引言NVR面世已有五年时间了,对于任何一个安防新品来说,五年时间足够使其成熟完善。虽然目前市场上少数厂家依旧在DVR+模拟前端上挣扎,但是NVR取代DVR已成定局,尤其是“2010年高清元年”拉开了高清大幕,以高调的姿态宣告着传统模拟时代的瓦解。在全新的高清时代里面,凭借大存储、高清支持、安全传输三大优势的NVR再一次迎来了爆发 Introduction NVR has been available for five years, for any one security products, five years enough to make it mature. Although a small number of manufacturers on the market are still struggling with the DVR + analog front end, replacing the DVR with NVR is a foregone conclusion. In particular, “HDTV 2010” opened the HD curtain to declare the traditional analog era with high profile collapse. In the new era of high-definition, NVR once again ushered in the outbreak with large storage, high-definition support, secure transmission