How to slow down video after effects

Written by alan donahue
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How to slow down video after effects
(Ciaran Griffin/Lifesize/Getty Images)

Adobe After Effects is a special-effects program used to create animations or add effects to pre-made videos. With this software, users can import video and slow it down easily. The resulting effect is perfect for use on sports videos, blooper videos or action sequences like a fictional gun fight. After slowing down the video, you can use it in an existing After Effects project, add more effects to the video or export the video for uploading and DVD burning.

Skill level:

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  1. 1

    Open your project in After Effects. If you are starting a new project, just open the software and a new project will automatically begin.

  2. 2

    Right-click on the "Project" window and select the "Import" option. Select the videos that you want to slow down. If there is more than one, hold the "CTRL" key to select multiple videos. Press "OK" and wait for the videos to load in the project window.

  3. 3

    Click on the video that you want to slow down. In the "Project" window, look at the small icon and file info. Take note of the length of video so you know how long to make your project.

  4. 4

    Right-click in the "Project Window" and select "Create New Composition." In the "Time" section, make sure that the time for the composition is at least double the amount of the video clip so nothing is cut off when you slow down the clip. Click "OK" to confirm the composition settings.

  5. 5

    Drag and drop the video file down to the "Timeline" window. A preview of the video should appear in the "Preview" window at the top right corner of the screen. Use the "Play Control" window to play the video and make sure everything plays correctly.

  6. 6

    Click once on the video file so that it is highlighted in the "Timeline" window. Click on the "Effect" menu at the top of screen, find the "Time" sub-menu and click on the "Time-Stretch" effect to apply it.

  7. 7

    Wait for the pop-up box to appear and see the default times for the video will appear. Replace the current time with a longer time to slow the video down.

  8. 8

    Experiment with different times to see how the slowdown looks for different speeds. For example, change the clip from five seconds to ten seconds. Then experiment with times like eight seconds and seven seconds to see how much of a difference it makes. If the video has audio, listen to see how the audio is effected throughout the scene.

Tips and warnings

  • Always slow down the video as the first step in the project. If you added other effects or elements into the project, they will all be affected by the timing of the slowed down video and may need to be reanimated.

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