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Virtual studios are useful in a wide range of projects.  By utilizing a virtual studio for your video production, you have the ability to place your  talent in any type of surrounding and to update your background with ease. Whether you are using your video for a tradeshow, podcast, product demonstration or news, a virtual set will allow you to create an easy and inexpensive video production.

Today, I will show you how to use a virtual studio with Adobe After Effects. The techniques we examine in this tutorial can also be applied to a number of other non-linear editors that allow you to remove green screen from video footage (many do allow this).  Everything about this tutorial should be the same in various other editors, the only difference is the sequence to apply the green/chroma key effect to remove green screen from your video footage.

STEP 1

First, open after effects and import your footage files.  You should have a video file that contains your talent shot on a green screen, the virtual set layer (this can be a still or animation), and a layer of video footage or animation to place in the virtual studio monitor (if your virtual studio has a spot for additional footage).

STEP 2

Now, create a composition (go to composition, new in the top menu) and drag the three files into your composition.  Make sure your files are in the following order from the top.  The first layer contains your talent footage shot on green screen.  The next layer is your virtual set layer.  The bottom layer will be the video you would like displayed in the virtual studio.

STEP 3

Select the top layer with your talent shot on a chroma background .  Next, click effect in the toolbar, scroll down to keying, and select keylight.  If you do not have keylight, you can select color key or color range to remove the green screen from your shot.  Now, within the effect controls for keylight, select the eyedropper next to “screen color” and choose the green color behind your talent.  This should remove the green color in the backdrop of your video footage.  If needed, you can adjust the settings in keylight to remove any color spill or rough edges from your subject.

STEP 4

Next, lets remove the green from the news studio monitor (only needed if your studio has a monitor in it) .  Select your studio layer, and click effect, keying, keylight again to create another color key on the virtual studio layer.  Now, select the eyedropper next to “screen color” (in the keylight effect controls window) and choose the green color in the monitor on your virtual set layer.  This will knock out the green in the monitor allowing you to see the footage on the bottom layer.

Now, you can adjust the layer underneath the studio layer to scale it into place.  You can also edit the video on the last layer to change what appears on screen.

  The last step is to render your video to combine all the elements into a final vido.

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This entry was posted on Monday, May 2nd, 2011 at 4:37 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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