Audio Video Sync problem

[s_layton]

I am trying to convert an MPEG2 file to AVI but every time I do, the audio and video don't sync by the end of the video. I have tried using MPEG2AVI, TMPGEnc, and Media Studio, but everyone of them do the same thing. I have tried MPEG4 V1, MPEG V2, and Divx. I would use uncompressed AVI, but it said that the hour long clip would take up 84 GB. I think I might have some of the settings wrong. Can someone tell me what settings I need to have in any of these programs to be able to do this. As an MPEG2, the file size is 2.63 GB and I am hoping to get it under 1 GB if possible. Thanks in advance for your help.

[magicdog]

Try this one - it has a thirty day trial:

http://www.wiagra.com/index.asp?r=download&prog=wve

HTH

[SonicVanguard]

Since you want to go from a 2.+ Gig MPEG2 to a under 1Gig AVI, I'm assuming you are using the DivX or XviD codec. Because standard AVI compression will give you a smaller file size than an MPEG2 and keep the same quality.

Anyway...your primary problem is using a destination type that has no standard timecode (that's one way DivX and XviD retain high quality with a small file size). There are a few tools you could try - Dr.DivX and VirtualDub. I wouldn't guarantee anything, but give them a shot.

Dave.

[s_layton]

I have tried both of those, and have received the same result, which is out of sync audio. What are the typical settings(bit rate, key frames, etc.) for a good quality AVI file.

[SonicVanguard]

Since you're using DivX and/or XviD, there are no 'good' settings. The problem lies somewhere with your original file, it's timecode is either messed up, or it's not compatable with the code you are using for the AVI.

Look at the original - what are it's settings (framerate, bite rate...). You should use the same for your AVI. For example, if your MPEG2 is from a DVD, it's framerate should be 24fps. But if you are setting the AVI to 29.97 or even 30, you'll have quantization issues (which is what you are having). If changing your AVI settings to reflect those of your MPEG2 doesn't work, there is something wrong with the MPEG2.

Dave.

[s_layton]

That is probably my problem......is there a good program to look at the details of an MPEG file, such as bitrate, frames per sec, etc.?

[SonicVanguard]

VirtualDub will do the trick.

Dave.