SW Version 2.04 30-January-2009 Page 54 of 128
down list. Valid choices are Pan Scan, Letterbox
(default), Combined and Off. The Aspect Ratio (AR)
Conversion provides options regarding the video aspect
ratio output of the decoder when the source is
widescreen (16:9). The possible options are shown in the
figure below.
AR Conversion Standard Select the aspect ratio conversion standard from the
drop down list: The options are “Normal”, “DTG”, and
“AFD Manual”. The standard chosen affects the AR
conversion and WSS value. (See table 2 below).
Signal Standard Select the video signal standard. Options are PAL
(default) and SECAM (SECAM L).
This parameter is not configurable for the HP RF
Decoders (it is defined by the firmware installed on the
Decoder module).
Figure 45 - Illustration of the video aspect ratio conversion parameter
AR Conversion
Standard
Description
Normal The selected AR Conversion is used. WSS value: Source is
Aspect Ratio from video stream
DTG Digital Video Group 4.0: AR Conversion and WSS values are
handled according to this specification
AFD Manual The selected AR conversion is used. WSS value: Source is AFD
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