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37 results about "Urban noise" patented technology

Noise monitoring point position automatic determination method fused with noise map

The invention relates to the field of environmental noise monitoring, and discloses a noise monitoring point position automatic determination method fused with a noise map. The method comprises the following steps: acquiring a base map and sound source data of a target area, layering the base map according to a preset interval in a vertical direction, and carrying out gridding processing to obtain a three-dimensional grid; performing spatial analysis on the sound source data to obtain a sound source intensity matrix, and mapping the sound source intensity matrix to a three-dimensional grid to obtain a three-dimensional noise map; the base map comprises building structure data; performing three-dimensional path exploration on the three-dimensional noise map based on an ant colony algorithm to obtain a noise hotspot path and a pheromone concentration distribution diagram; and carrying out site selection analysis based on a genetic algorithm on the noise hotspot path and the pheromone concentration distribution diagram to obtain a Pareto optimal monitoring site set, the Pareto optimal monitoring site set being used for indicating site selection of the noise automatic monitoring site. By adopting the method, accurate and efficient automatic noise monitoring site selection in a complex urban environment can be realized, and the urban noise monitoring and treatment level is improved.
Owner:BEIJING TUSHENG TIANDI TECH CO LTD

Noise exposure evaluation method and system considering unmanned aerial vehicle

The invention discloses a noise exposure evaluation method and system considering an unmanned aerial vehicle, and the method comprises the steps: obtaining urban environment data and unmanned aerial vehicle related data, carrying out the sound source modeling of the noise of the unmanned aerial vehicle, simulating the propagation of the noise of the unmanned aerial vehicle in an urban environment, and generating an unmanned aerial vehicle noise map; combining and calculating the unmanned aerial vehicle noise map and the current city noise map in combination with the current city noise map to obtain a city noise map; identifying crowd distribution conditions in different time periods and mapping the crowd distribution conditions to geographic space to form crowd distribution maps in different time periods, and performing feature identification and analysis on crowds in combination with multi-source data to obtain a crowd distribution map with crowd feature information; and according to the urban noise map and the crowd distribution map, calculating the total amount of regional noise pollution and the per capita noise pollution index, and calculating the noise exposure levels of different crowds. According to the method, the noise exposure evaluation method is perfected, and the space-time accuracy of unmanned aerial vehicle noise exposure evaluation is improved.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Urban noise complaint spatial distribution feature and partition management and control system

The invention discloses an urban noise complaint spatial distribution characteristic and partition management and control system, relates to the technical field of data processing, and aims to solve the problems that current urban noise partition management and control research is insufficient, quantitative analysis on noise complaint spatial distribution characteristics is less, and the efficiency is high. The system comprises a noise monitoring module, a data processing module, a noise complaint module, an analysis module, a data storage module, a noise partition management and control unit and a display module, and the noise monitoring module is used for monitoring different functional areas of a city. And the noise complaint module is used for establishing a noise complaint threshold value and automatically making a noise complaint for the monitored noise. According to the method, deep mining and analysis of urban noise complaint data are realized through multi-module collaborative operation and in combination with a multi-source information fusion technology, and the problem of insufficient resident complaint analysis in urban noise management and control is effectively solved.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Garden greening garbage treatment system

The utility model discloses a landscaping garbage treatment system which mainly comprises a rack, a coarse crusher, a feeding screw conveyor, a fine crusher, a material collecting bin and an unloader, the coarse crusher, the feeding screw conveyor and the fine crusher are connected and installed on the rack, the feeding screw conveyor is connected and installed between the coarse crusher and the fine crusher, and the unloader is connected and installed between the coarse crusher and the fine crusher. The material collecting bin is connected to the output end of the fine crusher, and the unloader is connected to the lower portion of the material collecting bin. According to the landscaping garbage treatment system disclosed by the utility model, common landscaping garbage generated in cities can be uniformly crushed nearby, the crushing fineness meets the technical requirements of compost fermentation substrate utilization, noise and dust generated during operation are small, and the urban noise and dust pollution control requirements can be met.
Owner:GUANGXI LIYUANBAO SCI & TECH

