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HDMI信號(hào)帶寬計(jì)算及速率表
帶寬計(jì)算方法
示例1:標(biāo)準(zhǔn)4K@60Hz分辨率(CVT-RB2)
- 解析度: 3840×2160(Htotal=3920、Vtotal=2222)
- 刷新率: 60Hz
- 色彩深度: 8bit
- 色彩格式: RGB(RGB乘以3,YC422乘以2,YC420乘以1.5)
H D M I 數(shù)據(jù)帶寬: 3920 × 2222 × 60 × 3 × 8 = 12542745600 ( 12.543 G b p s ) HDMI數(shù)據(jù)帶寬:3920×2222×60×3×8 = 12542745600(12.543Gbps) HDMI數(shù)據(jù)帶寬:3920×2222×60×3×8=12542745600(12.543Gbps)
示例2:標(biāo)準(zhǔn)4K@60Hz分辨率(CEA-861)
- 解析度: 3840×2160(Htotal=4400、Vtotal=2250)
- 刷新率: 60Hz
- 色彩深度: 8bit
- 色彩格式: RGB(RGB乘以3,YC422乘以2,YC420乘以1.5)
H D M I 數(shù)據(jù)帶寬: 4400 × 2250 × 60 × 3 × 8 = 14256000000 ( 14.256 G b p s ) HDMI數(shù)據(jù)帶寬:4400×2250×60×3×8 = 14256000000(14.256Gbps) HDMI數(shù)據(jù)帶寬:4400×2250×60×3×8=14256000000(14.256Gbps)
編碼方式對(duì)帶寬的影響
1、HDMI TMDS編碼方式(8/10b)效率為80%;
- HDMI 1.4 :Max BW 8160 Mbit/s
- HDMI 2.0 :Max BW 14400 Mbit/s
2、HDMI FRL編碼方式(16/18b)效率為88%;
- HDMI 2.1(6Gbps):Max BW 21333 Mbit/s
- HDMI 2.1(8Gbps):Max BW 28444 Mbit/s
- HDMI 2.1(10Gbps):Max BW 35556 Mbit/s
- HDMI 2.1(12Gbps):Max BW 42667 Mbit/s
分辨率及帶寬查詢(xún)表
Encoding | Resolution | Frame rate | Color depth | Color Format | Pixel Clock(MHz) | Effective Bandwith(Gbps) | Total Bandwith(Gbps) | HDMI version |
---|---|---|---|---|---|---|---|---|
CEA-861 | 640×480p (800×525) |
60Hz | 8-bit | 4:4:4 | 25.175 | 0.483 | 0.604 | 1.4 |
CVT-RB2 | 640×480p (720×525) |
60Hz | 8-bit | 4:4:4 | 21.384 | 0.456 | 0.513 | 1.4 |
CEA-861 | 1280×720p (1650×750) |
60Hz | 8-bit | 4:4:4 | 74.25 | 1.327 | 1.782 | 1.4 |
CVT-RB2 | 1280×720p (1360×741) |
60Hz | 8-bit | 4:4:4 | 60.465 | 1.327 | 1.451 | 1.4 |
CEA-861 | 1920×1080p (2200×1125) |
60Hz | 8-bit | 4:4:4 | 148.5 | 2.986 | 3.564 | 1.4 |
CVT-RB2 | 1920×1080p (2000×1111) |
60Hz | 8-bit | 4:4:4 | 133.32 | 2.986 | 3.200 | 1.4 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 8-bit | 4:2:0 | 594 | 5.972 | 7.128 | 1.4 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 8-bit | 4:2:2 | 594 | 7.963 | 9.504 | 2.0 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 8-bit | 4:4:4 | 594 | 11.944 | 14.256 | 2.0 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 10-bit | 4:4:4 | 594 | 14.930 | 17.820 | 2.1 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 12-bit | 4:4:4 | 594 | 17.916 | 21.384 | 2.1 |
CEA-861 | 3840×2160p (4400×2250) |
60Hz | 16-bit | 4:4:4 | 594 | 23.888 | 28.512 | 2.1 |
CVT-RB2 | 3840×2160p (3920×2222) |
60Hz | 8-bit | 4:4:4 | 522.614 | 11.944 | 12.543 | 2.0 |
CEA-861 | 7680×4320p (9000×4400) |
60Hz | 8-bit | 4:4:4 | 2376 | 47.776 | 57.024 | / |
CEA-861 | 7680×4320p (9000×4400) |
60Hz | 10-bit | 4:4:4 | 2376 | 59.720 | 71.280 | / |
CEA-861 | 7680×4320p (9000×4400) |
60Hz | 12-bit | 4:4:4 | 2376 | 71.664 | 85.536 | / |
CEA-861 | 7680×4320p (9000×4400) |
60Hz | 16-bit | 4:4:4 | 2376 | 95.551 | 114.048 | / |
CVT-RBv2 | 7680×4320p (7760×4443) |
60Hz | 8-bit | 4:4:4 | 2068.66 | 47.776 | 49.648 | / |
參考計(jì)算工具文章來(lái)源:http://www.zghlxwxcb.cn/news/detail-816733.html
https://www.kramerav.com/bandwidth-calculator/文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-816733.html
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