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Chapter 16. Output > Movie Files and Compression

Movie Files and Compression

When you select QuickTime Movie or Video for Windows as the format, pressing the Format Options button opens a dialog box for choosing compression settings. To choose the settings most appropriate for your output goals, you'll need some knowledge of video compression in general, and some familiarity with particular compression schemes, or codecs.

Generally speaking, your choices are dictated by your playback equipment, your image quality goals, or your data rate limitations. For example, if your movie file is destined for use with a nonlinear editing system, such as an AVID or Media100, you would render a movie using the system's native codec. On the other hand, you may want to output an uncompressed file to maintain the highest image quality. Even if you don't have the hardware required to play back such a large file in real time, you could deliver it to a postproduction facility to be transferred to tape or film. Alternatively, you may need to present your movie on the Web, so choosing settings that produce a small file with a low data rate may be your priority.


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