IOS:CoreAudio
Core Audio provides software interfaces for implementing audio features in applications you create for iOS and OS X. Under the hood, it handles all aspects of audio on each of these platforms. In iOS, Core Audio capabilities include recording, playback, sound effects, positioning, format conversion, and file stream parsing, as well as:
- A built-in equalizer and mixer that you can use in your applications
- Automatic access to audio input and output hardware
- APIs to let you manage the audio aspects of your application in the context of a device that can take phone calls
- Optimizations to extend battery life without impacting audio quality