Check out Firepad. The right way to do this is to have a real-time database that synchronizes all data and have each client listen to updates and rerenders accordingly. Source: about 2 years ago

This is a collaborative code editor I built in a week, after being frustrated with existing solutions like Firepad (unmaintained project, locked to Firebase, lack of customization). The server has operational transformation control algorithms implemented in async Rust with warp's WebSockets and tokio. The TypeScript client interfaces with Monaco & also has some Rust code for the text transformation step, which is... Source: about 3 years ago

There's dozens of tools out there for this these days. I'd recommend sonix.ai they give you 30 minutes free. Source: 12 months ago

Do you have a budget? If so, there's this tool I've worked with called Sonix that generates transcripts of what you feed into it. It's not super accurate, but it's good enough. One of the features is that you can "highlight" chunks of text, and have it spit out an XML that will have a sequence containing only the highlighted text. Source: about 1 year ago

Sonix was the one I used because it had 30 free minutes and the video was only 10-11 minutes long. It seems to have done a really decent job, but not sure if that's because the source audio is pretty clear. Source: over 1 year ago

Sonix.ai does many languages and is quite good. Source: over 1 year ago

I am struggling with this as well, but one good tool for me has been sonix.ai, which can transcribe pretty well (posted a little while ago about it). Source: about 2 years ago