15 Best Free Premiere Pro Zoom Transitions - Mixkit

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You can change the speed and duration for one or more clips at a time. Premiere Pro offers several ways to modify the speed and duration of clips. The speed of a clip is the rate at which it plays back compared to the rate at which it was recorded.

The duration of a clip is the length of time it takes to play from the In point to the Out point. You can set a duration for video or audio clips, letting them speed up or slow down to fill the duration. You can apply Optical Flow only from the timeline or Export Settings dialog box, and not from the Project panel.

Timeline Search provides you with advanced search options that let you find and manage clips in complex timelines. For more information, see Find assets. In the Timeline panel or Project panel, select one or more clips. Changes made at the project level are respected when adding new instances into a sequence. If the Ripple Edit Tool stops working, make sure that the Composite Preview During Trim option is deselected from the wrench tool in the timeline.

The Rate Stretch tool provides a quick method to change the duration of a clip in the Timeline while simultaneously change the clip's speed to fit the duration. For example, you have a gap in your sequence of a specific length and you want to fill that gap with some speed-altered media. You do not care so much about the speed of the video, make sure it fills that gap at whatever speed it has to be. Rate stretch allows you to stretch or compress the speed to the percentage needed.

Select the Rate Stretch tool and drag either edge of a clip in a Timeline panel. You can vary the speed of the video portion of a clip. Use Time Remapping to create slow motion and fast motion effects within a single clip.

The clip is shaded blue. A horizontal rubber band that controls the speed of the clip appears across the center of the clip.

A white speed-control track appears in the upper portion of the clip, just below the clip title bar. If it is hard to see the clip, zoom in to make enough room. The playback speed of the video portion of the clip changes and its duration expands or contracts depending on whether its speed is increased or decreased.

The audio portion of the clip remains unchanged by Time Remapping, although it remains linked to the video portion. When you lengthen a clip in a sequence by slowing its speed, it does not overwrite an adjacent clip. Instead, the clip expands until it touches the edge of the adjacent clip. Adobe Premiere Pro then pushes remaining frames into the tail of the lengthened clip. To recover these frames, create a gap after the clip and trim its right edge to reveal them. You can speed up, slow down, play backward, or freeze video portions of a clip using the Time Remapping effect.

For example, take a clip of someone walking. You can show the person moving forward quickly, slowing suddenly, stopping mid-step, and even walking backward, before resuming the forward motion.

You can apply time remapping only to instances of clips in a Timeline panel, not to master clips. The audio does not remain synchronized with the video. Speed keyframes can be applied in the Effect Controls panel, or on a clip in the Timeline panel. A speed keyframe can be split to create a transition between two different playback speeds. When first applied to a track item, any change in playback speed on either side of a speed keyframe is instantaneous at that frame.

When the speed keyframe is dragged apart and spread out beyond one frame, the halves form a speed change transition. Here, you can apply linear or smooth curves to ease in or ease out the change between playback speeds. It is best to apply time remapping controls to a clip in its own video track. Slowing a portion of the clip makes it longer. If a second clip follows the lengthened clip in the video track, the lengthened clip is automatically trimmed where the second clip begins.

To recover trimmed frames, click the Track Select Tool. Shift-drag the second clip toward the right. All clips lying to the right move to the right. Click the Selection tool, and drag the right edge of the lengthened clip to the right, exposing its trimmed frames. A white speed-control track appears in the upper portion of the clip, below the clip title bar. Speed keyframe B. White speed-control track C. Rubber band. Drag the rubber band on either side of the speed keyframe up or down to increase or decrease the playback speed of that portion.

Shift-drag the speed keyframe to the left or right to change the speed of the portion to the left of the speed keyframe. Both the speed and duration of the segment change. Speeding up a segment of a clip makes the segment shorter, and slowing down a segment makes it longer.

Speed and Velocity values for the Time Remapping effect are shown in the Effect Controls panel for reference only.

You cannot edit these values directly there. In the white control track area of the clip, drag the gray-shaded area of the speed transition into its new position.

Ctrl-drag Windows or Command-drag Mac OS a speed keyframe both halves to the place where you want the backward motion to end. A tool tip shows the speed as a negative percentage of the original speed. The Program monitor displays two panes: the static frame where you initiated the drag, and a dynamically updating frame that reverses playback returns to before switching to forward speed.

When you release the mouse button to end the drag, an extra segment is added for the forward playback portion. The new segment has the same duration as the segment you created.

An extra speed keyframe is placed at the end of this second segment. Left-pointing angle brackets appear in the speed-control track, indicating the section of the clip playing in reverse. The segment plays backward at full speed from the first keyframe to the second. Then, it plays forward at full speed from the second to the third keyframe. Finally, it returns to the frame at which the backward motion began. This effect is called a palindrome reverse.

You can create a segment that plays in reverse and doesn't return to forward playback. Use the Razor tool or the Trim tool to remove the segment of the clip with the forward playback section. For more information, see Trimming clips. A gray area appears between the halves of the speed keyframe, indicating the length of the speed transition. A blue curve control appears in the gray area. You cannot toggle the Time Remapping effect on and off like other effects.

Enabling and disabling Time Remapping affects the duration of the clip instance in a Timeline. Once the Time Remapping effect has been disabled, all the keyframes are deleted. This action deletes any existing speed keyframes, and disables Time Remapping for the selected clip. To re-enable Time Remapping, click the Toggle Animation button back to the 'on' position.

You cannot use Time Remapping with this button in the 'off' position. Changing the default duration of still images does not affect the duration of still images that are already part of a sequence or that have already been imported. Reimport the images after you change the default duration to get a different duration for the images.

You can also create a time lapse from still images. For more information, see Create time lapse video from still images. The Optical Flow feature in Premiere Pro uses frame analyses and pixel motion estimation to create brand new video frames, resulting in smoother speed changes, time-remapping, and frame-rate conversion. Since the optical flow library cannot sustain real-time playback, as it happens with the existing Frame Blend function, Premiere Pro uses the time-consuming Optical Flow only for Time Remapping for high quality renders.

For low quality or draft rendering, the faster Frame Sample interpolation is used even while the Optical Flow is enabled. To see the optical flow effect, render your sequence. Choose Render In to Out or hit Enter to do that. Optical Flow interpolation is ideal for modifying the speed of clips that contain objects with no motion blur, which are moving in front of a mostly static background that highly contrasts with the object in motion.

The following dialog box appears. In the Speed field, specify the desired playback speed for the clip in percentage value. In the Time Interpolation drop-down, select Optical Flow. Click OK to commit. Premiere Pro GPU acceleration completes the rendering process. To see that the smooth slow motion created using the newly interpolated Optical Flow frames, play the clip.

For example, if you have a fps footage that you want to export at 60 fps without repeating every frame, you can export the media with the Optical Flow option in the Time Interpolation drop-down box selected. In some footage, using Optical Flow for creating smoother motion does not produce the desired results.

In such scenarios, you can use one of the other time interpolation options--Frame Sampling or Frame Blending. Frame Sampling repeats or removes frames as required, to reach the desired speed. Frame Blending repeats frames, and it also blends between them as required, to help smooth out the motion.