Grass Valley K2 Media Client System Guide v.3.3 - Manual (Page 207)

June 9, 2009 K2 Media Client System Guide 207
Supported conversions from SD to HD using AFD
Supported conversions from HD to SD using AFD
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
a
The SMPTE standard describes two valid AFD codes. The K2 system uses the
second value.
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
Source
AFD and aspect ratio Source image Conversion
performed Converted
AFD and
aspect ratio Converted
image
AFD = 1010
a
AR = 16:9
a
The SMPTE standard describes two valid AFD codes. The K2 system uses the sec-
ond value.
Scale down
letterbox AFD = 1010
AR = 4:3
AFD = 1001
AR = 16:9 Scale down
crop horizontal AFD = 1001
AR = 4:3
AFD = 1010
a
AR = 16:9
Scale down AFD = 1010
a
AR = 16:9
AFD = 1011
AR = 16:9 Scale down
Crop horizontal
letterbox AFD = 1011
AR = 4:3
AFD = 1111
AR = 16:9 Scale down crop
horizontal AFD = 1001
AR = 4:3