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Can FFmpeg Sync Audio And Video? Solved!
https://videoconverter.wondershare.com/sync-audio/ffmpeg-sync-audio-and-video.html#:~:text=Correct%20FFmpeg%20Sync%20Audio%20to%20Video%20That%20is,the%20samples%20per%20second%20to%20fix%20the%20issue.
Can FFmpeg Sync Audio And Video? Solved!
https://videoconverter.wondershare.com/sync-audio/ffmpeg-sync-audio-and-video.html
1. Audio Too Slow or Fast It can simply be said that when playing a video, the audio either runs ahead of the video or... 2. Audio Is Ahead In the audio ahead of the video, the sound plays before the actions occur in the video. This issue can... 3. Audio Lags Behind
Correcting for audio/video sync issues with the ffmpeg ...
https://wjwoodrow.wordpress.com/2013/02/04/correcting-for-audiovideo-sync-issues-with-the-ffmpeg-programs-itsoffset-switch/
Correcting for audio/video sync issues with the ffmpeg program’s ITSOFFSET switch Posted on February 4, 2013 by W. Jason Woodrow The ffmpeg program has numerous “switches” that help to adjust and convert audio and video files.
Correcting for audio/video sync issues with the ffmpeg ...
https://tdngan.wordpress.com/2015/10/13/correcting-for-audiovideo-sync-issues-with-the-ffmpeg-programs-itsoffset-switch-2/
But sometimes during a conversion to another file format (such as mp4), the audio and video will not remain in sync and the itsoffset switch can be used to adjust them. The itsoffset switch is nearly always used in conjunction with the “map” switch, since this tells ffmpeg which stream you want to affect, and what streams you wish to merge into a new output file.
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
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. Here is the command I am running: /opt/local/bin/ffmpeg -i complaint.flv -f mp4 -vcodec libx264 -acodec aac -copyts -strict experimental -fpre /opt/local/share/ffmpeg/libx264 …
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.
[SOLVED] ffmpeg audio/video sync issues - …
https://www.linuxquestions.org/questions/linux-software-2/ffmpeg-audio-video-sync-issues-4175481486/
The problem is the audio is out of sync right from the start (sound comes after the video). I can fix it temporarily using the -itsoffset option of ffmpeg, but after a while it just goes out of sync again. Tried writing to an mkv file instead of …
audio is out of sync after conversion with ffmpeg ...
https://forum.videohelp.com/threads/354830-audio-is-out-of-sync-after-conversion-with-ffmpeg
The underlying original audio sync problem is likely b-frames in AVI container . You can use b-frames, long gop and get better compression efficiency if you used other container... ( ffmpeg wont mux pcm in mp4, but ffmbc will)
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