| THE DLSTRIBOTED MCU MODEL FOR SYNCHRONOUS REAL-TIMETELETEACHING |
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| 作者姓名： | 刘均 李人厚 郑庆华 |
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| 作者单位： | SchoolofElectronicsandCommunication,Xi＇anJiaotongUniversity,Xi＇an710049,China |
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| 基金项目： | ThisworkwassupportedbytheNationalScienceFoundationofChina (No .60 10 3 0 2 2 ) . |
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| 摘 要： | Aiming at issues on multimedia communication in synchronous real-time teleteaching (SRT) systems over IP network, a 4-tuple structural mode of multimedia communication is proposed in the paper, and an SRT-oriented distributed MCU model is built according to the mode. Moreover, the mechanism of multicast communication across subnets is discussed. The distributed MCU model has been applied successfully in our interactive synchronous real-time telesteaching system RealClass and has shown good extendibility in operation.
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| 关 键 词： | 分布式MCU模型 多址通信 同步实时电视教学 网络技术 |
THE DLSTRIBOTED MCU MODEL FOR SYNCHRONOUS REAL-TIME TELETEACHING |
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| Liu Jun,Li Renhou,Zheng Qinghua School of Electronics and Communication,Xi'an Jiaotong University,Xi'an ,China..THE DLSTRIBOTED MCU MODEL FOR SYNCHRONOUS REAL-TIMETELETEACHING[J].Academic Journal of Xi’an Jiaotong University,2004,16(1):22-25. |
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| Authors: | Liu Jun Li Renhou Zheng Qinghua School of Electronics and Communication Xi'an Jiaotong University Xi'an China |
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| Institution: | School of Electronics and Communication, Xi'an Jiaotong University, Xi'an 710049, China |
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| Abstract: | Aiming at issues on multimedia communication in synchronous real-time teleteaching (SRT) systems over IP network, a 4-tuple structural mode of multimedia communication is proposed in the paper, and an SRT-oriented distributed MCU model is built according to the mode. Moreover, the mechanism of multicast communication across subnets is discussed. The distributed MCU model has been applied successfully in our interactive synchronous real-time telesteaching system RealClass and has shown good extendibility in operation. |
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| Keywords: | synchronous real-time teleteaching distributed MCU model multicast |
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