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CCTV Questions & answers


Q1.What is the meaning of "CCTV"?
A1.Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific     place, on a limited set of monitors.

Q2. What is the differert of "CIF,2 CIF,VGA,Full D1,720P,1080P"?
A2.Plase reference below:







A2.1:1080P Sample (Press it to Zoom)



Q3:How about the H.264 Bandwidth & Storage:
A3:Please reference below table:(Press it to zoom)

The actual HDD capacity largely varies depending on the ste situation such as movemnt complexity,PTZ camera and night-time noise,etc


Q4:CCTV surveillance practices in public areas?
A4:Downloan the"CCTV surveillance practices in public areas"

Source From
-Wikipedia
-http://www.iviewtech.com/ivt6/whysdi.html
-http://eric8chen.blogspot.hk/2012/06/d1-cif.html
-https://www.pcpd.org.hk/chinese/infocentre/press_20100722a.html



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