During video surveillance planning stage, we often face a question – how many HDDs should I use for my video surveillance system. Estimating or calculating the required video storage can be quite simple by using the formula, or it can be complicated when considering many factors including resolution, frame rate, video compression, and bitrate settings. We herein provide you a freeware which can calculate the video storage requirement of the camera based on many these variable parameters. Using this calculator you can roughly estimate how long can a HDD record in your computer/DVR/NVR. You can use the formula as below: Bitrate (Kbit/s) ÷ 8*3600*hours each camera willRead More →