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Intelligent community environment monitoring system

A technology for environmental monitoring and intelligent community, applied in active noise control, sound equipment, instruments, etc., can solve problems such as inability to reduce noise processing

Inactive Publication Date: 2017-01-25
彭胜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology is only aimed at the detection of environmental noise, and cannot produce good noise reduction processing in environments such as community environments.

Method used

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  • Intelligent community environment monitoring system
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Embodiment Construction

[0040] Such as figure 1 As shown, according to a preferred embodiment of the present invention, the present invention provides an intelligent community environment monitoring system, comprising: community environment noise detection unit, at least one fixed noise generating unit, at least one mobile noise source and community environment noise reduction equipment The community environment noise detection unit detects the decibels of the noise generated by the fixed noise source and the mobile noise source, and controls the community environment noise reduction equipment to perform active noise reduction.

[0041] Wherein, the community environment noise detection unit includes a plurality of acoustic sensors connected in series and a comparison circuit connected in series with the outputs of the plurality of acoustic sensors, the acoustic sensors are used to detect the electrical signal of the community environment noise, the comparison The circuit is used to compare the magni...

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Abstract

In order to improve the practicability of active noise reduction of the actual scene in the community, the invention provides a kind of intelligent community environment monitoring system, including: community environmental noise detection unit, at least one fixed noise generating unit, at least one noise reducing device for mobile noise source and community environment, the community environment noise detection unit testing the decibel of stationary noise source and the noise generated by the mobile source, and controlling the community environment noise reduction device for active noise reduction. The intelligent community environment monitoring system of the invention can actively reduce the autonomous mobile noise source, and overcome the technical scheme in prior art and the defect of practical application where only noise of stationary source can be reduced, thus a relatively quiet area within the community environment is isolated out to improve the user experience.

Description

technical field [0001] The present invention relates to the technical field of mobile electronic equipment, and more specifically, relates to an intelligent community environment monitoring system. Background technique [0002] Active noise reduction refers to the technology of collecting environmental noise and generating a signal that is inverse to the noise and playing it back with a noise reduction device to offset the noise. The noise reduction system of a typical active noise reduction (ANC) headset consists of the following parts: 1) a microphone system for collecting noise; 2) an electronic control part for processing sound signals and generating noise reduction signals; 3) speakers A system for generating a noise-reduced sound signal. Most ANC systems employ one of two main structures: feedforward or feedback. For example, in the prior art, for example, Japanese Patent Publication No. JP078558A discloses a comfortable sleep device, including: a first sound pressur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/04G10K11/178
CPCH04R3/04G10K2210/10H04R2430/00
Inventor 彭胜
Owner 彭胜
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