Core Audio
Core Audio is an umbrella term used to describe the collective audio support under Mac OS X and iOS. This support consists of a number of frameworks, including the CoreAudio.Framework itself. The audio architecture is shown in Figure 12-2.
Figure 12-2. Mac OS X and iOS audio architecture
The core of the architecture is implemented in the Audio HAL (hardware abstraction layer), which acts as an intermediary between the frameworks, applications, and the audio hardware and driver. The current architecture exists to address a number of limitations with the previous audio architecture found in Mac OS 9. In OS 9, an application using ...
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