NotebookLM could soon turn your study notes into classroom lectures
Google is testing a new Lecture mode in NotebookLM that can turn your notes and documents into long, spoken lectures. The feature aims to explain material out loud, making studying feel more like attending a real class. The post...
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Turning study notes into something you can listen to
Google
Google’s NotebookLM is experimenting with a feature that could make studying feel a lot more like attending an actual class. A new Lecture mode can turn your uploaded notes, documents, and sources into long, spoken lectures (via Testing Catalog).
It lets NotebookLM teach the material out loud instead of just summarizing it on screen. Instead of the shorter Audio Overviews users are already familiar with, this new mode is designed to produce a single, continuous lecture delivered by one AI narrator.
BREAKING 🚨: Google might be working on a “Lecture” format for Audio Overviews on NotebookLM. Lectures would have a single host narration and could last for 30 minutes.
Exclusive Notebook with TestingCatalog Lecture sample in the post below.
Listening time 👀 pic.twitter.com/kr4DolMtAR
When paired with the Long length option, the lecture can run for close to 30 minutes, mimicking the flow of a real classroom session rather than a quick recap. The idea is to calmly explain concepts and connect ideas across your sources, making it easier to absorb dense material without actively reading everything.
Turning research into spoken lessons
The Lecture option appears alongside existing Audio Overview formats such as Brief, Deep Dive, Critique, and Debate. The workflow stays familiar. You select your sources, choose Lecture as the format, pick a length, and then generate the audio.
NotebookLM has recently teased new narration voices, including British English accents planned for 2026, with early easter eggs already appearing in featured notebooks.
Ok, before we actually take a much needed respite for the holidays, we wanted to check… Did anyone notice the easter egg in our newest Featured Notebook? No? Here’s a wee snippet:
(We hope you’ll be absolutely chuffed! Coming soon in 2026.) pic.twitter.com/df0vqJFX85
A language selector has also been spotted in an APK teardown, hinting that users may eventually be able to choose the language of the lecture.
Google has not confirmed when the Lecture mode will launch publicly, which languages will be supported, or whether the availability will depend on region or account tier.
Google
Whenever this mode arrives, it will be useful for students, researchers, and professionals who want a hands-free way to review big chunks of information. It could help them with exam preparation, getting up to speed before meetings, or listening to internal documentation while commuting.
While Lecture mode is still in testing, it shows Google’s growing interest in turning NotebookLM into a more passive learning tool.
The company has already been expanding its capabilities by letting you ask Gemini questions directly about your NotebookLM notes and making it easier to export content to Docs and Sheets. By adding flashcards and quizzes into the mix, NotebookLM is slowly starting to feel more like a full study companion than just a research assistant.
Manisha likes to cover technology that is a part of everyday life, from smartphones & apps to gaming & streaming…
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