If you plan on bringing your transparent file into one of the other Adobe applications, you can save it as a native Photoshop document. The alpha channel is how video editing applications recognize transparency. For this lesson you are going to open a pre-built file and save it as a TIFF with an alpha channel. Here you will use the TIFF format to save an image with transparent areas. Each of the video applications on the market has its own set of importable formats.
The main thing you have to be concerned about is transparency. Most video graphics are prepared in Photoshop Elements for import into either motion graphics programs like Adobe After Effects, or editing applications like Adobe Premiere Elements. Imagery intended for video depends as much on what you plan to do with it after it leaves Photoshop Elements, as on the content of the actual imagery. The safe margins are automatically a part of every new file created with the film and video presets in Photoshop Elements. The action safe area is the outer margin, and the title safe area is the inner margin created by the eight sets of overlapping guidelines. If you are creating graphics for video projects that are only going to be displayed on a computer, then you can ignore them completely, as computers don’t crop the visible area of video files. Safe margins are only applicable to video files that are going to be displayed on a television. The video presets that ship with Photoshop Elements include guides that define the safe margins of the image for you. The title safe area, which encompasses approximately 80 percent of the frame size, defines the boundary of where text should be placed. The action safe area, which encompasses about 90 percent of the frame, is where you should be safe to have movement or animation. Called safe margins, they define the area where it should be safe to place your content. Two sets of margins have been created to ensure that you never have a title or image that vanishes off the side or bottom of the screen.
Because of the nature of the television medium, if you were to create a graphic that took up the entire frame size, parts of it would not be displayed on all TVs.
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