Who knows what software was used to record the video of 5 1 self-study network? It's really clear

The "Windows Media Encoder" is used, and its biggest feature is that it is very small in size under the condition of ensuring clarity.

Windows Media Encoder 9 series is a powerful tool, which is undoubtedly a boon for content providers who want to make full use of many innovative functions in Windows Media 9 series, including high-quality multi-channel sound, high-resolution video quality, new support for mixed-mode sound and music content, and many other functions.

You can download it here: /0/ 15/3236/