Noise echo elimination device based on video conference

A technology of echo cancellation and video conferencing, which is applied in the direction of video conferencing systems, speech analysis, instruments, etc., to achieve the effect of fast response time and good switch control

Active Publication Date: 2017-10-13
中科全云(成都)科技有限公司
View PDF13 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Noise echo elimination device based on video conference

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] like figure 1 As shown, the present invention is based on the noise echo cancellation device for video conferencing, including 3 microphone modules, and the microphone modules are all connected to the microphone switch module through the CAN bus; each microphone module is connected to an audio vibration module and a voice detection module; The voice detection module adopts the TL-8017 model: detects the voice information of the microphone module and sends it to the SIP control center; the audio vibration module adopts the YTL-028M model: detects the audio vibration information of the microphone module and sends it to the SIP control center; SIP control center: receive the voice information of the voice detection module, compare with the database, whether the content of the voice information includes the preset voice X, and when including the preset voice X, send the closing microphone instruction to the microphone switch module; the microphone switch module receives Com...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a noise echo elimination device based on a video conference. The noise echo elimination device comprises multiple microphone modules which are connected with a microphone switch module through a CAN bus. Each microphone module is connected with an audio vibration module and a voice detection module. The voice detection modules detect voice information of the microphone modules and transmit the voice information to a SIP control center. The audio vibration modules detect audio vibration information of the microphone modules and transmit the audio vibration information to the SIP control center. The SIP control center receives the voice information of the voice detection module to be compared with a database and detects whether the voice information content includes preset voice X and transmits a microphone turn-off instruction to the microphone switch module if the voice information content includes the preset voice X. The microphone switch module receives the instruction and turns off the corresponding microphone module. The vibration information transmitted by the audio vibration modules is continuously received and a microphone turn-on instruction is transmitted to the microphone switch module. The microphone switch module receives the turn-on instruction and turns 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 ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15G10L21/0208
CPCG10L21/0208G10L2021/02082H04N7/15
Inventor 赵晓东赵世戌
Owner 中科全云(成都)科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap