Reverse slow-motion videoIf you want to create a reverse slow-motion video, you can use the following software:
- Da Vinci: This is a professional software that combines video editing and audio post-production. First, he opened the software to import the video. After selecting the video, he clicked on [Change Film Speed], then checked [Reverse Speed] and adjusted the speed to a negative number to play the video in reverse. Then, he used the software's function to set the slow-motion effect.
- Swift Video Converters: Professional Media Processing Service software. Enter the software and choose [Video Rewind]. After import the video that needs to be played in reverse, click [Set Rewind] on the right side. Check [Video Rewind] and adjust the sound in the video (support retaining the original sound, removing the original sound, and playing the original sound in reverse, etc.). Then choose [OK], and finally click [Deal with All]. Then, set the slow motion effect.
- [Video Editor: A video editor with a wide range of uses.] He would import the video that needed to be played in reverse and add it to the timeline. First, he would select the [Reverse] function to play it in reverse. Then, he would set the slow motion through the speed curve and other functions. For example, after turning around, he would add a point at the position where he wanted to slow motion and adjust the speed of the point to achieve the slow motion effect.
- Pocket Video Converters: An efficient video editing software. The video playback function that it supported was used to reverse the video, and then the software function was used to set the slow-motion effect.
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Close-up, slow-motion videoClose-up meant to focus on a specific part of a person or thing to highlight the characteristics of the person or thing. When shooting close-ups, one needed to control the focal length and depth of field of the lens to ensure the focus and clarity of the picture. At the same time, one had to make reasonable use of light and color, and one could use post-production techniques to color, modify, and edit to enhance the visual effect and emotional expression of the close-up.
One way to make a slow-motion video was to click on the rotating disc in the lower right corner, click on the same video, upload a video to the album, click on the inverted triangle, then click on the special effects, slide left on the bottom row of the toolbox, click on the time, and then click on the slow motion. At this time, the red border could be stretched or pulled to the position where you wanted to slow down and click on the save button. The other method was to click on the inverted triangle and then click Cut. When the video came to the middle, click Split, then click Shift, pull it to the left in slow motion, and then tick it to save it. Then, select the music, turn off the original sound, and click Next after the background music was played to the loudest.
However, there was no specific connection between the close-up and the slow-motion video, so it was impossible to accurately answer the specific connection between the two.
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Hero big move slow motion video tutorial latestIf you wanted to create a slow-motion video of a hero's ultimate move, you could refer to the following methods:
1. First, he recorded a video of Hero's opening. Then, he clicked on the lower left corner to open the clip. He chose to watch and edit to learn that there were similar templates. He imported a magnified video of the hero. It was about two seconds long. He clicked on the speed curve to change the speed and custom edit it. At the position where the ulti was about to be completed, he directly pulled the point behind it to the lowest point. Then, he moved the video line to the position where the ulti was about to begin and pulled this point to 0.1 times. He added a point at the back and increased it to 5.5 times. Then, he increased the last two points to 0.1 times. This formed the effect of alternating between fast and slow. He also selected the smart needle to generate smooth and slow. He imported the extracted music and dragged it to match the position of the burst. He added a vibration effect to the variety show and adjusted the appropriate parameters.
2. For the production of 3D slow-motion shots of Yasuo's ultimate move, professional 3D software was needed to model it and create animations based on the character's movements to simulate the process of Yasuo using the ultimate move. Then, he used a rendering software to render the model and animation to produce a high-quality image. Finally, he used editing software to edit multiple scenes, add special effects and sound, and create a shocking 3D slow motion scene. The production of Yasuo's 3D slow motion required the use of computer animation production technology, using 3D modeling software, special effects production software, animation rendering tools and other technical means to produce. The main processes included script writing, character design, scene design, animation production, and visual effects. These required professional operation and adjustment to present a smooth visual effect. Regarding this problem, to create the 3D slow-motion effect of Yasuo's big move, you need to use professional 3D production software, such as Maya, 3ds Max, etc. The general production steps were as follows: First, you need to build a 3D model of Yasuo, including characters, weapons, and special effects.
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Slow motion cameraThe slow-motion camera mainly relied on the principle of high-frame-rate shooting. Normal video frames were usually 24 or 30 frames per second, but slow motion photography required a higher frame rate, such as 120 frames per second. When played at 30 frames per second, the picture would be slowed down by four times.
In terms of equipment selection:
- ** Cameras **: Many modern cameras and smart phones have high frame rate shooting functions. Some professional cameras can reach 1000 frames per second, and some high-end smart phones support 240 frames per second slow motion mode. When choosing a camera, besides considering the frame rate, one also had to consider the sensor size and image quality.
- ** Lenses **: The choice of lens is also very important. The wide-angle lens can capture a wider scene, and the telephoto lens is suitable for shooting distant details. For slow-motion photography, it is recommended to use a large aperture lens to ensure that there is enough light for high-frame rate shooting, and to use a stabiliser or tripod to reduce the shaking and ensure the clarity of the picture.
- ** Lighting **: Slow motion photography often requires more light because high frame rate photography reduces the exposure time of each frame. For indoor shooting, you can consider using professional lighting equipment or natural light sources.
The high-speed camera could shoot high-speed moving objects (such as shells) with the help of a mirror. For example, when shooting the trajectory of the shell, a deflective reflective mirror could be used to reflect the movement of the shell into the high-speed camera lens. The camera remained still, and the rotation speed of the mirror could be obtained by calculating the flight speed of the shell, the angle of intersection, and the distance between the mirror and the shell. If the motion trajectory of the captured object is constantly shifting (such as playing table tennis), two mirrors can be used to do two-axis movement (X-axis and Y-axis). First, the horizontal image captured by the X-axis is reflected to the Y-axis, and then the Y-axis reflects the horizontal and vertical images to the camera to keep the image in the middle. Early tracking used non-optical motion capture (based on measuring inertia and mechanical motion), while modern optical motion capture tracked movement through software. AI artificial intelligence could identify object characteristics and simulate motion trajectories with computer controlled mirrors to better record high-speed moving objects.
In addition, there were also some special camera equipment, such as the Pikfang Pet Short videos Self-made Machine, which had an automatic shooting function. Although it was not a specialized slow-motion camera, it also reflected the development and innovation of the camera equipment.
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Traveling in slow motionThere were many practical techniques and precautions for slow-motion shots in travel photography. First of all, he had to understand the impact of equipment on the lens. For example, long shots were more obvious than wide shots. This knowledge would help him better use slow-motion shooting. Don't overdo it when using slow motion. Use it only when it adds color to the story and highlights a moment.
Take the Huawei P30 Pro as an example. Open the [camera], swipe to the right at the bottom to [more], click [slow motion], put the subject into the square box that appears, and press the screen to lock the focus and exposure to avoid blurring and under-exposure. The default slow motion was 32 times 960 frames per second, which could slow down the normal video by 40 times and show more details. He clicked on the [red dot] to start recording. The system would automatically take a picture when there was a moving object in the frame.
In terms of lens operation, such as wide-angle slow-motion card Hongya Cave, you can use the wide-angle rear camera, backhand lens operation technique, combined with 3:4 editing and "Night Flame" filter to obtain a good filming effect.
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