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Synchronize audio and video with FFmpeg - Geeky Hacker
https://www.geekyhacker.com/2020/05/17/synchronize-audio-and-video-with-ffmpeg/#:~:text=Synchronize%20audio%20and%20video%20with%20FFmpeg%201%20Fixing,we%20pass%203%20to%20-itsoffset.%20...%204%20Source
Can FFmpeg Sync Audio And Video? Solved!
https://videoconverter.wondershare.com/sync-audio/ffmpeg-sync-audio-and-video.html
FFmpeg synchronize audio and video delay can be solved by the method followed in this article. Follow the step-by-step guidelines to tackle the issue. 1. Correct FFmpeg Sync Audio to Video That is Too Fast or Slow. You can easily do this by using the -async parameter of FFmpeg, which, as per the documentation "Stretches/squeezes" enables the sound stream to match the …
Audio Video Sync With ffmpeg - Stack Overflow
https://stackoverflow.com/questions/13902507/audio-video-sync-with-ffmpeg
ffmpeg -i input.avi -vn -ac 2 -ar 48000 -ab 448k -f mp3 audio.mp3. Then you need to divide the whole length of the video file (in seconds) by the actual length of the video stream (the time when the video stops and you can just hear the audio). You should get a number a little above 1 (1.12 or something like that).
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/
file 0 points to stream 1 (audio). So I changed the location of itsoffset and the mapping. ffmpeg -i clip.mts -itsoffset -2.0 -i clip.mts -vcodec copy -acodec copy -map 0:1 -map 1:0 delay4.mts. This one adjusts the video forward 2 seconds rather than delaying the audio, but accomplishes the same thing.
GitHub - jhpark16/Video-Audio-Sync-for-FFMPEG: For …
https://github.com/jhpark16/Video-Audio-Sync-for-FFMPEG
Video Audio Sync for FFMPEG. For high audio quality, sound is separately recorded with an audio recorder when video is taken. So, it is necessary to synchronize the video with the audio. This application reads multiple MTS (common camcorder recording format) and a MP3 file using FFMPEG library and and present them as wave forms for easier alignment.
FFmpeg concat video and audio out of sync - Stack …
https://stackoverflow.com/questions/35416110/ffmpeg-concat-video-and-audio-out-of-sync
For me, the solution was to add the audio filter option -af aresample=async=1000 to the ffmpeg command, which I found as an example in the ffmpeg online documentation and used verbatim. I don't know if this setting is optimal, but the result was a mp4 with audio and video remaining synchronized when played by both iOs and VLC.
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/
file 0 points to stream 1 (audio). So I changed the location of itsoffset and the mapping. ffmpeg -i clip.mts -itsoffset -2.0 -i clip.mts -vcodec copy -acodec copy -map 0:1 -map 1:0 delay4.mts. This one adjusts the video forward 2 seconds rather than delaying the audio, but accomplishes the same thing.
Audio video sync : ffmpeg - reddit
https://www.reddit.com/r/ffmpeg/comments/d0i18n/audio_video_sync/
Audio video sync : ffmpeg. I'm trying to download a video (I've got the direct link). I used the following line: ffmpeg -ss 01:08:45.00 -i [direct link] -t 00:35:55.00 -c copy …. Press J to jump to the feed. Press question mark to learn the rest of the keyboard shortcuts. Search within r/ffmpeg. r/ffmpeg. Log InSign Up.
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