Getting Started
Welcome
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Using the exercise files
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1. What Are Alpha Channels?
Alpha channels: How color and transparency work in video
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Two types of alpha channels: Straight and premultiplied
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Keying and matting, what's the difference?
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Creating and modifying alpha channels
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Using garbage mattes
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Codecs that support the alpha channel
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2. Using Ultra Key to Key Green and Blue Screen Footage
Isolating footage with masks
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An overview of the automatic settings
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Matte generation and keying footage
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Removing color casts with spill suppression
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Improving the image with color correction
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Tips for better keying
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3. Using the Track Matte Key to Affect a Moving Piece of Video
What's the difference between track mattes and masks?
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Creating a matte to fit your footage
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Adjusting the motion of the matte
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Tips for better matte keys
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4. Exploring Other Keying Effects
Using any color to create a composite with Color Key
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Creating a composite with the Difference Matte key
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Using Luma Key to create a composite based on brightness
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Understanding the Non-Red Key effect
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Using the Alpha Adjust effect
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5. Adjusting Blending Modes to Change the Character of Your Footage
What are blending modes and how to use them effectively
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Understanding the Normal category
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Darken your footage using the Subtractive category
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Lighten your footage using the Additive category
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How to use the Complex category
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Create colors using the Difference category
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Transfer luma or chroma using the HSL category
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6. Using Masks to Affect a Portion of Your Footage
Understanding effects that use masks
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Creating masks using Bezier curves
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Understanding mask feather, opacity, and expansion
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When your mask needs to move: Tracking
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Tips for better tracking
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Ex_Files_ppg_compmasks.zip
(282.5 MB)