The immersion level may be increased by adding 3D audio (binaural audio), controllers for interaction and haptic (touch) feedback. An immersive VR experience requires a high screen frame rate, high resolution displays, a low system latency and sophisticated graphics. The level of immersion is determined by the sophistication level of the VR setup. The overall advantage of using VR is the feeling of “being there” or immersion. VR is used in many fields including entertainment (video gaming), robotic control (controlling ROVs, robotic surgery), therapy (treatment of anxiety disorders and PTSD (Posttraumatic Stress Disorder), meditation and educational purposes. through gestures or physical buttons or levers. The user may be able to interact with the environment, e.g. a room, landscape or a cockpit, may be presented to the user through a screen or a head mounted display (headset). Virtual Reality (VR) is the concept of being immersed into a computer generated environment with a visual, audible and optionally haptical representation of the environment.
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