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Audio in your App - Xcode 4.5 - YouTube
https://www.youtube.com/watch?v=gARaVChjDaM
In this tutorial, I show how to add your own mp3 audio file to your app. I show you how to do volume control, set number of playbacks, play, pause, and stop ...
App Extension Programming Guide: Audio Unit
https://developer.apple.com/library/archive/documentation/General/Conceptual/ExtensibilityPG/AudioUnit.html
The Audio Unit app extension template is available starting in Xcode 7. How Audio Unit App Extensions Work. In a host app that supports audio units in its audio processing pipeline, a user can choose to use an Audio Unit app extension to add the app extension’s features to the host app. Each Audio Unit app extension contains exactly one audio ...
New Features in Xcode 4 - Apple Developer
https://developer.apple.com/library/archive/documentation/Xcode/Conceptual/WhatsNewXcode-Archive/Articles/xcode_4_0.html
Xcode 4.5 adds support for development with iOS 6 SDK and includes additional features. Xcode 4.6 adds support for development with the iOS 6.1 SDK and includes new features for the compiler and debugger. Xcode 4.6.1 supports development with OS X 10.8.3 SDK and provides compatibility for ARC in projects targeting OS X 10.6.
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