Desktop recording tools can help you whip up tutorials for the classroom or online demonstrations.
A picture might be worth a thousand words, but a video demonstration can save a lot of talking. I'm a visual learner, so seeing how to do something has been very helpful in my education. I've found that students benefit from seeing exactly how an application is configured or how a code snippet is written. Desktop screen recorders are great tools for creating instructional videos. In this article, I'll look at two free, open source desktop screen recorders: SimpleScreenRecorder and Kazam.
SimpleScreenRecorder
SimpleScreenRecorder lets you easily record desktop action. It has an untuitive interface and the ability to record in MP4, OGG, Matroska, or WebM format. SimpleScreenRecorder is released under the Gnu Public License and runs on Linux.
After installing and launching the program, you can easily configure it to capture the whole desktop, a specific window, or a select area. The latter is my personal favorite because it focuses the learner's attention on exactly where I want them to look. You can record the cursor or not, adjust the frame rate, scale the video, and adjust the audio backend, which includes three options: ALSA, JACK, and PulseAudio. Video frame rate defaults to 30fps.
Because SimpleScreenRecorder uses libav/ffmpeg libraries for encoding, it supports a variety of file formats and video codecs. Different profiles can be used (faster profiles mean bigger file sizes), including YouTube, LiveStream (1000kbps), LiveStream (2000kbps), LiveStream (3000 kbps), and high-quality intermediate.
Read full article at https://opensource.com/education/16/10/simplescreenrecorder-and-kazam
Related article: Video file manager
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