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Glossary of Virtual Reality Terms

Immerse have put together a glossary of some of the most used acronyms and words from the virtual reality industry. This article will be regularly updated with new terms as and when they arise.

Please leave a comment if you think we have missed any terms that should be included!

VR

Virtual Reality – using a headset such as a HTC Vive or Oculus Rift to enter a 3D world that completely replaces the real world.

AR                           

Augmented reality – viewed through headsets or smart devices, allows virtual 3D elements to be seen in over and around the real world

MR or Augmented Virtuality

Mixed reality – both AR and VR together

XR

Extended reality – a combination of AR, VR and MR

SDK

Software Development Kit – a range of tools or a platform allowing developers to create software or technology for themselves

CAD

Computer Aided Design – Creating models on a computer/device possibly using software such as AutoCAD

Tethered/Untethered

Whether or not a headset or piece of equipment can run without connecting wires.

4K or 8K resolution

Ultra-high resolution – images taken in 4K are incredibly high quality where you should not be able to see individual pixels. The images are crisp and clear.

Apps

Applications – these are platforms, software and tools that allow you to do a certain thing easily.

Silicon Valley

The southern portion of the Bay Area in California, known for being home to many of the world’s largest high-tech corporations

360 cameras/video

Images or videos taken with a camera which captures every single angle from a single point.

Drone/ Drone Camera

A camera fixed to a flying robot which can be controlled by remote control. Enables pictures to be taken from the sky or hard to reach areas.

Haptics/ Haptic Feedback

Vibration in controllers which can be used to indicate weight or difficulty within virtual spaces.

Eye Tracking

The ability to track where your eyes are looking

HMD

Head mounded display – another term for a headset

Position tracking

The ability to track where you are in a physical space – e.g. moving around a room

Latency

The time a VR headset takes between receiving an input and updating its display. The closer to 0 this number is, the higher quality and the better the experience is for the viewer

Avatar

A visual representation of a person inside the virtual world

Cave

Cave stands for cave automatic virtual environment and is an area where virtual images are projected onto walls surrounding the person holding the controllers

Emotional presence

Experiencing an emotional response from a virtual experience e.g. fear, fun, joy etc

Experiencer

Another word for the user or player, the person involved with the virtual experience

Teleportation

Moving across the virtual space without physically moving in the real world.