并给出了在可视电话系统中的应用及测试结果。
Application and testing results in the videophone system have been given in the text.
第四章，详细介绍可视电话系统各个模块的设计与实现。
Chapter 4 presents the detail of the design and implementation of the video phone system modules.
针对嵌入式系统的硬件特点，对可视电话系统的结构进行了优化设计。
The structure of video phone system is optimized to match the feature of embedded system hardware.
第五章，介绍了可视电话系统测试运行环境、技术指标等，还具体介绍了实现的结果。
Chapter 5 discusses the software test of the Video Phone based on SIP, include software framework test and software function test.
在VOIP可视电话系统中，任务、中断及相互间的协调与管理是系统功能实现与可靠性的重要瓶颈。
In VOIP video telephone system, it is very important for the realization and reliability to cooperate and correspond among tasks and interrupts.
本文主要设计了开发3G移动可视电话系统过程中，在VT系统设计完成后脱离其它软件模块进行有效测试的几套方案。
The article introduces some methods used for VT system test away from other software modules during the development of 3g mobile.
可视电话系统正是以这种信息多元化、响应及时化等特点颇受大众接受，它将计算机的交互性、通信的分布性和多媒体的实时性完美的结合起来。
The videophone, which combinewiths the computer's alternation, the communication's distribution, and the multimedia's real-time characteristic, is accepted by more information and timely responds.
目前，用于远程教学的视频会议主要有桌面可视电话系统和基于ISDN的可视会议系统，但基于IP会议电视系统所具有的优越性，使其在远程教学中有更广阔的应用空间。
The Video Conference can be implemented based on PSTN (Tele-video) or ISDN. However, the Video Conference based IP network has more advantages so that it can be more applied in remote education.
宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
The wideband subscriber loop system provides access to services such as picturephone, video entertainment.
引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。
IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.
嵌入式可视电话的软件系统主要分成两部分，即图形框架和应用组件。
The videophone software system is devided into two parts. One is the graphic frame and the other is the application module.
这些宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picture-phone, video entertainment.
通过PC机与ARM仿真板的通信对本文实现的系统进行了仿真模拟实验，对可视电话的基本功能和性能进行了测试。
Simulation test is performed by communication between PC and ARM emulator to evaluate the function and performance of the video phone system.
这些宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picturephone and video entertainment.
这些宽带用户环路系统将可视电话，视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picturephone, video entertainment.
在很多实际系统中，如数码相机、可视电话、便携式摄像机和掌上电脑等，考虑到速度和面积的要求，需要用芯片实现压缩系统。
In many real systems, such as digital camera, videophone, camcorder, pocket PC, and so on, chip implementation is necessary because of the exact limitation of rate and area.
基于可视电话的信息推送系统是一个重要的增值服务系统，是可视电话可赢利商业模式的一个重要组成部分。
Information push system based on video phone is an important appreciated service system, it is important part of profit commerce pattern based on video phone.
本文介绍了基于PC的可视电话音频视频子系统的实现。
The realization of audio and video subsystem in videophone based on PC is introduced in this paper.
本文介绍了基于PC的可视电话音频视频子系统的实现。
The realization of audio and video subsystem in videophone based on PC is introduced in this paper.
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