Skip to content
Latest Effects
EN
Start creating
Video / Add SFXs to videos
  • MMAudio
  • Standard
  • Tools

MMAudio V2

Create synchronized sound design from a video and a written audio direction.

Compare MMAudio V2 settings and cost estimates. Prompt-directed effects and ambience for existing footage, with guidance, inference-step, and negative-prompt controls.

  • Add SFXs to videos
  • With audio

MMAudio V2 pricing example

$0.0112 Estimated per run

Estimate checked . This example uses the configuration shown above. Inputs and settings can change the price; check the estimate for your own run before generating. Project storage is billed separately.

How AI usage and project pricing work →

Curated output references.

Current API configuration

What goes in. What comes back.

The model defines every slot it reads and every result it returns. Required inputs must be present before a run can begin.

Inputs

Prompts and source material

Prompt

Text · Required

Negative prompt

Text · Optional

Video sources

Video · Required · Up to 20

Outputs

Files and structured results

Videos with SFXs

Video · Multiple results

Available controls

Configure the run.

Control Available values Requirement
Inference steps 4–50 · Step 1 Optional
Guidance scale 0–20 · Step 0.1 Optional
Mask away CLIP On, Off Optional
Seed 0–65,535 · Step 1 Optional

Works especially well for

  • Prompt-directed effects and ambience for existing footage, with guidance, inference-step, and negative-prompt controls.

Know the trade-offs

  • A video and prompt are required in this workflow. Strong prompt guidance can compete with the visual action; additional steps do not guarantee exact synchronization.

Compare similar models

Compare models for the same capability. Check their inputs, output settings, and estimate using the same brief.

Configure the model.
Keep the result in the cut.

The generation returns to the scene, asset folder and timeline it belongs to.

Start creating