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Embedded remote network conference system

A network conferencing and embedded technology, applied in the field of audio and video communication, can solve the problems of poor stability of signaling direct communication, complicated wiring, and difficult management, and achieve the effect of consistent user experience, low system cost, and reduced burden.

Inactive Publication Date: 2019-03-01
NANJING UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the overall stability of the distributed network conference architecture system is high, it is not easy to manage. For a single conference, the direct communication stability of signaling in the client is poor
[0005] At the same time, as the client of the video conference, the PC is still the standard, and it also includes peripheral devices such as video cameras, display splicers, etc., the wiring is complicated and the cost is high

Method used

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  • Embedded remote network conference system
  • Embedded remote network conference system
  • Embedded remote network conference system

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Embodiment Construction

[0018] The remote network conference system under the embedded system of the present invention adopts the client based on embedded Linux and ARM processor and the registration PC server responsible for signaling control, and has the characteristics of centralized and distributed mixed architecture. At the same time, this system uses P2P traversal technology to directly broadcast multimedia data to each client, which reduces the pressure on the server. It has the characteristics of low cost, flexible management, and reasonable distribution of control rights, so it has very broad application prospects.

[0019] An embedded remote network conference system of the present invention includes an embedded main control board device 1 pre-installed with a Linux system, an external audio playback device 2, a high-definition liquid crystal touch screen 3, a USB camera 4, a USB microphone 5, and UPNP Routing device 6, Internet 7 and conference registration PC server 8, said external audio...

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Abstract

The invention discloses an embedded remote network conference system. The system comprises embedded main control board equipment in which a Linux system is pre-installed, external audio playing equipment, a high-definition liquid crystal touch display screen, a USB camera, a USB microphone, routing equipment for starting UPNP, an internet and a conference registration PC server; the external audioplaying equipment, the high-definition liquid crystal touch display screen, the USB camera and the USB microphone are connected to the embedded main control board equipment with a display screen, inwhich the Linux system is pre-installed; and the embedded main board equipment is connected to the routing equipment for starting UPNP, and is connected to the conference registration PC server by theinternet. The system adopts a C / S architecture, a client adopts uniform embedded equipment, and the server only requires PC equipment with common performance. The embedded remote network conference system is high in stability and low in cost.

Description

technical field [0001] The invention belongs to the technical field of audio and video communication, in particular to a remote network conference system based on an embedded system. Background technique [0002] In the current conventional video conference, different participants in different places use PCs as clients, and send audio and video information and signaling control commands to the server for forwarding. With the continuous development of the video conferencing mode, the RTP / RTCP protocol based on data streams appeared in the field of multimedia transmission. In the conference mode, the open source and lightweight SIP protocol and the H323 protocol that is easy for operators to manage appeared. From the perspective of the basic structure of the conference, it is mainly divided into two types: centralized and distributed. [0003] The centralized network architecture has the characteristics of tight coupling and high server load. The client sends all multimedia ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15H04L29/06
CPCH04L65/403H04N7/15H04L67/01
Inventor 刘泽宇王瑞霞赵雨清陆荣叶剑桥
Owner NANJING UNIV OF SCI & TECH
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