Latency: Difference between revisions
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Latency is the delay between action and reaction. Having low latency is crucial when using a [[Head-mounted Display]] for [[VR]] or [[AR]]. As you move your head, your [[HMD]] should display the resulting changes immediately. Any significant delay will cause your brain to reject the legitimacy of the virtual world and cause you to lose [[presence]]. High latency can also cause [[Motion Sickness]]. | Latency is the delay between action and reaction. Having low latency is crucial when using a [[Head-mounted Display]] for [[VR]] or [[AR]]. As you move your head, your [[HMD]] should display the resulting changes immediately. Any significant delay will cause your brain to reject the legitimacy of the virtual world and cause you to lose [[presence]]. High latency can also cause [[Motion Sickness]]. | ||
Minimizing latency is one of VR and AR's biggest challenges. Human brains can detect very small latency in the visual and audio systems. According to [[John Carmack]], these systems need to bring latency to below 20 millimeter to be undetectable by the brain. | |||
==Motion-to-photon latency / End-to-end latency== | ==Motion-to-photon latency / End-to-end latency== | ||