视频码流转换是支持在异质网络环境中进行视频通信的关键技术之一。
Video transcoding is a key technology to support video communications over heterogeneous networks.
在异构网络间进行视频通信时，需要通过媒体网关对视频流进行格式转换、协议处理、资源控制。
When video stream transmitted between different networks, Media Gateway must implement video stream format conversion, protocol process, and resource control.
每两个单元间具有视频交叉链路通信路径，将能够进行系统备份。
A video cross link communication path between both units will enable system redundancy.
视频编码器作为一个实体，通过不同的控制块映射不同的编码通道，通过消息传递机制与其他实体进行通信协作。
As an independent entity, video coder USES different control blocks for different coding channels, and communicates with other entities through a 'message delivery' mechanism.
对控制系统中的驱动、测距、视频和通信模块进行了功能说明，同时完成了各模块的分析设计，确立了各模块的技术方案。
Functions of driving, finding range, video and communication are explained, analysis and design of the modules are completed concurrently and the technical features of each module are established.
以isdn上的视频会议系统为对象，描述了视频会议系统中通信控制的基本任务，并对通信控制的关键环节进行了软件实现。
Some basic tasks of the communication control for ISDN based video conference system and the software implementation of some important parts are described.
实现该信号通信量的高精度预测是提高信息传输速度和提高网络带宽资源利用效率的重要手段，本文提出采用支持向量机网络模型对VBR视频通信量进行预测。
It is the important method to realize the higher precision prediction and improve the utilizing rate. A support vector machine model is proposed to predict the VBR video traffic.
由于通信信道带宽有限，有必要对视频编码的输出码率进行控制。
Due to the limited bandwidth of communication channel, it is necessary to control the bit rate output of video coding.
由于通信信道带宽有限，有必要对视频编码的输出码率进行控制。
Due to the limited bandwidth of communication channel, it is necessary to control the bit rate output of video coding.
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