How does DV editing work?
Once the digital video has been compressed and captured onto your computer’s hard drive, editing encompasses two basic functions – database management and rendering. The database management aspect means keeping track of where your various scenes are, how long you want them to be, and then in what order you want them to play back in. For example, when you trim a scene – figuring out where the scene begins and ends, you are not really changing the scene at all. You are simply telling the editing software’s database to keep track of these new video locations and use them when playing back the video. This is why it is easy to change your clip in’s and out’s as well as to create alternate trims of the same clips. When you edit your video together, the database then keeps track of which scene should be played first, which should be played second, and so on. If your entire movie consisted only of cuts, the video would not have to change at all. The database would simply have to keep track of
