What is the amount of data per channel for a digital video recorder? What is the hard disk space occupied by CIF and D1 machines per hour per hour? Column formula
See you choose which, if you choose 200M / hour that is, the number of channels * (200M / hour) * hours * days / 1024M = capacity number.
If you use CIF resolution, usually 150M / hour 200M / hour 300M / small 400M / hour.
Here in addition to 1024 is the M conversion into G if 8 channels * 200M / hour * 24 hours * 30 days / 1024M = 1125G. Using D1 resolution, usually the value is 500MB / hour D1 formula is the same
