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为有效应对近年来在我国频发的各种自然灾害对电力系统造成的影响,电力应急指挥中心需要及时、准确地了解突发事件现场情况以及现场灾情等图文信息,VOD视频点播技术和流媒体技术应用于电力应急指挥中心建设可以满足这一需求。本文阐述了基于VOD技术的地方电视接入系统的架构以及各部分的工作原理,并详细介绍了该系统在电力应急指挥中心的实际应用部署。基于VOD技术的地方电视接入系统具有成本低、接入方便的特点,在电力应急指挥过程中发挥了不可替代的作用。
In order to effectively deal with the impact of various natural disasters that frequently occur in our country on the power system in recent years, the power emergency command center needs timely and accurate understanding of the scene information such as emergencies and on-site disasters, VOD video on demand technology and streaming Media technology used in power emergency command center construction can meet this demand. This paper describes the architecture of local TV access system based on VOD technology and the working principle of each part, and introduces the practical deployment of the system in the power emergency command center in detail. The local television access system based on VOD technology has the characteristics of low cost and convenient access and plays an irreplaceable role in the emergency command of power.