Storage and Data Rates For Uncompressed Video
Constant bitrate formula: Uncompressed data rate = color depths * vertical resolution * horizontal resolution * refresh frequency
- Examples
24bit @ 1080i @ 30fps :24*1920*1080*30=1.49 Gbps.
24bit @ 1080p @ 60fps :24*1920*1080*60=2.98 Gbps.
The storage and data rates for the widely-used YCbCr 4:2:2 chroma subsampling 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 @ 59.94fps = 105 MB per/sec, or 370 GB per/hr.
10 bit @ 1280 x 720 @ 59.94fps = 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.
Read more about this topic: Uncompressed Video
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