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chore(showcase): 收录 #44 pzb5471 digital-human-short-video
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@@ -14,6 +14,20 @@ keywords: "阿里云百炼案例,AI Agent 案例,百炼CLI,OpenWork,Showcase,社
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## digital-human-short-video:CosyVoice 字级时间戳驱动数字人口播短视频
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**作者**[@pzb5471](https://github.com/pzb5471) · 2026-07-22
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面向"授权人像 + 结构化口播脚本 → 9:16 无平台水印数字人口播短视频"的完整管线。走"云端接口做配音和数字人生成,本地 Remotion 合成"路线:用阿里云百炼 CosyVoice v3(`cosyvoice-v3-flash`)开启 `word_timestamp_enabled` 生成配音,并从 SSE 返回的 `output.sentence.words` 拿到字级时间戳 → 阿里云 Marketing Engine `CreateAnchor + SubmitProjectTask` 用 AUDIO 驱动数字人口型 → Remotion 按字级时间戳合成字幕并输出 1080×1920 / 30fps 成片 → 本地 verify 校验规格。关键踩坑:TTS 首尾静音直接拼接会造成一秒以上停顿和字幕错位,改为分段裁切 + 明确停顿;字幕严格按真实 WAV duration 对齐而非按文本长度估算。
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**工具**:百炼 CosyVoice v3(`cosyvoice-v3-flash`,SSE + word_timestamp)+ 阿里云 Marketing Engine(数字人 CreateAnchor / SubmitProjectTask)+ Remotion(1080×1920/30fps 合成)+ FFmpeg
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**仓库**[github.com/pzb5471/digital-human-short-video](https://github.com/pzb5471/digital-human-short-video)(MIT)
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> [查看原始 Issue →](https://github.com/modelstudioai/modelstudioai.github.io/issues/44)
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## Product Promo Video Skill:百炼生成 + Remotion 代码化合成产品宣传片
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**作者**[@chenlikun2010](https://github.com/chenlikun2010) · 2026-07-18

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