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Audio Export - Encoding AAC Audio For MPEG-4 Export
(HTML)
TN2237: The QT MPEG4 Exporter does not show all options for generating AAC, this TN discusses workarounds.
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Technical Notes |
2009-01-27
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Creating Core Audio Format (.caf) Files
(HTML)
QA1534: Describes how to use afconvert to create .caf files
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Technical Q&As |
2009-01-07
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ExtractMovieAudioToAIFF
(HTML)
(DMG)
(ZIP)
Demonstrates how to extract audio from QuickTime Movies and write the data to an AIFF file.
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Sample Code |
2006-03-31
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How do I create a QuickTime movie from PCM audio samples in memory?
(HTML)
QA1539: How to create a QuickTime movie from PCM audio samples in memory
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Technical Q&As |
2007-08-29
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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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MovieAudioExtraction - Ensure a Movie is fully loaded before starting an extraction session
(HTML)
QA1469: Describes the importance of making sure a Movie is fully loaded before extracting audio.
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Technical Q&As |
2006-03-29
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MovieAudioExtraction - Extracting all available audio samples
(HTML)
QA1481: Describes how to correct for MovieAudioExtraction missing some audio samples at the end of audio files.
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Technical Q&As |
2006-07-18
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Playback of QuickTime movie audio through a multi-channel speaker system
(HTML)
QA1627: Specify a specific pair of channels for QuickTime audio movie playback through a multi-channel speaker system
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Technical Q&As |
2008-11-05
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Playing QuickTime 3 Movie Sound Data
(HTML)
( )
QTMTB50: Explains why a movie's sound data can continue to play longer than video data.
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Technical Q&As |
1998-11-09
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QTAudioContextInsert
(HTML)
(DMG)
(ZIP)
Demonstrates use of Audio Context Insert APIs to perform custom processing on QuickTime's audio stream.
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Sample Code |
2008-01-21
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QTAudioExtractionPanel
(HTML)
(DMG)
(ZIP)
Enhances the QTKitPlayer to add an Audio Channel Mapping and Extraction panel
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Sample Code |
2005-06-27
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QTExtractAndConvertToAIFF
(HTML)
(DMG)
(ZIP)
Demonstrates using MovieAudioExtraction and an AudioConverter to extract and convert audio to a AIFF file.
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Sample Code |
2006-11-08
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QTExtractAndConvertToMovieFile
(HTML)
(DMG)
(ZIP)
Demonstrates using MovieAudioExtraction and an AudioConverter to extract and convert audio to a QuickTime movie file.
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Sample Code |
2006-11-08
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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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QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs
(HTML)
QA1459: Describes how to perform frequency band level metering using MovieAudio metering APIs.
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Technical Q&As |
2009-01-29
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QuickTime Audio - Retrieving the correct audio format bit depth value
(HTML)
QA1477: Discusses how to retrieve accurate audio format bit depth.
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Technical Q&As |
2008-11-05
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QuickTime Media Types and Media Handlers Guide
(HTML)
(PDF)
Describes video, sound, text, time code, and tween media handlers.
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Guides |
2006-01-10
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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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SillyFrequencyLevels
(HTML)
(DMG)
(ZIP)
Demonstrates how to obtain audio frequency levels from a Movie using SetMovieAudioFrequencyMeteringNumBands and GetMovieAudioFrequencyLevels APIs.
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Sample Code |
2006-01-25
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SimpleAudioExtraction
(HTML)
(DMG)
(ZIP)
Demonstrates the QuickTime 7.0 Movie Audio Extraction APIs
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Sample Code |
2006-01-03
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Slope/Intercept Audio
(HTML)
Explains how to store floating point audio data in QuickTime files.
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Guides |
2002-09-17
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Sound Manager Codec support in QuickTime 7
(HTML)
QA1448: Describes QuickTime 7 support for constant bitrate and variable bitrate Sound Manager codecs
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Technical Q&As |
2005-10-26
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Standard Audio - Parsing the kQTSCAudioPropertyID_CodecSpecificSettingsArray property
(HTML)
QA1437: Discusses how to parse the kQTSCAudioPropertyID_CodecSpecificSettingsArray property returned from StdAudio. Also see Q&A 1390.
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Technical Q&As |
2006-11-30
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Standard Audio - Setting output ASBD returns badFormatErr
(HTML)
QA1489: Discusses why badFormatErr may be returned from Standard Audio
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Technical Q&As |
2006-11-15
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Standard Audio - The CodecSpecificSettingsArray and MagicCookie properties
(HTML)
QA1390: Discusses Core Audio AudioConverter configuration with StdAudio, specifically the CodecSpecificSettingsArray property.
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Technical Q&As |
2006-11-16
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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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Using the Audio Extraction API in QuickTime 7
(HTML)
Learn how your application can extract audio from multiple sound tracks in a QuickTime movie.
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Articles |
2005-12-19
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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
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Sample Code |
2008-05-09
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