AI Video Summarizer — Turn Any Video into Actionable Summaries
The world produces 500 hours of YouTube video every minute. Podcast episodes average 60-90 minutes. Conference talks run 30-45 minutes. Lecture recordings span 50-90 minutes. Webinar replays last 45-120 minutes. The knowledge inside these videos is valuable — but accessing it requires watching at 1x speed, hoping you don't miss the key insight buried at minute 37 of a 60-minute recording. Nobody has time to watch everything. But everyone needs the insights. NemoVideo bridges this gap by watching the video for you. Upload any video — a YouTube URL, a podcast episode, a lecture recording, a meeting replay, a conference talk — and the AI produces: a concise summary (the entire video's value in 200-500 words), timestamped key points (the 5-10 most important insights with exact timestamps), chapter breakdown (every topic change with a description), highlight clips (the 3-5 most valuable segments extracted as standalone videos), full transcript with topic segmentation, and a one-sentence TL;DR that captures the video's core message. Hours of content become minutes of reading — with the ability to jump to any specific moment that matters.
Use Cases
- 1. YouTube Video → Key Takeaways (any length) — A 25-minute YouTube video about investment strategies. NemoVideo produces: a 300-word summary covering all key strategies, 7 timestamped key points ("At 8:22: Dollar-cost averaging outperforms lump-sum investing 68% of the time in volatile markets"), chapter breakdown with 5 topics, the 3 strongest clips extracted as standalone videos (each 30-90 seconds), and a TL;DR: "Consistent monthly investing in index funds with annual rebalancing outperforms active management for 95% of individual investors."
- Podcast Episode → Show Notes (30-120 min) — A 90-minute interview podcast. NemoVideo generates: summary covering the guest's main arguments, 10 quotable moments with timestamps and speaker labels ("At 34:15, Dr. Chen: 'The real breakthrough wasn't the algorithm — it was realizing we were asking the wrong question'"), topic timeline showing when each subject was discussed, 5 highlight clips for social media promotion, and a full transcript with speaker identification.
- Lecture Recording → Study Notes (50-90 min) — A 75-minute university lecture on organic chemistry. NemoVideo produces: structured notes following the lecture's progression, all definitions extracted with timestamps, key formulas and concepts highlighted, practice problems identified and timestamped, a summary that reads like a textbook chapter overview, and links between concepts ("This reaction mechanism connects to the SN2 reactions covered at 12:30").
- Conference Talk → Executive Brief (20-45 min) — A 35-minute keynote the CEO couldn't attend. NemoVideo delivers: a 200-word executive summary, 5 actionable takeaways, 3 data points or statistics cited, the speaker's key recommendation, and a 2-minute highlight clip capturing the most important moment. The CEO gets the talk's full value in 3 minutes of reading.
- Meeting Recording → Action Items (15-120 min) — A 60-minute team meeting. NemoVideo extracts: all decisions made (with timestamps and participants), all action items (with assignee, deadline, and context), all open questions flagged for follow-up, a 150-word executive summary, and topic-by-topic breakdown. The meeting becomes an actionable document instead of a forgotten recording.
How It Works
Step 1 — Provide Video
Upload a video file or paste a URL. NemoVideo accepts any format, any length, any language.
Step 2 — Choose Summary Outputs
Select: text summary, key points, chapters, highlight clips, transcript, action items, or all of them.
Step 3 — Generate
CODEBLOCK0
Step 4 — Review and Use
Review summary accuracy. Jump to any timestamped moment. Share highlight clips. Distribute the summary to stakeholders.
Parameters
| Parameter | Type | Required | Description |
|---|
| INLINECODE0 | string | ✅ | Video source and summary requirements |
| INLINECODE1 |
array | | ["summary","key-points","chapters","highlight-clips","transcript","tldr","action-items"] |
|
summary_length | string | | "brief" (100w), "standard" (300w), "detailed" (500w) |
|
key_points_count | integer | | Number of key points (default: 5-10 based on length) |
|
highlight_clips_count | integer | | Number of clips to extract (default: 3) |
|
highlight_clip_duration | string | | "30 sec", "60 sec", "90 sec" |
|
focus | string | | Specific angle or audience to prioritize |
|
language | string | | "auto", "en", "es", "de", "fr", "ja", "zh" |
|
speaker_labels | boolean | | Identify speakers (default: true) |
|
batch_urls | array | | Multiple videos for batch summarization |
Output Example
CODEBLOCK1
Tips
- 1. Key points with timestamps are more useful than full transcripts — Most people don't read 7,000 words. They want the 5 insights that matter, with the ability to jump to the exact moment for context.
