User Manual

Mixing Frame Sizes and Aspect Ratios
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Pillarbox/Letterbox preserve
aspect ratio
Scales the clip to create the largest possible image without
cropping, while maintaining the original aspect ratio.
The illustration shows two examples. When you edit a 16:9 clip into a 4:3 sequence (left), the
resulting segment has horizontal bars at the top and the bottom. When you edit a 4:3 clip into a 16:9
sequence (right), the resulting segment has vertical bars at the sides.
Center crop, preserve aspect
ratio
Scales and crops the clip to be the smallest size possible while
filling the entire frame. The resulting image is centered in the
frame.
The illustration shows two examples. When you edit a 16:9 clip into a 4:3 sequence (left), the
resulting segment is cropped at the sides. When you edit a 4:3 clip into a 16:9 sequence (right), the
top and the bottom of the segment are cropped.
Center, keep original size Centers the clip in the sequence but does not resize it. If the
source clip is not the same size as the sequence, the clip is either
cropped or does not cover the whole of the sequence frame.
Option Description