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Using Timewarp

From: Avid Media Composer 6 Essential Training

Video: Using Timewarp

Imagine that you'd like to start with a shot in real time, then speed it up significantly, then slow it down all the way to a stop, or freeze frame, and then go and reverse. Well, the Motion Effect Editor and Freeze Frame creation tool from the last movie can only produce non-variable motion, but Media Composer's Timewarp effect allows you to vary the speed however you like. So in this lesson we'll take a look at the basic functions of the Timewarp effect so that you can produce some interesting variable-motion shots. So we have our dancers here and we want them to go through their dance at variable motions, so we're going to go ahead and go into the Effect palette and in the Timewarp category we're going to apple the Timewarp effect.

Using Timewarp

Imagine that you'd like to start with a shot in real time, then speed it up significantly, then slow it down all the way to a stop, or freeze frame, and then go and reverse. Well, the Motion Effect Editor and Freeze Frame creation tool from the last movie can only produce non-variable motion, but Media Composer's Timewarp effect allows you to vary the speed however you like. So in this lesson we'll take a look at the basic functions of the Timewarp effect so that you can produce some interesting variable-motion shots. So we have our dancers here and we want them to go through their dance at variable motions, so we're going to go ahead and go into the Effect palette and in the Timewarp category we're going to apple the Timewarp effect.

I'm going to click on the Effect mode button to open up the Effect Editor, and as you see here, I have a Speed graph and a Position graph. Now yours may open looking like this, with everything compact, so if you need to open those, just click on each of these graphs and you've got everything you need. Now one thing I do recommend is to use these scale bars to make sure you get the entire graph in your view.

So I'm going to just reposition these so that I can see the entirety of my Position graph. That's going to help me out a lot. And you can do the same thing here if you plan to go at super-high speeds, but for now this looks okay. So I'm going to work in my Position graph to create my variable motion, and then I'm going to look in the Position graph to make sure I have enough frames to get the job done. So I have 100% speed here. I'm going to apply several keyframes.

Let's say from about the beginning of the clip to a quarter of the way in, I want to increase my speed, and then about halfway through I'd like to drop it to a freeze frame, which will hold for a little while, and then at the very end I want to go in reverse motion. So here's planning it out. Let's actually do it now. I'm going to click on my second keyframe here, and I can either drag it up or I can come in here and type a value, let's say 300%.

I'll type 300 and Enter, and let's go on to my next keyframe. I can use my fast-forward button here. And here we want to go to a freeze frame, so I'm just going to type in 0 and again on this one type 0, and then on my last keyframe let's go ahead to -150. So that'll go in reverse motion one-a-half speed. So we're increasing speed, we are staying still, then we're going in reverse.

Now by default I'm in Spline, which means I have a nice S curve in between each of my keyframes. If I right-click on a keyframe, I have other options that I can choose from. If I choose Shelf that means that I'm going from one value to another without any ease-in or ease-out. I can also choose Linear, and I can choose Bezier, and this gives me direction handles on each one of my keyframes so that I can customize my ease-in and ease-out.

Let's leave it on Spline, and I want to come down here into the timeline and take a look at this right here. I have a blue-dot effect, which means that I need to render it. Most Timewarp effects are green dot which don't need to be rendered, but I'm going in reverse motion here so I am going to need to render it. So let's take at a look at our Render Method menu. Again, we do want to choose something that produces a nice smooth result, so I would recommend Blended Interpolated. I'll go ahead and choose that. And now we'll go ahead and render this out.

Click on the Render Effect button. I'll send it to my Data drive, and we'll press OK. It takes just a little bit of time, and then we'll go ahead and play it out. Notice that my blue dot goes away because it's rendered, and I'll close this, and let's play through. Speeds up, here's our freeze frame, and backwards. Exactly what we wanted. Not a very practical example, but it gets the idea across about how to use the tool.

So I'm going to open up my Effect Editor again, and I want to draw your attention over here to the Position graph. Notice that my line went out the right side of the graph. This means I have enough frames to work with. If, however, I go in super-fast motion and burn through all of my frames, this line is going to go out the top, which is going to tell me, hey, you don't have enough frames, you're going to result in a freeze frame here. You might want to do something about that. So let's just simulate that. I'm going to come over and click on these keyframes and press Delete and as they're highlighted, I can just keep pressing Delete.

So I'm going from 100% to 300%. Let's use our Scale bar and access some really high speeds here. I'm going to just send this up to over 1200%. Notice that my line is now going out the top. So it's saying, hey, you don't have enough frames. But let's go ahead and try this. Notice that I do have a blue-dot effect, because I'm going at a super-high speed. So again I want to make sure that I'm rendering with Blended Interpolated Render Method, and we'll go ahead and render this out.

Send it to my Data drive. Again, we've produced two kind of extreme examples. Most of the time you don't need to render Timewarp effects. Close this out, and let's play through. This should go pretty fast. And there's our freeze frame. So that's the basics of the Timewarp Editor. Feel free to poke around in it yourself and try some variable motion, but in general just remember, you construct your variable motion in the Speed graph and you just monitor it in the Position to make sure you have enough frames to do what you want.

