Table B.10 Video Resizing (SD) Specification
25 Hz format 29.97 Hz format Process Comment
1920x1080 1920x1080
1280x720 1280x720
720x576@25
(pass-thru)
720x480@29.97 (pass-
thru)
Scale 1/1
704x576@25 704x480@29.97
Scale 1/1 and blank 8
pixels at left and right
edges
640x576@25 640x480@29.97 Scale 8/9
544x576@25 544x480@29.97
Scale 3/4 and add 2 blank
pixels to left and right
edges
528x576@25 528x480@29.97
Scale 3/4 and blank 6
pixels at left and right
edges in scaled image
480x576@25 480x480@29.97 Scale 2/3
352x576@25 352x480@29.97
Scale 1/2 and blank 4
pixels at left and right
edges in scaled image
If the output resolution is changed, the pre-processor ensures the change occurs at
a GOP boundary and that the previous GOP is closed.
Video Profiles
Depending on the option module fitted the following video profiles are supported.
Table B.11 Video Profiles (SD) Specification
Profile Available on Option Module Profile
H.264
SD Main Profile Level 3.0 4:2:0 8 bit EI9001 AVP/SWO/MP4
SD High Profile Level 3.0 4:2:0 8 bit EI9001 AVP/SWO/MP4
MPEG-2
SD Main Profile Main Level 4:2:0
8 bit
EI9001 AVP/SWO/MP2
B.3.6.4 Impairment Reduction
Spatial Filtering through De-blocking
For H.264 encoding, the perceived image quality is further enhanced by utilizing a
de-blocking filter in the feedback loop.
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