Language Shadowing with subed in Emacs

So I'm trying to improve my English speaking skill by shadowing while watching TV episodes. The workflow before was to loop over video clips using mpv: hit l to mark the start of the loop play the video and wait for it to be at the end of the loop hit l again to mark the end Then mpv will loop over the clip, it basically works, but it's a bit hard and tedious to set the start and end precisely. [Read More]