I wrote about my process for publishing annotated versions of my talks - like my recent talk on LLMs - and shared a new tool I built to help with that progress, allowing me to OCR my slides for alt= attributes and type up annotations for them in Markdown

https://simonwillison.net/2023/Aug/6/annotated-presentations/

How I make annotated presentations

Giving a talk is a lot of work. I go by a rule of thumb I learned from Damian Conway: a minimum of ten hours of preparation for every one …

Simon Willison’s Weblog
@simon Depending on your needs, if you have the video file it might be worth experimenting with using whisper.
@iwootten yeah I often run audio for these things through MacWhisper - my GitHub Actions transcription thing can do that too https://simonwillison.net/2022/Sep/30/action-transcription/
A tool to run caption extraction against online videos using Whisper and GitHub Issues/Actions

I released a new project this weekend, built during the Bellingcat Hackathon (I came second!) It’s called Action Transcription and it’s a tool for caturing captions and transcripts from online …