Start PowerPoint and create a new slide.
2 Click the Insert tab, click Video-"Video on PC" To insert a video, and the effect after the insertion is shown in the following illustration.
3 The effect after the insert is shown in the following illustration, and the next step is to trim the video.
4 Select the video, at which point the video tool (including the format and Playback tabs) is displayed, click the Play tab, and then click Clip Video.
5 to open the Trim Video dialog box, you can drag the start and end handles shown in the circle below to trim the video, and then click OK to finish clipping the video.
Note: Of course, you can directly enter the start time and end time to trim the video (shown in the following figure box).
ways/steps to trim audio
The method of clipping audio is similar to video. With the audio selected, the audio tool (including the format and Playback tabs) is displayed, click the Play tab, and then click Trim Audio.
Opens the Trim Audio dialog box, which you can drag to trim the audio by dragging the start and end handles shown in the following circle, and then clicking OK to finish cutting the audio.
Note: Of course, you can directly enter the start time and the end time to trim the audio (as shown in the following figure box).
Video or audio dilution processing:
In order not to allow clipping of video or audio, not too much rigidity, you can dilute it. Click to select the video or audio, and then click the Play tab to set the fade duration fading in and fade out.Classification: