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AVS encoding network transmission method for hard disk videocorder and video server

A video server and encoding network technology, which is applied in the field of network security prevention and monitoring, and can solve the problems of AVS encoding, transmission and packaging.

Active Publication Date: 2011-06-08
BEIJING TELESOUND ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the rapid development of my country's monitoring industry, there is also an urgent need for AVS network transmission suitable for the monitoring industry. How to solve the transmission and packaging problem of AVS encoding on RTP, and provide a method suitable for AVS encoding network transmission, thereby Faster and safer application to the networked security monitoring system is an important issue that needs to be solved in this field

Method used

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Embodiment Construction

[0045] The present invention is described in detail below in conjunction with embodiment, the present invention is described in detail below in conjunction with embodiment, a kind of AVS encoding network transmission method for hard disk video recorder and video server, comprises: A kind of AVS encoding network transmission method for video recorder and video server , including: determining the audio and video coding standard AVS code stream transmitted by the RTP protocol, the specific format, encapsulation format and analysis format of the AVS code stream in the RTP payload area of ​​the real-time transport protocol, which is characterized in that the network abstraction layer unit is sent through the RTP data packet There are three ways to send NALU: ONP, MNP and ONFP; ONP means that only one frame is loaded in one RTP packet, MNP means that one RTP packet contains multiple frames, and ONFP means that one frame is divided into multiple fragments and entered into RTP packets s...

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Abstract

The invention discloses an AVS coding network transmission method for a video recorder and a video server, comprising: determining a RTP protocol to transmit AVS code stream which includes a particular format in a RTP effective load region, three sending means for RTP data packets to send a unit data head of a network abstraction layer are as follows: one RTP only loads one frame of ONP format sending; one RTP packet comprises a plurality of frames of MNP format sending; one frame is divided into a plurality of fragments which are respectively placed into ONFP format sending in the RTP packetand formats for package and analysis. The invention realizes packing format of AVS on RTP transmission and utilizes the RTP protocol to accomplish network transmission of the AVS stream media, such that AVS coding can be applied effectively in the surveillance field, in particular, in network surveillance, and the network surveillance can be realized rapidly and securely in the technical field ofprevention and surveillance for security.

Description

Technical field [0001] The invention relates to the technical field of networked security monitoring, in particular to an AVS encoding network transmission method used for hard disk video recorders and video servers. Background technique [0002] Video surveillance has developed through the first generation of analog surveillance, the second generation of semi-digital surveillance, and now the third generation of full digital network surveillance. Network surveillance has become the mainstream technology in the field of security monitoring. Digital network monitoring is closely related to digital encoding of video images. There are two main series of international audio and video encoding and decoding standards: MPEG series standards formulated by ISO / IEC JTC1; H.26x series video encoding standards formulated by ITU for multimedia communications and G. 7 series audio coding standard. At present, there are four source coding standards that the audio and video industry can ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/24H04N7/26H04L29/06H04N19/70H04N19/85H04N21/2343H04N21/6437H04N21/647
Inventor 谭政聂蓉余和初楚林
Owner BEIJING TELESOUND ELECTRONICS
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