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Technical Q&As: QuickTime
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 Music & Audio Technical Q&As.
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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
SetSoundMediaBalance balance parameter clarification (HTML) ()
QTMTB49: Describes correct parameter values for the SetSoundMediaBalance routine.
2004-12-01
Avoiding Pauses When Looping Audio files with QuickTime (HTML)
QA1371: Demonstrates how to avoid pauses when looping audio files with QuickTime
2004-09-08
Available FireWire Isochronous Bandwidth (HTML)
QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.
2004-07-07
Setting Sequence Grabber Sound Input Device Driver Parameters (HTML) ()
QA1204: Setting sound input device driver parameters for QuickTime sequence grabber audio channels.
2002-10-25
Batch Exporting movie sound tracks with ConvertMovieToFile() (HTML)
QTMTB62: Explains how to configure ConvertMovieToFile to use the same configuration information for more than one call.
2000-09-05
Using MovieExportSetSampleDescription to specify the format of exported data (HTML)
QTMTB59: Describes using the ConvertMovieToFile routine to export a WAV audio-only movie to an AIFF file using a specific compressor.
2000-09-05
Playing memory-resident WAVE data using QuickTime 4 (HTML) ()
QTMTB52: Explains how to play memory-resident WAVE data in QuickTime 4 or later.
1999-07-21
Playing QuickTime 3 Movie Sound Data (HTML) ()
QTMTB50: Explains why a movie's sound data can continue to play longer than video data.
1998-11-09
QuickTime Music Architecture Header Update (HTML) ()
QTMA06: Explains missing and changed items in QuickTime 2.5.
1996-08-21
Developing a QuickTime Musical Instrument (HTML)
Deprecated - QTMA05: Explains resolving the lack of QuickTime 2.0 API support for creating new music components.
1995-05-01