what is the engine for this reply system

Asked on 07/31/2024

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The engine for the reply system described in the context is based on RealityKit's audio capabilities. Specifically, it involves using a custom audio system that reads throttle values, maps them to logarithmic decibels, and updates the spatial audio components' gain property accordingly. This system allows for dynamic audio playback that changes in loudness and tonality based on the throttle value, providing a more immersive and realistic audio experience.

For more details, you can refer to the session Enhance your spatial computing app with RealityKit audio (07:17).