Hard Disk capacity required for DVR Recording?
All DVR’s record to a Hard Disc. Each frame of video has a specific size (from 0.5Kb to 5KB for PC-Based DVR’s and from 10kb to 15Kb for Stand Alone DVRs are typical) one second of video can be made from one digital picture (1fps) to 30 digital pictures (30fps) The video we see on TV’s is 30fps so how long you can record for depends on how your settings are set on the DVR. Typically in security applications we look for 4fps to see things like people walking down hallways in and out offices or rooms. We use 7.5fps for better streaming video. This might be for watching people hand movements, cash draws or faster moving objects like capturing cars license plates. 15fps per camera is for “Live like video recording” almost perfect video streaming. And at the top of streaming video list is 30fps which is live streaming video, like a TV Program. Customers who demand the absolute best chose these DVRs. We sell many of these DVRs to Police stations, the Military, Government Building, institutio
