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7700 MultiFrame Manual
7710UC-KF HD Key/Fill Up Converter
6.4.5. User aspect ratio setting.
There are four registers for each input video standard that set the portion of the input picture that will be
converted. These register settings do not have any effect when the pre-defined aspect ratios are used.
Scaler
Input H Start
Input H Stop
Scaler
Input V Start
Input V Stop
There are four registers for each output video standard that define the size of the output image and how to
place the resulting image on the output video raster.
Scaler
Output H Start
Output H Stop
Scaler
Output V Start
Output V Stop
6.5.
CONFIGURING THE VIDEO PROCESSING FUNCTIONS
The Video Proc menus are used to configure parameters associated with the video processing functions
of the key and fill up converter. The chart below shows the items available in the Video Proc menu.
Sections 6.5.1 to 0 give detailed information about each of the menu items.
ALL of these parameters affect the video in real time. H&V frequency bands will
cause hits to the video while a new filter is loaded.
7710UC-KF-16
The Input H Start and Input H Stop define the horizontal portion of the input
image to process to the output
The Input V Start and Input V Stop define the vertical portion of the input
image to process to the output
The Output H Start and Output H Stop define how to scale the cropped
input image horizontally and where to place it horizontally on the output
raster. The image will be stretched to fill the width. The range of values
for 1080i output is 0 to 1919. The range of values for 720p output is 0 to
1279.
The Output V Start and Output V Stop define how to scale the cropped
input image vertically and where to place it vertically on the output raster.
The image will be stretched to fill the height. The range of values for
1080i output is 0 to 1079. The range of values for 720p output is 0 to
719.
Revision 0.2
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