Written by Keram Malicki-Sanchez. Except where otherwise noted. This is a work-in-progress.
- 6DoF – “6 Degrees of Freedom” – VR systems that use positional trackers to negotiate a user’s position on the x,y,z axis. Examples include the HTC Vive with its infrared “lighthouses” and the Oculus Rift that uses cameras to measure “depth.”
- HMD – head-mounted display – aka, VR goggles
- Roomscale VR – A system that allows a user to move about a virtual space by employing a physical tracking system. This permits for realistic parallax effects and literal or implied spatially advanced interoperability within the virtual system. (see 6DoF)
- Spherical Video – a rendered video file that plays back in a 360-degree format. The video is “projected” onto a three-dimensional virtual sphere, and then the playback device uses accelerometers and gyroscopes to track the position of the user’s gaze to create a sense of persistence and immersion.
- Tethered – VR systems that have a wired connection to a computer
- Untethered, wireless – self-contained VR display and playback systems
- Depthkit – DepthKit is a suite of tools that allows anyone to capture, edit, and publish volumetric experiences.
- Photogrammetry – Photogrammetry is the science of making measurements from photographs. The output of photogrammetry is typically a map, drawing, measurement, or a 3D model of some real-world object or scene. (source)
- Volumetric Capture – Volumetric displays create 3D imagery via the emission, scattering, or relaying of illumination from well-defined regions in (x,y,z) space. (source)
- API – Application Programming Interface
- IDE – Integrated Development Environment
- SDK – software development kit
Spatialized Audio Terms
- ITD – interaural time differences
- ITDG – initial time delay gap
- ILD – interaural level differences
- Motion Parallax – travel speed of sound indicates proximity
- HRTF – head related transfer function – it’s a filter process (only really practical with headphones)