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This video is part of

Image for Avid Media Composer 6 Essential Training
Avid Media Composer 6 Essential Training

87 video lessons · 14694 viewers

Ashley Kennedy
Author

 
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  1. 3m 55s
    1. Welcome
      1m 16s
    2. Using the exercise files
      2m 39s
  2. 22m 54s
    1. Touring the Select Project window
      4m 45s
    2. Exploring bins
      4m 23s
    3. Customizing user settings
      3m 36s
    4. Setting up and organizing a project
      5m 57s
    5. Saving and backing up the project
      4m 13s
  3. 57m 27s
    1. Touring the Composer Monitor and the Timeline
      2m 29s
    2. Touring the Edit interface
      5m 6s
    3. Splicing shots
      7m 43s
    4. Splicing non-linearly
      2m 43s
    5. Overwriting shots
      4m 35s
    6. Removing shots using Extract and Lift
      4m 38s
    7. Using Segment mode (Extract/Splice) to switch shots
      6m 37s
    8. Using Segment mode (Lift/Overwrite) to move shots
      6m 31s
    9. Using Extract/Splice and Lift/Overwrite together
      3m 32s
    10. Manipulating the Timeline directly
      4m 34s
    11. Creating subclips and subsequences
      3m 48s
    12. Adding multiple video and audio tracks
      5m 11s
  4. 23m 28s
    1. Understanding trimming
      3m 19s
    2. Performing single-roller trims
      5m 15s
    3. Performing dual-roller trims
      3m 54s
    4. Using Ripple Trim and Overwrite Trim
      5m 4s
    5. Understanding sync
      3m 17s
    6. Solving sync problems
      2m 39s
  5. 54m 26s
    1. Navigating with JKL
      3m 26s
    2. Using navigation shortcuts
      4m 47s
    3. Using the Command palette
      6m 4s
    4. Customizing the Timeline
      4m 54s
    5. Using bin layouts
      3m 49s
    6. Using workspaces
      6m 41s
    7. Sorting and sifting clips
      5m 57s
    8. Using the Find tool
      5m 13s
    9. Using markers
      5m 54s
    10. Using PhraseFind
      3m 21s
    11. Using ScriptSync
      4m 20s
  6. 20m 42s
    1. Trimming with JKL
      4m 53s
    2. Performing Slip edits
      6m 1s
    3. Performing Slide edits
      5m 39s
    4. Performing Replace edits
      4m 9s
  7. 27m 17s
    1. Reading audio levels and pan
      5m 42s
    2. Using the audio mixer
      10m 1s
    3. Keyframing audio
      7m 6s
    4. Recording audio adjustments on the fly
      4m 28s
  8. 55m 1s
    1. Using Quick Transition effects
      4m 6s
    2. Using the Transition Manipulation tool
      3m 12s
    3. Using the Effects palette and the Effect Editor
      6m 1s
    4. Keyframing segment effects
      5m 30s
    5. Nesting and auto-nesting
      5m 54s
    6. Saving effect templates
      3m 23s
    7. Building basic composites using vertical effects
      4m 7s
    8. Using the picture-in-picture (PIP) effect
      5m 14s
    9. Using the Color effect
      4m 24s
    10. Creating basic motion effects
      6m 55s
    11. Using Timewarp
      6m 15s
  9. 11m 48s
    1. Understanding system performance
      6m 13s
    2. Rendering intelligently
      5m 35s
  10. 26m 44s
    1. Analyzing footage for problems
      2m 27s
    2. Using the Y-Waveform monitor to set whites and blacks
      7m 16s
    3. Using the RGB Parade to correct color casts
      5m 50s
    4. Using the Vectorscope to improve skin tones
      5m 34s
    5. Using auto color correction
      5m 37s
  11. 30m 10s
    1. Formatting and enhancing text using Avid Marquee
      5m 32s
    2. Using Marquee to apply shapes and gradients
      5m 18s
    3. Using title templates
      3m 45s
    4. Bringing the title into Media Composer
      3m 54s
    5. Revising the title
      2m 17s
    6. Creating rolling and crawling titles
      5m 14s
    7. Using AutoTitler
      4m 10s
  12. 32m 37s
    1. Importing files
      6m 47s
    2. Linking to files using AMA
      3m 36s
    3. Linking to hi-res stills
      5m 59s
    4. Using the Avid Marketplace
      2m 50s
    5. Using the Capture tool
      5m 19s
    6. Capturing footage
      3m 41s
    7. Batch capturing
      4m 25s
  13. 12m 58s
    1. Deleting material from the bin
      5m 29s
    2. Understanding the Media tool
      4m 46s
    3. Deleting unreferenced clips
      2m 43s
  14. 17m 35s
    1. Preparing your sequence for output
      5m 44s
    2. Performing a digital cut
      5m 26s
    3. Exporting your sequence as a file
      6m 25s
  15. 19m 2s
    1. Solving offline media
      6m 48s
    2. Re-linking media
      3m 0s
    3. Resetting Avid settings
      5m 9s
    4. Using the Avid Attic
      4m 5s
  16. 44s
    1. Additional resources
      44s

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