How to synchronize audio with video in a (S)VCD movie?

[F u r u y á]

Most of (S)VCD movies I download comes with audio not synchronized from video. Once the movie is already in VCD format, I don't know how to synchronize the audio with video. I know to do it when I will create a (S)VCD from an .avi file. But with an VCD movie I don't know.


Thanks in advance

[adam]

There are certainly alot of badly encoded files floating around on the internet, but the fact that you say that most files are desynced makes me think the problem is on your end. What mpeg2 decoder do you have installed? For a long time I had desynced SVCDs on my pc too until I realized that the problem was just with the Elucard mpeg2 decoder. Try just burning one of these SVCDs and testing on your standalone DVD player. Chances are it will be in sync.

[F u r u y á]

It was just I have done, I burn the VCD to watch in my standalone DVD and the movie remains desynced. So it's possible that the problem isn't in my mpeg2 decoder?

My mpeg2 decoder is InterVideo Video Decoder (from WinDVD).


Thanks

[MOVIEGEEK]

Use IsoBuster and locate AVSEQ01.DAT on the VCD->right-click and select "Extract but filter to MPEG...." to convert to MPEG-1.
Then use TMPGEnc to encode,it allows you to adjust the synch.

[F u r u y á]

Alright, I will try to do it

[johns0]

Extract the mpg's from the s(vcd) and use tmpgenc tools to simple demultimplex and then use bbMPEG to remux,bbMPEG also lets you adjust the audio/video delay so you can get the mpg back in sync.

[MOVIEGEEK]

Beleive me TMPGEnc will if you use the method in my first post.

[F u r u y á]

I tried to do it but IsoBuster's procedure results in an invalid .mpg file, and TMPGEnc refuses to open that file. IsoBuster has option to open image file only and my VCD movie is a .mpg file.

[F u r u y á]

Extract the mpg's from the s(vcd)

How to do it?

edit: I used TMPGEnc => simple de-multiplex with the vcd file, it resulted in 2 files, a .m1v and .mp2, the extract was correctly done?

[F u r u y á]

Extract the mpg's from the s(vcd) and use tmpgenc tools to simple demultimplex and then use bbMPEG to remux,bbMPEG also lets you adjust the audio/video delay so you can get the mpg back in sync.

In bbMPEG has no options to add audio file, how to remux the two video and audio files?

[F u r u y á]

The file I've downloaded has no bbmpeg.exe file, is that correct?

[adam]

https://www.videohelp.com/guides.php?guideid=210&howtoselect=5;18#210

There is a guide for multiplexing with bbmpeg. The executable for the program is named avi2mpg2.exe, so your fine. I see you are running Win XP so make sure you install the XP patch for bbmpeg first...just do a web search for it.

Your video stream is named .m1v. That's strange because that is the extention for mpeg1 video not mpeg2, which is what a SVCD uses. I never really use TMPGenc anymore so mabye that's just how it tagged it, but you may have an mpeg1 file authored as a SVCD. That would certainly explain sync problems. I'd check out the stream in VirtualDubMod by hitting file/file information. Find out exactly what you dealing with so you know how to properly multiplex it in bbmpeg. Whether it is mpeg1 or mpeg2, and what its bitrate is will make a difference on the mux rate you need to use.

[F u r u y á]

Thanks adam, now I did it.

I de-multiplexed the file in TMPGEnc then I used the tutorial you suggested. In bbMPEG I set up Start up delays (audio 300ms earlier then video) and that solved the problem. I also used a program called SyncView Alignment Tool, a nice program too