which audio apis are there?
Asked on 2024-07-30
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Apple provides a variety of audio APIs and frameworks to enhance app experiences. Here are some of the key audio APIs mentioned in the WWDC sessions:
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RealityKit Audio:
- Spatial Audio: Allows for six degrees of freedom, physically based distance attenuation, and real-time reverb simulation from surroundings. It is recommended to use mono files to avoid mix down artifacts (Enhance your spatial computing app with RealityKit audio).
- Custom Audio Units: You can create custom audio units with Objective-C interfaces and real-time safe code in their render blocks (Enhance your spatial computing app with RealityKit audio).
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Phase Framework:
- Physical Audio Specialization Engine: Helps create rich, dynamic audio experiences and simulate complex effects like geometric sound occlusion. It is particularly useful for games (Port advanced games to Apple platforms).
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Web Audio API:
- Web Standards for Audio: Allows for sophisticated audio processing and is compatible with visionOS for spatial audio (Optimize for the spatial web).
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Audio Units:
- Real-time Processing with BNNS Graph: Allows for creating or modifying audio and MIDI data, useful in music production apps like Logic Pro and GarageBand. It supports real-time machine learning inference for tasks like bitcrushing or quantizing audio (Support real-time ML inference on the CPU).
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ScreenCaptureKit:
- Microphone Capture: Allows capturing microphone audio along with system audio for recording purposes (Capture HDR content with ScreenCaptureKit).
These APIs and frameworks provide a comprehensive set of tools for creating immersive and dynamic audio experiences across different Apple platforms.
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