Remember these super cool freestyle extreme sports videos where the guy on the skateboard is jumping off the vert ramp high in the air, and suddenly the action slows down, and you could barely notice any movement at that very moment, except the guy in focus, slowly drifting in the air lit by the sun behind his shoulder. After a couple of seconds, he touches the ground once again hauling down the ramp in a fancy manner.
This can be easily done in the edit using Time Remapping option of your NLE. It is an extraordinarily powerful, yet very simple and straightforward technique to achieve this excellent effect. There are a couple of different approaches to get similar results using Time Remapping, Speed/Duration and/or Rate Stretch Tool to change the playback duration of a certain clip. In the following video tutorial, we’ll see how to manipulate time in Premiere Pro CC using only the given tools.
The feature can be keyframed in the Effects Panel or by right-clicking on your clip and selecting Show Clip Keyframes>Time Remapping>Speed. Just drag the Rubber Band on your clip up and down to increase or decrease the clip duration. You can Command+Click on a Mac or Control+Click on Windows to add keyframes and set a different clip length between each two key frames.
Alternatively, there are two more options available in Premiere Pro CC that will help you to achieve similar results. As the Time Remapping feature, the Speed/Duration Option is also available by default for each clip you load in Premiere Pro CC. You can easily access by right-clicking over the clip in your timeline and navigating to Speed/Duration.
Speed is the rate at which a clip plays back and usually is displayed in percentages. 100% means that your clip is playing at normal speed. If the rate is set to less than 100% slowdown playback and increase duration will occur. Alternatively, a speed percentage of more than 100% will speed up playback and shorten the duration.
You can achieve similar results by changing the Duration of selected clip. However, you should take into consideration that whereas speed deals with playback, duration only deals with how much time a particular clip takes up in the timeline. If you want to affect simultaneously both Speed and Duration make sure that both options are linked. You can link/unlink speed and duration by clicking the chain icon in the viewer.
There is even an easier way to manipulate the speed of your clip by using the Rate Stretch Tool. It simply changes the rate at which a clip plays. Select the tool, click and drag the in-point or out-point of your clip to left or right. The speed and duration will match any adjustments you make to the clip. You can also access the tool by hitting “R” on your keyboard.
As-a-rule-of-thumb, both Speed/Duration and Rate Stretch Tool will affect duration and speed of the entire clip on which you apply these effects. However, if you want to have better and more precise control over the clip duration by slowing down or speeding up different portions of a certain clip than you should use Time Remapping.
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