这是一款基于 WanVideo + InfiniteTalk / MultiTalk 的单图音频唱歌视频应用。
用户上传一张人物图和一段音频后，工作流会先统一图片尺寸，再结合大模型对画面内容和用户输入做提示词整理，随后用 WanVideoTextEncodeSingle 编码文本，用 MultiTalkWav2VecEmbeds 提取音频驱动特征，再交给 WanVideo 主模型生成会跟着音频开口、带轻微表情和动作变化的视频。整条流里同时能看到 WanVideoModelLoader、WanVideoTextEncodeSingle、MultiTalkWav2VecEmbeds、WanVideoApplyNAG、WanVideoVAELoader 等结构，说明它不是普通图生视频，而是偏 音频驱动数字人演唱/说唱 的工作流。
这条工作流适合：
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单图生成唱歌视频
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数字人演唱
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人像音频驱动视频
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AI翻唱演示
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短视频口播 / 清唱类内容
推荐使用方式：
上传一张正脸清晰、主体明确的人物图；上传一段清楚的人声音频；提示词尽量写“人物在什么场景下如何唱歌/说话”，不要写过度夸张的大动作。当前文件里还接了一条 llama_cpp_instruct_adv 链路，会先结合图片和提示词做整理，再送入最终生成流程，所以这条流本身就有“帮用户整理提示词”的能力。
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