Adobe PREMIERE 5 User Manual page 171

Click one of the following Processing Options:
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Select None if you don't want to process source clip fields.
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Select Interlace Consecutive Frames to convert pairs of progressive-scan (non-interlaced)
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frames into interlaced fields. This option is useful for converting 60 fps progressive-scan
animations into 30 fps interlaced video, because many animation applications don't create
interlaced frames.
Select Always Deinterlace if you want to convert interlaced fields into whole progressive-
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scan frames. Premiere deinterlaces by discarding one field and interpolating a new field
based on the lines of the remaining field. It keeps the field specified in the Field Settings
option (see "Keyframe and rendering options" on page 64 and "Exporting video files" on
page 304). If you specified No Fields, Premiere keeps the Upper Field unless you selected
Reverse Field Dominance, in which case it keeps the lower field. This option is useful when
freezing a frame in the clip.
Select Flicker Removal to stop a small object in a picture from flickering, such as a one-
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pixel horizontal line. This option is sometimes known as vertical convolution, and can be
useful with still images. If an object is as thin as a single scan line, it may appear only in
one of the two video fields. This causes flicker because the object is drawn only as every
other field appears. When you select Flicker Removal, Premiere blurs the two fields
together slightly so that thin objects appear at least partially in both fields. The full
resolution of the frame is preserved.
Select Deinterlace When Speed is Below 100% to automatically identify and retain fields
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that would best provide smooth-looking slow motion. The field it keeps may vary from
frame to frame depending on where that frame occurs in time. When you're done,
click OK.
ADOBE PREMIERE 5.0 163
User Guide