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MIND BLOWING AI Voice (NotebookLM) & My AI Favorite Workflows thumbnail

MIND BLOWING AI Voice (NotebookLM) & My AI Favorite Workflows

All About AI·
5 min read

Based on All About AI's video on YouTube. If you like this content, support the original creators by watching, liking and subscribing to their content.

TL;DR

Use a repeatable chain—Perplexity → Cursor rewriting → Whisper transcription → OpenAI extraction → Cursor formatting → NotebookLM audio—to turn unstructured material into structured learning assets.

Briefing

AI-powered workflows can turn scattered notes and video transcripts into structured takeaways—and then into a podcast-style audio briefing—by chaining multiple tools: Perplexity for research, Cursor for rewriting and formatting, OpenAI for extracting key points, and Google’s NotebookLM for generating an audio “overview.” The practical payoff is speed plus reuse: once the pipeline is set up, new source material can be converted into readable notes and listenable summaries without starting from scratch.

The workflow begins with “advanced prompting” inside Cursor. A prompt is first generated via Perplexity (the creator mentions using a list of tips on advanced prompting with Cursor AI). That output is then pasted into Cursor as a Markdown file, cleaned up, and rewritten into a more structured form using Cursor’s diff-based editing. The result is a tidy document—complete with suggested questions—built from messy research text. Cursor is used not just as a chat interface but as a file editor, leveraging features like autocomplete and controlled rewrites to keep the output consistent.

A second workflow focuses on turning YouTube content into text. A Python script fetches a video URL and uses Whisper to transcribe the audio into Markdown-friendly transcript text. The transcript is saved, repeated for a second video, and treated as unstructured source material. From there, the transcripts are fed into OpenAI’s o1 preview model with an XML-tagged prompt to extract the most important takeaways. Those extracted points are then brought back into Cursor for formatting and readability passes—such as adjusting star/bullet layout without removing content.

After the transcripts are converted into structured takeaways, the creator adds a personal “prompt guide” (10 tips) and consolidates everything into a single Markdown file. That file is uploaded to Google NotebookLM, where the system generates multiple outputs from the same sources: a text summary, FAQ-style Q&A, and—most notably—an “audio overview.” The audio overview is described as a lively, discussion-like deep dive that summarizes key topics from the uploaded material. The creator downloads the audio, adds captions, and listens to the first minutes to validate the result.

Model choice is treated as task-dependent rather than one-size-fits-all. The workflow uses OpenAI o1 preview for extracting takeaways from long transcripts, while Cursor 3.5 Sonnet is used for everyday rewriting and cleanup. The transcript also includes a comparison: o1 models are positioned as strong for large-scale coding and high-output tasks (with a cited 64k output capacity for o1 mini), while Claude 3.5 is framed as better for day-to-day coding work like debugging, code completion, and iterative refinement. Cursor AI’s value is presented as the ability to switch models smoothly so the right tool can be used for each step.

In short, the core insight is that “AI voice” and “AI learning” become far more useful when they’re built on a repeatable pipeline: research → transcription → structured extraction → formatting → NotebookLM audio. The end product isn’t just text—it’s a reusable, podcast-style briefing that can help someone learn from multiple sources while reducing manual summarization work.

Cornell Notes

The workflow chains several AI tools to convert research and video content into structured notes and then into an audio “podcast” summary. Perplexity supplies raw guidance, Cursor rewrites it into clean Markdown using diff-based edits, and a Python script uses Whisper to transcribe YouTube videos into text. OpenAI’s o1 preview extracts key takeaways from multiple transcripts (using XML-tagged prompts), and Cursor formats the results for readability. Finally, Google NotebookLM ingests the consolidated Markdown file and generates outputs including an audio overview, plus text summaries and FAQs. The approach matters because it turns unstructured material into reusable learning assets—readable and listenable—while letting model choice vary by task.

How does the workflow turn messy research into a usable document inside Cursor?

It starts with Perplexity output, then pastes the content into Cursor as a Markdown file. Cursor is used to rewrite the text into a more structured format and remove fluff, with diff-style changes so the user can review what changes before accepting. The creator also uses Cursor’s editing workflow (selecting all, running a rewrite prompt, and accepting the diff) to produce a clean first draft that includes suggested questions.

