- Standard-definition television (SDTV):
- 480i (NTSC-compatible digital standard employing two interlaced fields of 243 lines each)
576i (PAL-compatible digital standard employing two interlaced fields of 288 lines each)
- 480p (720 × 480 progressive scan)
576p (720 × 576 progressive scan)
- 720p (1280 × 720 progressive scan)
1080i (1920 × 1080 split into two interlaced fields of 540 lines)
1080p (1920 × 1080 progressive scan)
- 2K UHD (3840 × 2160 progressive scan)
4K UHD (7680 × 4320 progressive scan)
8K UHD (15360 × 8640 progressive scan)
- 480i (NTSC-compatible digital standard employing two interlaced fields of 243 lines each)
So broadcast equipment typically doesn't support any 4:3 (except NTSC & PAL 4:3) or 16:10 formats which makes it hard to utilize a lot of new projectors at their native WUXGA resolution which is now the new standard or any of the 4:3 projectors!