Sony DVS-9000 User Manual page 84

Crop
This effect crops away the edges of the image. You can crop the top, bottom,
left, and right sides individually or all together. You can also soften the cropped
edges.
Defocus
Defocuses the whole image. The degree of defocusing can be set separately for
video signals and key signals. You can also cancel the black level leaking that
occurs at the edge of the screen when the Defocus effect is used.
Blur
Applies a rounded blurring to the whole image.
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Digital Multi Effects (DME)