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Introduction#

I changed my laptop system to Linux for the third time. This time I used ubuntu 18.04, which was almost perfectly adapted. I usually write code very smoothly, but the boss asked me to make a matlab design filter video, and then submit a ppt.

This is completely a typical Windows task. Think about how to complete it on Ubuntu.

Matlab

(Due to time constraints, I have not paid attention to how to install matlab on Ubuntu for the time being. The matlab operation video is completed on the Windows side.)

recording#

The recording uses Audacity, and I am not sure if it can be downloaded from the software center. I searched for appimage and downloaded it. appimage is equivalent to a standalone independent program.

When you need to export, select Fiel->Export Audio in the menu bar.

Clip#

The clip here uses kdenlive, and the appimage version is also downloaded.

The interface of kdenlive looks similar to the picture sound and sound, and there may be fewer special effects and animation effects.

Right-click in the upper left corner and select Add Clip to add a clip, and then drag it to the video track or audio track below.

Right-click on a certain point of the track and select Split At Playhead to split the track, and then you can edit happily.

Screenshot#

The current way of taking screenshots is not very elegant, so there are few screenshots in this article. . . .

The specific method is PrtSc on the keyboard, which is the PrintScreen button. After pressing it, the screenshot will be saved to the Pictures in the home directory.

If you want to cut subsequent pictures, you can use mtPaint Graphic Editor.

New discovery#

The differences between Ubuntu and Windows:

You cannot drag the file to the software icon in the quick launch bar on the left to open the file
When copying and pasting files, there is only a path in the clipboard; therefore, you cannot upload pictures by copying and pasting into the web editor

Direction to continue working hard#

The screenshot tool should be similar to the WeChat screenshot function on the windows side
Add icons to appimage software for quick start
Add file extension binding to appimage to realize double-clicking the file to open the file with the specified software (the default software in the current settings does not support custom software)

Audio and video editing tool stack under ubuntu