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afterdawn.com > forums > digital video > video - software discussion > mkvextract gui problem
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MKVextract GUI problem
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jinroh
Newbie
_ 		13. November 2005 @ 09:08 _ Link to this message    Send private message to this user   
Hi, I'm using MKVextract GUI to extract the video, audio, and subtitle components of an mkv file. I'm doing this because virtualdubmod cannot work with mkv files that contain vobsubs, and the file I'm using contains vobsubs. So I open up my file (details below) and select the parts I want to extract. My problem is that the original video is 23:20 min long, but the extracted video is 23:26 min long. I've tried reinstalling and extracting several times, but the results are the same. I tried extracting a different mkv video, and the time actually matches. So my question is, how come the video file is longer than the actual input file? It's causing my video to be out of sync with the audio and subtitles.

Tracks / Attachments / Chapters / Tags:
Track ID 1: video (V_MS/VFW/FOURCC/DX50)
Track ID 2: audio (A_ACC/MPEG4/LC/SBR)
Track ID 3: audio (A_ACC/MPEG4/LC/SBR)
Track ID 4: subtitles (S_TEXT/ASS)
Track ID 5: subtitles (S_TEXT/UTF8)
Track ID 6: subtitles (S_VOBSUB)
Attachment ID 1398051976: true 'application/x-truetype-font',size 54108 bytes, file name 'augie
[ + quote]
jinroh
Newbie
_ 		13. November 2005 @ 14:30 _ Link to this message    Send private message to this user   
I've read some stuff about avisynth and mkv2vfr that can change the variable frame rate of an mkv to a constant one so that everything is in synce, but I have absolutely no idea how to use them. Could someone provide me with instructions to use them if they can in fact fix my problem.
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celtic_d
AfterDawn Addict
_ 		13. November 2005 @ 18:23 _ Link to this message    Send private message to this user   
Quote:
convertfps = false (in v2.56): It turns variable framerate video (vfr) into constant framerate video (cfr) by duplicating or skipping frames. This is useful when you want to open vfr video (for example mkv, rmvb, mp4, asf or wmv with hybrid video) in AviSynth. It is most useful when the fps parameter is set to the least common multiple of the component vfr rates, e.g. 120 or 119.880.
Taken from the AVISynth docs on directshowsource().
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jinroh
Newbie
_ 		13. November 2005 @ 18:25 _ Link to this message    Send private message to this user   
I am very new to video editing and have no idea how to use avisynth however. Could you please provide detailed instructions?
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