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Leopard Sample Code: 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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AudioDeviceNotify (HTML) (DMG) (ZIP)
Demonstrates how to enumerate audio devices attached to the system and how to handle device notifications
 2006-04-21
AudioQueueTest (HTML) (DMG) (ZIP)
Demonstrates AudioQueue, an audio playback API introduced in Mac OS X 10.5
 2006-08-01
MoreIsBetter (HTML) (DMG) (ZIP)
Library providing indispensable wrapers and workarounds for many areas of Mac OS programming.
 2003-10-27
RecordAudioToFile (HTML) (DMG) (ZIP)
Demonstrates recording audio to an AAC file using Core Audio
 2007-02-27
SimplePlayThru (HTML) (DMG) (ZIP)
Use the HAL's Audio Output Unit (AUHAL) for device input and output on a single device (play-thru)
 2006-10-25
SimpleSpeechRecExample (HTML) (DMG) (ZIP)
Demonstrates how to use the Speech Recognition Manager in a simple application.
 2003-03-26
TremoloUnit (HTML) (DMG) (ZIP)
Audio unit sample demonstrating how to build an effect unit with a generic view.
 2006-10-26