Audio out of sync.

[bobwonderful]

Audio out of sync.
I've tried several things:
DVD Ripped to File mode with DVD Decrypter
Then AutoGK to XVID. Audio is out of sync.

Then I tried a larger XVID to a 700MB XVID and it got the audio out of sync again. What gives?
I used the 2.45 release and 2.48 Beta. Both caused the audio to go out of sync on the newly created file.

I've used AutoGK about 6 months ago and had no problem. Unfortunately I don't remember which release it was and don't have a copy of the old install.

[mwvirk]

(got same problem) 1.86 beta version can solve this problem

[setarip_old]

@bobwonderful

Hi!

What is the Title and Region of your original DVD?

[bobwonderful]

One was just converting an existing Xvid from a 900MB size to 700MB.
The other one was region 2.

[setarip_old]

Please provide the other half of the answer - What is the Title and Region of your original DVD?

[bobwonderful]

Title: La Soupe Aux Choux.
Region: 2

The other video was an XVID which was a good video, however it was too long to fit on a CD for archival.

I tried to get AutoGK to compress it to a 700MB file instead of a 900MB file. After the compression, the audio was faster than the video by about one second or so.

[setarip_old]

I don't believe that this 2005 R2 release contained any special/newer copy protection that might have created the out-of-synch situation...

[bobwonderful]

I don't believe that this 2005 R2 release contained any special/newer copy protection that might have created the out-of-synch situation...

I wouldn't think so either. Plus it's doing it on a already good synched copy of an XVID already.

Is anyone else having the out of sync issue?

[bobwonderful]

Everything DVD Rip or XVID resizing with AUTOGK is out of sync. Is anyone else having this issue? Does anyone have a clue on why this is happening?
Is it a default setting in VirtualDub?

[budwzr]

Try uninstall/reinstall and delete all references to autogk in the registry. Don't forget to uninstall VobSub, VirtualDub, Avisynth, Xvid too.

In fact, this is the first thing you should do anytime a piece of software starts behaving differently for no reason. THEN start searching the boards.

Then post your problem.

Only until you have a verified clean install do you know if the problem is internal or external.

Good Luck

[bobwonderful]

Try uninstall/reinstall and delete all references to autogk in the registry. Don't forget to uninstall VobSub, VirtualDub, Avisynth, Xvid too.

In fact, this is the first thing you should do anytime a piece of software starts behaving differently for no reason. THEN start searching the boards.

Then post your problem.

Only until you have a verified clean install do you know if the problem is internal or external.

Good Luck

I did just that... Uninstalled everything reinstalled everything and still had that problem. On the DVDrip, I used DVD encrypter to extract to IFO and it seemed to work with AutoGK. Before I used the file extraction.

The problem now is the taking the 900 MB xvid avi file and recode it down to a 700 MB file. It still seems to convert it with the audio out of sync. Does anyone else have this issue with xvid shrinking?

[manono]

On the DVDrip, I used DVD encrypter to extract to IFO and it seemed to work with AutoGK. Before I used the file extraction.
Since it's well known that you decrypt using IFO Mode, I'm not sure why you were complaining about out-of-synch audio when you were clearly decrypting incorrectly. This problem has nothing to do with AutoGK. The same thing would have happened with any program. Do you know how to fix out-of-synch audio when it occurs? Doing so might be easier and faster than reencoding the whole thing.
The problem now is the taking the 900 MB xvid avi file and recode it down to a 700 MB file. It still seems to convert it with the audio out of sync.
Again, it's nothing to do with AutoGK. Let's assume for the sake of argument that you didn't create the source AVI yourself. And let's assume for the sake of argument that whoever did create it had a delay in there so the audio was in synch. Maybe he had decrypted using File Mode and had gotten out-of-synch audio as you did with the other one, and had fixed it himself. There's no way for AutoGK to know what that delay is. Again, fix it yourself. It's quite easy.

[bobwonderful]

Since it's well known that you decrypt using IFO Mode, I'm not sure why you were complaining about out-of-synch audio when you were clearly decrypting incorrectly. This problem has nothing to do with AutoGK. The same thing would have happened with any program. Do you know how to fix out-of-synch audio when it occurs? Doing so might be easier and faster than reencoding the whole thing.

IFO Mode acutally worked fine. It was the file mode which caused a out of sync problem. Bottom line AutoGK was designed for the people who don't really want to hassle with all of the different programs and is an all in one dvd to avi solution.

I don't know how to fix out of synch audio when it occurs, however hopefully I will learn sooner than later.


