[FFmpeg-user] Possible to speed up/down video while keeping audio pitch?

[Michael Koch]

Am 24.03.2024 um 23:30 schrieb Bo Berglund:
> But is it possible also to modify an mp4 video file to *play* faster/slower than
> original while keeping the accompanying audio pitch the same?

It's possible to change audio length, sample rate and pitch, and also 
all combinations of these three parameters.
See chapter 3.7 in my book:
http://www.astro-electronic.de/FFmpeg_Book.pdf

Michael