Cardboard can generate natural-sounding voiceovers from a text script using AI. Type your script, pick a voice, and the generated audio is automatically placed on your timeline — no recording equipment needed.Documentation Index
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Generating a voiceover
Open the voice panel
Click the Voiceover button in the editor toolbar, or type your request directly in the AI Chat panel.
Write your script
Type or paste the text you want spoken. Scripts can be up to 5,000 characters long.
Choosing a voice
Cardboard includes 10 preset voices to choose from:- Female voices
- Male voices
| Voice | Accent | Best for |
|---|---|---|
| Monika (default) | American | Narration, explainers |
| Domi | British | Conversational, storytelling |
| Elli | American | Calm narration, meditation |
| Matilda | Australian | Friendly, casual content |
Voice settings
Fine-tune how the voice sounds with these controls:- Stability — Higher values produce more consistent, predictable delivery. Lower values add more expressiveness and variation.
- Similarity — How closely the output matches the original voice model. Higher values sound more like the preset.
- Style — Controls the stylistic intensity of the voice performance.
- Speed — Playback speed from 0.5x (half speed) to 2x (double speed).
- Speaker boost — Enhances clarity and presence of the voice.
Managing voiceovers
Once a voiceover is on the timeline, you can:- Trim it like any other clip by dragging the edges
- Move it to a different position on the timeline
- Adjust volume using the clip inspector
- Add fades for smooth audio transitions
- Regenerate with different settings if you want a different take
What’s next?
Auto-Generated Captions
Add captions from your voiceover automatically.
Music & Audio
Add background music and sound effects.