P2P (Peer to Peer) stream media live-broadcast low-delay transmission method and system thereof

A transmission method and transmission system technology, applied in the field of P2P streaming media live broadcast, can solve the problems of local residence time of file slices, impact of start-up delay, increase in delay, etc., to enhance stability and reduce transmission delay , the effect of reducing bandwidth waste

Inactive Publication Date: 2011-01-12
WUXI YSTEN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0012] In the above process, when the program is released, the Microsoft Media Server technology is used to collect the multimedia, and then the multimedia data is collected and the asf format file is encoded. Due to the limitation of the Microsoft Media Server technology and the size limit of the file slice, this process will be slow. Generate a delay of about 10s to 15s
In the transmission process, it is necessary to receive the 2Mbit file block before continuing to forward it to the neighbor node. There is a local residence time of the file block, and this delay will increase

Method used

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  • P2P (Peer to Peer) stream media live-broadcast low-delay transmission method and system thereof
  • P2P (Peer to Peer) stream media live-broadcast low-delay transmission method and system thereof
  • P2P (Peer to Peer) stream media live-broadcast low-delay transmission method and system thereof

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[0066] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

[0067] The basic principle of the present invention is as follows: multimedia data is identified as a media data sequence stream, the network nodes that join the system are organized in a certain way, and the media data flows through each node in the network like a water stream, thereby completing the low delay of multimedia data. transmission.

[0068] like figure 1 As shown, it is a flowchart of the low-latency transmission method of P2P streaming media live broadcast of the present invention, including the following steps:

[0069] Step S101: Collect multimedia frames in a multimedia data stream, and perform multimedia encoding on the media frames. The collection task is completed by the ...

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Abstract

The invention discloses a P2P stream media live-broadcast low-delay transmission method comprising the following steps of: collecting multimedia frames in a multimedia data stream and coding the multimedia frames by multimedia; slicing the coded multimedia frames into multimedia data packets of about 1KB and numbering each sliced multimedia data packet; transmitting the multimedia data packets to each broadcasting node through a live-broadcast network; and receiving the multimedia data packets by the broadcasting nodes, combining the multimedia frame data packets into the multimedia frames and playing the multimedia frames. The invention also discloses a P2P stream media live-broadcast low-delay transmission system comprising a multimedia frame collecting module, a multimedia frame slicing module, a multimedia frame data packet transmission module, a multimedia frame recombination module, and the like. The invention improves transmission efficiency, reduces transmission delay and bandwidth waste and increases data transmission stability.

Description

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Claims

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Application Information

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Owner WUXI YSTEN TECH
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