▶️YouTube

NEW NotebookLM Leaks Are INSANE... 🤯

Julian Goldie SEO·youtube.com·9 min read·Mar 28

Select text to create a clip

Transcript — click timestamp to jump, select text to highlight

118 segments

Google just leaked something crazy for Notebook LM. They're testing a new lecture mode that can

talk for 30 minutes straight. One AI voice explaining your research like a university

professor. This changes everything for content creators. Let me show you what's coming and how

to use it right now. Okay, so Notebook LM just got leaked and this leak is wild. Google is testing a

brand new format called Lecture Mode and I'm going to show you exactly what it does and why you need

to care about this. Right now, Notebook LM has a bunch of audio formats. You've got Deep Dive where

two AI hosts chat about your content. You've got Brief which gives you quick summaries in under two

minutes. There's Critique where two hosts give feedback on your work and Debate where they argue

different perspectives. But Lecture, this is completely different. It's one single AI voice.

No back and forth, no conversation, just pure explanation like a professor giving a lecture

and it can go for up to 30 minutes. 30 minutes of AI breaking down your research, your notes,

your documents, whatever you upload. And here's the thing, the leak came from UI strings and something

called Testing Catalog. They found the code, they found demo audio, they even found the settings. You

can pick shorter, default or longer versions. The longest one hits that 30 minute mark, perfect for deep

dives into complex topics. And get this, it supports multiple languages including British English voices

that are coming in 2026. So you're not stuck with one accent or one style. Now let me tell you why

this matters for you. If you're creating content, this is a game changer. Think about it. You upload

your research, you hit generate, you get a 30 minute lecture explaining everything. You can use that audio

directly, you can turn it into a podcast, you can pull clips for social media, you can even use it as a

foundation for video scripts. I'm already thinking about how to use this for the AI Profit Boardroom.

Imagine uploading all our training materials about AI automation, all our client case studies,

all our strategies for getting more leads and customers, then hit lecture mode, get a 30 minute

breakdown of exactly how businesses can use AI to automate their sales process. That becomes a lead

magnet, that becomes a YouTube video, that becomes an email sequence, you see where I'm going with this.

The production value is insane too. These AI voices sound natural, they pause at the right moments,

they emphasize important points, it's not robotic at all. And since it's one voice for 30 minutes,

it has better pacing than the multi host formats. No awkward transitions, no interruptions, just smooth,

consistent delivery. Now here's what we know about how it works. First, you upload your sources,

same as always with notebook LM, you can drop in PDFs, docs, websites, whatever you want. Then you go to

create an audio overview. But instead of picking deep dive or brief, you see this new option lecture,

you click that, you get options for length, shorter if you want something quick, default for medium

length, longer if you want the full 30 minutes, you can also customize the prompt, tell it what to

focus on, what angle to take, what details to emphasize, then you hit generate and wait. It takes

a bit longer than the shorter formats, because it's creating so much content. But when it's done,

you've got professional quality audio explaining your entire topic, testing catalog, actually posted a

sample, and the pacing is perfect. It's not too fast, not too slow, just right for learning.

They tested it with research papers, with media notes, with study guides, every time the AI nailed

the explanation. And if you want to get ahead of this, you need to understand AI automation at a

deeper level. That's where the AI profit boardroom comes in. We're teaching business owners and

entrepreneurs exactly how to save time and automate their processes with AI tools, like notebook LM,

you'll learn how to turn research into content, how to automate customer follow ups, how to use AI to

get more leads without working more hours, no fluff, just practical strategies that work right

now. Check it out if you're serious about scaling with AI. Okay, back to lecture mode. Now let me

break down the comparison between all these formats real quick. Deep Dive is two hosts having a lively

conversation, great for exploring connections between ideas, variable length, super engaging if you like

that podcast vibe. Brief is one host giving key takeaways in under two minutes, perfect when you need a quick

summary before a meeting. Critique is two hosts giving constructive feedback, awesome for essays or designs,

would you want multiple perspectives? Debate is two hosts arguing back and forth, good for exploring

controversial topics or different viewpoints. And now lecture, one host, monologue style, up to 30 minutes, best for

deep reviews and comprehensive explanations. Each format has its place, but lecture fills a gap that

was missing. Sometimes you don't want a conversation, you want someone to just explain it to you step by

step. That's what lecture does. Okay, let me talk about the creator impact here, because this is huge for

anyone making educational content. First SEO, if you're making a YouTube videos about complex topics, you need

good scripts. Lecture mode basically writes them for you, upload your research, generate a lecture,

transcribe it, clean it up, boom. You've got a script. Second, repurposing. One 30-minute lecture can become

10 short videos, 20 social media posts, a full email course, the content possibilities are endless.

Third, automation. You're not spending hours writing and rewriting. You're not stuck trying to explain

something clearly. The AI does the heavy lifting. I'm already planning to use this for the AI Profit

Boardroom. Here's my workflow. Take our training on how to automate customer follow-ups with AI.

