Course Content
Introduction
About the course
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Course Outline
Resources Used
1.3 Audio Sequencing & Atmospheric Foundations
Module 1: The Architect’s Blueprint (Pre-Production)
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1.1 Narrative Design with LLMs
1.2 The AI Storyboard
1.3 Character Sheets & Seeds
Module 2: Sonic Foundations (Audio & Voice)
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2.1 Emotional Voice Synthesis
2.2 AI Soundscapes & Foley
Module 3: Cinematic Motion (Video Generation)
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3.1 Advanced Camera Prompting
3.2 Image-to-Video (I2V)
3.3 Inpainting & Extending
3.4 Motion Brushes & Precision
Module 4: Digital Humans
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4.1 Deepfake vs. Expression
4.2 Face-Swapping Workflows
4.3 Corporate Avatars & Lip-Sync
Module 5
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knowledge check
AI Video Creation

Module 4: Digital Humans

4.2 Face-Swapping Workflows

Choosing your path: High-speed cloud tools vs. high-precision local control.

Introduction: The Swap Architecture

By now, you understand that we don’t just “hope” the AI keeps our character consistent—we force it. However, different scenes require different tools. A wide shot where a character is running doesn’t need the same facial precision as a 10-second dramatic monologue.

This lesson breaks down the two primary workflows used by AI Directors today to manage identity across a full production. (Phase 4.2.1)

Feature Cloud (Akool / Magic Hour) Local (Reactor / FaceFusion)
Setup Time Instant (Browser-based) Complex (Requires GPU/Install)
Resolution Up to 4K / 8K Limited by VRAM
Best For Novices & Final Renders Power Users & Batch Processing
Cost Subscription / Credits Free (Open Source)

Workflow A: The Cloud Pro Path

This is the recommended path for this course. It is the most “plug-and-play” and provides the highest aesthetic quality for short films.

  1. Source Prep: Take your high-res Genesis Still from Lesson 3.2.
  2. The Target: Upload your AI-generated video (from Runway/Kling).
  3. The Anchor: Use Akool to map the face. Adjust the “Identity Scale” to ensure the chin and jawline match your hero character.
  4. Refinement: Use the “Face Enhancement” toggle to sharpen the eyes and skin texture during the swap.

Workflow B: The Multi-Character Swap

What if you have two characters in the same shot? Text-to-video often confuses their faces. (Phase 4.2.2)

The “Character Mapping” Secret
In professional workflows, you can perform Sequential Swaps.

Step 1: Run the video through the swapper using Character A’s source image. Select “Target Face 1.”

Step 2: Take that newly swapped video and run it through again using Character B’s source image. Select “Target Face 2.”

This prevents the AI from accidentally giving Character B’s face to Character A.

🔥🔥 AI Director Pro-Tip: The “Occlusion” Fix 🔥🔥🔥
“Occlusion” is when something passes in front of the face (like a hand, a tree branch, or a glass of water). Standard swappers will often “paste” the face over the object.

The Fix: If your character’s face is obscured, you must use Magic Hour’s “Occlusion Aware” setting or perform the swap in After Effects using a mask. If the swap “breaks” when a hand moves in front of the face, it’s better to cut the clip short or use Inpainting (Lesson 3.3) to fix the frames manually.

Lesson Assignment

You will now demonstrate character management. If your script only has one character, you will practice a “Precision Anchor.”

  • Select a video clip where your character **turns their head** or moves through **significant lighting changes.**
  • Perform a face swap using the Workflow A (Cloud Path).
  • Submit the video. I will specifically look at jawline and eye color consistency during the head turn.
  • In the comments, state which tool you used (Akool, Magic Hour, or other) and why you chose it for this specific shot.
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