PolyDub

🌐 PolyDub — AI 智能视频翻译·配音·要点总结扩展
PolyDub — AI Real-Time Video Translation, Dubbing & Summary Extension

为 YouTube、Udemy、BiliBili、Coursera 等视频网站提供实时语音与字幕翻译、AI 要点总结与知识流程图生成。
支持语音配音、字幕下载，让外语视频轻松可懂、学习高效、沉浸体验。
Real-time speech & subtitle translation, AI key-point summaries, and knowledge flowcharts for YouTube, Udemy, BiliBili, Coursera, and more — turning any foreign video into an easy-to-understand, structured learning experience.

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🌟 核心功能 / Core Features
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🎬 实时字幕翻译与下载 / Real-Time Subtitle Translation & Download
・多语言字幕自动翻译，边看边译
・一键下载原文与译文字幕（SRT / VTT 格式）
・支持英语、日语、韩语、法语、德语等 20+ 主流语言
・Automatic subtitle translation in real time while watching
・One-click download of original & translated subtitles (SRT / VTT)
・Supports English, Japanese, Korean, French, German, and 20+ languages

🗣️ AI 智能视频语音配音 / AI Video Voice Dubbing
・采用 Microsoft Azure、Google TTS 与本地 Edge 语音引擎
・实时语音转换：替换原视频音频为 AI 配音
・自然流畅、音色可选的多语言语音体验
・Powered by Microsoft Azure, Google TTS, and local Edge voices
・Real-time voice conversion with natural, selectable multilingual voices

🧩 AI 要点总结与解说 / AI Key-Point Summary & Commentary
・一键提炼整段视频的核心观点，快速抓重点
・自动生成章节大纲与时间戳，点击即跳
・AI 解说式要点梳理，让长视频 5 分钟看懂
・Distill the whole video into key points with a single click
・Auto-generated chapters & timestamps — click to jump instantly
・AI commentary-style digest turns a long video into a 5-minute read

🧠 知识流程图生成 / Knowledge Flowchart Generation
・基于视频内容自动生成知识流程图
・把复杂讲解转化为可视化结构，一眼看清逻辑脉络
・特别适合课程、教程、科普与技术讲解类视频
・Automatically build a flowchart from any video
・Turn complex narration into a clear visual structure
・Ideal for courses, tutorials, science & tech explainers

💻 多平台支持 / Multi-Platform Support
・兼容 YouTube、Udemy、BiliBili、Coursera 等主流平台
・实时语音与字幕处理，无需下载即可享受翻译 + 总结
・Works on YouTube, Udemy, BiliBili, Coursera and more
・Real-time processing — no download required

📂 本地视频播放 / Local Video Support
・支持本地视频字幕翻译、AI 配音、要点总结与字幕下载
・离线场景也能享受完整翻译与学习体验
・Subtitle translation, AI dubbing, summary and download for local videos
・Full experience even in offline learning scenarios

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🧪 技术特色 / Technical Highlights
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・AI 深度学习翻译与摘要引擎，准确且结构化
・基于大模型的章节提取与流程图建模
・支持多种字幕格式（SRT、VTT）
・智能语音同步技术，确保音画一致
・可调节播放速度、音量与语音参数
・高度个性化的设置项，贴合每位用户习惯

・Deep-learning translation & summarization engine for accurate, structured output
・LLM-powered chapter extraction and flowchart modeling
・Multi-format subtitle support (SRT, VTT)
・Smart speech–video sync for natural alignment
・Adjustable playback speed, volume, and voice parameters
・Rich personalization options

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📚 适用场景 / Use Cases
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・外语课程与在线教程：一边配音听，一边看要点复习
・国外影视与纪录片：AI 配音 + 要点梳理，沉浸且高效
・在线教育与企业培训：流程图辅助理解，离线也可用
・跨语言知识获取：技术演讲、科普、论文解读一键看懂

・Foreign-language courses & tutorials — dubbed playback + key points for review
・Movies & documentaries — immersive dubbing with structured summaries
・Online education & corporate training — flowcharts for faster comprehension, offline-ready
・Cross-language knowledge — tech talks, science explainers, paper walkthroughs at a glance

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🔑 功能亮点 / Key Highlights
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✅ 实时语音翻译 — 边看边听，无需等待
✅ AI 要点总结 — 长视频秒变精华
✅ 知识流程图 — 复杂内容可视化
✅ 字幕下载 — 原文 & 译文一键保存
✅ 多语言支持 — 覆盖 20+ 种主流语言
✅ 无广告干扰 — 纯净专注的学习体验

✅ Real-time voice translation — watch and listen without waiting
✅ AI key-point summary — turn long videos into essence
✅ Knowledge flowchart — visualize complex content
✅ Subtitle download — save both original and translated
✅ 20+ languages supported
✅ Ad-free, focused learning

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🚀 愿景 / Vision
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让语言不再成为获取知识的障碍，让长视频不再成为时间的消耗。
通过 AI 翻译、配音、要点总结与知识流程图，
PolyDub 致力于打造真正无障碍、高效率的全球化学习体验。

Break language barriers and beat information overload.
With AI translation, dubbing, key-point summaries, and knowledge flowcharts,
PolyDub delivers a truly borderless and efficient global learning experience.