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Leopard Sample Code: Audio
Apple's cross-platform QuickTime technology supports a wide range of audio compression and file formats including AAC, MP3, AIFF, and standard MIDI. QuickTime applications can use Apple's Core Audio technology for complete control of sound synthesis, processing, and playback of high-resolution audio, scalable to future audio formats.
View all QuickTime Sample Code.
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WhackedTV (HTML) (DMG) (ZIP)
A Cocoa version of the venerable HackTV sample code, demonstrating usage of the Sequence Grabber API's
 2008-05-09
QTAudioContextInsert (HTML) (DMG) (ZIP)
Demonstrates use of Audio Context Insert APIs to perform custom processing on QuickTime's audio stream.
 2008-01-21
QTExtractAndConvertToAIFF (HTML) (DMG) (ZIP)
Demonstrates using MovieAudioExtraction and an AudioConverter to extract and convert audio to a AIFF file.
 2006-11-08
QTExtractAndConvertToMovieFile (HTML) (DMG) (ZIP)
Demonstrates using MovieAudioExtraction and an AudioConverter to extract and convert audio to a QuickTime movie file.
 2006-11-08
ExtractMovieAudioToAIFF (HTML) (DMG) (ZIP)
Demonstrates how to extract audio from QuickTime Movies and write the data to an AIFF file.
 2006-03-31
SillyFrequencyLevels (HTML) (DMG) (ZIP)
Demonstrates how to obtain audio frequency levels from a Movie using SetMovieAudioFrequencyMeteringNumBands and GetMovieAudioFrequencyLevels APIs.
 2006-01-25
SimpleAudioExtraction (HTML) (DMG) (ZIP)
Demonstrates the QuickTime 7.0 Movie Audio Extraction APIs
 2006-01-03
QTAudioExtractionPanel (HTML) (DMG) (ZIP)
Enhances the QTKitPlayer to add an Audio Channel Mapping and Extraction panel
 2005-06-27