Core Audio
Core Audio is Apple's low-level audio framework for macOS and iOS, providing a comprehensive set of APIs for audio processing, playback, recording, and system-level audio management. It includes components like Audio Units for real-time audio processing, Audio Queue Services for playback/recording, and Audio File Services for handling audio files. The framework is designed for high-performance, low-latency audio applications, from simple media players to professional digital audio workstations.
Developers should learn Core Audio when building audio-intensive applications for Apple platforms, such as music production software, audio editors, VoIP apps, or games requiring advanced audio features. It's essential for scenarios needing precise control over audio hardware, real-time processing, or integration with system audio services like AirPlay and audio routing. Use it over higher-level frameworks like AVFoundation when low-latency, custom audio pipelines, or access to raw audio data is required.