Comment créer un effet d'écran de télévision des années 80 dans After Effects

Introduction

Creating a realistic 80s-style TV screen effect requires accurate screen tracking and proper compositing. In this tutorial, you will use Mocha AE to track the TV screen and insert custom footage that follows the screen’s movement naturally.

Step 1: Import the TV Footage

Go to File > Import > File and import the video with the TV screen. Drag the footage onto the timeline.

Step 2: Apply Mocha AE

From the Effects & Presets panel, apply Mocha AE to the TV footage layer.

Step 3: Open Mocha AE

In the Effect Controls panel, click the Mocha button to launch Mocha AE.

Step 4: Track the TV Screen

In the Mocha AE window:

Select the Create X-Spline Layer Tool
Draw a shape around the TV screen
Press the Track Forward (Play) button
Once the tracking reaches the end, press Track Backward (Play)
This ensures a clean and stable track.

Step 5: Save and Exit Mocha AE

Save the Mocha project, export the tracking data, and close Mocha AE. 

Step 6: Create a Null Object

In After Effects, go to Layer > New > Null Object.

Step 7: Export Tracking Data

In the Effect Controls panel:
Click Create Track Data
Set Export Option to Transform
Set Layer Export To as Null Object
Click Apply Export

Step 8: Import the Screen Footage

Drag the video you want to display inside the TV onto the timeline.Step 9: Pre-compose the Screen Footage

Select the inserted footage, right-click, and choose Pre-compose. Name it Screen.

Step 10: Create a Matte Layer

Go to Layer > New > Solid, choose Black, and name it Matte. Step 11: Hide Layers and Parent to Null

Turn off visibility (eye icon) for both Matte and Screen layers. Parent the Matte layer to the Null Object.Step 12: Create the Screen Mask

Select the Matte layer. Using the Pen Tool (G), draw a mask matching the TV screen shape.

Step 13: Refine the Matte

Make the Matte layer visible. Set Mask Feather to 3 for softer edges.Step 14: Apply Track Matte

Set the Screen layer’s Track Matte to reference the Matte layer using the Pick Whip. Step 15: Adjust Screen Position

Make the Screen layer visible. Adjust its Position and Scale so it fits naturally inside the TV.Step 16: Parent Screen to Null

Parent the Screen layer to the Null Object to inherit the tracking motion.

Step 17: Preview the Result

Preview the animation and fine-tune scaling, feathering, or positioning if necessary.

Conclusion

By combining Mocha AE tracking, null objects, and track mattes, you can seamlessly insert footage into a moving TV screen. This technique is perfect for creating authentic retro 80s TV effects, music videos, and cinematic motion graphics in After Effects.