zsxkib/mmaudio
Add sound to video using the MMAudio V2 model. An advanced AI model that synthesizes high-quality audio from video content, enabling seamless video-to-audio transformation.
Model Inputs
Text prompt for generated audio
video file for video-to-audio generation
Random seed. Leave blank to randomize the seed
Negative prompt to avoid certain sounds
Duration of output in seconds
Number of inference steps
Guidance strength (CFG)
Result
Pricing
zsxkib/
mmaudio
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Check out our docs for more information about how per-request pricing works on Synexa.
| Provider | Price ($) | Saving (%) |
|---|---|---|
| Synexa | $0.01 | - |
| replicate | $0.015 | 33.3% |
Readme
MMAudio - Video-to-Audio Synthesis
MMAudio V2 is an advanced AI model that synthesizes high-quality audio from video content, enabling seamless video-to-audio transformation. It analyzes visual elements, actions, and environments to generate contextually appropriate sound.
Key Features
- High-Quality Audio Synthesis: Generates rich, realistic audio that matches visual content
- Context-Aware Sound Generation: Understands visual context to produce appropriate sounds
- Precise Temporal Synchronization: Audio accurately aligns with video events and actions
- Environmental Audio Synthesis: Creates ambient sounds matching the video environment
- Action-Sound Mapping: Maps visual actions to corresponding sound effects
- Text-Guided Generation: Use text prompts to guide the audio generation
- Negative Prompting: Specify sounds to avoid (e.g., "music" to prevent background music)
Input Parameters
- video (required): Input video file for audio generation
- prompt: Text description to guide the audio output (e.g., "galloping", "ocean waves")
- negative_prompt: Sounds to avoid in the output (default: "music")
- duration: Output duration in seconds (default: 8)
- num_steps: Number of inference steps for quality control (default: 25)
- cfg_strength: Guidance strength - higher values follow the prompt more closely (default: 4.5)
- seed: Set for reproducible results, use -1 for random
Use Cases
- Film and Video Post-Production: Add sound effects and ambient audio to video content
- Silent Film Enhancement: Bring silent footage to life with generated audio
- Educational Content: Add appropriate audio to instructional videos
- Gaming and VR Sound Design: Generate environmental and action sounds
- Accessibility: Create audio descriptions and sound for visual content
- Content Creation: Quickly add professional-sounding audio to video projects
Limitations
- Processing time increases with video length
- Complex acoustic environments may produce variable results
- Output quality depends on input video clarity
- Performance may vary with rapid scene changes
- If the video is shorter than the requested duration, audio will be truncated to match the video length