IP-DSL network monitoring system

A network monitoring and monitoring front-end technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as insufficient monitoring bandwidth, and achieve wide application prospects and promotion and use value, low cost, and simple maintenance.

Inactive Publication Date: 2004-12-29
浙江科华科技发展有限公司
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defect of insufficient monitoring bandwidth caused by the transmission mode in the existing monitoring field, and to make the construction more convenient, the purpose of the present invention is to provide a stable and reliable network within a range of 10 kilometers by using the existing telephone line network medium. An IP-DSL network monitoring system for monitoring video and audio information

Method used

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Examples

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Embodiment Construction

[0026] Such as figure 1As shown, 1 to N microphones 1 and 3 transmit the collected audio signals to analog-to-digital converters 13 and 14 through 1 to N standard audio RCA interfaces 8 and 10, and 1 to N cameras 2 and 4 pass 1 to N The video signals gathered by two standard video BNC interfaces 9 and 11 are imported into the analog-to-digital converters 13 and 14 of the IP-DSL network monitoring host, and the analog-to-digital converters convert the received analog signals into digital signals, and the processed digital signals enter Data compression processor 15,16, the data compression processor carries out MPEG, ADPCM format compression to video and audio signal, the data after compression is imported into the 1st embedded microprocessor platform 19, and the data after microprocessor platform 19 processes is imported into The DSL end-side device 22 performs processing, and simultaneously provides a BNC interface 21 output including one channel of composite video and audio,...

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Abstract

The invention discloses an IP-DSL network monitoring system which comprises a monitoring control front end peripheral equipment, an IP-DSL network monitoring control host, an IP-DSL digital disc video recorder and the administration user terminals, wherein the audio and visual signals are treated through A-D conversion through monitoring control host computer, data compression, signal transmission and are transmitted to the telephone line through pulse mode, the digital disc video recorder receiving the signals fro the DSL end of the monitoring control host machine and proceeding data format recovery, the processed data is stored into hard disc medium.

Description

Technical field [0001] The invention relates to an IP-DSL network monitoring system which uses the IP-DSL technology to realize stable transmission of monitoring audio and video information on two-core ordinary twisted-pair telephone lines with a transmission distance of 10 kilometers. Background technique [0002] At present, the IP-DSL (EDSL, ADSL, VDSL) technology is mature, and the stable transmission of voice, data and images can be carried out within 10 kilometers through the two-core twisted pair, especially the EDSL technology, which can transmit 4M- 10Mbit / s data. With the maturity of technology and the development of social economy, the continuous improvement of people's quality of life, and the sharp rise in the demand for video, audio and other services in daily management work, network digital monitoring gradually replaces the traditional single analog monitoring system. Digital hard disk video recorder and analog video codec technology realize video collection...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
Inventor 张建华
Owner 浙江科华科技发展有限公司
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