CHAPTER 4

Interface to the Virtual World — Output

A key component of a virtual reality experience is how the user perceives the environment. Their physical perception of the virtual world is based entirely on what the computer displays. We use the term display broadly to mean a method of presenting information to any of the senses. The human perceptual system has at least five senses providing information to the brain. Three of these senses—visual, aural, and haptic—are commonly presented with synthetic stimuli in a VR experience. VR systems fool the senses by output of computer-generated stimuli rather than natural stimuli to one or more of these senses.

We will not rank the importance of individual senses to the quality of a VR experience; ...

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