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Technical Q&As: Carbon
System-level services in Mac OS X streamline the development process for audio developers, as well as for application developers who want to incorporate music and other audio media into their products. Core Audio is available to Carbon applications. It provides native, multichannel audio in a manner scalable for future high-resolution formats. The Audio Unit API provides a plug-in architecture for both DSP (audio in/audio out) and virtual instruments (MIDI in/audio out). MIDI services allow for multiport MIDI capability.

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Core Audio & Xcode - Ensuring the latest Core Audio Headers are installed (HTML)
QA1386: Describes how to ensure you're working with the latest Core Audio Header files with Xcode.
2005-01-18
Avoiding Pauses When Looping Audio files with QuickTime (HTML)
QA1371: Demonstrates how to avoid pauses when looping audio files with QuickTime
2004-09-08
Synchronizing Sounds to Video (HTML) ()
Deprecated - SND19: Enabling regular sound callbacks under Mac OS 9 and Sound Manager 4.0.
1999-10-05
Synchronous SysBeep (HTML) ()
Deprecated - SND18: Obtaining a synchronous SysBeep with Sound Manager 3.1.
1999-10-05
Using Sound control panel to configure the sound input settings (HTML) ()
SND17: Under Mac OS 9.0, configuring sound input settings isn't possible after application launch.
1999-10-05
MACE Restrictions (HTML) ()
Deprecated - SND16: MACE algorithms only support the compression of 8-bit offset binary sound.
1999-06-08
Capturing Speech Manager Output (HTML) ()
Deprecated - SND15: Capturing the output from the Speech Synthesis Manager to a file.
1998-05-18
Recording Compressed Sounds (HTML) ()
Deprecated - SND14: Sound Manager and sound input driver compression options are limited to allow interrupt time recording.
1998-04-12
siMonitorSource Selector (HTML) ()
Deprecated - SND13: Using the sound output siMonitorAvailable, and siMonitorSource selectors.
1998-04-12
siOSTypeInput Selectors (HTML) ()
Deprecated - SND12: The use of siOSTypeInputSource, and siOSTypeInputAvailable selectors and extracting the siOSTypeInputAvailable OSTypes returned.
1998-04-12
Setting Audio Input Gain (HTML) ()
Deprecated - SND11: Setting audio input gain under Mac OS 8.1.
1998-02-10
Selecting a specific sound input source (HTML) ()
Deprecated - SND10: Using the sound input driver to select specific sound input sources.
1998-01-16
siOSTypeInputAvailable Format (HTML) ()
Deprecated - SND09: The format of the data returned by the siOSTypeInputAvailable selector is SoundInfoList.
1998-01-16
Making Input Gain Setting Changes (HTML) ()
Deprecated - SND01: Changing the input gain setting on older Power Macs before recording.
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).
1996-06-01