Make Background's Matte Perfect Black - Datavideo DVK-300HD Quick Start Manual

Hd chroma keyer
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Make background's matte perfect black

The first step is to select if you are using green or blue background by clicking on larger Background Color
rectangle.
Next goal it to get perfect black background's matte in matte view.
To toggle matte view user need to click Matte View checkbox over the output preview.
Example of matte view with neutral values
To do this the best way is to use Black Level, and in harder cases, (i.e. when edge of the anchor is getting too
sharp) Tolerance. In most cases to achieve proper matte (black) for the background the first of two sliders
mentioned above is enough.
Matte view after changing neutral values to get black background's matte.
(Black level-180)
Although on the shown example the Black level was enough it is not the rule that it has to be like that. There are
plenty of conditions like the quality of paint, lights settings, camera, anchors clothes, etc. which affects on keying and
so on its parameters.
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