Video is probably one of the biggest changes that lighting fixtures have made
after the revolution of automated lighting in the 80ies. The use of video - as a
central visual element in shows – has definitely grown during the last years.
The control of video is done by media servers which can be controlled via
lighting consoles. This convergence of lighting and video enables the designer
to take control of all the visual imagery on the stage – to arouse emotions by
the use of illumination and video.
To program video it is inevitable to learn more about video than just how to
operate a media server. While conventional lighting fixtures are connected and
controlled via DMX, the data distribution for controlling video requires a new
physical structure: Ethernet - with all its different protocols. Different
output devices like Plasma Screens, projectors or LEDs finally bring the
videoshow onto stage via analogue or digital video signals. Furthermore there is
a lot to know about the video data itself – the content. For achieving optimum
performance the hardware, software and as well the content has to be well
adjusted.
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