Video meeting system

A video conference system and video technology, applied in the direction of video conference system, two-way work system, etc., can solve the problems that the cost of system equipment cannot be effectively reduced, the efficiency and quality are not very ideal, etc., to increase the effect of video conference, improve performance and cost. reduced effect

Inactive Publication Date: 2003-06-04
LEADTEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of computing power, the efficiency and quality of traditional video conferencing systems are still not very satisfactory, and the cost of system equipment cannot be effectively reduced

Method used

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Embodiment Construction

[0023] One of the main features of the present invention is the use of separate video coding units and video coding units. This reduces the complexity of the processing chip. Therefore, the manufacturing cost can be reduced, and different playing proportions can be set for each playing window.

[0024] An embodiment is given below as a description of the features of the invention. A video data transmission protocol adopted in the present invention can transmit video signals on the network to carry out a video conference. Video data transmission protocols conforming to communication standards include, for example, H.320, H.321, H.323, H.324 and so on. It also cooperates with the functions of network form, video standard, audio standard, multi-task control, security protocol, control protocol and modem to achieve the protocol of video conference. However, the present invention creates other functions under the transmission protocol by changing the hardware to increase the per...

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Abstract

The video meeting system is suitable for meeting with several meeting attending units. The video meeting system includes one central control unit to receive the individual video data flows of the meeting attending units and selecting the output video data flow; one video decoding unit to receive selected individual video data flows, decompose their sound signal and image signal and mix to form one mixed sound signal and one mixed image signal; and one video encode unit to receive the mixed sound signal and the mixed image signal, to code them into mixed video data flow and to send it to the meeting attending units.

Description

technical field [0001] The invention relates to a video conferencing system, in particular to the processing and control of the video data flow of the video conferencing system. Background technique [0002] The rapid development of modern communication technology has greatly shortened the distance of space, so that the exchange of information between people is no longer limited by the distance between them. People have the habit of living in groups, during which the exchange of information and opinions is an important part of life. Meetings are a means to be held to jointly resolve some issues that exist between groups. [0003] In the early days, due to the underdeveloped communication, the meeting must be held by the participants who went to the predetermined place in person. When the communication technology and multimedia information technology are developed, the voice and video of the people participating in the meeting can be converted into digital signals by electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15
Inventor 刘孟贤
Owner LEADTEK
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