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200 Barco - RHDM-2301 - User manual
Addendum
• For 16:9 signal formats and when the safe area markers are defined relative to the image bor-
ders (1920x1080, 1280x720 and Wide SD):
Table 13: Safe area markers defined for 16:9 formats and relative to image borders
• For 4:3 signal formats and when the safe area markers are defined relative to the image borders
(standard definition 480i and 576i):
Table 14: Safe area markers defined for 4:3 formats and relative to image borders
NOTE
:
The percentages define the reduction of the image on one side of the screen. The reduction takes place at both
sides of the screen and thus the total reduction is defined as twice the percentage tabulated for both horizontal and
vertical.
Overscan note:
The EBU and ITU recommendations work under different assumptions: EBU reduces the image by
18 pixels (2.5% of 720) of a SD signal to compensate for overscan, while ITU starts from the full
720 pixel width. The display unit always uses the full width of the signal, even when calculating EBU
standard safe area markers.
SMPTE note:
SMPTE only defines standards for safe area markers relative to image borders. The display unit
uses the percentages recommended by SMPTE for safe area markers relative to the aspect ratio
marker.
4:3 signal safe area markers note:
The standards only define safe areas for 4:3 signals for retention of the 14:9 central zone. The