| Sort by Title
 | Sorted by Resource Type
 | Sort by Date
 | 
| Going Universal: Audio Developers Catch the Wave
(HTML) Learn how audio developers who built universal binaries of their applications are reaping the benefits. | Articles | 2006-07-18 | 
| The Sound of Opportunity Knocking: The Audio Units Community Takes Off
(HTML) Learn how one developer created a successful business using audio units. | Articles | 2005-10-31 | 
| Turn up the Volume with Audio Units
(HTML) Learn to build a sample volume unit, test it, and integrate it into GarageBand. | Articles | 2005-01-31 | 
| Audio Queue Services Programming Guide
(HTML)
(PDF) Describes how to play and record audio using Audio Queue Services. | Guides | 2007-10-31 | 
| Audio Unit Programming Guide
(HTML)
(PDF) Explains how to use Core Audio frameworks and the Core Audio SDK to create audio units. | Guides | 2007-10-31 | 
| Core Audio Overview
(HTML)
(PDF) Provides an overview of Core Audio and its programming interfaces.  | Guides | 2007-01-08 | 
| QuickTime Music Architecture Guide
(HTML)
(PDF) Explains how to enable synthesizing and playing of sounds and musical sequences. | Guides | 2006-01-10 | 
| QuickTime Audio
(HTML) Explains how to enable recording and playback of various audio media. | Guides | 2002-09-17 | 
| Standard Sound Dialog Component
(HTML) Describes the QuickTime component that lets the user make audio parameter settings. | Guides | 2002-09-17 | 
| Audio File Services Reference
(HTML)
(PDF) Describes a C programming interface for reading and writing audio files. | Reference | 2008-07-08 | 
| Audio Queue Services Reference
(HTML)
(PDF) Describes a high-level programming interface for recording and playing back audio data.  | Reference | 2008-07-08 | 
| Core Audio Glossary
(HTML)
(PDF) Defines general digital audio terms as well as terms specific to Apple's Core Audio technology. | Reference | 2008-07-07 | 
| Disc Recording Framework Reference
(HTML) Describes the Objective-C and C API for burning audio and data CDs and DVDs. | Reference | 2008-04-08 | 
| Disc Recording UI Framework Reference
(HTML) Describes the Objective-C and C API for presenting a user interface when burning audio and data CDs and DVDs. | Reference | 2008-04-08 | 
| MIDI File Format
(HTML) Describes the QuickTime implementation of the MIDI file standard. | Reference | 2002-09-17 | 
| DiscRecording Release Notes
(HTML) Updated for Mac OS X v10.5 | Release Notes | 2007-10-31 | 
| RecordAudioToFile
(HTML)
(DMG)
(ZIP) Demonstrates recording audio to an AAC file using Core Audio | Sample Code | 2007-02-27 | 
| TremoloUnit
(HTML)
(DMG)
(ZIP) Audio unit sample demonstrating how to build an effect unit with a generic view. | Sample Code | 2006-10-26 | 
| SimplePlayThru
(HTML)
(DMG)
(ZIP) Use the HAL's Audio Output Unit (AUHAL) for device input and output on a single device (play-thru) | Sample Code | 2006-10-25 | 
| AudioQueueTest
(HTML)
(DMG)
(ZIP) Demonstrates AudioQueue, an audio playback API introduced in Mac OS X 10.5 | Sample Code | 2006-08-01 | 
| AudioDeviceNotify
(HTML)
(DMG)
(ZIP) Demonstrates how to enumerate audio devices attached to the system and how to handle device notifications | Sample Code | 2006-04-21 | 
| MoreIsBetter
(HTML)
(DMG)
(ZIP) Library providing indispensable wrapers and workarounds for many areas of Mac OS programming. | Sample Code | 2003-10-27 | 
| SimpleSpeechRecExample
(HTML)
(DMG)
(ZIP) Demonstrates how to use the Speech Recognition Manager in a simple application. | Sample Code | 2003-03-26 | 
| VelEng FFT
(HTML)
(DMG)
(ZIP) G4 Velocity Engine implementation of Fast Fourier Transform (FFT) and associated convolution/correlation routines. | Sample Code | 2003-01-14 | 
| Handling Audio Unit Events
(HTML) TN2104: This technote explains how to handle AudioUnit Events | Technical Notes | 2005-04-29 | 
| The System Sound APIs for Mac OS X 10.2, 10.3 and later
(HTML) TN2102: Discusses the System Sound APIs for correctly playing Alerts and User Interface Sound Effects | Technical Notes | 2004-07-13 | 
| Using the 3DMixer Audio Unit
(HTML) TN2112: Discusses how to use Core Audio's 3DMixer version 2.0 | Technical Notes | 2004-06-14 | 
| Audio Queue - Looping Compressed Audio
(HTML) QA1636: Discusses the format information required to seamlessly loop compressed audio using Audio Queue. | Technical Q&As | 2009-02-20 | 
| The header file 'alut.h' is missing from the OpenAL framework.
