GUIDE TO INSTALLATION AND OPERATION
XVP-3901 |
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5.3.2 Advanced tab
This tab provides individual controls for each of these parameters.
5.4 Video Outputs panel – 3G/HD Output tab
This panel allows control over several aspects of the video
output:
•
aspect ratio conversion
•
timing control
•
image quality processing
•
metadata insertion.
The upper portion of the panel is occupied by two video
screen images, labelled
Input
and
Output.
These screens do
not show the actual video being processed by the XVP-
3901, but rather show graphic images that represent the
geometric aspects of the input signal and the output that
results after it is exposed to the current ARC processing
functions. The image is a green circle on a white
background; the circle is used because it is easy to see if it
is asymmetrical. Lines on the images indicate protected
areas for the AFD implementation.
Aspect Ratio Conversion (ARC) modifies the video active
picture shape as the signal is converted between SD at 4:3
aspect ratio and HD/SD at 16:9 aspect ratio. If the input is
simply stretched or squeezed to fit the output, the image will
be asymmetrically distorted; this is called
anamorphic
distortion. If the image is expanded or contracted
symmetrically, it must be cropped, and/or have new blank
background segments added to it, in order to fill the output picture. The ARC processing in the XVP-3901 allows a
wide range of symmetrical and asymmetrical picture size modification, coupled with cropping and background
addition, to be applied to an input signal.
Y Cb Cr mode
RGB mode
Slider name
Range
Slider name
Range
Y Gain
-800 to +800
G Gain
-800 to +800
Cb Gain
-800 to +800
B Gain
-800 to +800
Cb Gain
-800 to +800
R Gain
-800 to +800
Y Offset
-100 to +100
G offset
-100 to +100
Cb Offset
-100 to +100
B Offset
-100 to +100
Cr Offset
-100 to +100
R Offset
-100 to +100
Figure 5.9 Video Processing – Advanced tab
Figure 5.10 Video Outputs – 3G/HD Output