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  3. Mmaudio

Add AI-Generated Sound to Video with MMAudio

MMAudio takes a silent or quiet video and synthesizes matching audio from scratch, saving you hours of hunting for sound effects or working with audio editors. Whether you are a content creator trying to make a clip feel real or a video editor who needs quick ambient sound, this model reads the visual content and generates audio that fits the scene. The model accepts a text prompt alongside your video, so you can steer the output toward specific sounds like rustling leaves, city traffic, or crowd murmur. A negative prompt lets you exclude unwanted sound types, such as music, keeping the result focused on the exact audio texture you need. You can adjust duration and inference steps to balance quality against generation speed. MMAudio slots into post-production without requiring audio software or technical expertise. Upload your clip, write a brief description of the soundscape you want, and download a video file with synchronized audio ready for editing or publishing. It is available free on Picasso IA, so your first generation can happen within minutes.

Zsxkib

4.54m runs

Mmaudio

2024-12-11

Commercial Use

Add AI-Generated Sound to Video with MMAudio

Table of contents

  • Overview
  • How It Works
  • Frequently Asked Questions
  • Credit Cost
  • Features
  • Use Cases
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Overview

MMAudio generates synchronized audio from video content using AI, solving one of the most time-consuming parts of video post-production: finding or creating sound that actually fits what is on screen. On Picasso IA, you upload a silent or low-audio clip, describe the sounds you want, and the model synthesizes audio that matches the visual context. A filmmaker adding ambient rain to an outdoor scene, a social media creator needing subtle footstep sounds for a cooking video, or an animator wanting soft machine hum for a tech demo can all use it without any audio software. The result is a downloadable video file with the generated audio already embedded and ready to use.

How It Works

  • Upload your video file to the model input panel.
  • Write a text prompt describing the sounds you want, such as "light rain on leaves" or "busy coffee shop ambience."
  • Optionally add a negative prompt to exclude sounds you do not want, like music or speech, to keep the output focused on what you need.
  • Adjust the duration to match your clip length and set the number of inference steps to control the balance between quality and speed.
  • Submit the job and download your video with the synthesized audio track already attached.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open MMAudio on Picasso IA, adjust the settings you want, and hit generate.

Is MMAudio free to try? Yes, you can run the model for free on Picasso IA without signing up. Credits may apply for longer or higher-quality generations.

How long does it take to get results? Most generations finish in under a minute for clips up to 8 seconds. Longer clips or higher inference step counts may take a bit more time.

What output format does MMAudio return? The model returns a video file with the generated audio already merged in, ready to download and drop into your editing timeline.

Can I customize the audio style or content? Yes. The text prompt lets you describe any sound environment in plain language, and the negative prompt lets you exclude specific sound types like music or voices. The CFG strength setting controls how closely the output follows your prompt.

What happens if the generated audio does not match the video well? Try refining your text prompt with more specific descriptors, increase the number of inference steps for better quality, or use a different random seed to get a fresh variation of the audio.

Credit Cost

Each generation consumes 10 credits

10 credits

or 50 credits for 5 generations

Features

Everything this model can do for you

Video-to-audio sync

Generates audio that matches the visual content and timing of your uploaded video.

Text prompt control

Steer the sound output using plain language to describe exactly what you want to hear.

Negative prompt filtering

Exclude unwanted sound types like music or voices by listing them in the negative prompt field.

Adjustable duration

Set output audio length from a few seconds up to match the full length of your clip.

Inference step control

Increase the number of steps for higher audio fidelity or reduce them for faster results.

No audio editing needed

Upload a video and receive a finished audio-synced file without any post-processing.

Seed-based reproducibility

Reuse a seed value to regenerate the same audio output for consistency across revisions.

High-quality, context-aware audio output

Use Cases

Add ambient outdoor sound to a travel clip by uploading the video and describing the environment, such as wind through trees or distant birdsong.

Generate city noise for a street photography montage by prompting for traffic and crowd sounds that match the visual mood.

Create nature soundscapes for wildlife footage by describing the specific environmental audio you want layered over the scene.

Add realistic sound effects to animated content or motion graphics by describing the action sounds that match the on-screen movement.

Produce synchronized ambient audio for product demo videos by describing the subtle sounds that fit the on-screen context.

Generate crowd ambience for event highlights where the original audio was too noisy or completely silent.

Create atmospheric sound for short films by using the negative prompt to exclude music and keep only environmental audio textures.

Experiment with AI-driven audio creativity

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