Field Order Reversal Problem

plasma_video · Post by **plasma_video** » Sat Mar 19, 2005 9:47 pm

OK, so I gave up trying to import seperate audio and video streams into MF3 and decided to use the MF3 encoder.

I added a standard DV .avi file into the project and simply encoded it using the Ulead MF3 encoder set to 7000 CBR with LPCM audio. I then added a menu and burned a DVD.

In playing back the DVD on a desktop player, the motion is jittery, jumpy and looks like what you would see when there is an upper/lower field reversal taking place somewhere. I know the field order was correct in the DV file, so something had to have happened in the encoding. There are no settings I can find for field order, so I'm once again burning coasters!

mpg files encoded by Procoder and burned with MF3 and no MF3 transcoding look fine.

Anyone have any suggestions on this one?

Tom

JoReneA · Post by **JoReneA** » Sun Mar 20, 2005 4:18 am

I have had the same problem you had and it has made me crazy. The only way I could get an acceptable DVD out of avi files was to first edit them in the Ulead Video Studio software, which came with my DVD burner. That seems to encode with the correct field order. But MF3 seems to have problems that appear to be field reversal and I don't know how to remedy in MF3 itself. Maybe the capture itself was in the wrong order---or maybe you would need to go back and recapture using the opposite order. I didn't want to recapture two hours of video so I used Video Studio to encode to mpg and then used those files in MF3. If I could do it over, I never would have bought version 3, as it doesn't add enough to compensate for all the extra problems.

plasma_video · Post by **plasma_video** » Sun Mar 20, 2005 5:00 am

Yes, I'm beginning to suspect the same thing. Since there is no way to select field order in the MF DVD burner module, I suspect it's flipping the field to field order B as it is encoding to MPG, where as the DV footage is Field Order A. I think that is what is creating the problem. When I first was using the program, I was doing the encoding in a different app, and importing the already created mpg clip in and telling MF not to recompress and accept the clip "as is". BUT, MF locks up when I try to bring in an mpg with LPCM audio, so I was stuck with mpg audio unless I encoded it in MF, which flips the field order - ARRGGHH!

So, just before I got on this board tonight, I thought I would look at the options in Video Studio, and sure enough, you can set the field order in the mpg encoder . . SO, I guess I'll end up (for now, until I can afford a better solution) edit my video in Edius or Vegas, save it out to DV AVI, import it into Video Studio, encode it to mpg field order A with LPCM audio, and then take it into MF for doing the menus and burning. Seems like a lot of extra workflow, but I'll try it tomorrow and see what happens. Given your comments, it sounds promising. I guess the assumption was that you would be doing all of your editing and burning within the MF, not in any additional apps.

I hope it works. I've got some deadlines and I've burned too many faulty discs experimenting.

Have a nice Sunday.

Tom

maddrummer3301 · Post by **maddrummer3301** » Sun Mar 20, 2005 3:52 pm

The more professional programs use
"Field Order B" "Lower Field First.

This is reverse of Ulead.
Ulead defines "Lower Field First" -> Field A.

Adobe Premier Pro is all Lower Scan line first field B

MD

jgrin · Post by **jgrin** » Thu Mar 24, 2005 3:41 pm

Yes, this is driving me crazy as well (fielding order AND the inability to use LPCM audio with a compliant mpeg). I just made 12 coasters (with labels!) out of 3 projects I recently completed. The source files were all pre-edited avi's, and the first disc I burned of each project seemed to play fine on my Sony DVD player (manufactured in 1999), so I made more copies and slapped labels on all of them. When I went to deliver them to my friends, who all have newer DVD players, they ALL had the field order problem!!! I had also bought MF3 for my parents' computer so that I could transfer DV via firewire from their camcorder directly into MF3 -- which actually seems to work fine, so I agree that ULead must be using the opposite fielding order than the rest of the industry.