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Forums Adobe After Effects Expressions Precise, ramped (gradual) time remapping

  • Precise, ramped (gradual) time remapping

  • Blake Goulette

    August 19, 2022 at 1:49 am

    Hi all. There’s probably a simpler way to accomplish what I’m trying to describe here, but if there is, I have no idea what it might be. As the topic states, I have a clip that I want to remap over a specific interval. For example, if I have a clip of arbitrary length, I want to choose a point to start ramping up the time, and, say, 2 seconds later, have it reach the preferred multiplier and continue at that (modified) speed either until the end of the clip or until I apply some other ramp to, say, slow it down to real time.

    I tried a simple (and ineffective) expression that just multiplied timeRemap with a slider control, but it absolutely did not do what I wanted! Below:

    timeRemap * effect("Slider Control")("Slider");

    Any suggestions for how to do what I’m describing? I guess another way to phrase it is this: I’d like the “precision” of Time Stretch with the flexibility/variability of Time Remap. Thanks for any suggestions.

    EDIT: My ultimate goal is to dump this back into Premiere Pro, which does have a time remapping feature, but it doesn’t time remap the audio, and its control handles for easing are imprecise (as far as I’m aware…which isn’t very).

  • Dan Ebberts

    August 19, 2022 at 4:48 am

    I think what you’re trying to do falls in the category of speed control described here:

  • Blake Goulette

    August 19, 2022 at 1:25 pm

    Holy smokes, thank you! From what I can tell, this is exactly what I was trying to achieve! My speed and value graphs for timeRemap don’t visually indicate any change, but previewing shows me just what I was hoping to see!

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