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Conference television system and conference television implementing method

A technology of video conferencing and its realization method, which is applied in the direction of video conferencing system, transmission system, two-way working system, etc. It can solve the problems of complex image encoding and decoding methods, private line multiplexing interface data encapsulation method and poor interoperability of video products, so as to achieve interoperability Good results

Inactive Publication Date: 2006-09-13
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0011] The present invention provides a conference TV system and a conference TV implementation method to solve the problem of complex image encoding and decoding methods, custom high-bandwidth dedicated line multiplexing interface data packaging methods and video products in the prior art when providing high-quality conference TV The problem of poor interoperability

Method used

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  • Conference television system and conference television implementing method
  • Conference television system and conference television implementing method
  • Conference television system and conference television implementing method

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Embodiment Construction

[0044] Referring to FIG. 1 , it is a schematic diagram of connection between a multipoint control unit (MCU) and a transmission device. Transmission equipment such as Optix 155 / 622H, this transmission equipment converts the data sent by the terminal that joins the conference TV through a dedicated line (such as E1 line or optical fiber, etc.) Converted to the data format adopted by the leased line and transmitted to the terminal equipment through the communication network. FE (faste ethernet) in the figure indicates that the transmission network is Fast Ethernet.

[0045] FIG. 2 is a schematic diagram of the control of the internal processing subsystem of the MCU of the present invention. It mainly includes: dedicated line interface, IP interface, access processing subsystem, stream processing subsystem, video processing subsystem, audio processing subsystem, and control subsystem. The functions of the above subsystems are described as follows:

[0046] 1. Dedicated line in...

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Abstract

This invention relates to a conference TV system and a method for realizing it, in which, said system includes a MCU, a terminal, a communication network and a transmitting device, in which, said transmitting device transforms data sent by joining the conference TV terminal via a special circuit into the Ethernet data packet then transfers it to the MCU and transforms the data packet from the MCU to the data format applied by special circuit to be transferred to said terminal via a communication network.

Description

technical field [0001] The invention relates to the field of multimedia communication, in particular to a video conference system and a video conference realization method. Background technique [0002] As an application of multimedia communication, video conferencing enables remote users to communicate "face-to-face" through the communication network. The video conferencing system is composed of MCU (Multipoint Control Unit, multipoint control unit), terminal and communication network, wherein the communication network can be any digital network, such as existing ISDN, DDN, IP network, etc. At present, video conferencing systems usually use H.261 and H.263 image codec methods, and CIF (Common Intermediary Format) images (resolution 352*288) can only be obtained under the highest communication bandwidth (2M rate). Conference effect similar to VCD quality. In order to meet the requirements of the latest video conference system for image quality, an image codec method with b...

Claims

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Application Information

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IPC IPC(8): H04N7/15H04L29/06
Inventor 刘常青苏红宏吴姣黎
Owner HUAWEI TECH CO LTD
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