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FFmpeg concat video and audio out of sync - Stack Overflow
https://stackoverflow.com/questions/35416110/ffmpeg-concat-video-and-audio-out-of-sync#:~:text=The%20audio%20stays%20in%20sync%20as%20ffmpeg%20does,encoding%20results%20in%20a%20slowly%20increasing%20sync%20issue.
Ffmpeg - Audio synch problem after cutting the video ...
https://stackoverflow.com/questions/69480673/ffmpeg-audio-synch-problem-after-cutting-the-video-debian-server
I am having (apparently random) problems with ffmpeg when cutting and joining some video clips on our Debian server. The audio of the video we generate by joining different clips is out-of-synch, even though nor the original one, not the generated clips are not. This happens with ffmpeg version 3.2.15-0+deb9u4.
linux - ffmpeg: problems when copying the audio - Unix ...
https://unix.stackexchange.com/questions/40577/ffmpeg-problems-when-copying-the-audio
When I run this ffmpeg -i video.mp4 -codec copy video.avi I get a broken audio: a crackling like a stuck LP. The input-audio is aac. When I re-encode the audio like this ffmpeg -i video.mp4 -codec:v:0 copy video.avi the audio in the out-file works.. What could be the reason for the problems, when copying the audio?
(FFmpeg) How to normalize audio? - John Riselvato
http://johnriselvato.com/ffmpeg-how-to-normalize-audio/
If this is starting to feel complex, don’t worry, here’s the recommended settings for normalizing audio with loudnorm: $ ffmpeg -i input.mp3 -af loudnorm=I=-16:LRA=11:TP=-1.5 output.mp3 . Tip: The above example has been found all over the internet, without a clear identity of who invented these exact variables. Play around with the values to get a sound you prefer.
ffmpeg audio codec problem - HydrogenAud
https://hydrogenaud.io/index.php?topic=102007.0
ffmpeg audio codec problem; Notice Please note that most of the software linked on this forum is likely to be safe to use. If you are unsure, feel free to ask in the relevant topics, or send a private message to an administrator or moderator.
ffmpeg - Trim audio file using start and stop times - Unix ...
https://unix.stackexchange.com/questions/182602/trim-audio-file-using-start-and-stop-times
I have an FFmpeg command to trim audio: ffmpeg -ss 01:43:46 -t 00:00:44.30 -i input.mp3 output.mp3 The problem I have with this command is that option -t requires a duration (in seconds) from 01:43:46. I want to trim audio using start/stop times, e.g. between 01:43:46 and 00:01:45.02. Is this possible?
Fixing weird Audio Problem : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/cce52u/fixing_weird_audio_problem/
The problem I'm seeing is in the variability of the PTS timestamps and trying to match up detected LTC frames with video frames. I should note I'm handling all of the mpeg-ts demuxing, Adts, NAL parsing etc so I'm only calling ffmpeg to decode the audio and video frames.
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
How to Fix ffmpeg audio sync problems in Linux - YouTube
https://www.youtube.com/watch?v=ghwg_WNz4xo
ffmpeg -f alsa -ac 2 -i default -f x11grab -r 15 -s $(xwininfo -root | grep 'geometry' | awk '{print $2;}') -s 1366x768 -i :0.0 -acodec pcm_s16le -vcodec lib...
audio is out of sync after conversion with ffmpeg ...
https://forum.videohelp.com/threads/354830-audio-is-out-of-sync-after-conversion-with-ffmpeg
A compromise is to use no bframes (sequence would be IPPPPP) -bf 0 in ffmpeg. ffmpeg input.avi -vcodec libx264 -preset medium -crf 15 -bf 0 -acodec copy output.avi. This way you avoid the b-frames in AVI problems, but at least …
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