[FFmpeg-user] Changing video speed

[Carl Eugen Hoyos]

2019-01-19 22:55 GMT+01:00, JD <jd1008 at gmail.com>:
> I have a video that was sped up and now the voice is like
> that of cats in cartoons.
> How can I at least lower the pitch back to normal?
> Since the whole video was sped up, I would rather
> slow down the whole video (video and audio) AND lower
> the pitch back to near normal?

Look at the documentation for the setpts filter:
https://ffmpeg.org/ffmpeg-filters.html#setpts_002c-asetpts

Carl Eugen