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Audio and video out of sync when using mkvmerge - Super User
https://superuser.com/questions/316924/audio-and-video-out-of-sync-when-using-mkvmerge
Here is a simple workflow: Find out how much out of sync it is with VLC player by using j and k buttons. Download mkvtoolnix and click on add file. Add your video file. When added, click on the audio file and now you can add your delay. Simply put, use - or + and... Press mux now. Done :)
How to Prevent MKVMerge adding a delay? - VideoHelp Forum
https://forum.videohelp.com/threads/367447-How-to-Prevent-MKVMerge-adding-a-delay
There's no such thing as negative delays in MKVs. If you mux audio using a negative delay, MKVMergeGUI actually removes an appropriate amount from the beginning instead (or as close as it can) which is fairly normal when muxing. If MediaInfo is reporting a negative audio delay for an MKV it probably means the video has a positive delay. I don't why, …
mkvmerge: Detecting audio delay and applying same …
https://www.reddit.com/r/mkvtoolnix/comments/9m60lw/mkvmerge_detecting_audio_delay_and_applying_same/
This corresponds to a delay of 1500ms. This delay will be used instead of the non-AC-3 data. mkvmerge is absolutely doing the correct thing with this delay. Tested, and the audio is in sync with the video. Trouble is, the newly added subtitle track is coming in too early.
audio - How to force A/V sync using mkvmerge and …
https://stackoverflow.com/questions/43359375/how-to-force-a-v-sync-using-mkvmerge-and-external-time-codes
In discussion with the author of mkvmerge I did determine the following answers: It would be best to fit the sync the video to the audio as some players use the audio timestamps (timecodes) as reference, and video is easier to slow down and speed up by players than audio. There is no single packet size for audio.
Fix Audio Delays Permanently Using VLC & MKVToolNix
https://www.hecticgeek.com/fix-audio-delays-vlc-mkvtoolnix/
Fix Audio Delays Permanently Using VLC & MKVToolNix Step 1:. So open your ‘troublesome’ file in VLC, and let it play for a few seconds. Then simply press the ‘j’ key on... Step 2:. Now open ‘MKVToolNix’ and load the ‘troublesome’ file into it. Then under ‘Tracks, chapters and tags’ field,... Step ...
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/
First, determine how long the lead-in is with whichever player you prefer. Then select that audio track in MKVToolNix GUI & enter the length in negative milliseconds. For example, if the lead-in is 48 seconds long you'd enter -48000. Then start multiplexing. What MKVToolNix will do is add that "delay" value to each timestamp of that track.
Help - Sync separate audio track with mkv file - Original ...
https://originaltrilogy.com/topic/Help-Sync-separate-audio-track-with-mkv-file/id/76289
Go back to your mux’ing software (TSMuxer or MKVToolNix) and find the delay feature. Load the same video and audio streams. If your remixed video has the sound before the actual time (ex. you hear spoken words before the lips move), then in the muxing software select the audio stream and apply a value in the delay box. Start off with a value of 100.
How To Sync Your MKV Movie Using MKVToolNix - …
https://www.youtube.com/watch?v=FKGTTjhRcYo
This will show to you how to adjust or sync your mkv file (video and audio).Download MKVToolNix @ http://www.bunkus.org/videotools/mkvtoolnix/downloads.html
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