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Aspect Ratio
The Aspect Ratio adjustment (see
between aspect ratio conversion modes to fill the entire window (FILL), scale up to fit the
window and keep the original aspect ratio (FIT), or to allow each input rate to display in its
native aspect ratio with respect to the channel window (FOLLOW).
Figure 17.
Video Configuration Aspect Ratio
Aspect Ratio Screen Appearance
FOLLOW
FIT
FILL
NOTE: The SME 211 has a scaler for each encoder allowing the resolution to be
different for each, but the signal path is from Encoder 1 to Encoder 2. This aspect
ratio setting affects the input to Encoder 1 and Encoder 2 and is always set to 'fill' the
output from Encoder 1. In addition, custom resolutions are centered within the next
largest standard resolution and padded with a black border on the HDMI output.
in figure 17 below) allows the user to select
1
1
Description
The input format passes unchanged.
A 4x3 format (represented by the red
block on the left) remains at its original
aspect ratio. The vertical dimension
fills, but not the horizontal dimension
of the output. Letter box or pillar
bars can be applied based on the
horizontal and vertical size settings.
The input format is zoomed to fill the
output with top and bottom or left and
right information cropped out in order
to fit the screen without letter boxing
or adding pillars. Some loss of image
occurs, represented by the dimmed
image outside the red box.
The input format is non-uniformly
scaled to fill the 16x9 output. A 4x3
input fills the horizontal and vertical
screen of the output with some
distortion of the input (default).
SME 211 • Web-Based User Interface
27
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