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Preparing motion footage for import


    Some of the source footage you use may have been created digitally (for example, in Adobe Photoshop or Adobe Premiere), but other footage may need to be transferred to the computer from analog sources, such as film and videotape. When you work with After Effects, understanding some of the differences among media can help you decide how to handle footage as you transfer it between digital and analog devices. For more information, see Analog video, Analog film, Digital video, and Interlaced and noninterlaced footage.

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