Noise Echo Cancellation Device Based on Video Conference

Abstract

The invention discloses a noise echo cancellation device based on a video conference, which includes a plurality of microphone modules, and the microphone modules are all connected to a microphone switch module through a CAN bus; each microphone module is connected to an audio vibration module and a voice detection module; Voice detection module: detect the voice information of the microphone module and send it to the SIP control center; the audio vibration module: detect the audio vibration information of the microphone module and send it to the SIP control center; the SIP control center: receive the voice information of the voice detection module , compared with the database, whether the voice information content includes the preset voice X, and when the preset voice X is included, send the instruction to close the microphone to the microphone switch module; the microphone switch module receives the instruction and closes the corresponding microphone module, and continues to receive audio The vibration information sent by the vibration module sends an instruction to turn on the microphone to the microphone switch module, and the microphone switch module receives the instruction to turn on the corresponding microphone module.

Description

technical field [0001] The invention relates to an echo cancellation system, in particular to a noise echo cancellation device based on video conferencing. Background technique [0002] The development of network video conferencing system is getting faster and faster. At the same time, more and more companies and government departments have begun to use network video conferencing system to improve work efficiency. A major problem in running multimedia applications such as conferencing-based voice and video on a corporate network is how to manage echo cancellation in meetings. Contents of the invention [0003] The technical problem to be solved by the present invention is how to manage and eliminate the echo in the meeting when running multimedia applications such as conference-based voice and video in the company network, and the purpose is to provide a noise-echo cancellation device based on video conference , to solve a major problem in running multimedia applications ...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is how to manage and eliminate the echo in the meeting when running multimedia applications such as conference-based voice and video in the company network, and the purpose is to provide a noise-echo cancellation device based on video conference , to solve a major problem faced by running multimedia applications such as conferencing-based voice and video in corporate networks is how to manage the problem of eliminating echo in the conference

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