Consider https://github.com/leej3/video-transcriber

@leej3 is cooking up some helper which might get handy to complement or replace CCs we get/curate from youtube: https://github.com/leej3/video-transcriber . Review and try on some sample channels we have backed up like e.g. under https://datasets.datalad.org/?dir=/repronim/ReproTube/ to see if it would perform well etc