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Please note that this is a BETA version of the document. All information presented is correct but we are working on improving the details.

Back to Virtual Camera Compounds


We will discuss two different kinds of input:

  1. An internal input from inside Aximmetry. We will call it a Test input. 
  2. External input is usually live input coming from a studio camera but can be others as well.

For all Virtual Camera compounds, you will find the INPUT panel on the Billboards control board, after importing the compound.

In the below example, we imported the following compound:

BILLBOARDS Control Board Content

After navigating to the BILLBOARDS control board, you will see a bunch of panels.

Each row of panels corresponds to an Input. This is why all rows start with an INPUT # panel.

In this article, we will discuss the INPUT # panel.

If you are looking for other panel settings on the BILLBOARDS control board, these articles will be helpful:

Or just simply follow the Virtual Camera Workflow category.

INPUT # Panel

You can turn each input On or Off with the power button icon on the panel. This will save your PC's resources, for example, if you have 4 inputs, but for the current production you only need two, you can turn off the other two.

Test Input

Test input means that instead of live input from a studio camera (or any external source), you can use a video (or image, image sequence, solid color, etc.) inside Aximmetry. This can be helpful for different reasons. For example, there is no need for the presence of your talent(s) for setting up the virtual scene, lights, etc. You can simply loop a pre-recorded video.

In order, to use a test input, enable it.

Navigate to the FLOW editor in the Menu bar.

Import the video you would like to use as a test input, by drag-and-dropping it into the Flow editor.
NOTE: Aximmetry will automatically open the video in a Video Player module.

Example: [Common]:Videos\Green\Green_Nils_Demonstrate.mp4

Connect the Out pin of the Video player module to the Virtual Camera compound's Test Input # pin. (In our case it is Test Input 1).

This will start playing the imported video on the Billboard.

Of course, the same steps should be done with the test video as if it were a live input, for example, cropping, keying, etc.

Live (External) Input

External input can mean any kind of input that is not a test input, for example, SDI, SMPTE2110, NDI, etc.

On the BILLBOARDS control board, if the INPUT # panel is selected, you can see the input option on the right in the Pin Values tab.

Input Device

By default, Mapped #1 is the default input, but this will only work if you have mapped any input to #1 id.

More on mapping devices here.
More on supported inputs here.


Select AUTO for Aximmetry to automatically learn the input resolution and frame rate. You can specifically set an arbitrary resolution and frame rate if you need to.

Timecode Master

Turn this ON if you would like to set Aximmetry's timecode master to this input.

In Color Space

Aximmetry will automatically detect the color space, but If there is a specific color space you would like to use, you can select it here.

In Gamma Curve

Same as Color Space, but for Gamma Curve.

Vignette options

More on capturing and using vignettes here.

No Input Image

The default no-input image is this:

You can browse your PC for a different image with this option.


You can add a delay to the input. Value is in frames.


When using a multi-machine setup, you can select if this input should be a local one or a remote one.

More on the Multi-Machine setup here.

Remote Name

If you would like to send this input as a remote, you can define its name here, so it is easier to find in the multi-machine configuration.

Continue to Cropping

Once you finished setting up the inputs, you can move on to the cropping:


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