Introduction

Organization of This Document

This document is organized into the following chapters:

• What Is Core Audio? describes the features of Core Audio and what you can use it for.
• Core Audio Essentials describes the architecture of Core Audio, introduces you to its programming patterns and idioms, and shows you the basics of how to use it in your applications.
• Common Tasks in OS X outlines how you can use Core Audio to accomplish several audio tasks in OS X.

This document also contains four appendixes:

• Core Audio Frameworks lists the frameworks and headers that define Core Audio.
• Core Audio Services provides an alternate view of Core Audio, listing the services available in iOS, OS X, and on both platforms.
• System-Supplied Audio Units in OS X lists the audio units that ship in OS X v10.5.
• Supported Audio File and Data Formats in OS X lists the audio file and data formats that Core Audio supports in OS X v10.5.

See Also

For more detailed information about audio and Core Audio, see the following resources:

• AVAudioPlayer Class Reference, which describes a simple Objective-C interface for audio playback in iOS applications.
• Audio Session Programming Guide, which explains how to specify important aspects of audio behavior for iOS applications.
• Audio Queue Services Programming Guide, which explains how to implement recording and playback in your application.
• Core Audio Data Types Reference, which describes the data types used throughout Core Audio.
• Audio File Stream Services Reference, which describes the interfaces you use for working with streamed audio.
• Audio Unit Programming Guide, which contains detailed information about creating audio units for OS X.
• Core Audio Glossary, which defines terms used throughout the Core Audio documentation suite.
• Apple Core Audio Format Specification 1.0, which describes Apple’s universal audio container format, the Core Audio File (CAF) format.
• The Core Audio mailing list: http://lists.apple.com/mailman/listinfo/coreaudio-api
• The OS X audio developer site: http://developer.apple.com/audio/
• The Core Audio SDK (software development kit), available at http://developer.apple.com/sdk/

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