premiere help - chaning speed of clips causes jerkyness

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premiere help - chaning speed of clips causes jerkyness

Postby SublicK » Sun Sep 01, 2002 4:09 am

Hey,

For quite some time now I have noticed that premiere does something strange whenever I slow down a clip a lot. I right click on a clip and select 'speed' then set a new speed... but if I slow it down too much, it causes the movie to be jerky and ugly. It's probually not premiere, but rather the DivX codec.. How could I avoid this (besides not slowing down the clip).

thanks (a kinda strange question...)
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Postby dokidoki » Sun Sep 01, 2002 4:24 am

Go to the Field Options settings for the clip, and uncheck the box "Deinterlace When Speed is Below 100%".
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Postby alternatefutures » Sun Sep 01, 2002 7:05 am

Probably not dokidoki.

The solution to your problem is really quite simple... don't slow it down! You have about 24 frames per second to fool the eye to think there's motion going on. A lot of the time you actually only have 12 frames per second to work with. If you slow it down you're removing frames, bringing the movie into a timecode that's so slow the human eye can keep up, resulting in visible jerkyness. So, short of actually drawing more inbetween frames, you can't do what you want to do. And this is not just a Premiere problem. The same thing happens in every video editor.
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Postby klinky » Sun Sep 01, 2002 8:29 am

Well, you want that crappy de-interlace off anyways :roll: . I believe dokidoki is on the money ;)


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Postby SublicK » Fri Sep 06, 2002 12:27 pm

OK, thanks... it was deinterlacing... sorry about being so vague alternatefutures.
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Postby The Wired Knight » Fri Sep 06, 2002 3:40 pm

If this problem ever occurs again and it's not the interlacing you can often take programs like virtualdub and tell it to clone frames for a specific period of time, this is actually a good idea at tmies because it can make some oimages look smoother than they actually are.
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