2)
Video capture.
The introduction of database resources
and the content of software applications teaching can be
captured by the Video capture software. As a free video capture
software, Wink
[3]
is easy to be operated. With knowledge of
the clip, the pause time and the convergence of each image in
the appropriate location should be considered. Sometimes
narration or description is needed or some content should be
removed to keep the continuity of the video.