'HDMI-DisplayPort-USB-C'에 대한 특별 연재→별첨1
▶'HDMI Forum' 제시→'해상도-주사율-컬러비트-샘플링'에 따른 HDMI 전송량
해상도/ 주사율 | 크로마 샘플링 | 컬러비트 | 전송 량 (Gaps) | 케이블 | 해상도/ 주사율 | 크로마 샘플링
| 컬러비트 | 전송 량 (Gaps) | 케이블 |
SD 480/60i | 4:2:0 | 8 | 0.81 | Standard | 5K 100~120p | 4:2:0* | 8 | 20.05 | Uitra |
SD 576/50i | 4:2:0 | 8 | 0.81 | Standard | 4:2:0* | 10 | 25.06 | Uitra |
HD 720/50~60p | 4:2:0/4:2:2 | 8 | 2.23 | Standard | 4:2:0* | 12 | 30.07 | Uitra |
HD 1080/50~60i | 4:2:0/4:2:2 | 8 | 2.23 | Standard | 4:2:2 | 8, 10 or 12 | 40.1 | Uitra |
FHD 1080/24~30p | 4:2:0/4:2:2 | 8, 10 or 12 | 2.23 | Standard | 4:4:4/RGB | 8 | 40.1 | Uitra |
FHD 1080/50~60p | 4:2:0/4:2:2 | 8, 10 or 12 | 4.455 | High Speed | 4:4:4/RGB | 10 | 50.12 | Uitra# |
4:4:4/RGB | 8 | 4.455 | High Speed | 4:4:4/RGB | 12 | 60.14 | Uitra# |
4:4:4/RGB | 10 | 5.57 | High Speed | 8K 24~30p | 4:2:0* | 8 | 17.82 | Premium |
4:4:4/RGB | 12 | 6.68 | High Speed | 4:2:0* | 10 | 20.05 | Uitra |
FHD 1080/100~120p | 4:2:0/4:2:2 | 8, 10 or 12 | 8.91 | High Speed | 4:2:0* | 12 | 24.06 | Uitra |
4:4:4/RGB | 8 | 8.91 | High Speed | 4:2:2 | 8, 10 or 12 | 32.08 | Uitra |
4:4:4/RGB | 10 | 11.14 | High Speed | 4:4:4/RGB | 8 | 32.08 | Uitra |
4:4:4/RGB | 12 | 13.37 | High Speed | 4:4:4/RGB | 10 | 40.1 | Uitra |
4K 24~30p | 4:2:0/4:2:2 | 8, 10 or 12 | 8.91 | High Speed | 4:4:4/RGB | 12 | 48.11 | Uitra |
4:4:4/RGB | 8 | 8.91 | High Speed | 8K 48~60p | 4:2:0* | 8 | 40.1 | Uitra |
4:4:4/RGB | 10 | 11.14 | Premium | 4:2:0* | 10 | 40.1 | Uitra |
4:4:4/RGB | 12 | 13.37 | Premium | 4:2:0* | 12 | 48.11 | Uitra |
4K 48~60p | 4:2:0* | 8 | 8.91 | Premium | 4:2:2 | 8, 10 or 12 | 64.15 | Uitra# |
4:2:0* | 10 | 11.14 | Premium | 4:4:4/RGB | 8 | 64.15 | Uitra# |
4:2:0* | 12 | 13.37 | Premium | 4:4:4/RGB | 10 | 80.19 | Uitra# |
4:2:0/4:2:2 | 8, 10 or 12 | 17.82 | Premium | 4:4:4/RGB | 12 | 96.23 | Uitra# |
4:4:4/RGB | 8 | 17.82 | Premium | 8K 100~120p | 4:2:0* | 8 | 64.15 | Uitra# |
4:4:4/RGB | 10 | 20.05 | Uitra | 4:2:0* | 10 | 80.19 | Uitra# |
4:4:4/RGB | 12 | 24.06 | Uitra | 4:2:0* | 12 | 96.23 | Uitra# |
4K 100~120p | 4:2:0* | 8 | 17.82 | Premium | 4:2:2 | 8, 10 or 12 | 128.3 | Uitra# |
4:2:0* | 10 | 20.05 | Uitra High | 4:4:4/RGB | 8 | 128.3 | Uitra# |
4:2:0* | 12 | 24.06 | Uitra High | 10K 24~30p | 4:2:0* | 8 | 20.05 | Uitra |
4:2:2 | 8, 10 or 12 | 32.08 | Uitra High | 4:2:0* | 10 | 25.06 | Uitra |
