视频会议网络系统声学问题的分析及解决  

Analysis and solution of some acoustics problems of videoconference network

作　　者：李伟英[1] 赵红梅[1] 王军皓[1] 王文静[2] 

机构地区：[1]河北农业大学信息科学与技术学院,河北保定071001 [2]保定师范专科学校物理系,河北保定071051

出　　处：《电力系统通信》2006年第9期75-77,共3页Telecommunications for Electric Power System

摘　　要：文章分析了视频会议网络系统声学方面的几个常见问题,重点针对回声与回授(啸叫、声反馈)现象对会议效果的影响和对视频会议设备造成的损坏进行了论述,剖析其形成的原因,从会场布置与专门设备的引入两方面阐述了对回授与回声的消除方法,并针对现场实例给出了一个整体解决方案。This article analyzes several common acoustic issues of the videoconference network, focuses on the phenomena of echo and feedback and their producing reasons, describes the impact on the effect of meeting and the damage to the equipments of video conference, elaborates the solution in two aspects of the arrangement of the meeting-place and the introducing of the special apparatus, finally provides a kind of whole solution.

关 键 词：视频会议 声学 回声 回授 啸叫 声反馈 

分 类 号：TN919.8[电子电信—通信与信息系统]