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Method for automatically mapping image of wideband private wire conference television system
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A technology of automatic matching and conference TV, which is applied in the direction of video conference system, two-way working system, etc., to achieve the effect of improving stability and meeting high-quality requirements
Active Publication Date: 2011-07-13
ZTE CORP
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[0004] The technical problem to be solved by the present invention is to provide a method for automatically matching images of a broadband dedicated line high-definition video conferencing system. The communication quality of most terminals is not damaged, and the problem of image matchingprocessing for individual terminals or cascade ports in the case of line damage greatly improves the stability of the broadband dedicated line conference TV system
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[0078] Step 410, open a group of conferences with a channel rate of 8M, set the conference rate to 8M, and automatically match the rate to 4M;
[0079] Step 420, perform line detection on all terminals, and find that the state of the line at terminal a changes;
[0080] Step 430, obtain the terminal receiving conference rate of terminal a as S0;
[0081] Step 440, if S0>=8, then terminal a maintains the terminal receiving conference rate unchanged, and executes step 420; otherwise, executes step 450;
[0082] Step 450, if S0>=4, then the terminal receiving conference rate at terminal a is reduced to work at an automatic matching rate of 4M; otherwise, human intervention repairs the line.
no. 2 Embodiment approach
[0084] High-definition automatic matching media processing flow
[0085] Step 510, open a group of conferences with a channel rate of 8M, set the conference rate to 8M, and set the automatic matching rate to 4M;
[0086] Step 520, judging whether the receiving conference rate of the current broadcast source end is 8M, if yes, execute step 530, otherwise execute step 540;
[0087] Step 530, the broadcast source image is decoded by the image matching module, and then encoded according to the automatic matching rate of 2, and then sent to all terminals receiving the terminal whose conference rate is 4M; the broadcast source image is directly sent to the terminal to receive the conference rate of 8M All terminals; the terminal image seen by the broadcast source is directly sent to the broadcast source, and the end;
[0088] Step 540, the broadcast source image is directly switched to all terminals in the conference;
[0089] Regardless of whether the receiving conference rate of...
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Abstract
The invention discloses a method for automatically matching images of a widebandprivate line meeting television system. The method is as follows: firstly a group of meetings are configured, and the speed and the automatic matching speed of the meetings are set; and, circuits of all terminals are detected, when the state change of a t end circuit is found, the terminal receiving the meeting speedof the t end is acquired; finally, if the terminal receiving meeting speed of the t end is less than the meeting speed but more than the automatic matching speed, the terminal receiving meeting speedof the t end is reduced to the automatic matching speed for working. Due to application of the invention, under the condition of the arrangement of a high resolutionimage processing module in the widebandprivate linehigh resolution meeting television system, in order to protect the communication quality of the majority of terminals from being damaged, the problem of the image matching process of separate terminals or cascade connection ports under the condition of the damaged circuits is solved, thereby greatly improving the stability of the widebandprivate line meeting television system.
Description
technical field [0001] The invention relates to a video conference system, and more specifically to a method for automatically matching images of a broadbanddedicated line video conference system. Background technique [0002] In the broadbanddedicated line conference TV system, the common more complex networking see figure 1 , other networking can be regarded as its extension. Between the MCU (Multipoint Control Unit) and the MCU or between the MCU and the terminal, multiple pairs of E1 dedicated lines are required, generally 1-4 pairs of E1 dedicated lines to carry 2M-8M dedicated broadband conference TV networking. Assuming that there are x terminals and y cascading ports in the system, and the network is built with 8M bandwidth, then there are 4*(x+y) pairs of E1 dedicated lines in the whole system. If there is a problem with any pair, the system will not work normally; if the system is configured with the channel backup function, under normal circumstances, the faul...
Claims
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Application Information
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