The track matte specification has been changed since After Effects 2023.
Please see the following video for details of the changes.
→ https://youtu.be/ddgzA3mEjIU
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In this article, we will introduce a feature called "Track Matte.
Track Matte is a function that controls the display area by referencing the alpha or luminance of the layer above it.
It is a very popular feature and is used in various tutorials.
Let's take a look at the basics of Track Matte and some examples!
What you will learn in this video↓↓
・Features and basic operation of Track Matte
・About alpha matte and luminance key
・Difference from Masks and how to use them
・Creating a Lower Third using alpha matte
・Creating transitions using luminance keys
▶ Table of Contents
00:43 What is a Track Matte?
01:10 Alpha Matte/Alpha Inverted Matte
04:40 Luminance Key Mat/Luminance Key Inversion Mat
06:24 Differences from Masks
07:41 Animation not possible with masks
10:06 Trackmatte Example 1: Creating a Lower Third
14:34 Track Matte Example 2 Creating Transitions
17:12 Ending
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