(HTML) QA1504: ALUT headers were removed from OpenAL.framework with the Xcode 2.4. This Q&A describes how to regain access to those system-supplied symbols | Technical Q&As | 2007-02-06 | 
| Changing the volume of audio devices
(HTML) QA1016: Demonstrates volume controls for audio devices | Technical Q&As | 2006-05-02 | 
| CoreAudio Overload Warnings
(HTML) QA1467: Describes CoreAudio overload warnings what they mean and how to avoid them. | Technical Q&As | 2006-03-29 | 
| Synchronizing Sounds to Video
(HTML)
(  ) Deprecated - SND19: Enabling regular sound callbacks under Mac OS 9 and Sound Manager 4.0. | Technical Q&As | 1999-10-05 | 
| Synchronous SysBeep
(HTML)
(  ) Deprecated - SND18: Obtaining a synchronous SysBeep with Sound Manager 3.1. | Technical Q&As | 1999-10-05 | 
| MACE Restrictions
(HTML)
(  ) Deprecated - SND16: MACE algorithms only support the compression of 8-bit offset binary sound. | Technical Q&As | 1999-06-08 | 
| Capturing Speech Manager Output
(HTML)
(  ) Deprecated - SND15: Capturing the output from the Speech Synthesis Manager to a file. | Technical Q&As | 1998-05-18 | 
| Recording Compressed Sounds
(HTML)
(  ) Deprecated - SND14: Sound Manager and sound input driver compression options are limited to allow interrupt time recording. | Technical Q&As | 1998-04-12 | 
| siMonitorSource Selector
(HTML)
(  ) Deprecated - SND13: Using the sound output siMonitorAvailable, and siMonitorSource selectors. | Technical Q&As | 1998-04-12 | 
| siOSTypeInput Selectors
(HTML)
(  ) Deprecated - SND12: The use of siOSTypeInputSource, and siOSTypeInputAvailable selectors and extracting the siOSTypeInputAvailable OSTypes returned. | Technical Q&As | 1998-04-12 | 
| Setting Audio Input Gain
(HTML)
(  ) Deprecated - SND11: Setting audio input gain under Mac OS 8.1. | Technical Q&As | 1998-02-10 | 
| Selecting a specific sound input source
(HTML)
(  ) Deprecated - SND10: Using the sound input driver to select specific sound input sources. | Technical Q&As | 1998-01-16 | 
| siOSTypeInputAvailable Format
(HTML)
(  ) Deprecated - SND09: The format of the data returned by the siOSTypeInputAvailable selector is SoundInfoList. | Technical Q&As | 1998-01-16 | 
| Making Input Gain Setting Changes
(HTML)
(  ) Deprecated - SND01: Changing the input gain setting on older Power Macs before recording. | Technical Q&As | 1996-06-01 | 
| siActive Channels Unsupported on Some Power Macs
(HTML)
(  ) Deprecated - SND03: siActive Channels is unsupported on some older PowerMacs (siUnknownInfoType returned by SPBGetDeviceInfo). | Technical Q&As | 1996-06-01 |