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Revision as of 09:44, 13 November 2012
Uncompressed video is digital video information that has not been compressed, or was not processed with compression on it when the video was captured directly from a camera.
HDMI 1.3a Specifications
According to HDMI 1.3a Spec.
Detailed timing is found in CEA-861-D or a later version of CEA-861 for the following video format timings.
Primary Video Format Timings
• 640x480p @ 59.94/60Hz
• 1280x720p @ 59.94/60Hz
• 1920x1080i @ 59.94/60Hz
• 720x480p @ 59.94/60Hz
• 720(1440)x480i @ 59.94/60Hz
• 1280x720p @ 50Hz
• 1920x1080i @ 50Hz
• 720x576p @ 50Hz
• 720(1440)x576i @ 50Hz
Secondary Video Format Timings
• 720(1440)x240p @ 59.94/60Hz
• 2880x480i @ 59.94/60Hz
• 2880x240p @ 59.94/60Hz
• 1440x480p @ 59.94/60Hz
• 1920x1080p @ 59.94/60Hz
• 720(1440)x288p @ 50Hz
• 2880x576i @ 50Hz
• 2880x288p @ 50Hz
• 1440x576p @ 50Hz
• 1920x1080p @ 50Hz
• 1920x1080p @ 23.98/24Hz
• 1920x1080p @ 25Hz
• 1920x1080p @ 29.97/30Hz
• 2880x480p @ 59.94/60Hz
• 2880x576p @ 50Hz
• 1920x1080i (1250 total) @ 50Hz
• 720(1440)x480i @ 119.88/120Hz
• 720x480p @ 119.88/120Hz
• 1920x1080i @ 119.88/120Hz
• 1280x720p @ 119.88/120Hz
• 720(1440)x480i @ 239.76/240Hz
• 720x480p @ 239.76/240Hz
• 720(1440)x576i @ 100Hz
• 720x576p @ 100Hz
• 1920x1080i @ 100Hz
• 1280x720p @ 100Hz
• 720(1440)x576i @ 200Hz
• 720X576p @ 200Hz
Pixel Encodings and Color Depth
There are three different pixel encodings that may be sent across an HDMI cable: YCBCR 4:4:4,
YCBCR 4:2:2 and RGB 4:4:4.
There are four color depths supported: 24-, 30-, 36- and 48-bits per pixel.
Storage and Data Rates for Uncompressed Video
Formula: Uncompressed data rate = color depths * vertical resolution * horizontal resolution * refresh frequency
- Examples
24bit @ 1080i @ 30fps :24*1920*1080*30=1.39 Gbps.
24bit @ 1080p @ 60fps :24*1920*1080*60=2.78 Gbps.
The storage and data rates for uncompressed video are listed below:
525 NTSC uncompressed
8 bit @ 720 x 486 @ 29.97fps = 20 MB per/sec, or 70 GB per/hr.
10 bit @ 720 x 486 @ 29.97fps = 27 MB per/sec, or 94 GB per/hr.
625 PAL uncompressed
8 bit @ 720 x 576 @ 25fps = 20 MB per/sec, or 70 GB per/hr.
10 bit @ 720 x 576 @ 25fps = 26 MB per/sec, or 93 GB per/hr.
720p HDTV uncompressed
8 bit @ 1280 x 720 @ 59.94field = 105 MB per/sec, or 370 GB per/hr.
10 bit @ 1280 x 720 @ 59.94field = 140 MB per/sec, or 494 GB per/hr.
1080i and 1080p HDTV uncompressed
8 bit @ 1920 x 1080 @ 24fps = 95 MB per/sec, or 334 GB per/hr.
10 bit @ 1920 x 1080 @ 24fps = 127 MB per/sec, or 445 GB per/hr.
8 bit @ 1920 x 1080 @ 25fps = 99 MB per/sec, or 348 GB per/hr.
10 bit @ 1920 x 1080 @ 25fps = 132 MB per/sec, or 463 GB per/hr.
8 bit @ 1920 x 1080 @ 29.97fps = 119 MB per/sec, or 417 GB per/hr.
10 bit @ 1920 x 1080 @ 29.97fps = 158 MB per/sec, or 556 GB per/hr.
1080i and 1080p HDTV RGB (4:4:4) uncompressed
10 bit @ 1280 x 720p @ 60fps = 211 MB per/sec, or 742 GB per/hr.
10 bit @ 1920 x 1080 @ 24fps = 190 MB per/sec, or 667 GB per/hr.
10 bit @ 1920 x 1080 @ 50i = 198 MB per/sec, or 695 GB per/hr.
10 bit @ 1920 x 1080 @ 60i = 237 MB per/sec, or 834 GB per/hr.
See also
External links
- Video bitrate calculator Forret
- Uncompressed Digital Video Creative Planet Network
- Uncompressed vs. Compressed Video Creative Planet Network
| Video processing | |
|---|---|
| Post-processing | |
| Special processing | |
