CIVITAI / Workflows

LongCat-Video-Avatar digital human image-to-video long video

This workflow generates a long-form talking avatar video by combining an input image with an audio track. It uses the LongCat-Avatar model to animate a static character, synchronizing lip movements and expressions to the provided audio. The system processes the video in sequential, overlapping chunks to ensure smooth, continuous animation over extended durations. To use it, you provide a reference image of the character and a source audio file, which is first processed to isolate vocals. The core of the workflow is an iterative loop where each generated segment informs the next, creating a seamless, long-form video. This makes it particularly effective for producing continuous talking-head-style content where maintaining character and motion consistency is key. 🎥 YouTube Video Tutorial Want to know what this workflow actually does and how to start fast? This video explains what the tool is, how to launch the workflow instantly, and shares my core design logic — no local setup, no complicated environment. Everything starts directly on RunningHub, so you can experience it in action first. 👉 YouTube Tutorial: https://youtu.be/nga34VtsZuA Before you begin, I recommend watching the video thoroughly — getting the full context helps you understand the tool faster and avoid common detours. ⚙️ RunningHub Workflow Try the workflow online right now — no installation required. 👉 Workflow: https://www.runninghub.ai/post/2003091574424764418/?inviteCode=rh-v1111 If the results meet your expectations, you can later deploy it locally for customization. 🎁 Fan Benefits: Register to get 1000 points + daily login 100 points — enjoy 4090 performance and 48 GB super power! 📺 Bilibili Updates (Mainland China & Asia-Pacific) If you’re in the Asia-Pacific region, you can watch the video below to see the workflow demonstration and creative breakdown. 📺 Bilibili Video: https://www.bilibili.com/video/BV1H5BsBeEgx/ ☕ Support Me on Ko-fi If you find my content helpful and want to support future creations, you can buy me a coffee ☕. Every bit of support helps me keep creating — just like a spark that can ignite a blazing flame. 👉 Ko-fi: https://ko-fi.com/aiksk 💼 Business Contact For collaboration or inquiries, please contact aiksk95 on WeChat. 🎥 YouTube 视频教程 想了解这个工作流到底是怎样的工具，以及如何快速启动？视频主要介绍工具定位、快速启动方法和我的构筑思路。我们会直接在 RunningHub 上进行演示，让你第一时间看到实际效果。 👉 YouTube 教程: https:/