Digital DVR, video matrix, video splitter role and how to how to connect these devices? How to constitute a surveillance security? It is best to be detailed!

1, hard disk recorder is a combination of computer technology, network technology, digital video technology and traditional video, security technology, high-tech products, with a very high technical content, is a DVD, tape-based VCR replacement products, can be applied to electric power remote monitoring, bank security monitoring, building intelligence, home burglary monitoring and other fields, has a broad market prospects.

2, video matrix refers to the method of switching through the array of m-channel video signal output to n-channel monitoring equipment on the electronic devices, generally the matrix input is greater than the output that m & gt; n. There are some video matrix with audio switching, video and audio signals can be synchronized switching, this matrix is also called the audio-visual matrix. The current video matrix in terms of its realization of the analog matrix and digital matrix two categories. Video matrix is generally used for various types of monitoring occasions.

3, the video splitter is a video signal source evenly distributed into multiple video signal equipment.

Camera to the video line into the video splitter input, video splitter two outputs, all the way to the distance array, and then on the TV wall. The other way to the hard disk recorder, do video storage.