Audio render status bars – Apple Final Cut Express HD User Manual
Page 881
Chapter 60
Rendering
881
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Audio Render Status Bars
The color of the audio render bar above the Timeline ruler indicates whether the items
below need to be rendered.
Several other indicators show you the playback status of clips in your sequences:
 “Unrendered” message in the Viewer or Canvas: When video material that requires
rendering is playing in the Viewer or Canvas, and the Play Base Layer Only option
in the Real-Time Effects (RT) pop-up menu in the Timeline is not selected, a blue
background with the word “Unrendered” appears, indicating that the video can’t
play in real time.
 Beeps in the Viewer or Canvas: When audio material that requires rendering is played in
the Viewer or Canvas, a steady beep indicates that the material can’t play in real time.
You can turn off the beeps in the Playback Control tab of the System Settings window.
 Item render bars: Audio clip items in the Timeline that require sample rate conversion
also display individual render bars (for example, audio clip items that were captured
at 44.1 kHz but have been edited into a sequence set to 48 kHz).
Note: For more information on audio rendering and item render status bars, see “
Color
Real-time playback state
Dark gray
No rendering is required.
Blue-gray
Sections of a sequence have been rendered using the Mixdown
command.
Red
Sections of the Timeline contain audio items that cannot play in
real time and that require rendering. Sections of sequences
needing to be rendered play audible beeps.
When this message
appears, video won’t play
back in real time.