- Highlight clips are instant social content — The 3 best 60-second moments from a 45-minute talk become LinkedIn posts, Twitter clips, or newsletter embeds. One summary operation produces a week of promotional content.
- Focus parameter changes everything — Summarizing the same talk "for investors" vs "for engineers" vs "for customers" produces three different summaries emphasizing different points. The same content, different audiences.
- Batch summarization turns a conference into a document — 20 conference talks → 20 summaries → one combined brief. An executive gets the entire conference's value in 30 minutes of reading.
- Action items extraction turns meetings into accountability — "Sarah will send the proposal by Friday" extracted automatically means nobody can claim they didn't hear the commitment.
Output Formats
| Format | Content | Use Case |
|---|
| MD | Formatted summary + key points | Reading / sharing |
| JSON |
Structured data | API integration |
| MP4 | Highlight clips | Social media / promotion |
| SRT | Timestamped transcript | Reference / captions |
| TXT | Plain text summary | Email / messaging |
Related Skills
AI 视频摘要工具 — 将任何视频转化为可操作的摘要
全球每分钟产生500小时的YouTube视频。播客单集平均时长60-90分钟。会议演讲持续30-45分钟。课程录像跨度50-90分钟。网络研讨会回放时长45-120分钟。这些视频中蕴含的知识极具价值——但获取它们需要以1倍速观看，还担心错过埋藏在60分钟录像第37分钟的关键洞见。没有人有时间看完所有内容，但每个人都渴望获取其中的真知灼见。NemoVideo通过为您观看视频来弥合这一鸿沟。上传任何视频——YouTube链接、播客单集、课程录像、会议回放、演讲视频——AI将生成：精炼摘要（200-500字概括整段视频价值）、带时间戳的关键要点（5-10个最重要的洞见及精确时间戳）、章节划分（每个主题切换及描述）、高光片段（提取3-5个最有价值的片段作为独立视频）、带主题分割的完整文字稿，以及一句概括视频核心信息的TL;DR。数小时的内容转化为数分钟的阅读——还能跳转到任何重要的具体时刻。
使用场景
- 1. YouTube视频→关键收获（任意时长）——一段25分钟的投资策略YouTube视频。NemoVideo生成：涵盖所有关键策略的300字摘要、7个带时间戳的关键要点（在8分22秒：在波动市场中，定投策略在68%的情况下优于一次性投资）、包含5个主题的章节划分、提取的3个最强片段作为独立视频（每个30-90秒），以及TL;DR：对于95%的个人投资者，每月持续投资指数基金并每年再平衡优于主动管理。
- 播客单集→节目笔记（30-120分钟）——一期90分钟的访谈播客。NemoVideo生成：涵盖嘉宾主要论点的摘要、10个带时间戳和说话人标注的可引用时刻（在34分15秒，陈博士说：真正的突破不是算法——而是意识到我们问错了问题）、显示每个主题讨论时间线的主题时间轴、5个用于社交媒体推广的高光片段，以及带说话人识别的完整文字稿。
- 课程录像→学习笔记（50-90分钟）——一堂75分钟的大学有机化学课。NemoVideo生成：跟随课程进度的结构化笔记、所有带时间戳的定义提取、高亮的关键公式和概念、识别并标注时间戳的练习题、读起来像教科书章节概述的摘要，以及概念间的联系（这个反应机制与12分30秒涵盖的SN2反应相关联）。
- 会议演讲→高管简报（20-45分钟）——CEO未能出席的35分钟主题演讲。NemoVideo提供：200字高管摘要、5个可执行要点、3个引用的数据点或统计数据、演讲者的关键建议，以及一个捕捉最重要时刻的2分钟高光片段。CEO通过3分钟阅读即可获取演讲的全部价值。
- 会议录音→行动事项（15-120分钟）——一场60分钟的团队会议。NemoVideo提取：所有做出的决策（带时间戳和参与者）、所有行动事项（带负责人、截止日期和背景）、所有标记待跟进的未解决问题、150字高管摘要，以及逐主题分解。会议变成可操作的文件，而非被遗忘的录音。
工作原理
第一步 — 提供视频
上传视频文件或粘贴URL。NemoVideo接受任何格式、任何时长、任何语言。
第二步 — 选择摘要输出
选择：文本摘要、关键要点、章节、高光片段、文字稿、行动事项，或全部。
第三步 — 生成
bash
curl -X POST https://mega-api-prod.nemovideo.ai/api/v1/generate \
