[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"news-24e3b411-6f03-41fb-8aeb-6f1dd51d28e7":3},{"id":4,"title":5,"summary":6,"original_url":7,"source_id":8,"tags":9,"published_at":23,"created_at":24,"modified_at":25,"is_published":26,"publish_type":27,"image_url":13,"view_count":28},"24e3b411-6f03-41fb-8aeb-6f1dd51d28e7","通义万相 Wan-Dancer 开源:分层解耦把舞蹈视频推到分钟级","**通义万相 Wan-Dancer 开源:分层解耦把舞蹈视频推到分钟级**\n\n阿里通义实验室 Tongyi Lab 近日开源 Wan-Dancer,一款音乐驱动的人像舞蹈视频生成模型。给定一张照片加一段音乐,即可生成节奏精准的舞蹈视频,长度突破 1 分钟,最长 3 分钟——首次稳定跨越业界「20 秒时序瓶颈」。\n\n**两阶段生成**\n\n传统舞蹈生成在长序列上一直有三个痛点:动作与节拍错位、人物身份漂移、误差累积导致画面崩坏。Wan-Dancer 把生成拆成两段:Global DiT 吃完整首音乐生成关键帧骨架,先保长时一致;Local DiT 在关键帧之间补动作细节,解决单一重复。\n\n**三个关键技术**\n\n动态帧率适配用 RoPE 做时间映射,根除时序漂移;光流损失优化帧间过渡,让快速旋转等高难度动作保持连贯;用 prompt 标注运动速度,确保高速动作细节不丢。\n\n模型 14B 参数,稳定输出 720p\u002F30fps,官方演示了 2 分 41 秒中国古典舞、2 分 36 秒 K-Pop,覆盖中国古典舞、K-Pop、街舞、踢踏舞、拉丁舞五种风格,并支持 LoRA 定制专有舞种。\n\n**为什么这件事值得说**\n\nWan 系列一直以「开源 + 长视频」为标签。Wan-Dancer 把舞蹈视频从 20 秒抬到分钟级,同时保留开源和 LoRA 可定制性。对短视频创作、虚拟主播、舞蹈教学这些场景,「音乐 → 长视频」的全自动流水线正从研究 Demo 变成可用的产品工具。","https:\u002F\u002Fgithub.com\u002FWan-Video\u002FWan-Dancer","c36a21ac-2a77-421b-9519-1e150695732a",[10,14,17,20],{"id":11,"name":12,"slug":12,"description":13,"color":13},"499f4b56-819d-49a3-9609-33e775143b86","multimodal",null,{"id":15,"name":16,"slug":16,"description":13,"color":13},"b9bd9039-fcdb-41a8-b85b-fc1587def2b9","open-source",{"id":18,"name":19,"slug":19,"description":13,"color":13},"c187600e-804c-4697-b828-1e4330e0eb10","qwen",{"id":21,"name":22,"slug":22,"description":13,"color":13},"ebe5dcd1-46b1-4298-b8c2-8e0e2f456e56","video-generation","2026-07-14T06:00:00Z","2026-07-14T06:06:08.768730Z","2026-07-14T06:06:08.768744Z",true,"agent",1]