What’s the purpose of transcribing YouTube videos, and how is it done?

Transcription converts unstructured video audio into text that can be summarized and compared across sources. The workflow uses a Python script that takes a YouTube URL, fetches the video, and runs Whisper to transcribe it into Markdown-friendly transcript text. The user saves each transcript separately (e.g., transcript one and transcript two) so both can be processed together later.

How are key takeaways extracted from multiple transcripts?

The transcripts are fed into OpenAI’s o1 preview model with a prompt that instructs extraction of the most important takeaways. The prompt uses XML-style structure (XML tags are mentioned as a technique for clarity), and the user supplies transcript one and transcript two as inputs. The output is then copied back into Cursor for formatting and readability improvements.

Why does the workflow include a formatting pass in Cursor after OpenAI extraction?

OpenAI’s extracted takeaways may be accurate but not optimally readable. Cursor is used to adjust layout—such as reducing or reorganizing star/bullet formatting—while keeping all content. The creator emphasizes “don’t remove any content” during cleanup, then accepts the revised version to produce a final, consistent Markdown document.

What does NotebookLM add once all sources are consolidated into one file?

NotebookLM generates multiple derivative outputs from the same uploaded Markdown: a text summary, FAQ-style Q&A, and an audio overview. The audio overview is highlighted as the most impressive feature—described as a lively, discussion-like deep dive that summarizes key topics from the sources. The creator then downloads the audio and adds captions to turn it into a podcast-style listening experience.

How does the workflow decide between different AI models?

Model selection is treated as task-dependent. o1 models (including o1 mini) are positioned as strong for large-scale coding and high-output tasks, while Claude 3.5 is framed as better for day-to-day coding needs like debugging, code completion, and iterative refinement. The workflow also uses Cursor 3.5 Sonnet for routine rewriting and cleanup, while o1 preview is used for extracting takeaways from long transcripts. Cursor AI is presented as a way to switch models seamlessly during the pipeline.

Review Questions

  1. When would you choose Cursor for rewriting versus OpenAI o1 preview for extraction in this pipeline?
  2. Why does the workflow consolidate everything into a single Markdown file before uploading to NotebookLM?
  3. What role do XML-style structure and diff-based edits play in improving the quality of AI outputs?

Key Points

  1. 1

    Use a repeatable chain—Perplexity → Cursor rewriting → Whisper transcription → OpenAI extraction → Cursor formatting → NotebookLM audio—to turn unstructured material into structured learning assets.

  2. 2

    Transcribe YouTube videos with a Python + Whisper script so video content becomes text that can be summarized and compared across multiple sources.

  3. 3

    Extract key takeaways from multiple transcripts using OpenAI o1 preview, then run a formatting/cleanup pass in Cursor to improve readability without deleting content.

  4. 4

    Leverage Cursor’s diff-based editing to review changes before accepting them, reducing the risk of unwanted edits.

  5. 5

    Consolidate transcripts, extracted takeaways, and a personal prompt guide into one Markdown file to feed NotebookLM consistently.

  6. 6

    Generate multiple outputs from NotebookLM—text summary, FAQs, and especially an audio overview—to support both reading and listening learning styles.

  7. 7

    Choose AI models by task: o1 for larger-scale/high-output work, Claude 3.5 for iterative day-to-day coding, and Cursor 3.5 Sonnet for routine rewriting and cleanup.

Highlights

NotebookLM can turn a single uploaded Markdown file into an “audio overview,” producing a podcast-like discussion of the key topics from the sources.
A practical pipeline converts YouTube videos into transcripts via Whisper, then extracts takeaways with OpenAI o1 preview, and finally formats them in Cursor.
Cursor is used as more than a chat tool—its file editing and diff-based rewrites help produce consistent Markdown outputs.
Model choice is framed as task-specific: o1 models for heavy lifting and large outputs, Claude 3.5 for everyday coding, and Cursor 3.5 Sonnet for day-to-day editing.

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