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I. Introduction Video Conference The dual stream feature the video stream in the first road beyond the PC screen, etc. The second way sending video streams, which greatly enriched the amount of information transmitted video conference, you can better meet the Remote Conference , Training, consultation needs, dual stream functions upon the introduction of the widely welcomed by users, has now become a video conferencing system Standard Configuration. Shuangliu function in people to enjoy the work, study, highly efficient and convenient to bring the time of the early part of the video conference users has no such luck: due to the use of video conferencing Product Introduced earlier and by the technological limitations at the time, these products now can not "upgrade" approach with dual stream function, if must be a dual stream functions, realistic approach to the existing system can only "be reversed." Reversed in mean re-investment in high and early into the "bad deal", while maintaining the status quo would mean abandoning the dual stream feature-rich applications bring it to the user is undoubtedly the "painful choices"! In this context, taking Rui Technology Co., Shenzhen Company Through the hard work of scientific research, first in China to launch a video conference system with external hard Shuangliu solution. And sharp band to take a hard Shuangliu video conferencing solutions, to solve do not have the "dual stream" video conference system upgrade capability to achieve dual stream function problem, which greatly protect the user's investment, expanding the original system. Moreover, the relative increase of the terminal and the MCU upgrade Shuangliu the solution, the program has low cost, configuration flexibility, good results (low bandwidth, high frame rate) features, as users in video conferencing capabilities to achieve a high Shuangliu cost-effective options. II solution 1, the program outlined Band video conferencing system solution Shuangliu hard core is based on the IP network coding VGA signal acquisition, multi-point switching, decoding display. In this scenario, the codec through the VGA VGA signal acquisition to achieve encoding and decoding display, VGA signal through the multi-point switching VGA exchange server to achieve more, be achieved by using hardware decoding VGA signals, and the VGA signal flow In the video conference streaming video and audio signals outside the transmission, so called "hard-band dual stream." Shuangliu with hard-band solutions, networking and flexible, easy management, and can meet any standard Brand Shuangliu video conferencing capabilities to achieve. 2, network shows Figure-of-band hardware system structure Shuangliu solutions As shown above, in the video conference system with external hard Shuangliu solution, in the configuration of each venue a VGA codec, multi-core configuration in the network exchange server one VGA. The venue needs to be sent Shuangliu can access the notebook VGA output codec VGA VGA input, by the encoded via IP network to a multi-VGA exchange server, exchange server, multipoint VGA signals can be transmitted to the need to receive Shuangliu more than one venue Shuangliu VGA codec, by the decoded output to projectors and other equipment shown in the video conference in order to achieve dual stream functions. In this scenario, the dual stream switching controlled by multi-point VGA exchange server, conference administrator can log on through IE browser, the server suggested a "conference", the venue of the VGA incoming codec, and the need to switch according to the Conference Radio One VGA codec collection of "dual stream" signal to the other VGA codec to achieve the dual stream switching control between the venue. VGA codec with automatic signal detection, can be Detect The codec is connected with effective VGA signal input and to inform more VGA exchange server, which can effectively avoid the conference administrator broadcasting "space" of double signals. We are high quality suppliers, our products such as GPS Patch Antenna , Rfid Antenna for oversee buyer. To know more, please visits Grid Parabolic Antenna.
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