Again, it's nothing to do with AutoGK. Let's assume for the sake of argument that you didn't create the source AVI yourself. And let's assume for the sake of argument that whoever did create it had a delay in there so the audio was in synch. Maybe he had decrypted using File Mode and had gotten out-of-synch audio as you did with the other one, and had fixed it himself. There's no way for AutoGK to know what that delay is. Again, fix it yourself. It's quite easy.

Unfortunately... for sake of argument and in reality the AVI file was something which was not created by myself and the audio is in sync. The problem was when I tried to recompress (recode) the AVI file from a 800 MB file to 700MB files so I could archive it to CD. AutoGK recreated an out of sync AVI, which I don't think it should have done.

I have now learned how to use Virtual Dub and recompressed/recoded the file and the final AVI is sync'ed up properly.
I was using AUTOGK 2.45. release.

One question comes to mind is, if the AVI file is manually synched up properly, shouldn't AUTOGK be able to recompress/recode it and have it synched up properly automatically?
I tried it with a few different files and every one was out of sync after using AutoGK. I tried it with things like a shorter Desperate Housewives AVI, aXXo's releases, which should be great quality and they all came out out of sync.

Maybe it's a problem with a default setting with VirtualModDub? I don't know however all I know is that I shouldn't be having these issues as I've used AutoGK about a year ago and never had these issues, I'm having now.

[manono]

Am I not writing clearly? Do we have an English comprehension problem here?
IFO Mode acutally worked fine. It was the file mode which caused a out of sync problem.
I know. I said you should have been using IFO Mode from the beginning:
...it's well known that you decrypt using IFO Mode...

The problem was when I tried to recompress (recode) the AVI file from a 800 MB file to 700MB files so I could archive it to CD. AutoGK recreated an out of sync AVI, which I don't think it should have done.
I said that the original (in-synch) AVI may have had a delay which AutoGK can't know and therefore can't recreate to make the reencode in-synch.
And let's assume for the sake of argument that whoever did create it had a delay in there so the audio was in synch.
I think the same thing would have happened with any program where the original AVI had a delay set to get it to be in-synch. Here's how you find out the delay and synch-up the audio with the video:

Open the AVI in Media Player Classic. Right-click the screen and go Options->Filter->Audio Switcher->check the "audio time shift" box, and fill in an estimate of the amount of asynch. Hit "Apply" and test it out. Negative values are to make the audio play earlier. 1000 ms= 1 second. Resume playback. Adjust until you get it right. At that point you'll know how much the audio is out of synch and how much to set the delay in VDubMod. Open the AVI in VDubMod, set the Video for Direct Stream Copy, go Streams->Stream List->Right-click the audio->Interleaving->Audio Skew Correction, and set the same delay as you found using MPC. OK your way out of there, go File->Save As, give it a new name, wait a minute or 2, and test it out.

When all done, either uncheck the box or set the audio time shift back to 0 in MPC.

[bobwonderful]

Manono.. Yes... there obviously was an English comprehension problem here. Your latest comments were much easier to understand....

"Since it's well known that you decrypt using IFO Mode, I'm not sure why you were complaining about out-of-synch audio when you were clearly decrypting incorrectly"
It was a bit unclear whether it was me or whether you were making a statement.

Bottom line: Use IFO mode only!

[homermaster]

I have done this fix a few times in the past and it is a pain to try and get the skew corrected manually. I just have a question on if it's possible to find the skew from the original file to be able to apply it to the new one?

My question arises from not understanding how VDubMod corrects the skew with the process you described. I'm assuming that the skew offset info is added to the file and when a player reads the file it adjusts the audio timing with this info. If this assumption is correct then is there a tool (or could one be developed) that reads this info and gives the audio offset from the original file so it can be applied to the new one?

[manono]

If this assumption is correct then is there a tool (or could one be developed) that reads this info and gives the audio offset from the original file so it can be applied to the new one?
If there is one, I don't know about it. What you say makes sense, though, and perhaps there is one and someone that knows more about it than I can chime in here. Or maybe post the question in the Audio Forum and see if anyone knows.

Personally, I don't think it so difficult or timeconsuming to figure it out within 50 ms or so. Find a sharp sound like a gunshot or a door slamming and try and synch it to that. I find that easier than trying to synch it to some lips moving.

[old_one]

I've had many similar issues with the audio being out of sync - 2 dvds immediately spring to mind because they were ridiculously out of sync, The Dirty Dozen (20 seconds out) and Spawn (10 seconds out). I have found that this problem can quite often be overcome by encoding the audio to mp3, as it appears that encoding to the original AC3 has been the cause of my problems in nearly every case.

If the sync is constantly out i.e. the same throughout the movie, its easy to correct it using VirtualDubMod, and only takes just over a minute on my pc for an average 1/6 DVD (746mb). However, if the sync is fine for the first 50% of the movie then gradually drifts out of sync, its hellish more complicated to put it right.