Hunyuan Video Foley

Add realistic sound effects to videos that match the on-screen action.

"A person walks on frozen ice"

Input Video

@Video1

Generated Video

Generated

Create AI audio in seconds

3,200+ audio files generated this month

📄 About Hunyuan Video Foley
Key Features
AI-powered generation of realistic, synchronized sound effects based on video content and detailed text prompts.
Customizable output using both positive and negative prompts, enabling creative control over the generated audio.
Adjustable guidance scale and inference steps to fine-tune sound fidelity, detail, and generation speed.
Supports a wide array of video formats via upload or URL input, making it highly versatile for different workflows.
Delivers high-quality audio results in approximately 30-60 seconds per video, streamlining production timelines.
Enables reproducible results with an optional random seed parameter for consistent outputs.
Flexible sound design for any genre or project, from nature documentaries to animated shorts.
💡 Use Cases
Adding Foley sound effects to silent or ambient videos for social media posts.
Enhancing short films, documentaries, or animations with lifelike, synchronized audio.
Reconstructing missing or degraded audio in archival or historical video footage.
Rapidly prototyping sound design for commercials, trailers, and marketing videos.
Creating immersive educational or training content with accurate environmental sounds.
Improving accessibility by generating descriptive audio tracks for visually impaired viewers.
Streamlining post-production audio work for independent filmmakers and small studios.
🎯 Best For
🎯 Content creators, filmmakers, video editors, and marketers seeking fast, high-quality AI-generated sound effects for their videos.
👍 Pros
Delivers highly realistic and contextually accurate audio effects that synchronize perfectly with video scenes.
Simple workflow with intuitive video upload and prompt-based control, suitable for users of all skill levels.
Cost-effective alternative to traditional Foley and manual sound editing.
Customizable outputs through detailed positive and negative text prompts.
Advanced parameters allow for reproducibility and fine-tuning of audio results.
⚠️ Considerations
Clear and detailed prompts are required for best results; vague descriptions may reduce audio quality.
Audio realism can vary depending on the complexity of the video scene.
Uses a pay-as-you-go credit system, which may require planning for large or frequent projects.
Focused on sound effects only and does not generate complex musical scores.
📚 How to Use Hunyuan Video Foley
1
Prepare your video file or obtain a URL for the video you wish to enhance.
2
Upload the video or paste the video URL into the designated input field.
3
Enter a detailed text prompt that describes the sound effects you want to generate for the video.
4
Optionally, add a negative prompt to exclude unwanted audio characteristics (e.g., 'noisy, harsh').
5
Adjust the guidance scale and other advanced parameters as needed to achieve your desired audio fidelity.
6
Submit your request and download the video with the newly generated, synchronized audio track.
💡 Pro Tips for Hunyuan Video Foley
Write Precise Action Descriptions The more specific your text prompt, the better the audio match. Instead of "person walking," try "heavy boots crunching on gravel" or "bare feet padding on wooden floor." Hunyuan Video Foley interprets detailed language more accurately, producing sound effects that align closely with the visual action. If you need background music instead of effects, consider MiniMax Music 2.6 Generator for full soundtracks.
Use Negative Prompts to Avoid Artifacts Negative prompts are powerful for eliminating unwanted audio qualities. Common exclusions like "noisy, harsh, distorted, muffled" help the model avoid generating low-fidelity or jarring sounds. If your video has dialogue or existing music, add "background noise, static" to the negative prompt so the generated Foley sits cleanly in the mix without competing frequencies.
Match Guidance Scale to Scene Complexity For simple, single-action scenes like a door closing or glass breaking, a guidance scale of 3.5 to 4.5 works well. For complex scenes with multiple simultaneous actions—like a busy street or kitchen prep—raise the guidance scale to 5.5 or 6 to ensure the model captures layered sound details. Lower values produce softer, more ambient results; higher values yield sharper, more defined effects.
Stabilize Footage for Better Sync Shaky or handheld video can confuse the model's visual analysis, leading to mistimed or generic audio. Use stable, well-lit footage with clear action whenever possible. If you're working with archival or low-quality video, consider pre-processing with stabilization tools before uploading. For voiceover or dialogue generation, try Kling Video Create Voice instead.
Test Different Seeds for Variation If the first audio result doesn't quite fit, change the seed value and regenerate. Each seed produces a unique interpretation of your prompt, so you can quickly audition multiple takes without rewriting your description. This is especially useful for subjective sound design decisions, like choosing between a crisp or muted footstep tone. Save the seed of your favorite result for reproducibility.
Layer with Music Models for Full Soundscapes Hunyuan Video Foley excels at discrete sound effects but doesn't generate music or ambient scores. For complete audio production, generate Foley first, then add a music bed using Google Lyria 3 Pro Music Generator or ElevenLabs Music Generator. This layered workflow gives you professional-grade audio with full creative control over both effects and soundtrack.
