Viz Arena 4.2.1

Vizrt are pleased to announce the release of Viz Arena 4.2.1. We strongly recommend to upgrade to this latest version as soon as possible.

Viz Arena 4.2.1 is a maintenance release with bug fixes and added support to simultaneously control multiple Viz Engines. Please refer to the What's New in Viz Arena 4.2.0 document and the Viz Arena User and Administrator Guides for additional information on the added features.

New Features

Camera Calibration

  • Added option to reset all stored camera data in case a previous frame has been wrongly hand-calibrated or when working with multilateral video streams.

Viz Engine Integration

  • Added support to send control and calibration data simultaneously to multiple Viz Engines (depending on license options).
  • Adapted configuration dialog to set up multiple Viz Engines.

New/Improved Annotations

  • Added Free Kick Line effect for Rugby.
  • Added possibility to hide game standings for Score Flat 3D and Score 3D effects using a checkbox on the game standings fields.

Changes Compared to Previous Versions of Viz Arena

The following changes must be considered when updating from a previous version of Viz Arena:

Calibration Delay Offsets

When using Viz Engine configuration files, as provided by Vizrt, the default values for calibration delay offset, when SDI video is looped through the Viz Arena box, have changed:

Video Format

SDI Signal Directly to Viz Engine

SDI Signal Looped Through Viz Arena Box













Video Delay Texture Size for Progressive Video Formats

For progressive video resolutions (720p), the recommended 'Video Delay Texture Size' on the Viz Engine has changed (see configuration file: Engine3.7_720p59').

The Viz Engine configuration entry has changed to: Matrox0.VideoIn1.VideoDelayTexture = 9

Improvements from Previous Version of Viz Arena

Improvements and Fixed Issues in the Control Application

  • Overlay rendering could suddenly disappear.
  • Update Database could consume too much CPU resources.
  • Only three effect templates were configurable in the settings dialog.
  • Application settings could get reset under some circumstances.
  • Overlay rendering for College Basketball contained the wrong circles.

Improvements and Fixed Issues Related to the Viz Engine Integration

  • Improved video/tracking synchronization stability, especially for progressive video resolutions.
  • Improved frame number color coding in the delay configuration setup.
  • Improved Viz Engine error feedback.

Viz Engine Compatibility

Viz Arena 4.2.1 has been tested and is compatible, in most functionality, to Viz Engine 3.7.0 (official release). Integration with a Viz Engine needs to be set up and configured as detailed in the Viz Engine Administrator Guide.

Default Viz Engine configurations are provided with the Viz Arena installation files.


  • For progressive video resolutions, or to use the Dirty Feed Stencil Mask feature, at least a pre-release of Viz Engine 3.7.1 is required, which can be obtained together with Viz Arena 4.2.1 (VizArtist. The official release of Viz Engine 3.7.1 (expected early 2015) is expected to support all features of Viz Arena 4.2.1.


Installation Notes for Windows7/x64

To install Viz Arena 4.2.1 on Win7/x64 systems the following items are required:

  • The Viz Arena 4.2.1 installation file (VizArena-

  • The Viz Libero Application Data update file (VizLibero.ApplicationData.20141121.msi)

  • The Bluefish Driver (

To access the installation files, please contact your Vizrt Sports sales representative. You will be provided with credentials to access the download area.

For full details on the installation procedure, driver requirements, and project compatibility, see the Viz Arena 4.2.1 Release Notes .

For a product overview, see What's New in Viz Arena 4.2.0 .