Fixed vs. Elastic: Types of Keyframes in Avid Media Composer

This tutorial teaches you the difference between the types of keyframes — fixed keyframes and elastic keyframes — in Avid Media Composer. We’ll use an example clip with a 3D Warp Effect on it and I’ll demonstrate what both types of keyframes do and why you would use each of them.

If you’re having trouble getting a keyframe to stick to a specific frame or want the keyframes of a clip to expand or contract when you trim a clip, watch this short video.

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6 thoughts on “Fixed vs. Elastic: Types of Keyframes in Avid Media Composer”

  1. josh
    can I tell you how many years I’ve been
    working around this and never knew about fixed keyframes ??? LOL
    i’ve usually just extended clip with an
    add-edit. thank you so much for this tip!!!

  2. Thanks, Josh. I could use the fixed function on the timeline audio track keyframes, like, a lot. When I’m fine-cutting, trimming or extending moments affects the length of the music tracks, and I just have to manually redo the audio keyframes for cross fades, crescendos, etc. Unless, you know of a way to do this automatically with fixed keyframes. It could be that my older version of MC isn’t allowing this function but the newest would. Do you know for sure?

    • As far as I know you can’t do this with audio keyframes. I don’t think this is resolved in a newer version either. I’ll try to reach out to Avid and see if this is something in their development pipeline.


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