Grass Valley K2 Media Client User Manual v3.3 - Manual (Page 268)

268 K2 Media Client User Manual June 5, 2009
Appendix B Specifications
Default generated AFD values when down-converting to SD
Supported conversions from SD to HD using AFD
Source
aspect ratio Presumed a source
image
a
Source image is presumed based on the conversion that has been selected.
Conversion
option Converted
AFD and
aspect ratio Converted image
4:3
SD No
conversion AFD = 1001
AR 4:3
SD
16:9
SD No
conversion
(only if
ARC set to
‘stretch’) AFD = 1010
AR 16:9
SD
16:9
HD Scale down
letterbox AFD = 1010
AR 4:3
SD
“bars”
Scale down
Crop
horizontal AFD = 1001
AR 4:3
SD
“crop”
Scale down AFD = 1010
AR = 16:9
SD
“stretch”
Scale down
Crop
horizontal
Letterbox AFD = 1011
AR = 4:3
SD
“half bars”
Source
AFD and aspect
ratio Source image Conversion
performed Converted
AFD and
aspect ratio Converted image
AFD = 1010
AR 4:3
SD Scale up
crop vertical AFD = 1010
AR 16:9
HD
AFD = 1001
a
AR 4:3
SD
Scale up
pillarbox AFD = 1001
AR 16:9
HD
AFD = 1010
a
AR 16:9
SD
Scale up AFD = 1010
a
AR 16:9
HD
AFD = 1011
AR = 4:3
SD Scale up Crop
vertical pillarbox AFD = 1011
AR 16:9
HD