Apple Final Cut Express 4 - Manual (Page 899)

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Rendering and Video
Processing Settings
When you apply more effects to a clip than your computer
can process in real time, you need to render temporary media
files to play your sequence in real time.
This chapter covers the following:
 What Is Rendering? (p. 899)
 Render Indicators in Final Cut Express (p. 900)
 The Rendering Process (p. 904)
 Changing Render Settings (p. 912)
 Managing Your Render Files (p. 914)
 Tips for Avoiding Unnecessary Rendering and Reducing Render Time (p. 916)
What Is Rendering?
Any time Final Cut Express must perform more calculations than your computer can
handle in real time, you need to render. Rendering is the process of creating temporary
video and audio render files for segments of your sequence that Final Cut Express cannot
play in real time. When you render a segment of your sequence, Final Cut Express
substitutes a render file for the segment during playback. Render status bars above the
ruler in the Timeline indicate which sections can play back in real time and which
segments require rendering.
Because rendering takes time away from the editing process, the goal is to render as
little as possible. For more information about real-time playback, see Chapter 56, “
Using
RT Extreme ,” on page 881.