result Codes

• Overview

• The Audio Unit Framework

• The Audio Unit API

• Audio Unit State

• Audio Unit Sources and Destinations

• Audio Unit Properties

• Audio Unit Parameters

• I/O Management

• The “Pull” I/O Model

• Additional Information

• Reference

• Constants

• Component Types and Subtypes

• Render Action Flags

• Errors

• Parameter Event Types

• Component Call Selectors

• Audio Unit Properties

• Music Device Properties

• Output Unit Properties

• Various Audio Unit Properties

• Offline Unit Properties

• Reverb Room-Type Properties

• Spatialization Properties

• 3D Mixer Properties

• Render Quality Properties

• Panner Mode Properties

• Offline Unit Preflight Properties

• Scope Properties

• Preset Constants

• Parameter Unit Constants

• Parameter Flags

• MIDI Controller Parameters

• Bandpass Filter Unit Parameters

• AUHipass Unit Parameters

• AULowpass Unit Parameters

• AUHighShelfFilter Unit Parameters

• AULowShelfFilter Unit Parameters

• AUParametricEQ Unit Parameters

• AUMatrixReverb Unit Parameters

• Delay Unit Parameters

• AUPeakLimiter Unit Parameters

• AUDynamicsProcessor Unit Parameters

• AUMultibandCompressor Unit Parameters

• AUVarispeed Unit Parameters

• 3DMixer Unit Parameters

• StereoMixer Unit Parameters

• MatrixMixer Parameters

• Output Unit Parameters

• DLSMusicDevice Parameters

• Types

• Structures

• AudioUnitParameter

• AudioUnitProperty

• AudioUnitParameterEvent

• AudioUnitConnection

• AURenderCallbackStruct

• AudioUnitExternalBuffer

• AUChannelInfo

• AUPreset

• HostCallbackInfo

• AudioUnitCocoaViewInfo

• AudioUnitParameterValueName

• AudioUnitParameterNameInfo

• AudioUnitParameterInfo

• AudioUnitMIDIControlMapping

• AudioOutputUnitStartAtTimeParam

• Functions

• AudioUnitInitialize

• AudioUnitUninitialize

• AudioUnitRender

• AudioUnitReset

• AudioUnitGetPropertyInfo

• AudioUnitGetProperty

• AudioUnitSetProperty

• AudioUnitAddPropertyListener

• AudioUnitRemovePropertyListener

• AudioUnitAddRenderNotify

• AudioUnitRemoveRenderNotify

• AudioUnitGetParameter

• AudioUnitSetParameter

• AudioUnitScheduleParameters

• Callbacks

• AURenderCallback

• AudioUnitPropertyListenerProc

• AudioUnitGetParameterProc

• AudioUnitSetParameterProc

• AudioUnitRenderProc

• HostCallback_GetBeatAndTempo

• HostCallback_GetBeatAndTempo

• HostCallback_GetBeatAndTempo

• Audio Value Structures

• AudioValueRange

• AudioValueTranslation

• Audio Buffer Structures

• AudioBuffer

• AudioBufferList

• Audio Stream Basic Description

• AudioStreamBasicDescription

• Format IDs

• Format Flags

• Audio Stream Packet Description

• AudioStreamPacketDescription

• SMPTE Time

• SMPTETime

• SMPTE Types

• SMPTE Time Stamps

• Audio Time Stamp

• AudioTimeStamp

• Time Stamp Flags

• Audio Channel Layouts

• AudioChannelDescription

• AudioChannelLayout

• Defined Data Types

• Channel Labels

• Channel Bitmaps

• Channel Flags

• Channel Coordinates

• Channel Layout Tags