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Why Keyframes Between Frames?
I’ve been using Premiere Pro CS3 for a while now (8 months) and one thing has always bugged me.
When I add key frames to an effect in Effects Controls, why does Premiere Pro allow you to place the Key Frames in between actual Frames?
For example, When I zoom in all the way and the slider is moving one frame at a time, I can slide the key frame so it is placed between the actual frames.
This becomes an annoyance when I want to change the properties of that Key Frame and I can’t get the place marker (slider) to land on it because it is in between frames thus when I changes the properties it creates a new key frame instead of editing the old one. (Easily fixed by adjusting the placement of the original key frame, but still annoying.)
This is more of an annoyance than a real problem, I’m just wondering, is there any reason I would want to place a Key Frame between frames? Is there an essential use for this that I am not thinking about? Or is it simply a design flaw?
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5 Replies
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The key frames are going on FIELDS, rather than frames, is my bet.
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Thanks for the help,
Is there an option that lets you choose whether you want them to move by frames instead of fields and/or a way to get them to snap to the slider’s location in Effect Controls?
Also, what exactly is a field and why would you need them when you can only see changes from one frame to the next, and will not be able to see the changes from field to field in between two frames?
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Fields – the short version: Half of a frame – every other line on the screen. The opposite of Progressive scan in the video world. If you want the full story, you can look it up in Wikipedia.
You can use the button in the effects window that jumps to the next keyframe to get to the exact keyframe. I think holding shift while dragging also snaps to keyframes…
Don’t know if you can turn that on or off – doubt it. I’ve actually never noticed that key frames could be put in between frames till you mentioned it.
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Cool, thanks for the help.
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Actually, it happens on progressive as well, it looks like something they never bothered to fix. It can be a bit annoying.
The only workaround is to use the little arrows on the side of the keyframe diamond icon to go to next previous keyframe. You can also Shift+drag to snap to the keyframes.
Vince Becquiot
Director | EditorKaptis Studios
San Francisco – Bay Area
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