Apply Speed Map

Apply a beat-reactive speed map with variable speed segments.

How It Works

Each segment has start_ms, end_ms, speed multiplier. For beat drops, use higher speed; for buildup, slower. Requires overlay_id.

Specifications

Category
Audio
Execution
instant
Credit Cost
Free
Overlay Types
video
Tags
beats, speed

Example Prompts

“make it speed up on the beats”
“add beat-sync speed ramp”
“speed up the boring parts”

Required Parameters

overlay_id (number)
ID of the video overlay to apply speed map to
segments (array)
Array of speed segments

Optional Parameters

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 Apply Speed Map

1.Open any project in the 6trim editor or create a new one.
2.Type a prompt in the AI assistant — for example: "make it speed up on the beats".
3.The Apply Speed Map result appears as a video overlay on your timeline. Drag to reposition or resize.

Frequently Asked Questions

Try Apply Speed Map Free

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

Use Apply Speed Map

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.