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随着视频编码技术和网络传输速率的提高,安防监控系统已由传统的模数混合方式向数字化系统发展。近几年,随着高清成像芯片的大规模推出,视频监控系统已由数字标清向数字高清方向发展。尤其在智能建筑领域,由于数字高清信号的传输可利用智能建筑固有的结构化综合布线系统,大大减少了SYV75—5视频电缆的敷设,数字高清监控系统现已大量应用在新建智能楼宇中。
With the improvement of video coding technology and network transmission rate, security monitoring and control system has been developed from the traditional analog-digital mixed mode to digital system. In recent years, with the large-scale introduction of high-definition imaging chips, video surveillance systems have moved from digital SD to digital HD. Especially in the field of intelligent building, the transmission of digital high-definition signals can utilize the inherent structured cabling system of intelligent buildings, greatly reducing the laying of the SYV75-5 video cable. The digital high-definition monitoring system is now widely used in new intelligent buildings.