Technique for realizing remote synchronous live broadcasting of multimedia audio-video floor in Internet

An internet, audio and video technology, applied in branch offices to provide special services, data exchange details, electrical components, etc., and can solve problems such as expensive

Inactive Publication Date: 2004-01-28
梁肇新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, multimedia teaching, network conferencing, etc., many products require live video programs, and it is relatively easy to implement in a network se

Method used

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  • Technique for realizing remote synchronous live broadcasting of multimedia audio-video floor in Internet
  • Technique for realizing remote synchronous live broadcasting of multimedia audio-video floor in Internet
  • Technique for realizing remote synchronous live broadcasting of multimedia audio-video floor in Internet

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Embodiment Construction

[0010] The present invention uses a relay (equivalent to a broadcast server) through a certain mechanism to realize the remote live audio / video stream across network segments, and does not perform special configuration on the router during the process. The basic idea of ​​its implementation is:

[0011] The server uses the UDP network transmission protocol for broadcasting, and the local client can successfully receive the broadcast data; while the remote client cannot directly receive the broadcast data; because there is no special configuration for the router, the UDP network transmission protocol generally cannot transmit remote data through the router. transmission. In this way, we use the relay to request the device from the remote server through the TCP network transmission protocol, and then perform local broadcast to realize the remote broadcast.

[0012] The relay is a broadcast server in the local network, and it is a relay relative to the remote broadcast server, wh

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Abstract

The invented method makes audio/video stream broadcasted from broadcasting server possible to pass through routers and to transfer to another network segment for broadcasting, without need of any additional configuring routers. Broadcasting server uses user datagram protocol (UDP) to realize local audio/video stream broadcast. But usually, UDP cannot pass routers to transfer data to another network segment. Thus, the initiative broadcast is changed to passive request. Using transfer control protocol (TCP) relay through routers requests the data provided by broadcasting server so as to realize remote direct broadcasting audio/video stream. The technique integrates the direct broadcasting with video on demand (VOD), and the video server as the relay. When VOD client end requests direct broadcasting, the video server makes judgment and requests data from broadcasting server, then sends data to client end.

Description

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Claims

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Application Information

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Owner 梁肇新
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