Digital-analog hybrid security and protection intercom system

Abstract

The invention provides a digital-analog hybrid security and protection intercom system, and the system comprises an intelligent digital intercom system, a digital-analog hybrid docking system, and ananalog intercom system. The intelligent digital intercom system is composed of an entrance machine, an internet, a cell management machine, a cloud server and a cloud terminal. The cell management machine, the cloud server and the cloud terminal are connected through the Internet. The digital-analog hybrid docking system is composed of an echo elimination and noise reduction module, an image conversion module, a digital analog signal bus, an analog control bus and a digital analog signal bus conversion high-speed signaling control bus module, wherein the analog intercom system is composed of an analog intercom indoor unit arranged in a user room, the analog system is used for realizing with the intelligent digital intercom module, and the digital-analog hybrid docking system is provided with an echo elimination and noise reduction module and can perform bidirectional echo elimination and background noise reduction on the intelligent digital intercom system and the analog intercom system.

Description

technical field [0001] The invention relates to an intercom system, in particular to a digital-analog hybrid security intercom system. Background technique [0002] Due to the low cost of analog intercom and the mature scheme, it is now an intercom solution for many middle and low-end building communities. [0003] However, most of the existing digital-analog hybrid systems only realize the simple connection between digital and analog intercom, and the system is not flexible. 200ms delay, the intercom has the problems of sound delay, echo howling and background noise, and only realizes the community intercom service. With the development of modern technology and the demand for intelligent community construction, the cost of equipment must also be considered. Therefore, it is necessary to provide a low-cost visual intercom solution capable of intelligent cloud intercom, remote control, and community management and release of graphic information. Contents of the invention ...

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Problems solved by technology

[0003] However, most of the existing digital-analog hybrid systems only realize the simple connection between digital and analog intercom, and the system is not flexible. 200ms delay, the intercom has the problems of sound delay, echo howling and background noise, and only realizes the community intercom service. With the development of modern technology and the demand for intelligent community construction, the cost of equipment must also be considered. Therefore, it is necessary to provide a low-cost visual intercom solution capable of intelligent cloud intercom, remote control, and community management to release graphic information

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