HDCVI signal uses a dedicated transmitting chip and receiving chip. The AV interface of the usual display does not support access and needs to be decoded. The signal display of the HDCVI camera on the market is realized by Dahua’s HDCVI DVR. There are 4 channels, 8 channels, and the price is 400 yuan and 800 yuan. The HDCVI matrix on the market can not be regarded as the real HDCVI matrix. According to the understanding, there are two matrixes that use an HDCVI switcher. Add the HDVVI DV to do the decoder to achieve the display.