Deep-dive essays about invisible infrastructure, engineering, and the systems beneath everyday technology. https://blog.seanslab.org/ 2026-06-09T00:00:00.000Z Sean Songsean.sp.song@gmail.com https://blog.seanslab.org/posts/docknote-your-private-meeting-intelligence/ 2026-06-09T00:00:00.000Z

A field note on building meeting intelligence that keeps raw audio and private context under the user's control.

https://blog.seanslab.org/software-engineering-from-bit-exact-to-llm-probability/ 2026-06-07T00:00:00.000Z

What an engineer trained to make every output deterministic learns when software starts answering in distributions.

https://blog.seanslab.org/posts/audio-codecs-fifty-years-of-cutting-sound-into-numbers/ 2026-06-06T00:00:00.000Z

How a Bell Labs idea, one obsessive listening test, and a royalty-free upstart quietly ended a fifty-year codec war.

https://blog.seanslab.org/posts/your-dna-is-slower-than-dial-up-and-thats-what-keeps-you-being-you/ 2026-04-19T00:00:00.000Z

Bandwidth is not just an internet problem. It shapes language, memory, biology, and the distance a whale can sing.

https://blog.seanslab.org/posts/webrtc-the-protocol-that-made-the-browser-a-phone/ 2026-04-13T00:00:00.000Z

How a $68 million acquisition, a codec war, and a decade of standards work made real-time video native to the web.

https://blog.seanslab.org/posts/ffmpeg-the-code-that-runs-every-video-on-earth/ 2026-04-12T00:00:00.000Z

The wild story of the people who built the invisible plumbing of the multimedia world.

https://blog.seanslab.org/posts/i-vibe-coded-a-vibe-code-microphone-for-vibe-coding-on-spotify-car-thing/ 2026-04-07T00:00:00.000Z

A discontinued dashboard gadget, an open-source jailbreak, and an experiment in giving old hardware a new job.

https://blog.seanslab.org/posts/vibe-coding-for-embedded-systems/ 2026-02-24T00:00:00.000Z

What changes when AI-assisted coding leaves the browser and meets registers, timing, memory limits, and real hardware.

https://blog.seanslab.org/remarkable-paper-pro-move/ 2026-01-01T00:00:00.000Z

Thanks to the community for RPPM reviews, I made a quick decision and I'm lucky to have my RPPM 1 day before my Tokyo trip.I quickly set it up, and upload a couple ebooks (both PDFs and ePubs) and then get on the plane.

https://blog.seanslab.org/coc-a-cup-of-culture/ 2025-07-01T00:00:00.000Z

I’m an international business man, I’m always fascinated about destination local cultures, the Italian noodle types, the Japanese famous people names… I build this for sips of cultures, with the power of AI.

https://blog.seanslab.org/tips-for-vibe-coding/ 2025-07-01T00:00:00.000Z

This is an update-as-vibe-code-along article.

https://blog.seanslab.org/ppnotes/ 2025-06-24T00:00:00.000Z

PP = Personal & Private

https://blog.seanslab.org/reading-notes-with-hidock-p1/ 2025-06-22T00:00:00.000Z

How to use HiDock P1 Whisper mode for reading a book? And how to build the HiNotes Whisper mode to empower book readers?

https://blog.seanslab.org/shoe-dog-raw-whispers/ 2025-06-22T00:00:00.000Z

May, 2025, waiting for flying to SFO. An idea came to me, why not trying to use HiDock Whisper mode to read a book, log all my thoughts? I found one of my favorite book in the store, then I just started.

https://blog.seanslab.org/started-vibe-coding/ 2025-06-22T00:00:00.000Z

Yes, I heard “Vibe Coding” months ago, but never get a chance, actually motivation, to try.