@davidrevoy May I ask, why, given you are adding subs, don't just speak in French? (If that is more comfortable for you to talk) It would sound awesome.
@davidrevoy may be you could just try once each teen videos or something like that, testing is always a good practice for freedom.
@eloyesp I'm making these videos for digital artists; and I know many of them listen this type of videos while practising drawing; sometime they pause or watch the screen to see something they don't know or rewind on it. If the videos were in French; I'm not sure it would work the same for most of my audience (French audience would probably be pleased by this change, sure). I haven't tested; but all my first videos had only subtitle and no text; and they were difficult to read/follow.