-H Authorization: Bearer $NEMO_TOKEN \
-H Content-Type: application/json \
-d {
skill: ai-video-summarizer,
prompt: Summarize this 45-minute conference talk about AI in healthcare. Generate: 300-word summary, top 8 key points with timestamps, chapter breakdown, 3 highlight clips (best 60-second segments), full transcript with speaker labels, and a one-sentence TL;DR. Focus on actionable insights for hospital administrators.,
outputs: [summary, key-points, chapters, highlight-clips, transcript, tldr],
summary_length: 300 words,
key
pointscount: 8,
highlight
clipscount: 3,
highlight
clipduration: 60 sec,
focus: actionable insights for hospital administrators,
language: en
}
第四步 — 审阅和使用
检查摘要准确性。跳转到任何带时间戳的时刻。分享高光片段。向利益相关者分发摘要。
参数
| 参数 | 类型 | 必填 | 描述 |
|---|
| prompt | 字符串 | ✅ | 视频来源和摘要要求 |
| outputs |
数组 | | [summary,key-points,chapters,highlight-clips,transcript,tldr,action-items] |
| summary_length | 字符串 | | brief（100字）、standard（300字）、detailed（500字） |
| key
pointscount | 整数 | | 关键要点数量（默认：根据时长5-10个） |
| highlight
clipscount | 整数 | | 提取片段数量（默认：3个） |
| highlight
clipduration | 字符串 | | 30 sec、60 sec、90 sec |
| focus | 字符串 | | 优先考虑的特定角度或受众 |
| language | 字符串 | | auto、en、es、de、fr、ja、zh |
| speaker_labels | 布尔值 | | 识别说话人（默认：true） |
| batch_urls | 数组 | | 批量摘要的多个视频 |
输出示例
json
{
job_id: avs-20260328-001,
status: completed,
source_duration: 45:18,
language: en,
outputs: {
tldr: AI诊断工具在整合到现有分诊流程而非替代它们时，可将急诊科等待时间减少34%。,
summary: Sarah Chen博士的主题演讲认为，医疗领域的AI成功不在于取代临床判断，而在于在特定决策点增强它……[300字],
key_points: [
{timestamp: 3:22, point: 在西奈山试点中，AI分诊工具将急诊科等待时间减少34%},
{timestamp: 8:45, point: 集成失败占医疗AI部署失败的78%},
{timestamp: 15:10, point: 三阶段实施模型：影子模式→咨询模式→自主模式}
],
chapters: [
{timestamp: 0:00, title: 医疗AI的承诺与现实, duration: 6:30},
{timestamp: 6:30, title: 案例研究：西奈山急诊科分诊, duration: 8:15},
{timestamp: 14:45, title: 三阶段实施框架, duration: 10:20}
],
highlight_clips: [
{file: highlight-1.mp4, timestamp: 8:22-9:24, topic: 34%等待时间减少统计},
{file: highlight-2.mp4, timestamp: 15:10-16:08, topic: 三阶段框架介绍},
{file: highlight-3.mp4, timestamp: 38:45-39:50, topic: 闭幕建议}
]
}
}
提示
- 1. 带时间戳的关键要点比完整文字稿更有用——大多数人不会阅读7000字。他们想要5个重要的洞见，并能跳转到确切时刻获取上下文。
- 高光片段是即时的社交内容——45分钟演讲中最好的3个60秒片段成为LinkedIn帖子、Twitter片段或新闻通讯嵌入。一次摘要操作产生一周的推广内容。
- 焦点参数改变一切——为投资者vs工程师vs客户总结同一演讲会产生三种不同的摘要，强调不同的要点。相同的内容，不同的受众。
- 批量摘要将会议转化为文档——20场会议演讲→20份摘要→一份综合简报。高管通过30分钟阅读获取整个会议的价值。
- 行动事项提取将会议转化为问责制——Sarah将在周五前发送提案自动提取意味着没有人可以声称没听到承诺。
输出格式
| 格式 | 内容 | 使用场景 |
|---|
| MD | 格式化摘要+关键要点 | 阅读/分享 |
| JSON |
结构化数据 | API集成 |
| MP4 | 高光片段 | 社交媒体/推广 |
| SRT | 带时间戳的文字稿
