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What Is NotebookLM? How Google's AI Can Transform Your Learning — Uses and Tips
機械翻訳 / Machine-translated
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AI Friends
2026年5月3日・12分で読める
機械翻訳 / Machine-translated
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This article explains Google's AI research tool "NotebookLM" in a way that's easy to understand, even for beginners.
NotebookLM is an AI research tool developed by Google. When you load materials such as documents, PDFs, or web pages, the AI analyzes the content and provides summaries and answers to your questions.
Its standout feature is "Audio Overview," a function in which two AI hosts explain the content in a conversational format. You can enjoy learning about complex topics as if you were listening to a podcast.
As of May 2026, it supports more than 80 languages including Japanese, and another appealing aspect is that you can get started for free. It is used by a wide range of people, from students and researchers to business professionals.
NotebookLM comes with a wide variety of features that streamline learning and research. Here we introduce five of the main features.
When you upload materials, the tool automatically generates audio in which two AI hosts explain the content in a dialogue format. You can choose from four styles: Deep Dive, Brief, Critique, and Debate.
Because you can learn during your commute or while doing household chores, it's ideal for those who want to make the most of their time. The free plan allows up to three generations per day.
The AI automatically summarizes the key points of long papers and reports. It also answers questions about the content of your materials while citing relevant passages, helping you deepen your understanding.
The March 2026 update significantly enhanced the flashcard feature. New additions include the ability to resume from where you left off, records of correct and incorrect answers, and a shuffle function.
Quizzes are automatically generated from the content of your materials, allowing you to check how well you've retained what you've learned. It's also useful for exam preparation and professional certification study.
Presentation slides are automatically generated based on your materials. The February 2026 update made it possible to fine-tune individual slides, and downloading in PowerPoint format is now also supported.
Complex data and concepts are converted into visually easy-to-understand infographics. Japanese text is displayed accurately, so Japanese-speaking users can use this feature with confidence.
NotebookLM is easy to get started with, even for beginners. Follow the steps below.
Go to the official NotebookLM website (notebooklm.google) and log in with your Google account. If you don't have an account, you can create one for free.
Click the "Create new notebook" button and enter a project name. Give it a descriptive name, such as your research topic or the subject you're studying.
Add the materials you want to analyze, such as PDF files, Google Docs, or website URLs. The free plan lets you import up to 50 sources per notebook.
Type a question into the chat box and the AI will respond based on the content of your materials. You can ask anything you like, such as "What is the conclusion of this paper?" or "Tell me the three most important points."
Click the "Generate audio overview" button and a podcast-style audio file will be ready in a few minutes. Choose from the four styles to match your purpose.
NotebookLM is especially recommended for the following types of people.
It is a particularly valuable tool for those who want to learn efficiently despite limited time, or for those who want support in understanding complex materials.
NotebookLM is a powerful tool that harnesses the power of AI to streamline learning and research. Let's recap the key points.
We recommend starting with the free plan to see whether it suits your learning style. Use NotebookLM to dramatically improve your learning efficiency.
This article is a cross-post from AI Friends.
