Houston Camera DVR
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A camera DVR is a security system which links one or more cameras to a digital video recorder. It's main advantage is that it can record for much longer periods without the need to change tapes.
Camera DVR has a performance similar to a video en-coder which works solely with an analog surveillance camera. This also receives an analog video signal and compresses with H.264 standard and records to an HDD or hard disc drive. Connection between an analog camera and DVR makes use of the coaxial cable. With analog technology seeing rapid developments, there are now a lot of HD analog technologies introduced in the market. The latest HD-CVI and HD-SDI recorders, HD-CVI an HD-SDI DVRs have the ability to record analog videos in high definition resolution which include 1080P and 720P format.