WWDC 2012 Session 505: Audio Session and Multiroute Audio in iOS by Torrey Holbrook Walker


iOS provides a powerful engine for playing, recording, and processing audio in your applications for iPhone, iPad, or iPod touch. Learn how to deliver multiple streams of audio from your application. Gain a thorough understanding of the new capabilities in audio session management.

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WWDC 2012 Session 237: Advanced iCloud Document Storage by Mark Piccirelli


This is a practical session about writing applications that store files in iCloud but don’t use AppKit and UIKit’s convenient built-in document classes. Learn how apps that need to manage their own files and directories independently can take advantage of NSFileCoordinator and NSFilePresenter. See how your app can use the tips and techniques in this session to better integrate with iCloud.

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WWDC 2012 Session 604: Advanced Effects with HTML5 Media Technologies by Vicki Murley


Go beyond play, pause, and seek. Come and see how the latest HTML5 audio and video technologies can enrich the web content in your website, app, or book. Discover the Web Audio API to process and synthesize audio, find out how to synchronize the playback of several pieces of media, get tips for combining your media with CSS effects, and more.

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WWDC 2012 Session 219: Advanced Collection Views and Building Custom Layouts by Luke the Hiesterman


Collection views in iOS 6 allow you to move beyond table views to create rich displays for ordered data. Dive deeper into the capabilities of collection views and learn how to write customized layouts that push the boundaries of interfaces in your applications.

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WWDC 2012 Session 230: Advanced Attributed Strings for iOS by Ian Baird


Dive deeper into advanced techniques when using attributed strings on iOS 6. Learn about kerning, ligatures, and other advanced typographical features of string drawing to create compelling text effects.

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