A green screen is a green background that can be used to replace the background behind an object or person with a virtual produced background. Green screens are often used in film recordings or studio productions. Depending on the color, you can talk about a green or blues screen, the important thing is that the background does not match the color of the objects or people. The background can be made of fabric or painted directly on the wall, as in larger studios.
Today it is very easy to Create a green screen setup yourself at home to take your webinars to the next level or make sure your business studio can be virtually customized to infinitely many environments. All you need for a simple green screen studio is:
By object we mean what is in the foreground. So the person or thing you want to appear in front of the virtual background.
One of the biggest mistakes you can make when working with a green screen is to light up the background and person with the same lamp. Be sure to work with two separate lights, and start by lighting the background with an even light that is not too bright.
A too cheap green screen kit can make the job of removing the background in your app or meeting tool much more difficult, as they often do not contain several lights that can illuminate both the background and the object at the same time. If you buy a ready-made kit, make sure that you have at least 2 lights and that the background can be completely smooth.
Do not wear green clothes, as you will blend into the background. The chroma key will make everything green disappear, so remember to have clothes, jewelry, etc. that do not reflect and preferably are a so-called complementary color to green - ie. red, orange or purple are optimal.
By leaving the background some distance away from the object, you eliminate the risk of hard shadows from the object against the background. If the object is right in front of the green screen, it will be almost impossible to get an even and nicely lit background. Have a few meters between the object and the background, and you can get a nice lamp that focuses entirely on illuminating the background in between.
For those who stream or film with a slightly larger system camera with the option to set the aperture - be sure to use a low aperture number (ie a large aperture), which causes the depth of field to be short and the object to pop from the background. The background is also more uniform in color and softer, which makes it even easier to key out the object from the background in your software then.
These are some tips for those of you who are interested in building a corporate studio or even a home studio to get really professional live streaming, webinars, or movie recording. It is relatively easy to get well today, without a lot of expensive equipment. But at the same time, it can be nice to get help managing a major broadcast or webinar via a professional studio. Especially the first time, so you get a feel for how they work, what equipment they use for their green screen studio and how they set up a broadcast. Contact us below to hear more about what studio options are available for you as a company, or start using Univid directly to broadcast your webinars live with the highest quality green screen!
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