Leopard Technical Q&As
This page lists new and recently changed Technical Q&As.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

New and updated Technical Q&As are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2009-04-12 AudioChannelLayout - What's the Audio Channel Order when the Layout has a Channel Bitmap? (HTML)
First Version
 First Version Audio
2009-01-07 Creating Core Audio Format (.caf) Files (HTML)
First Version
 First Version Audio
2008-11-05 Playback of QuickTime movie audio through a multi-channel speaker system (HTML)
First Version
 First Version Audio
2009-01-29 QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
Editorial
 Minor Change Audio
2008-11-05 QuickTime Audio - Retrieving the correct audio format bit depth value (HTML)
editorial
 Minor Change Audio
2009-01-29 QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
Editorial
 Minor Change Carbon
2008-10-13 QTKit Capture - Disabling specific audio channels when recording (HTML)
First Version
 First Version Cocoa
2008-09-16 QTKit Capture - Video Compression Options And Preview (HTML)
First Version
 First Version Cocoa
2009-01-29 QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
Editorial
 Minor Change Cocoa
2008-11-20 Video Digitizers - Adding Clean Aperture and Pixel Aspect Ratio Information (HTML)
Editorial
 Minor Change Graphics & Imaging
2008-11-20 Video Digitizers - Adding Clean Aperture and Pixel Aspect Ratio Information (HTML)
Editorial
 Minor Change Hardware & Drivers
2009-03-16 Movie export with AAC or AMR audio formats (HTML)
Updated licensing requirements
 Content Update Import & Export
2009-03-30 QuickTime Media Optimization Properties (HTML)
Minor Change Import & Export
2008-11-05 Opening a Web page using an HREF track in QuickTime Player (HTML)
Opening a Web page using an HREF track in QuickTime Player
 First Version Internet & Web
2009-01-29 QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
Editorial
 Minor Change Movie Basics
2009-03-30 QuickTime Media Optimization Properties (HTML)
Minor Change Movie Basics
2008-09-16 QTKit Capture - Video Compression Options And Preview (HTML)
First Version
 First Version Movie Creation
2009-03-30 QuickTime Media Optimization Properties (HTML)
Minor Change Movie Creation
2008-11-20 Video Digitizers - Adding Clean Aperture and Pixel Aspect Ratio Information (HTML)
Editorial
 Minor Change QuickTime Component Creation
2009-03-16 Movie export with AAC or AMR audio formats (HTML)
Updated licensing requirements
 Content Update QuickTime for Windows