The result can be exceptionally smooth when motion in a clip is linear. Using motion estimation, new frames are generated from the original source frames to create slow or fast motion effects. Optical Flow: The most processor intensive but highest quality method of speed effect processing.This option can provide better results when Optical Flow displays unwanted artefacts. Frame Blend: Also processor efficient, but can produce smoother results adjacent duplicated frames are dissolved together to smooth out slow or fast motion effects.Nearest: The most processor efficient and least sophisticated method of processing frames are either dropped for fast motion, or duplicated for slow motion.The Retime Process comes with three presets, as described in the DaVinci Resolve 17 Manual: Different interpolation settings produce different quality results. Resolve gives users control over how the frame interpolation should be done. After the render has finished, a new clip will be added to the Media Pool and the clip in the timeline will be replaced by the new one. Select the desired format and codec, turn Include Video Effects on and render the clip.Įxpect the rendering process to take a while due to the processing-intensive retime settings. Right-click the clip and choose Render in Place. Playback of the clip is not possible without rendering it first.All details about the settings and the alternatives can be found below. Only these settings will make use of the DaVinci Neural Engine and tend to produce the best results, however, at the cost of being very processing-intensive. In Retime Process dropdown, choose Optical Flow, and for Motion Estimation choose Speed Warp.Select the clip and navigate to the Retime and Scaling menu in the Inspector panel.Alternatively, Speed Points can be added to dynamically change the clip speed. Open the Speed dropdown menu on the clip and lower the clip speed – in the case of the test clip, 50% was selected.Right-click the clip in the timeline and open Retime Controls or simply mark the clip and use the shortcut Cmd+R on Mac or Ctrl+R on Windows. Here are the straightforward instructions on achieving smooth slow motion with standard framerate footage: But DaVinci Resolve also provides the frame interpolation features which generates missing frames by merging adjacent frames or by using DaVinci Neural Engine AI to analyse surrounding frames and predict motion. These added frames are usually just copies of the nearest frames as this process requires the least amount of processing power. For example, any time you put a clip into a sequence with a higher framerate, the NLE will automatically stretch the clip to the framerate of the sequence and add the missing frames. Just about every modern NLE handles mixed framerates quietly, often without the user even knowing it.
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