Core Insights - Tencent has officially launched and open-sourced a new multimodal customized video generation tool called Hunyuan Custom, based on the Hunyuan Video model [1] Group 1: Product Features - Hunyuan Custom boasts strong multimodal fusion capabilities, processing text, images, audio, and video to create coherent and natural video content, significantly improving generation quality and control compared to traditional models [3] - The tool offers various video generation modes, including single subject video generation, multi-subject video generation, single subject video dubbing, and local video editing, with single subject generation already available for users [3] - Users can upload an image of a target person or object and provide a text description to generate videos with different actions, outfits, and scenes, addressing limitations in character consistency and scene transitions found in traditional models [3] Group 2: Application Scenarios - Hunyuan Custom has strong extensibility, allowing users to upload images and audio to create synchronized performances in various scenarios, such as digital human broadcasting, virtual customer service, and educational presentations [4] - The video-driven mode enables natural replacement or insertion of characters or objects from images into any video segment, facilitating creative embedding and scene expansion for video reconstruction and content enhancement [4]