I have no other applications running when burning except for my anti-virus. Yes, the audio IS in sync in the original videos and everything sounds and looks great in the preview. You might consider posting your computer specs in your signature by going to My Controls and using the menu to the lower left to type in your specs. You can then add that mpg2 video to the other mpg2's. You might try using VideoWave to encode that mpg4 file to mpg2 by clicking on the icon that looks like a film reel and selecting mpg2 for DVD best quality. That mpg4 video would have to be encoded to mpg2 so you will see a jerky preview of that in the window but I doubt if that is the reason for out of sync. Since the mpg2 are already DVD ready, you should see a gray window with mpg2 showing. You do this so that the computer doesn't have to encode and burn at the same time. Also do not burn directly to disc, burn to an iso (image file) and then copy the iso file to your disc using Disc copier or Creator Classic. Please post your computer specs, clean up old files and programs, defrag your hard drive, disconnect from the internet and shut down your anti-virus, anti-malware and all other running programs (don't play free cell when the computer is working on video rendering/encoding). Out of sync problems are common with slower computers (you didn't post your specs so I'm guessing ), "dirty" computers, or computers that are trying to do too many things at once. Some of the files in the project are mpeg2 and one is mpeg4, could this be the issue? I've re-tried many times from scratch and the problem persists. When I burn a disc the audio gets out of sync with the video somewhere near the middle of the production. I've edited video in VW, created DVD project in MyDVD and all seems fine. I have to wonder whether the reversal of interlaced field order by MyDVD might not be the source of the problem, and I wonder why it does this?īTW, I was able to correct the sync in the MyDVD ISO by introducing a compensating shift in the input file using VideoReDo. I have to conclude from this that MyDVD is the cause of the audio sync problem. vob ripped from the MyDVD ISO is interlaced but is BFF (bottom field first). vob ripped from the DVDStyler ISO is interlaced, TFF.ħ. mpg out of gui4ffmpeg is interlaced, TFF.Ħ. Using gspot, the source files are interlaced, TFF (top-field first).ĥ. iso files, the sync problem does appear when the MyDVD version is played in a software player.Ĥ. The sync problem does appear in either PowerDVD playback of the ISO or on actual standalone DVD playback.ģ. The sync problem does not exist in the source files.Ģ. The problem does not exist on the DVDStyler version.ġ. I have one test clip for which the MyDVD version video lags audio by about 200 msec, i.e., just noticeable. Input file to gui4ffmpeg (free encoding software from ). Burn to ISO (then burn to DVD and/or view in PowerDVD).ġ. Set project settings to 720x480, 4 Mbps, Interlaced, AC3 audio 448 kbps.Ĥ. tivo, sometimes also do a "Quick Stream Fix".ģ. I create D1 NTSC DVD's (720x480, 4000 kbps bitrate, AC3 audio) starting with "medium" TiVo files (352x480 MPEG2, 2700 kbps, mp2 audio) I have two process paths to do this:ġ. I have an audio sync case to add to this thread:
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