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Green Screen and TV Production

The advent of satellite T. V saw the virtual explosion of TV channels, broadcasters, production houses and content producers. This is as cable tv and direct to home platforms have indeed pushed the frontiers of TV broadcasting beyond all conceivable limits and onto a worldwide scale. It’s no wonder that TV networks across the globe exploit the use of a Green screen.

One of the common techniques that are utilized in TV program production is that of using a Green screen in the background of the studio where a particular program is being shot. This is a component of the method of chroma key which deals especially with the removal of certain pictures in the background of the shot and superimposing this with some other image, which is better for the production. As an example, one can employ a screen that’s green in color behind a broadcaster who is reading out the weather reports. When viewers watch the program, the green or blue screen as the case might be is replaced with a weather map or scenes of certain cities or satellite images being shown instead.

A Green screen is particularly handy for chroma key uses, on account of the incontrovertible fact that the normal human skin tone has very little elements of green in it. This assists in high standard of image superimposition as well as the replacing of background, without interfering much with the general view of the broadcaster who is standing in the foreground. If there had been any green hint or tone in human skin, parts of the body would became invisible when using the other coloured screen, making the effect quite odd and intensely inappropriate and incongruous.

One of the main advantages of using a Green screen is that it is fairly easy to effect as well as being cost effective. If one were to employ a huge plasma or HDTV screen behind the broadcaster, the effect may be fabulous, but the cost would be far bigger than using a green screen. In nowadays of economic downturn, where cost management is the key, the dice is loaded in favor of using cheaper options.

One can simply make a Green screen that can be used in TV program production. For this, something as easy as a table material can be employed. This fabric has to be frequently painted, so that there are no smudges or uneven areas that would stand out when the show goes on air. One can also use a plain wall that’s uniformly painted in green to form the coloured background. One of the tips to remember when using such a screen is if the background image is one of trees or forests, green is a better color to use than blue for the background, while if the image is of the sea or the sky, green wouldn’t be so apt. Using a green screen is thus a good way of making use of chroma key technique in TV programme production, which is favored due to its simplicity and inexpensiveness.

Dansk M58 uniform / Danish m58 uniform (1961 olive-green version)