Ffmpeg Audio Out Of Sync Mp4 | Audio-Digital.net

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ffmpeg is generating an out-of-sync audio/video file ...

https://stackoverflow.com/questions/8844460/ffmpeg-is-generating-an-out-of-sync-audio-video-file

Show activity on this post. I am trying to convert a flv video to mp4 using a264, but the result video has a out of sync audio/video. The audio seems ok but the video seems slow and therefore out of sync with the audio. Desktop /opt/local/bin/ffmpeg -i complaint.flv -f mp4 -vcodec libx264 -acodec aac -copyts -strict experimental -fpre /opt ...

ffmpeg - Audio and Video out of sync when slowing down ...

https://video.stackexchange.com/questions/28385/audio-and-video-out-of-sync-when-slowing-down

ffmpeg -i combinedfullspeed.mp4 \ -filter_complex "[0:v]setpts=1.25*PTS[v];[0:a]atempo=0.75[a]" \ -map "[v]" -map "[a]" slow3.mp4 However, the video and audio are way out of sync. Any idea why? ffmpeg. Share. Improve this question. Follow edited Sep 2 '19 at 19:13. MarianD. 1,285 2 2 gold ...

Long video ffmpeg transcode makes audio go out of sync ...

https://video.stackexchange.com/questions/25149/long-video-ffmpeg-transcode-makes-audio-go-out-of-sync

After trying a few random things, I managed to make the audio/video sync by changing the rate of the audio: ffmpeg -i witness.mov -af asetrate=48018 resampled.mkv The resampled.mkv has correct sync, but unfortunately the audio is shorter than the remaining video for a few seconds. Which means the problem is really that the frame rate is ...

FFMPEG Fix Audio Sync – Uly.me

https://uly.me/ffmpeg-fix-audio-sync/

If you have a video with audio sync issues, you can easily fix it using ffmpeg. It takes 2 inputs: the filename and delay: 0.100 is 100 ms or 0.1 seconds. Output file has -fixed appended to it. It’s fast. Only takes 2-3 seconds to process a 1.5 hour recording. Here’s the script.

Can FFmpeg Sync Audio And Video? Solved!

https://videoconverter.wondershare.com/sync-audio/ffmpeg-sync-audio-and-video.html

Part 1. Common Audio and Video Out of Sync Issues. Sound to-video synchronization (AV synchronization, otherwise called lip-sync, or by its absence: lip-sync blunder, lip fold) alludes to the overall planning of sound and video parts during creation, after creation (blending), transmission, gathering, and play-back handling.

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