Core Audio is a set of application programming interfaces (APIs) developed by Apple for managing audio on its platforms, including iOS and macOS. It provides developers with tools to handle audio playback, recording, and processing, enabling high-quality sound experiences in applications. The framework supports various audio formats and allows for low-latency audio processing, making it suitable for real-time applications like music production and gaming. With Core Audio, developers can create rich audio environments, manipulate sound in innovative ways, and ensure seamless integration with other Apple technologies.