How to use a Green Screen for Webinar.



What is Chroma Keying?


Chroma keying is a visual-effects technique where the background of a scene is removed from the subject of a video. This allows for more freedom in the location you are filming or broadcast from. Part of the foreground footage is made transparent. This allows you to add stills or separately filmed footage to the background of the video or broadcast.


This visual-effects technique is widely used in video production but is also common in the gaming industry and during live television newscasts.


Just think of the weather forecast. Weathermen are usually placed in front of a green screen. The weather forecast footage is then placed on the green screen behind the weatherman.


Chroma keying is done by using a screen of one solid color that is placed behind the subject. It can be done with any color, as long as the color is consistent and distinct. The colors green or blue are most commonly used because these colors are considered to be the furthest away from skin tone colors.


Newscasts use a green screen because the suits worn by weathermen are often a blue color. If the color of the background is matching the color of the subject in the foreground the subject will also be made transparent. This will result in a weatherman without a body and just a floating head.


Chroma keying for a virtual background.

The rapid pace of technological development has made it chroma keying possible in many video streaming software. These so-called virtual backgrounds are often used with video conference call tools and of course with webinars.


Sadly, it is not possible to create a virtual background within our software. But that doesn’t mean that's a lost cause. It is easily done with external software or hardware. Here we have some examples you can use when creating a virtual background for Webinar.


Chromacam

With Chromacam you can create a virtual background without the use of a green screen. This allows you to host a webinar from any possible location. Only have a messy room available to you? No problem, just set up a virtual background and no one will ever know that your laundry is drying behind you. Hosting a webinar in an open-plan office? Use a virtual background to easily hide your colleagues without having to send them outside.


In short

Our green screen studio is ideal for creating a virtual background for your webinars. By making the background transparent with chroma-keying you can insert any background behind the subject of the video stream. This gives you more freedom in the choice of webinar location.


Because chroma key is not possible in our software, you can use external software or hardware to create a virtual background for Webinar, If you do not have a physical green screen you can hire our studio on hourly or daily basis for all the web meetings.

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