Duck Audio

Automatically lower background audio/music volume when voice-over is present.

How It Works

Ducks audio under voice. duck_level 0.0-1.0 (0=full duck, 1=no duck).

Specifications

Category
Audio
Execution
instant
Credit Cost
Free
Overlay Types
video, sound, voiceover, sfx
Tags
mixing

Example Prompts

“duck the music under the voice”
“lower bg music when speaking”
“auto-duck audio”

Required Parameters

overlay_id (number)
undefined

Optional Parameters

duck_level (number)
Duck level (0.0=full duck, 1.0=no duck)
user_text (string)
undefined

Use Cases for Audio

Add background music that auto-ducks during speech segments
Layer sound effects for reaction videos and podcasts
Mix multiple audio tracks with per-channel volume control

How to Get Started with Duck Audio

1.Open any project in the 6trim editor or create a new one.
2.Type a prompt in the AI assistant — for example: "duck the music under the voice".
3.The Duck Audio result appears as a video overlay on your timeline. Drag to reposition or resize.

Frequently Asked Questions

Try Duck Audio Free

Type a prompt or use the toolbar. No download required.

Use Duck Audio

More Audio Tools

Lower Volume
Decrease the volume of a video or sound overlay by a percentage.
Increase Volume
Increase the volume of a video or sound overlay by a percentage.
Set Volume
Set the absolute volume level of a video or sound overlay.
Normalize Audio
Normalize audio levels across all video and sound overlays to a target volume.
Denoise Audio
Apply noise reduction to an audio-containing overlay.