[FFmpeg-user] Converting text to video for dictation

[Michael Koch]

Am 20.10.2020 um 06:46 schrieb John B Morris:
> Hello all,
>
> typography effects based video
> So that one is basically what I'm looking to do with ffmpeg - turn a
> subtitle file (of any type) into a transparent backgrounded (?) video for
> use in my video editor to combine the necessary contents together - or some
> other file/method that has/involves time stamps/tags or "keyframes". Since
> I don't intend to use my voice in my videos, I "voice" them via text
> elements either in the center of the screen or some other places where it
> makes sense to do so. (I do this with my current video editor already, but
> it isn't very efficient, time and complexity wise, especially for videos
> that heavily rely on this... so hopefully ffmpeg can help with that?) Also
> if possible (not needed), font and color changing, and maybe some movement.
>
> Maybe subtitles in the future, but I sort of already know how to do those,
> however the first point would be good to know.

I don't yet understand why you want to create a video with transparent 
background. I think that can be done, but I don't have an example ready.
It seems easier to write the texts/subtitles directly into the final 
video. You find a few examples in chapters 2.118 and 2.119 of my book:  
http://www.astro-electronic.de/FFmpeg_Book.pdf

Michael