Grass Valley K2 System Guide v.9.0 - Manual (Page 234)

Converted image Converted AFD
and aspect ratio Conversion
option Presumed source image Source aspect
ratio
AFD = 1010
AR = 16:9 SD
No conversion
(only if ARC set
to ‘stretch’) 16:9 SD
widescreen
AFD = 1010
AR = 4:3 SD
“bars”
Scale down
letterbox
16:9 HD
AFD = 1001
AR = 4:3 SD
“crop”
Scale down
Crop horizontal
AFD = 1010
AR = 16:9 SD
“stretch”
Scale down
AFD = 1011
AR = 4:3 SD
“half bars”
Scale down
Crop horizontal
Letterbox
Supported conversions from SD to HD using AFD
Converted image Converted AFD
and aspect ratio Conversion performed Source image Source AFD and aspect
ratio
AFD = 1010
AR 16:9 HD
Scale up
crop vertical
AFD = 1010
AR 4:3 SD
AFD = 1001
AR 16:9 HD
Scale up
pillarbox
AFD = 1000 or 1001
AR 4:3 SD
AFD = 1010
4
AR 16:9 HD
Scale up AFD = 1010
AR 16:9 SD
AFD = 1011
AR 16:9 HD
Scale up
Crop vertical
pillarbox
AFD = 1011
AR = 4:3 SD
4
You can change the default converted value of AFD = 1010 to be AFD = 1001. This setting is in K2 AppCenter Configuration
Manager play channel video settings.
234 K2 System Guide 06 November 2012
Specifications