Stuttering/Jumping of final cut of DVD

lenni · Post by **lenni** » Sun Jun 25, 2006 9:58 pm

Hi,
I have just finished editing my video and burned it to a DVD. The only problem is that there appears to be slight stuttering when watching moving objects. Everything is fine when the objects are stationery but as son as they move, they stutter slightly across the screen. Any assistance would be appreciated. lenni

heinz-oz · Post by **heinz-oz** » Sun Jun 25, 2006 10:03 pm

Sound like a problem with field order. I would create a new mpeg file from my source video and reverse the field order.

lenni · Post by **lenni** » Sun Jun 25, 2006 10:06 pm

Hi Heinz, I think we have chatted before. Can you explain in a bit more detail what you are suggesting. Thanks lenni (Sam)

heinz-oz · Post by **heinz-oz** » Sun Jun 25, 2006 10:29 pm

Let's start at the beginning. Where did your source video come from? Digital camcorder or analog source? How did you get it into the PC? What format is the source in, DV-AVI or mpeg?

At the editing stage, what are your project settings, especially the field order? Since we are in PAL land here, each frame of a TV picture is made up of 25 fps, two fields per frame, one with odd and one with even scan lines. Here is where the confusion begins. Some call it, like I did before, odd/even fields others, the more commonly used version, upper/lower field.

The problem you describe happens when the display order of the two fields is reversed. The picture is built on your TV in alternating lines, ie. line 1, line 3, line 5 etc. When the scan returns to the top to now display the second field, ie. line 2, line 4 etc. the object has moved on. As long as the object is somewhat stationary, you don't notice if the field order is wrong. When the object moves, the faster the movement the worse it gets. The field displayed first shows the object in a position different to the next. If the order of the fields is reversed, the object is shown first in a position further away from the origin than the second one. That makes the movement accross the screen jerky. By having the field order right, each subsequent field shows the object a bit further advanced and you get a smooth movement accross the screen.

I hope I was able to explain this to you.

Check your project settings for this video and use the oposite to the field order. If currently it is set to display upper field first, change it to display the lower field first or vice versa.

lenni · Post by **lenni** » Sun Jun 25, 2006 11:14 pm

Hi Heinz,

I will go home tonight and check my settings etc. I have produced at least 7 DVDs using VS9 and never had this problem. Thanks for your assitance.

heinz-oz · Post by **heinz-oz** » Mon Jun 26, 2006 12:05 am

No problem. Did you use the same version of VS for all your DVD's? What is the source of your videos? Generally speaking, video from an analog source uses different field order to DV.

lenni · Post by **lenni** » Mon Jun 26, 2006 12:21 am

Heinz, I have used the same source for all my videos, that is, my JVC digital video camera via its IEEE connection. Also, nearly all of my videos have been edited using VS9. As mentioned, it only happens upon final output. The odd thing is, earlier yesterday I burnt my first copy for evaluation and I'm sure it looked fine. Could I have changed a setting? I have had some difficulty burning the video, that is, it has fallen over a couple times. The final copy I have, was burnt ok but I had to remove the motion from the chapter selections before burning. I don't think this should be an issue though ...... but then again.

heinz-oz · Post by **heinz-oz** » Mon Jun 26, 2006 1:46 am

What is your normal work flow?

Mine is somewhat like this:
1. capture from DV tape via IEEE1394 to disk in DV-AVI type 1
2. editing (project settings to match source files)
3. creation of an mpeg file

4. import of the generated mpeg file into MF 4 DiskCreator to generate the menu and author to DVD. I always have the option "Do not convert compliant mpeg files" ticked.

I have used MF 3 as well as MF 4 to directly burn to DVD disk as well as burning DVD folders on my HDD. The folder approach allows me to resize my DVD with DVD Shrink prior to burning to disk, if the resultant file size is a bit too much for the DVD blank. These folders I burn to DVD using the Ulead Burn.Now module of MF 4 or a program that came with my Pioneer burner.

Since I predominantly use the dual pass encoding with VBR for my projects, I can never be 100% about the final DVD size. I tend to encode on the higher end bit rate spectrum for quality reasons and often overshoot the target disk size for that reason. Nothing that Shrink can't fix quicker than determining the correct bitrate by trial and error or ending up with inferior quality because the estimated bitrate was rather low, leaving free space on the disk.

lenni · Post by **lenni** » Mon Jun 26, 2006 2:36 am

Heinz, I'm a bit confused. Doesn't Video Studio do all that for you? This is my procedure:

1. Capture my footage via IEEE
2. Edit the captured file
3. Share/create DVD (within this step, I create the chapters)

Why do you use the other ulead as well or am I getting the wrong impression.

sjj1805 · Post by **sjj1805** » Mon Jun 26, 2006 2:46 am

lenni wrote:This is my procedure:

1. Capture my footage via IEEE
2. Edit the captured file
3. Share/create DVD (within this step, I create the chapters)

Why do you use the other ulead as well or am I getting the wrong impression.

Try:
1. Capture my footage via IEEE
2. Edit the captured file
3. Create a Video file
4. Share/create DVD (within this step, I create the chapters)

VideoStudio will do everything start to finish but some users prefer to do bits with one product and bits with another. I mostly use DVD Workshop 2 to author my DVD Menus.

A lot depends upon what you have to start with and what you want the completed item to look like. Use the best of whatever is available to you.

See this link regarding something I did last year:
http://phpbb.ulead.com.tw/EN/viewtopic. ... 8728#68728

heinz-oz · Post by **heinz-oz** » Mon Jun 26, 2006 3:10 am

Steve has said it all. I simply prefer the menu options I get with DVD Movie Factory 4 over what MSP has to offer.

Since I create the video file first (DVD compliant mpeg2) in MSP, it is no big deal to switch to MF 4 for the authoring stage.

I have also burned DVD's straight out of MSP, but only do that if I have an mpeg file already (captured analog video, not much editing) and do not need an elaborate menu level.

I must admit, I'm rather unfamiliar with the latest versions of VS and don't know to what degree you can create menus with it. I doubt very much that it is much more than what I could do with MSP.

lenni · Post by **lenni** » Mon Jun 26, 2006 3:14 am

OK, so let me ask you this. As the latest versions of Movie Studio Pro and DVD Movie Factory are priced very close to each other and I only can afford the one, which should I get? Hmmm

heinz-oz · Post by **heinz-oz** » Mon Jun 26, 2006 3:33 am

It depends on what you want to do. You are not comparing apples with apples.

MSP or indeed VS, are editing programs with limited authoring functions, MF is an authoring program with limited editing functions.

It,s a bit like a farmer asking himself, should I get a traktor or a 4 WD? Both may not get stuck out in the field but the 4 WD is not going to be good for ploughing while the traktor is not going to be good to go to town in with the family on the weekend

Post by **Ken Berry** » Mon Jun 26, 2006 7:06 am

What surprises me, though, is that the OP thinks that the price of MSP and MF are similar!!!

MSP is of course at a much higher end of the price spectrum, reflecting its more professional status, while MF is at the lower end of the consumer scale.

sjj1805 · Post by **sjj1805** » Mon Jun 26, 2006 12:47 pm

lenni wrote:OK, so let me ask you this. As the latest versions of Movie Studio Pro and DVD Movie Factory are priced very close to each other and I only can afford the one, which should I get? Hmmm

Actually - No Such Program ! He either means MediaStudio Pro (Expensive) or VideoStudio (similar price to MovieFactory.)
I think the clue is this is in the VideoStudio thread.