Apple Final Cut Express HD - Manual (Page 1065)

Appendix C Working With Anamorphic 16:9 Media 1065
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This should be done before adding any 16:9 clips to a 16:9 sequence. If a 16:9 clip is
edited into a 4:3 sequence (the Anamorphic setting is turned off ), the clip is scaled
to fit in the 4:3 frame, which requires rendering.
Changing Clip Properties for Anamorphic Media
If you’ve captured anamorphic media but didn’t use an Easy Setup that had the
Anamorphic option turned on, you can change the anamorphic clip property in the
clip’s item properties or in the Browser. Make sure you enable the Anamorphic property
for all clips before you begin editing.
Important: QuickTime media files do not have an embedded anamorphic metadata
flag, only clips do. If you import anamorphic media, you need to manually enable the
anamorphic property for the clips created in the Browser.
If you’ve already added a clip to a sequence, the clip settings default to the current
sequence settings.