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Chroma Key Kit: How to chroma key using After Effects
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PREPARATORY.Launch After Effects.
Step1. Import the green screen media.
1.1. From the menu, choose "File", "Import", "File".
1.2. Navigate to the media folder containing the image sequence.
1.3. Click any image.
1.4. Make sure png sequence is checked.
1.5. Click "Open".
Step2. Interpret the footage correctly.
2.1. Right click on the footage in the project window.
2.2. From the pop-up choose "Interpret footage", "Main".
2.3. In the footage interpretation window, choose a frame rate of 25.
2.4. For pixel aspect ratio choose the preset "DVCPRO HD 1080", which uses a pixel aspect ratio of 1:5
Step3. Launch a new composition.
3.1. Choose the preset HDTV 1080 24.
3.2. Change the frame rate to 25.
3.3. Use full resolution, start timecode 0, and a duration of 3 seconds.
3.4. Click Okay.
Step4. Drag the green screen footage to the composition, where it snaps to the centre.
Step5. Make a new layer as a temporary background.
5.1. From the menu choose "Layer", "New Solid".
5.2. Make it a color complementary to green, such as magenta.
5.3. Click "Make Comp Size".
5.4. Click Okay.
Step6. In the timeline, drag this layer down below the green screen footage layer, to send this behind.
Step7. Click and activate the green screen layer in the timeline.
Step8. From the Menu choose "Effect", "Keying", "Keylight 1.2".
8.1. Use the color picker to sample ...

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Chroma Key Kit

Backdropsource Chroma Key Kit

Chromakey is used in digital photography and video for the replacement of background images with other digital images.The chroma key blue and green are distinct in hue from the human skin tones so they are mostly preferred for special effects and for video. This technique is used in movies, television and weather broadcasts. Features: Made up of 100% cotton muslin. They are extremely durable and machine washable. It is hemmed on all four sides and it can be slid easily through the poles of the backdrop support system with the help of rod pocket. Use clamps at the edges of the muslin to avoid wrinkles. The standard sizes come in 10ftx15ft and 10ftx20ft. Please call us or email us to order sizes greater than 10ft wide and other custom sizes. For all orders of 10ft x 27ft and above please allow us 3-4 days for the product to be shipped from the date of the order.

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