In general, higher resolution is preferable, but there are trade-offs. Older CCD cameras are usually standard definition (640×480, often called SD). Newer consumer video cameras are high definition format (1920×1080 pixels, often called HD or 1080p). At this point, it should be clear which scenes are necessary. The storyboard would include simple diagrams of the scenes that will appear in the video, corresponding to each step of the procedure. After listing the necessary steps and details, make an outline and storyboard. Keep the video as short and simple as possible while still accomplishing its goals. Next, given the purpose of the video, decide what must be included and what can be omitted. If the video is intended for wide distribution, avoid referring to specific makes of equipment if possible, since viewers elsewhere may have different equipment. For the former, concentrate on the steps the viewer will have to take, leaving explanations for a separate text for the latter, you might concentrate on reasons behind some steps and omit others entirely. Should it train students to carry out procedures in lab? Should it illustrate how a procedure works, in general, for students in a lecture class? These purposes suggest different levels or types of detail. Be clear about what the video should accomplish. If so, they are often faster to produce, as well as requiring less time for a viewer to use. Sometimes, a clear diagram and written description may suffice. First, ask whether video is the best way to make your point.
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