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