所有这些行为都是对视频通信越来越流行的反应。
All this activity is a reaction to the growing popularity of video communication.
另一个是视频通信技术。
通过无线和互联网传输视频是视频通信的发展趋势。
Video transmission over unreliable channels such as wireless channels and Internet has become trend of video communication.
视频通信是信息社会经济生活中不可缺少的一部分。
Video communication is indispensable to economic life of the information society.
视频通信系统一直是通信应用研究的热点方向之一。
The video communication technology is one of most important Applied Research Communications ways.
视频通信存在两大问题，一是网络异构性，二是传输的可靠性。
There are two problems in video communication, one is heterogeneity of network, and the other is reliability of transmission.
互联网、Web2.0、视频通信让我们最热切的渴望变成了日常中的现实。
Internet, Web 2.0, Video communication converted some of our hottest dream to reality available in our everyday life.
带宽资源的有限性对于IP网络上的视频通信提出了一系列的挑战。
Limited bandwidth recourses lead to a number of challenges especially for video communication over Internet Protocol (IP) networks.
先提出移动视频通信对运动估计搜索算法在运算时间和准确度上的要求。
The requirement of the running time and accuracy of the motion estimate searching algorithm for the mobile video communication is proposed.
另外，H . 264具有良好的网络亲和力，因而很适合实时视频通信。
Besides, H. 264 has high compatibility with various networks, so it is very suitable for realtime video communication.
并且，该算法有利于在视频编码芯片上的实现，可用于实际的视频通信产品。
Furthermore, the algorithm is prone to implement on video encoding chip, and can be used in practice.
数字视频质量评估对于视频处理、压缩和视频通信等领域起着十分重要的作用。
Digital video quality assessment plays important roles in various video applications, such as video processing, compression and communication.
视频压缩国际编码标准的建立，使视频通信与信道带宽之间的矛盾得到极大的缓解。
With the establishment of video compression encoding standard, the contradiction between video communication and channel bandwidth is released greatly.
已经在家里使用过视频通信让奶奶通过电脑屏幕见到自己的孙子之后，人们在工作中也想使用它。
Having used it at home to let Grandma see the children on their PCs, people now feel more comfortable trying video communication at work.
在低速率的无线信道上传输视频数据，并保证视频图像的主观质量是视频通信的难点。
It is difficult to transmit the video data in low-speed narrow-band wireless channel and guarantee the subjective quality of video image during video communication.
本文针对基于H . 264的无线视频通信系统中的关键技术展开了深入细致地研究。
This dissertation has conducted the research focusing on the key technologies in H. 264 based wireless video communication system.
视频通信中的基于拉格朗日乘子法的率失真模型的两个基本组成部分是失真度和比特率。
The two basic component of rate-distortion model based on Lagrange multiplier in video coding are distortion and rate.
大数据量的视频信息传输与网络信道低传输速率的矛盾，使得视频通信成为多媒体通信的关键。
A key of multimedia communication is the video communication due to the contradictory between the enormous data of video information transmitted and low transmitted rate in channel of network.
大多数视频通信应用都使用固定的传输带宽，这意味着编码器的输出码流受到传输带宽的限制。
Most visual communication applications use a fixed rate transmission channel, which means the encoder's output bit rate must be regulated to meet the transmission bandwidth.
码率控制是视频通信系统中的关键环节之一，主要用于调控编码视频的输出质量和内容复杂度。
As a kernel process of a video communication system, the rate control algorithm mainly used to control the output quality and content complexity.
通过收购Skype，微软在移动市场的竞争力大为提升，并成为互联网语音和视频通信市场的显著领先者。
By acquiring Skype, Microsoft becomes a much stronger player in mobile and the clear market leader in Internet voice and video communications.
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.
后来的版本合并了一些重要的脚本兼容性、与服务器的数据交换，Flash6添加了双向音频和视频通信。
Later versions have incorporated some serious scripting compatibility, data exchange with servers, and Flash 6 that adds bidirectional audio and video communications.
在家里使用，可以让奶奶通过个人电脑看到孩子们。现在人们也逐渐习惯了在工作中使用视频通信。
Having used it at home to let Grandma see the children on the PC, people now feel more comfortable trying video communication at work.
人们对于视频通信的态度也发生了改变，来自Gartner(一家市场调研公司)的斯科特·莫里森如此说道。
Attitudes towards video communications have also changed, says Scott Morrison of Gartner, a market researcher.
另一个明显的问题是：是否用户将选择专用视频通信系统而忽略另外提供其他功能的设备，比如PC机或游戏面板。
Another open question is whether customers will plump for dedicated video communication systems over those that also serve other purposes, such as a PC or a games console.
视频通信中压缩编码技术对数据失真非常敏感，视频数据的任何失真，对视频质量都将产生重要的影响。
Compression Coding technology in the video communication is very sensitive to data distortion. Any distorted video datum will have an important influence on the quality of the videos.
在无线通信领域中，视频通信因能够给人们提供直观、生动的视觉信息，而成为无线多媒体通信中的研究热点。
On the field of wireless communications, video communications becomes a research hotspot at wireless multimedia communications for it can offers intuitionistic and live vision informations to people .
近年来，随着无线业务的增加，人们对可视电话等视频业务越来越感兴趣，无线视频通信成为无线通信的新需求。
In recent years, with the increase of the wireless business, people are more and more interested in videophone, and wireless video communication becomes the new demand of the wireless communication.
近年来，随着无线业务的增加，人们对可视电话等视频业务越来越感兴趣，无线视频通信成为无线通信的新需求。
In recent years, with the increase of the wireless business, people are more and more interested in videophone, and wireless video communication becomes the new demand of the wireless communication.
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