NTULearn 双语字幕 · AI 翻译与笔记（非官方）

为 NTULearn Media Gallery 课程视频生成双语字幕，侧边栏提供逐段译文、AI 课堂笔记和问答。免配置即用，也可接入自己的大模型或 ChatGPT 订阅。非官方工具。

为 NTULearn（南洋理工大学 Blackboard）Media Gallery 里的课程视频生成双语字幕，并在浏览器侧边栏提供逐段译文、AI 课堂笔记和课程问答。 ※ 本扩展为个人开发的开源工具，与南洋理工大学（NTU）、Kaltura、Blackboard 均无关联。 【双语字幕】 • 装好即用：默认使用免费的 Google 翻译，打开课程视频就有中英双语字幕，不需要任何配置 • 无延迟：拿到字幕后从当前播放位置开始预翻译整部视频，拖动进度条时优先翻译新位置，结果缓存在本地，重复观看立即显示 • 清晰易读：字幕随播放器尺寸自适应，支持全屏、拖动调整位置、隐藏播放器原字幕；双语 / 仅译文 / 仅原文三种模式 • 13 种目标语言，也可自定义 【AI 精准模式】 • 接入你自己的大模型：支持三种常见的接口格式，可自定义接口地址和模型名称 • 也可以登录 ChatGPT 账号，直接使用订阅额度，不需要 API Key • 结合上下文、课程背景和术语表翻译，专业名词更准确，并能修正语音识别的错误 【侧边栏】 • 译文：整节课按段落排版，当前这句高亮并自动滚动，点任意一句跳到视频对应位置，可导出双语 SRT / 文稿 • 笔记（AI 模式）：按知识点自动整理整节课的笔记，包括要点、例子、老师强调的内容（带时间戳）、术语，以及本节概览和自测题；公式正常排版；跟着视频高亮当前知识点；可导出 Markdown / 网页 • 对话（AI 模式）：AI 知道整节课的内容和你正在看的位置，回答中的时间点可以点击跳转 • 笔记和问答可以单独配置一个更强的模型；不需要笔记时可以关闭 【隐私】 • 设置、API Key、译文、笔记和对话只保存在你的浏览器里 • 开发者不运营任何服务器，不收集任何数据，没有统计或广告 • 字幕只会发送给 Google 翻译（基础模式）或你自己选择的 AI 接口 • 源代码：https://github.com/Alan1112223331/ntulearn-bilingual-subtitles 快捷键：Alt+Shift+S 开关字幕，Alt+Shift+M 切换显示模式。需要 Chrome / Edge 116 及以上。 Bilingual subtitles for lecture videos in NTULearn (Nanyang Technological University's Blackboard) Media Gallery, plus a browser side panel with a paragraph transcript, AI lecture notes and Q&A about the lecture. * This is an unofficial open-source tool made by an individual. It is not affiliated with NTU, Kaltura or Blackboard. The interface is in Simplified Chinese. BILINGUAL SUBTITLES • Works out of the box: free Google Translate by default, no setup needed • No delay: the whole video is translated ahead of time, starting from where you are watching; seeking jumps the queue; results are cached locally • Clear display: subtitles scale with the player, work in full screen, can be dragged into place, and can hide the player's own captions; bilingual / translation-only / original-only modes • 13 target languages, or a custom one AI MODE • Use your own model: three common API formats, with a custom endpoint and model name • Or sign in with a ChatGPT account and use your plan, no API key needed • Translation uses surrounding context, your course context and a glossary, so technical terms come out right and speech-recognition errors get fixed SIDE PANEL • Transcript: the whole lecture in paragraphs, the current sentence highlighted and followed; click any sentence to jump there; export bilingual SRT or text • Notes (AI mode): notes organised by topic, with key points, examples, what the lecturer stressed (with timestamps), terms, an overview and self-check questions; formulas are typeset; the current topic is highlighted as the video plays; export Markdown or HTML • Chat (AI mode): the AI knows the whole lecture and where you are watching; cited timestamps are clickable • Notes and chat can use a separate, stronger model; notes can be turned off PRIVACY • Settings, API keys, translations, notes and chats stay in your browser • The developer runs no servers and collects no data; no analytics, no ads • Captions are sent only to Google Translate (Basic mode) or the AI provider you choose • Source code: https://github.com/Alan1112223331/ntulearn-bilingual-subtitles Shortcuts: Alt+Shift+S toggles subtitles, Alt+Shift+M switches the display mode. Requires Chrome / Edge 116 or later.