Upload all the docs and case studies, generate a lecture, use that audio to create a YouTube video,

pull out the best clips for Instagram Reels and TikTok, turn the transcript into a blog post,

use sections of it for email nurture sequences, one upload, multiple pieces of content, all from

lecture mode, and the quality is good enough that you don't need heavy editing. Maybe trim a few seconds

here and there. Add some music, but the core content is solid. Now let me show you what this sounds like

in practice. Testing catalog, posted audio from their demo. It's a lecture about machine learning

concepts. The AI voice walks through definitions, gives examples, explains applications, all in this

smooth, natural flow. No weird pauses, no robotic tone, just clear explanation. The pacing is perfect

for note-taking too. If you're a student, you can listen to this during your commute or before an exam

or while doing chores. It's like having a private tutor explaining everything at your own pace.

And because you control the source material, you control what gets covered. You're not stuck with

generic explanations. It's customized to your exact needs. For businesses, this is massive. Think about

onboarding a new employees, upload your company docs, generate a lecture covering policies, procedures,

and culture. New hires can listen to it during their first week. Or customer education, upload your

product documentation, generate a lecture explaining features and use cases. Customers get a guided tour

without reading dense manuals or sales training, upload your pitch decks and case studies, generate

a lecture breaking down objection handling and closing techniques. Your sales team listens and learns the

applications are endless. Now, what about the tech behind this? Notebook LM uses Google's AI models,

Gemini under the hood. These models are trained to understand context, maintain coherence, and speak

naturally. When you upload sources, the AI reads everything. It builds a knowledge graph of the key

concepts. Then it crafts a narrative that flows logically from point to point. For lecture mode

specifically, it focuses on clarity and depth. It's not trying to be entertaining like deep dive. It's

trying to teach. That means more detailed explanations, more examples, more structure. And because it's 30

minutes, it can go deep. No rushing, no skipping important details, just thorough coverage. The multilingual

support is interesting too. Right now, most audio is in English, but with British English coming and

likely more languages after that, this becomes a global tool. You could create lectures in Spanish

for Latin American markets, French for European audiences, Japanese for Asian customers, all from

the same source material. That's powerful for international businesses or educators with diverse

audiences. All right, let's talk about what's next. This is still in testing. There's no public release

date yet, but based on the leak is far enough along that Google is demoing it internally. Google will

probably add more customization options, more voice choices, maybe even video integration where the

lecture syncs with slides or visuals. The feature roadmap for notebook LM is aggressive. Google is

clearly investing heavily here and lecture mode is a big piece of that puzzle. One thing I'm really excited

about is the exam prep use case. If you're a student, you can upload your textbook, chapters, and lecture

notes. Generate a 30 minute review. Listen to it the night before your exam. It's like having a study

group in your ears, but you control the topics and the pace. For professionals, same deal. Preparing for

a certification. Upload the study guide. Generate a lecture. Listen during your commute. Preparing for a

big presentation. Upload your slides and talking points. Generate a lecture explaining everything.

Practice along with it. The flexibility is what makes this so valuable. It's not one size fits all. It adapts to

whatever you need. Now, I know some people are worried about AI replacing human teachers or creators,

and I get that concern. But here's the reality. AI is a tool. It makes good creators better. It doesn't

replace the human touch. A lecture generated by AI still needs your input, your sources, your

customization, your editing, your distribution strategy. The AI handles the grunt work. You handle the

strategy and creativity. That's the future. Humans and AI working together, not one replacing the other.

And the creators who embrace this, they'll run circles around the ones who don't. So my advice

is simple. Start experimenting now. Use Notebook LM's current features. Get comfortable with the

workflow. So when lecture mode drops, you're ready to go. Upload a research paper. Generate a deep dive.

See how the AI structures information. Learn what prompts work best. Test different source types.

Build that muscle memory now. Then when lecture launches, you'll hit the ground running. And keep an eye on

testing catalog and other leaked sources. They're often the first to spot new features before official

announcements. Reddit is also a good place to watch. The Notebook LM community there is active. People

share tips, workflows, and early access info. Stay plugged in. And if you want the full process SOPs

and 100 plus AI use cases like this one, join the AI Success Lab. It's our free AI community. Links in the

comments and description. You'll get all the video notes from there, plus access to our community of 40,000

members who are crushing it with AI. Real people. Real results. Real strategies. No hype. No BS.

Just practical AI automation that works. All right. That's it for today. If this was helpful,

smash that like button. Subscribe if you haven't already. Drop a comment with your thoughts on

lecture mode. Julian reads every single one. And I'll see you in the next video with more AI updates.

Peace.

Clips

No clips yet

Select text above to create your first clip

Loading connections...

Reflect

What would you ask the author if you could talk to them?

Press Cmd+Enter to submit