Motion blur...

[Graevyn]

I can't figure this out! I'm trying to back up a 4:3 disc, and I keep getting motion blur in the final product. Quite a bit too. It being 4:3 may be my problem, I think, considering I encoded an anamorphic widescreen with the same settings, and it came out just fine.

Here are my settings:

1 pass VBR
IQP @ 17
Q. Factor @ 1
Temporal Smoother @ 2,1
Bicubic Resize @ 0, 0.6
Max avg. bitrate is set to 2150
No deinterlacing
128bit audio WITHOUT 48 -> 44.1 downsample
Force Film is set to automatic

I'm not certain, but I don't think my max avg. bitrate is the problem. I was having motion blur before I changed this setting. I'm trying to fit two 25 minute episodes on to one CD-R. I think I'm doing this part right, but any suggestions on doing this would be appreciated too!

I figure it may be my Force Film setting that is screwing things up. I can't remember if it is activating Force Film or not. I checked my log after an encode earlier today, yet it just totally slips my mind (I'd check it now, but it's on another machine that I don't have access to right now). If this is my problem, does Force Film need to be set to On or Off? Or should I be using IVTC? I understand IVTC is "Slow as hell", according to DVD2SVCD, but if I have to, I'll do it.

By the way, it's not just mosquitos either... it's full-on motion blur. Even during low motion sequences, I get a fair bit of blurring. I realize that my problem is probably easily fixed, however I wasn't able to find anything by searching on "motion blur", and didn't know what else to try.

Anyway, it's bedtime. Thanks all!

---Graevyn

[SVCD4Me]

First post! Hope it's as good for you as it is for me.

My guess on your motion blur is the 1 pass VBR. It is my understanding that VBR is only effective with at very least 2 passes, because with 1 pass it only estimates the bitrate on the fly. I use mainly default settings in DVD2SVCD with 3 pass VBR, simple resize, 224 for audio, and my conversions all look and sound excellent. I have put every movie onto 2 discs except Lord Of The Rings on 3. No artifacts, blurring, nothing.
I have even experimented putting How High (1.5 hrs) movie on 1 disc, with the same settings except lower audio, and it looked good - just a little grainy.

Hope this helps.

[Graevyn]

Actually, I already figured out what my problem was. The VERY simple answer was, I needed a SmartDeinterlace. I figure BlendFields would have worked too, but SmartDeinterlace did the job great. Hope this helps anyone else that has this motion blur problem.

Thanks for the idea anyway SVCD4Me. And, by the way, try 1 pass VBR, Image Quality Priority of 17, Q. Factor of 1, Antinoise filter of 2, all the bitrate settings at default (you could probably play with these to get an almost perfect picture), TemporalSmoother at default settings (2,1), BicubicResize (0, 0.6), and you'll get an awesome picture. Set the audio to whatever you'd like. Every once in a while you might get a bit of pixelation (mostly on high speed sequences), but I'm sure you can fix that with a higher max. average bitrate setting.

Thanks again! Have fun decoding/encoding!

---Graevyn