4:4:4/RGB | 8 | 32.08 | Uitra High | 4:2:0* | 12 | 30.07 | Uitra |
4:4:4/RGB | 10 | 40.1 | Uitra High | 4:2:2 | 8, 10 or 12 | 40.1 | Uitra |
4:4:4/RGB | 12 | 48.11 | Uitra High | 4:4:4/RGB | 8 | 40.1 | Uitra |
5K 24~30p | 4:2:0/4:2:2 | 8, 10 or 12 | 11.88 | Premium | 4:4:4/RGB | 10 | 50.12 | Uitra# |
4:4:4/RGB | 8 | 11.88 | Premium | 4:4:4/RGB | 12 | 60.14 | Uitra# |
4:4:4/RGB | 10 | 14.85 | Premium | 10K 48~60p | 4:2:0* | 8 | 40.1 | Uitra# |
4:4:4/RGB | 12 | 17.82 | Premium | 4:2:0* | 10 | 50.12 | Uitra# |
5K 48~60p | 4:2:0* | 8 | 11.14 | Premium | 4:2:0* | 12 | 60.14 | Uitra# |
4:2:0* | 10 | 13.92 | Premium | 4:2:2 | 8, 10 or 12 | 80.19 | Uitra# |
4:2:0* | 12 | 16.71 | Premium | 4:4:4/RGB | 8 | 80.19 | Uitra# |
4:2:2 | 8, 10 or 12 | 20.05 | Uitra | 4:4:4/RGB | 10 | 100.24 | Uitra# |
4:4:4/RGB | 8 | 20.05 | Uitra | 4:4:4/RGB | 12 | 120.29 | Uitra# |
4:4:4/RGB | 10 | 25.06 | Uitra | 10K 100~120p | 4:2:0* | 8 | 80.19 | Uitra# |
4:4:4/RGB | 12 | 30.07 | Uitra | 4:2:0* | 10 | 100.24 | Uitra# |
- | - | - | - | - | 4:2:0* | 12 | 120.29 | Uitra# |
*YCbCr 4:2:0 sampling mode(Y420VDB) #Display Stream Compression (DSC) automatically applied to operate within 48Gbps link NOTE : HDMI 2.1 supports 8-, 10-, 12- &16-bit color options, with supports for startic and dynamic HDR |
▶HDMI-DisplayPort 전송량 계산 공식
가로 해상도 | x | 세로 해상도 | x | 주사율 | x | 컬러비트 | = | 실 전송 데이터량 |
기본 해상도가 아닌 Video Timing 해상도 (허수 블랭킹 해상도) *HDMI : CTA-861 *DP : CVT-RB/R2 |
| *30Hz *60Hz *120Hz · · · |
| RGB 3색 컬러비트 값 *24(8x3)bit *30(10x3)bit *36(12x3)bit |
| 4:4:4(RGB) 값 *4:2:2는, 4:4:4÷1.5 *4:2:0은, 4:4:4÷2 |
▶전송량(HDMI Forum 제시/HDMI 2.1 기준) 계산 예(FEC 적용X)
①4K/120Hz 10bit/4:4:4 RGB 40.1Gbps
4400 x 2250 x 120 x 30=35.64Gbps÷(16÷18)=40.1Gbps
②8K/60Hz 10bit/4:2:0 40.1Gbps
9000x4400 x 60 x 30=71.28Gbps÷2÷(16÷18)=40.1Gbps
③8K/60Hz 10bit/4:4:4 RGB=80.19Gbps *9000x4400 x 60 x 30=71.28Gbps÷(16÷18)=80.19Gbps←전송량 *가로x세로 허수 블랭킹 해상도 x 주사율 x 컬러비트=실 전송 데이터량(RGB 4:4:4) ÷코딩체계(16b/18b)=80.19Gbps←전송량 |
④8K/120Hz 10bit/4:2:0=80.19Gbps *8800x4500 x 120 x 30=142.56Gbps÷2÷(16÷18)=80.19Gbps←전송량 *가로x세로 허수 블랭킹 해상도 x 주사율 x 컬러비트=실 전송 데이터량(RGB 4:4:4) ÷샘플링 4:2:0(÷2)÷코딩체계(16b/18b)=80.19Gbps←전송량 |
⑤10K/60Hz 12bit/4:2:2 80.19Gbps
11000x4500 x 60 x 36=106.92Gbps÷1.5÷(16÷18)=80.19Gbps
⑥10K/120Hz 12bit/4:2:0 120.29Gbps
11000x4500 x 120 x 36=213.84Gbps÷2÷(16÷18)=120.29Gbps
※1Gbps=1,000,000bps