HunyuanVideo-Foley - Tencent's Open Source Video Sound Generation Model

HunyuanVideo - What is Foley?

HunyuanVideo-Foley is an open source video sound generation model from Tencent's Hunyuan team that supports adding accurately matched sound effects to silent videos. The model is based on large-scale dataset training, multimodal diffusion converter architecture, combined with the characterization of the alignment loss function and audio VAE optimization technology, can generate high-quality, richly layered sound effects. The model is suitable for short video creation, movie production, advertisement creation, game development and other scenarios, which can significantly enhance the immersion and attraction of the content, making the creation more efficient and professional.

Features of HunyuanVideo-Foley

• Automatic generation of sound effects: HunyuanVideo-Foley can quickly generate sound effects that match the video screen based on the input video content and text description, adding vivid auditory elements to silent videos.
• Multi-scenario application: The model can provide professional sound support for a wide range of scenes to meet the needs of different scenarios.
• High quality sound output: The generated sound effects have high fidelity and can accurately restore various details, such as object collision sounds, environmental background sounds, etc., to enhance the overall texture of the video.
• Semantic Equalization Response: The model synthesizes video footage and textual descriptions to avoid over-reliance on a single piece of information at the expense of other important details, and to generate a more comprehensive and natural soundscape.

HunyuanVideo-Foley's Core Advantages

• Strong generalization capabilitiesHunyuanVideo-Foley can be adapted to a wide range of video types, generating accurately matched sound effects to cover a wide range of scenarios.
• Multimodal Semantic Equalization ResponseThe model balances video images and text descriptions to produce a richly layered composite soundscape that avoids "losing the picture in the text".
• Professional-grade audio fidelity: Based on technical optimization, the generated sound effects are of high quality and excellent detail, meeting the requirements of professional productions.
• Efficient data processing and modeling architecture: Improving training efficiency and generation with large-scale high-quality datasets and innovative architectures.
• open source and easy to use: As an open source framework, it provides complete resources to facilitate users to get started quickly and accelerate the application of multimodal AI in the creative field.

What is HunyuanVideo-Foley's official website?

• Project website:: https://szczesnys.github.io/hunyuanvideo-foley/
• GitHub repository:: https://github.com/Tencent-Hunyuan/HunyuanVideo-Foley
• HuggingFace Model Library:: https://huggingface.co/tencent/HunyuanVideo-Foley
• arXiv Technical Paper:: https://arxiv.org/pdf/2508.16930
• Online Experience Demo:: https://huggingface.co/spaces/tencent/HunyuanVideo-Foley

Who is HunyuanVideo-Foley for?

• Short video creators: Models can quickly add vivid sound effects to videos to enhance the appeal of the content.
• Movie Production Team: Used by movie production teams in post-production sound design to assist in generating ambient and special effect sounds and improve production efficiency.
• advertising copywriter: Generate matching sound effects for advertisement videos to enhance the infectiousness and attractiveness of advertisements.
• game developer: Game developers generate game scene sound effects in real time to enhance player immersion and realism.
• Online educators: Add vivid sound effects to educational videos to increase student interest and effectiveness.