audio-video alarm的意思|示意

The entire system is composed of computer, PC bus interface card, decode instrument, video switches matrix, audio switches matrix, pan, lens and alarm control etc.

整个系统由微机、PC总线适配卡、解码器、视频切换矩阵、音频切换矩阵、云台镜头和报警控制等部分组成。

Responsible for the maintenance of the ELV, telephone systems, fire alarm, monitoring system. To assist the operation and maintenance work of the audio and video installation.

负责弱电、电话系统、消防报警、监控系统等的维护和保养工作，同时协助处理音响及视频的安装、操作、维修及保养工作。

The research in this paper is based on the projects which are "A Low Bit Rate Multimedia Remote Instruction System" and "A Video-Audio Monitoring-Control and Alarm System".

本论文的研究来源于科研项目“低比特率多媒体远程教学系统”及“基于网上的视音频监控及报警系统”。

Other features include pre - and post-alarm image buffering, video motion detection, and two-way audio support.

其他功能包括前后警报图像缓冲，视频动态侦测和双向音频支持。