Security Video surveillance + IPTV broadcasting encoder card:
WCSA440c WCSA440e
Compression ratio guide to WCSA440c and WCSA440e:
You can select different compression ratio for video recording and broadcasting. WCSA400, WCSA440C and NetCamCenter
also enable you to enter a number for compression ratio.
You can calculate video file size by referring to the following table.
(* Note: The following table is for reference only. The actual file size may
vary depending on the video content and frame rate.)
| 56 kbps (240 KB/min, 14 MB/hr, 337 MB/day) |
| 64 kbps (360 KB/min, 22 MB/hr, 506 MB/day) |
| 90 kbps (540 KB/min, 33 MB/hr, 607 MB/day |
| 128 kbps (720 KB/min, 43 MB/hr, 1 GB/day) |
| 160 kbps (960 KB/min, 56 MB/hr, 1.35 GB/day |
| 256 kbps (1440 KB/min, 86 MB/hr, 2GB/day |
| 384 kbps (2 MB/min, 129 MB/hr, 3 GB/day |
| 512 kbps (4 MB/min, 229 MB/hr, 6 GB/day |
| 768 kbps (6 MB/min, 337 MB/hr, 8 GB/day) |
| 1000 kbps (8 MB/min, 450 MB/hr, 11 GB/day) |
| 1500 kbps (11 MB/min, 632 MB/hr, 15 GB/day) |
| 2000 kbps (15 MB/min, 895 MB/hr, 21 GB/day |
| 3000 kbps (22 MB/min, 1.3 GB/hr, 32 GB/day) |
| 4000 kbps (30 MB/min, 1.7 GB/hr, 41 GB/day) |
| 5000 kbps (38 MB/min, 2.1 GB/hr, 51 GB/day) |
| 6000 kbps (45 MB/min, 2.6 GB/hr, 62 GB/day) |
| 7000 kbps (51 MB/min, 3.0 GB/hr, 72 GB/day) |
| 8000 kbps (59 MB/min, 3.4 GB/hr, 82 GB/day) |
Lower data rate makes the file size smaller, but lowers the video/audio quality. Higher data rate produce high quality video/audio but increases the file size.
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