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- Wed Jun 12, 2019 12:42 pm
- Forum: Usage
- Topic: Sync issue slowing down a video and audio mp4 file
- Replies: 0
- Views: 395
Hi, I need to slow down a bit a video and audio mp4 file. Looked at the page https://trac.ffmpeg.org/wiki/How to speed up / slow down a video I'm able to slow down a video-audio by the half of the original speed using the command ffmpeg -i input.mkv -filter_complex "[0:v]setpts= 2.0 *PTS[v];[0:a]ate...