Datavideo DVK-400, Инструкция по эксплуатации

Страница: 56 / 60

56
6 In the diagram below, white smokes in the chromakeyed foreground show black edges
on the rims.
To solve this issue, set the background brightness to a value lower than than the
foreground brightness, yielding a more natural look of the smoke as shown below.
Background brightness set to 99% of
the maximum brightness.
Foreground brightness set to 70-83%
of the maximum brightness, thus
looking greyish to human eyes.
Background brightness set to 38-60%
of the maximum brightness.
Foreground brightness set to 70-83%
of the maximum brightness, thus
looking natural to human eyes.