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12 Christmas Tech Tips #9: Set Up Your Own Green Screen Studio

12 Christmas Tech Tips #9: Set Up Your Own Green Screen Studio

Got a new smartphone or tablet for Christmas? Do you want to do something a bit different with the built-in camera? Like making your own special effects movie or photograph? Using Green Screen is easier than you might think.

Have you ever wondered how green screen works and how characters that live in a world of your imagination come to life? Wonder no more – Follow this easy beginners guide to going green.

What will you need?

You will need a smartphone or tablet, coloured fabric and a green screen app installed on your device, such as Green Screen by Do Ink.  

Beginners Guide

The basic green screen effect works by combining two images into one single image, using a technique called chromakeying. This means that you can superimpose a picture of yourself on to any picture you have taken or even one that you have downloaded from the internet.

Take a look at our Teaching With Tech Video to see how you can easily set up your own green screen studio at home:

More In-depth instructions from Do Ink

The basic green screen effect works by combining images from two sources into a single image, using the chroma key filter to create transparent regions in the foreground image and then compositing the result with the background image. Green Screen by Do Ink extends that basic effect in a couple of ways – first, by letting you combine up to three image sources at a time, and second, by letting you create lists of image sources (videos and photos from your camera roll) and then showing them sequentially.

1. The  Source Selector is where you’ll add your image sources – the video camera, or a prerecorded video or photo from your photo library.

2. The  Preview shows the combined image sources at the current time on the timeline. This is how your image will look in the completed video.

3. The  Timeline shows how your image sources are arranged. Use it to scroll through your video and select an image source so that you can change its settings.

4. The  Toolbars are where you’ll find the chroma, crop, and mask tools, the play and record buttons, and a few other controls and switches.


You can import videos and images from your photo library, or from cloud-based services such as Dropbox or Google Drive. Initially, the app assumes that you’ll want to import videos and images from your photo library. To import assets from another location, you may need to tap the “Location” button in the upper left corner of the import panel.


Add the camera to the timeline just as you would add a video or image.

Tap the + button on the desired layer and select the camera source. The camera is added to the selected layer at the current time on the timeline. When you add a camera source, any existing sources on the same layer that start at a later time are removed, so that the camera source can be active for an unlimited duration.

Now that the camera and images are added to the layers you are now ready to take pictures or film footage of your subject in front of your superimposed world.

If this blog has got you interested in learning more about using green screens why not try out one of our fantastic workshops

Loving these tips and hints on setting up your own green screen studio?

Want to learn more about using green screen? Have you considered booking one of our Green Screen Workshops?