45-Minute Extended Deep-Dive Audio Podcast Prompt Hack (NotebookLM)
Stop getting short 8-minute summaries. Use this copy-paste NotebookLM Audio Overview steering prompt to force a comprehensive 35-to-45-minute deep dive podcast.
📸 Visual Output Preview (Save your 1200x675px screenshot as /assets/images/45-minute-long-podcast-hack.webp)
Recommended NotebookLM Studio Settings
| Where to Paste | Studio -> Audio Overview -> Deep Dive -> Customize |
|---|---|
| Best Source Files | 3 to 10 Full-Length PDFs, Book Chapters, or Complete Course Modules |
| Compatible Tools | Google NotebookLM (Gemini Notebook), Gemini 2.5 Pro, Claude Projects |
Sample Output Preview (Information Gain Benchmark)
Frequently Asked Questions
Why are my default NotebookLM Audio Overviews only 8 to 12 minutes long?
By default, the AI hosts try to summarize your sources into a quick conversational intro. Instructing them to walk sequentially through every source and pause for cross-examination forces a much longer script.
How many sources do I need for a 40+ minute podcast?
Upload at least 15,000 to 40,000 words of dense source material (3 to 6 detailed PDFs). If you only upload a 2-page note, there isn't enough factual material for a long episode.
Which Audio Overview mode should I select with this prompt?
Select 'Deep Dive' mode in the Audio Overview panel and paste this prompt into the customization field.
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