Tracking Hub Administrator Guide

Version 1.6 | Published December 15, 2022 ©

Words and Terminology

Some commonly used words and terminology are described in this section:



Virtual Studio

The real-time combination of people or other real objects and computer generated environments and objects in a seamless manner.

Viz Virtual Studio

A solution to create and manage virtual studios. Consists of the applications Tracking Hub and Studio Manager and is used in combination with Viz Engine and control applications such as Viz Trio, Viz Mosart or Viz Opus.

Tracking Hub

A control process (service) to receive, control and forward sensor input such as camera movements. A console program.

Studio Manager

A GUI program to setup and control Tracking Hub and the Virtual Studio environment.


Refers to the physical objects such as camera rigs, pedestals and more.


In a virtual studio environment, lattice is often used synonymous with RIG.


Comes from the word Cyclorama. It was formerly used in theaters to encircle or partially enclose the stage from a background. In a Virtual Studio, the Cyc defines the green (or blue) area, where virtual objects can appear behind real objects.


The CoCyc is the mask (geometry), which is used to hide real objects from the camera. The CoCyc is indirectly defined by the Cyc. Also known as the trash matte.


Heads Up Display.

Chroma Keyer

Chroma key compositing, or chroma keying, is a special effects / post-production technique for compositing (layering) two images or video streams together based on color hues (chroma range). The Viz Engine can generate key and fill and can, if required, also be used with an external Chroma Keyer.


Using a reference signal to synchronize a video signal. Typical Blackburst, Tri-Level or using the Viz Engine digital input signal as sync.