Lots of people misinterpret the resizing issue for an interpolation of frames issue. If the "bands" are wide, then it's probably a resizing problem. If they're as narrow as a scanline, then it's probably interpolation.
For those who have not seen it, I would strongly suggest Chris and Trish Meyer's excelled "Videosyncrasies" DVD. It covers a lot of these issues. Most of this DVD is really about plain old video that it is about motion graphics, though everyone knows CHris and Trish from their motion effects/AE work.
http://www.amazon.com/VideoSyncrasies-Motion-Graphics-Problem-Solver/dp/B00007GCYT
Steve Hullfish
contributor: www.provideocoalition.com
author: "The Art and Technique of Digital Color Correction"
co-author: "Color Correction for Video: revised edition," "Avid Xpress Pro Editing Workshop" and "Avid XpressDV On the Spot"
On Apr 27, 2011, at 6:35 AM, Paul Dougherty wrote:
> Thanks Jonathan,
>
> Someone from C Cow said "adjust to Crop/Pad for DV line difference"
> - I guess pad means resize or blow up (ditto your concert
> suggestion), I'll try both
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