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Default generated AFD values when down-converting to SD

Source image is presumed based on the conversion that has been selected.

Source aspect ratio Presumed source image Conversion option Converted AFD and aspect ratio Converted image
4:3 SD

not widescreen

No conversion AFD = 1001

AR = 4:3 SD

16:9 SD

widescreen

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”


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