sdtv_mode=
0
Normal NTSC
1
Japanese version of NTSC — no pedestal
2
Normal PAL
3
Brazilian version of PAL — 525/60 rather than 625/50, different subcarrier
16
Progressive scan NTSC
18
Progressive scan PAL
0x20
NTSC50
0x22
PAL60
0x30
Progressive NTSC50
0x32
Progressive PAL60
sdtv_aspect=
1
4:3
2
14:9
3
16:9
cmdline.txt
NTSC: video=Composite-1:720x480@60ie
PAL: video=Composite-1:720x576@50ie
*(i=interlaced e=force)