Frequently Asked Questions
Hunyuan Video Foley analyzes your video content along with your descriptive text prompts to generate realistic, synchronized audio effects using advanced AI. The result is context-aware sound that matches the visual narrative of your video.
The model supports a wide range of video formats and accepts both file uploads and video URLs. It is suitable for any video where adding sound effects or ambient audio is desired, from short clips to full-length projects.
Yes, you can fully customize the audio output by providing detailed text prompts and specifying negative prompts to exclude unwanted characteristics. Additionally, guidance scale and inference step options offer precise control over the audio quality and style.
Audio generation typically takes about 30 to 60 seconds per video, depending on the video's length and complexity. This rapid turnaround makes it ideal for time-sensitive projects and quick iterations.
Pricing varies by model and is based on a pay-as-you-go credit system, allowing you to pay only for what you use. This makes it flexible and cost-efficient for both small and large projects.
Hunyuan Video Foley specializes in discrete, synchronized sound effects—footsteps, impacts, ambient noise—making it ideal for Foley work and post-production. Kling Video-to-Audio offers similar video-to-audio capabilities with different tonal characteristics, while MMAudio V2 focuses on broader audio generation including ambient soundscapes. ThinkSound is another alternative with distinct processing. If you need music rather than effects, MiniMax Music 2.6 Generator or Google Lyria 3 Pro Music Generator are better choices. Hunyuan Video Foley's strength is its prompt-driven control and fast turnaround for realistic, action-synced effects.
Yes, all audio generated with Hunyuan Video Foley on JAI Portal using paid credits comes with full commercial-use rights. You can use the output in YouTube videos, client deliverables, advertisements, films, podcasts, or any monetized content without additional licensing fees. This makes it a cost-effective alternative to purchasing stock sound effects or hiring Foley artists. Free trial credits may have usage restrictions, so always use paid credits for commercial projects. The pay-as-you-go model ensures you only pay for what you create, with no recurring subscription or royalty obligations.
Hunyuan Video Foley accepts a wide range of video formats and resolutions, from mobile clips to HD and 4K footage. Generation time is approximately 30 to 60 seconds regardless of resolution, though longer videos may require slightly more processing. The model analyzes visual content frame-by-frame, so clear, well-lit footage produces the best results. There's no strict length limit, but shorter clips (under 60 seconds) are ideal for rapid iteration. For batch processing of multiple videos, consider using JAI Portal's API or queuing several jobs sequentially through the web interface.
If the generated audio feels off-sync or generic, first refine your text prompt with more specific action descriptions—mention materials, intensity, and rhythm. Next, check your negative prompt to exclude unwanted characteristics like "muffled, distorted, or harsh." Adjust the guidance scale: lower values (3-4) for subtle ambient sounds, higher values (5-7) for sharp, defined effects. Ensure your video has clear, stable action with good lighting; shaky or dark footage can confuse the model. Finally, try a different seed value to generate alternative interpretations. If results remain inconsistent, compare with Kling Video-to-Audio or MMAudio V2 for different processing approaches.
Hunyuan Video Foley analyzes visual content rather than spoken language, so it works with videos from any country or culture. Your text prompt should be in English for best results, but the video itself can feature any language, location, or cultural context. The model generates sound effects based on visible action—footsteps, impacts, environmental noise—not dialogue or speech. If you need voiceover or dialogue generation in multiple languages, explore Kling Video Create Voice. For music with cultural or regional styles, MiniMax Music 2.6 Generator and Google Lyria 3 Pro Music Generator offer diverse genre options.
⚖️ How Hunyuan Video Foley Compares
Hunyuan Video Foley stands out on JAI Portal as a prompt-driven Foley specialist, excelling at generating discrete, action-synced sound effects for video. Compared to Kling Video-to-Audio, which also converts video to audio, Hunyuan Video Foley offers more granular control through detailed text and negative prompts, making it ideal for precise sound design work. MMAudio V2 provides another video-to-audio option with different tonal processing, while ThinkSound offers yet another approach to audio generation. If your project requires background music or full soundtracks rather than effects, MiniMax Music 2.6 Generator, Google Lyria 3 Pro Music Generator, or ElevenLabs Music Generator are better suited. Choose Hunyuan Video Foley when you need fast, realistic Foley effects with creative control over every sound detail—perfect for filmmakers, video editors, and content creators who want professional-grade audio without hiring a Foley artist. The 30-60 second generation time and pay-as-you-go pricing make it accessible for both quick social media edits and full post-production workflows. Try it alongside other models using JAI Portal's side-by-side comparison view, or sign up at jaiportal.com to test multiple audio approaches with your first free credits.

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