Suppose the cursor is moving from Frame 1 to Frame 2. The proportion in which frame duplicates will be overlapped is different at each moment in a video (see the illustration above). It’s the default mode.īlending helps you achieve a smooth slow motion video effect by filling the space between frames with duplicates and overlapping them in a proportion defined by the algorithm.įor those feeling geeky, here is how it works. Simple reframing is how your slow-mo footage looks originally without frame interpolation. There are three options available in VSDC Video Editor: Reframing is an algorithm that allows for improving slow-mo videos with a low fps rate by creating additional frames. Keep reading to find out what it is and how it works. To fix this and achieve a perfectly smooth slow-motion video effect, you’ll need to resort to reframing. Going back to the gradient image metaphor, this is what it looks like: When you reduce the playback speed to 10% (which is 10 times slower than the original video), you reduce the number of frames displayed per second by a factor of 10. An average video plays consistently, without hiccups objects in the video move smoothly – just like the color transition in a gradient image: To help you visualize it, let’s take a gradient image as an example. The missing frames is what creates the stutter. And when you reduce the number of frames per second, you turn a video into stop-motion animation. When you do that, you technically reduce the number of frames per second – or the fps rate. Suppose you want to reduce the speed of video playback from 100% to 10% of the original speed. Why do slow-motion videos look choppy sometimes? Watch the video tutorial to see how reframing works, and learn more about it below. So, before getting started, we recommend downloading it from the official website. Luckily, the new version of VSDC Free Video Editor includes two powerful reframing modes: Blending and Optical flow. In this quick tutorial, we’ll explain why simply reducing the playback speed is not enough to achieve a slow motion effect, and how to go about it using a feature called reframing. See, when you drastically reduce the speed of your footage, the video starts looking choppy. For amateur creators, the most obvious way to achieve a slow motion video effect is by reducing playback speed.
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