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6.1 – Adding Voices and Dialogue Overview Lesson

Bringing authentic voices and dialogue to your AI-generated movies can transform flat visuals into fully realized stories, whether for product explainers, character-driven shorts, or creative animations. This lesson outlines the main ways you can integrate voice, emotion, and expression, and explains why these skills matter in today’s AI filmmaking. Check out the video for a practical walkthrough of each method and see how to match the right voice solution to your project.

What you'll learn

  • Explore several practical approaches to adding dialogue and voiceovers to AI videos

  • Understand when a simple text-to-speech narration is enough

  • Record your own voice and apply voice-changing tools for more expressive or unique results

  • Add realistic lip syncing to make character mouths move in sync with spoken lines

  • Experiment with facial performance capture for true-to-life animated acting

  • Choose the right tool or workflow based on your movie’s tone and storytelling needs

Lesson Overview

This lesson focuses on integrating voices and dialogue into videos created with AI tools. Even if the main example in this course doesn’t include dialogue, understanding how to add character voices or narration is vital for many types of projects. Whether you’re producing a fictional short, explaining a product, or telling character-driven stories, the voice you choose—its emotion, style, and delivery—can have a big effect on how audiences respond.

The lesson introduces you to a few common tools and approaches. You’ll see how ElevenLabs can generate high-quality voices from text input for straightforward narration or character voices. The lesson also covers recording your own performance and transforming it with AI for more control and personality, as well as using tools to sync dialogue to character lip movements for greater realism. Runway’s Act One feature is also highlighted, showing how your facial expressions can be mapped onto an AI character for deeply expressive results.

If you’re experimenting with different genres, looking to personalize your stories, or want your videos to stand out, mastering dialogue and voice techniques opens up many creative options.

Who This Is For

If you’re looking to strengthen your videos with voices and dialogue, this lesson will be relevant for you, especially if you are:

  • Content creators aiming to add narration or unique character voices
  • Animators wanting to sync dialogue with visuals
  • Educators or marketers producing explainer content
  • DIY filmmakers creating story-driven or character-based AI videos
  • Anyone interested in combining their own performance with AI enhancements
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Where This Fits in a Workflow

Adding voices and dialogue is typically done after your visual scenes are complete, but before the final editing stages. It’s an essential step for any video aiming to tell a story, explain a concept, or connect emotionally through spoken word.

For example, after generating an AI animated sequence, you might use ElevenLabs to create a voiceover that guides viewers through your message. If your story is character-based, you can capture your own voice and apply an AI transformation for unique delivery, then add lip sync and facial animation so your on-screen characters feel alive. This step ensures your movies are not just seen, but also heard and felt.

Technical & Workflow Benefits

Manually recording voiceovers and syncing dialogue used to take substantial time and often required access to professional voice talent and recording equipment. With modern AI tools like ElevenLabs, Runway, and lip-syncing software, quality voice and dialogue are now within anyone’s reach.

Using text-to-speech for narration means instant, polished audio for explainer videos or storytelling—skipping the hassle of multiple takes. Voice changers let you repurpose your own performance with ease, providing both consistency and expressive control. Automated lip sync and facial mapping replace laborious manual animation, making character scenes believable and dynamic. This boost in flexibility and speed opens up new creative possibilities and streamlines production timelines.

Practice Exercise

Take a short scene or a few lines of dialogue from a previous AI-generated video project, or write a new set of narration for a topic you care about.

  1. Use a text-to-speech tool like ElevenLabs to create a natural-sounding voiceover from your script.
  2. Record yourself performing the same lines, then experiment with transforming your voice using a voice changer.
  3. Try syncing your chosen voice to an animated character using a lip sync tool, or, if available, use facial capture for added realism.

Afterwards, compare the results: How does your video feel with narration, character voice, and synced animation? Which combination fits the mood and purpose of your content best?

Course Context Recap

Adding voices and dialogue forms a central part of bringing your AI-generated movies to life, especially when you want to deliver a message or develop characters. This lesson builds on the storytelling foundations from earlier in the course and prepares you for upcoming sections that cover polishing and finalizing your video. Continue exploring the course to see how sound, editing, and presentation all work together to create compelling, finished AI films. Whether you’re making explainer videos or creative shorts, every new skill adds to the impact of your work.