advanced television systems committee standards 

Statements about this table:
4:3 be the aspect ration if the vertical pixel be 480 and the pixel aspect ration be 1:1
1080 be the minimum vertical measurement for an aspect ratio of 16:9 and interlace scan
480 be the maximum vertical measurement for the 640 horizontal measurement
the aspect ratio , if the vertical pixel be 480 , and the pixel aspect ratio be 1:1 , be 16:9
vertical
horizontal
aspect ratio
pixel aspect ratio
1080
1920
16:9
1:1
1080
1920
16:9
1:1
720
1280
16:9
1:1
480
704
4:3 or 16:9
smpte 259 m
480
704
4:3 or 16:9
smpte 259 m
480
640
4:3
1:1
vertical
scanning
frame rate ( hz )
1080
progressive
23.976 24 29.97 30
1080
interlaced
29.97 (59.94 fields / s) 30 (60 fields / s)
720
progressive
23.976 24 29.97 30 59.94 60
480
progressive
23.976 24 29.97 30 59.94 60
480
interlaced
29.97 (59.94 fields / s) 30 (60 fields / s)
480
progressive
23.976 24 29.97 30 59.94 60