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MKVMerge problem , audio out of sync - says This AC3 track ...
https://forum.videohelp.com/threads/334128-MKVMerge-problem-audio-out-of-sync-says-This-AC3-track-contains-227-byt
Sometimes for whatever reason the audio is out of sync. So if that happens. I just use MKVtoolnix to merge the .m2v file and the .ac3 track all together to make a mkv (I extract the .m2v and .ac3 using pgcdemux ).
[Matroska-users] MKVMerge VFR Audio Sync Problem
https://lists.matroska.org/pipermail/matroska-users/2007-March/001280.html
The audio stays at the same rate for the duration of the individual clips, but gets progressively more out of sync at each successive merge point. This is what I _think_ is happening, but my most recent test till shows some discrepancy: I have two, plain color constant tone 5s long video clips.
[Matroska-users] sync issue with mkvmerge-3.3.0
https://lists.matroska.org/pipermail/matroska-users/2010-April/002019.html
I have a couple of AVI files that a simple mkvmerge has horrible AV sync issues with, while 3.2.0 works fine. I am using Debian testing, nearly at head, with mkvtoolnix coming from bunkus.org The usage is just: mkvmerge output.mkv input.avi On a 73 second sequence, the video plays fast and finishes in about 60 seconds while the audio finishes in the normal 73 seconds.
Fix Audio Delays Permanently Using VLC & MKVToolNix
https://www.hecticgeek.com/fix-audio-delays-vlc-mkvtoolnix/
In any case, there are few other tools that you can try while trying to fix a sync ‘malfunction’, and ‘MKVToolNix’ is one among them. Illustration … ‘MKVToolNix’ is not an encoder as you can only use it to ‘extract’ audio/video/subtitle tracks from other containers (MP4, AVI, FLV etc) and put them into the powerful and open ...
MakeMKV vs DVDfab : Problem Splitting with MKVmerge - www ...
https://forum.makemkv.com/forum/viewtopic.php?f=1&t=1901
This flow produces good audio sync: DVDfab --> MKV --> MKVmerge 4.3 (timecode split, header-compression off) --> 3 MKV files DVDfab --> MKV --> MKVmerge 4.0 (timecode split) --> 3 MKV files Here are some notes and observations: 1. The audio sync problem only occurs when the playback device is a WDTV. The short clips play fine on a Windows 7 PC ...
MKV Muxing Audio Out-of-Sync with Video | AfterDawn ...
https://forums.afterdawn.com/threads/mkv-muxing-audio-out-of-sync-with-video.647487/
OKAY, now that the background info has been established: What I want to do is take one audio stream from MKV File #2, and mux it with the video from MKV File #1. Using a program called "mkvmerge GUI," I was able to do this. But, the audio is out-of-sync (perhaps progressively) with the video.
mkvmerge -- Merge multimedia streams into a Matroska file
https://mkvtoolnix.download/doc/mkvmerge.html
$ mkvmerge -o MyMovie-with-sound.mkv MyMovie.avi MyMovie.ogg. If your AVI already contains an audio track then it will be copied as well (if mkvmerge (1) supports the audio format). To avoid that simply do $ mkvmerge -o MyMovie-with-sound.mkv -A MyMovie.avi MyMovie.ogg
Stretch or shrink audio tracks · Wiki · Moritz Bunkus ...
https://gitlab.com/mbunkus/mkvtoolnix/-/wikis/Stretch-or-shrink-audio-tracks
Use mkvmerge's --sync option or MKVToolNix GUI's corresponding controls delay and stretch by. For example, if your movie is 2h long and your audio track with the track ID 1 is too short by 30s, you can stretch it by the factor movie_length / audio_length or the equivalent movie_length / (movie_length - audio_too_short) .
how to sync audio w/ mkvtoolnix? : mkvtoolnix
https://www.reddit.com/r/mkvtoolnix/comments/kzzw1k/how_to_sync_audio_w_mkvtoolnix/
In MKVToolnix GUI, you would load the file, select the track, and in the Properties panel on the right-hand side, add the appropriate negative value to the "Delay" field. Alternatively you can do it manually with the sync command. -y, --sync TID:d [,o [/p]] Adjust the timestamps of the track with the id TID by d ms.
Audio out of sync after remuxing : mkvtoolnix
https://www.reddit.com/r/mkvtoolnix/comments/aoajmc/audio_out_of_sync_after_remuxing/
Audio out of sync after remuxing. This problem has plagued me since forever. I have Bluray to MKV rips with multiple language tracks. If I remux them and exclude the non-English tracks, the audio becomes ever so slightly out of sync. It's a split second delay, but noticeable.
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