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You are right in that it is a WAY WORSE way of deinterlacing when you keep your footage at 480 lines of vertical resolution, but it is a WAY BETTER way of doing it if you are downrezing to 240 vertical lines anyway. If you blend or interpolate at 480i, you'll end up with 480p with some "blurring/combing/etc." which will in fact be way better than if you dropped the field and then took the 240 lines you were left with and scale them back up to 480 lines. True. And that's why no one in their right mind would ever deinterlace that way (because you lose half of your resolution). BUT, if you are going to half your resolution anyway to post on the web, then it's a WHOLE OTHER story, and dropping a field doesn't lose you any resolution at 240 lines, and you have video with no interlacing artifacts at all -- absolutely perfect progressive images at 320x240 from 60i sourced DV. That's what I'm trying to say, I'm constantly amazed why so many people don't do this for web video. Now, this isn't as important for anyone lucky enough to own a DVX because you're shooting progressive to begin with, but it makes a big difference for people like me who have to shoot in 60i still. I'm also curious about using this technique with 1080i sourced video.macgregor said:I dont understand what you mean.
The drop field in sorenson squeezer gives a lot worse quality than applying a deinterlace method: interpolate fields in Vegas.
They are very similar, but Vegas uses interpolation.