Totally-enclosed photovoltaic sound barrier for road

The utility model discloses a road totally-closed photovoltaic sound barrier, which belongs to the technical field of road sound barriers, and comprises a frame, photovoltaic sound barrier screen bodies, a transparent PC (polycarbonate) board, a transparent screen body and a metal screen body, a purline is arranged at the top of the frame, the photovoltaic sound barrier screen bodies are detachably connected to the purline, a first gap is formed between the photovoltaic sound barrier screen bodies, and a second gap is formed between the transparent PC board and the metal screen body. The transparent PC board is arranged at the top corner of the frame, a second gap is formed between the transparent PC board and the photovoltaic sound barrier body, the metal screen body and the transparent screen body are arranged on the side face of the frame, the transparent screen body is located on the metal screen body, the top of the transparent screen body extends into the inner side of the transparent PC board, and waterproof sealing rubber strips are arranged in the first gap and the second gap. The photovoltaic sound barrier screen body is directly used as the top sound absorption screen body of the totally-closed sound barrier, photovoltaic power generation and sound insulation and noise reduction are integrated, on one hand, urban noise pollution is reduced, and on the other hand, urban photovoltaic construction land pressure is relieved.
Owner:CHANGZHOU SHICHUANG ENERGY CO LTD

Urban noise map generation method, system and device and storage medium

The invention discloses a city noise map generation method, system and device and a storage medium, and relates to the technical field of environment monitoring, and the method comprises the steps: collecting the noise data of each region of a city through a fixed sensor and a mobile sensor, extracting the spatial-temporal characteristics related to the noise intensity in the noise data, and carrying out the integration, the method comprises the following steps: acquiring noise intensity and noise source positions of different types of noise sources, performing noise level classification according to the noise intensity, acquiring noise levels, integrating the noise source positions, the noise levels and acquisition time of the different types of noise sources, placing an integration result in a map, and generating a noise distribution map with different noise levels. According to the method, the change of noise pollution and the region with high noise level are found and dealt with, the noise distribution condition of each region of a city is accurately described through data integration of the data, and a scientific basis is provided for city planning, environmental protection and public health management.
Owner:CHUANGYUN RONGDA INFORMATION TECH (TIANJIN) CO LTD

Induction blind sidewalk brick, trigger-type tactile stick and blind sidewalk cooperation system

The invention relates to the technical field of intelligent traffic equipment, in particular to an induction blind sidewalk brick, a trigger type tactile stick and a blind sidewalk cooperation system. The sensing blind sidewalk brick comprises a blind sidewalk brick body and a sensing device, wherein a cavity is formed in the blind sidewalk brick body; the trigger device is arranged on the blind sidewalk brick body and is used for receiving a trigger signal triggered by short-distance wireless induction; the sensing device is arranged in the cavity and is in signal connection with the triggering device, and the sensing device sends out a warning signal after the triggering device receives the triggering signal; wherein the trigger device is a tactile stick trigger device; a trigger signal triggered by short-distance wireless induction is sent out by the tactile stick. According to the tactile stick, a point-to-point identification relation is established through close-range induction (magnetism, metal and radio frequency), and the effect that the brick responds only when a visually impaired person carrying the tactile stick arrives is achieved; the selective triggering suppresses broadcast flooding caused by scene noise (raindrops, footsteps, baby carriages and the like), so that information fatigue and urban noise pollution are avoided.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

GIS (Geographic Information System)-based sound environment threshold value quick query method

The invention discloses a GIS-based sound environment threshold value rapid query method, and particularly relates to the technical field of environment noise monitoring and intelligent city management. The method comprises the following steps: acquiring meteorological data and topographic data, analyzing the influence of the environment on noise propagation, calculating an actual noise influence range by combining time information and utilizing a dynamic noise propagation model, adjusting a basic noise limit value, and forming a more accurate dynamic threshold value; in combination with real-time noise monitoring data and traffic flow data, a spatial buffer area algorithm is adopted to evaluate a noise exceeding range, complaint frequency weight is introduced to calculate the noise pollution severity of complaint points, and an optimal treatment scheme is intelligently matched; by continuously monitoring the treatment effect, if the noise pollution is not effectively reduced, the treatment strategy is dynamically adjusted, and the noise propagation model is continuously optimized, so that the accuracy of noise prediction and management is improved, a self-adaptive optimization intelligent noise supervision system is constructed, and the scientificity and intelligent level of urban noise treatment are improved.
Owner:KUNMING INST OF ECOLOGICAL & ENVIRONMENTAL SCI

Ventilation sound insulation structure and sound insulation window

The utility model relates to a ventilation sound insulation structure and a sound insulation window, and belongs to the field of sound insulation windows. The ventilation and sound insulation structure comprises a shell, one side of the shell is provided with an air inlet hole, and the other side of the shell is provided with an air outlet hole; the fan is mounted in the shell; the air deflector is fixed in the shell; the first sound insulation plate is fixed in the shell and is provided with a first through hole; the second sound insulation plate is fixed in the shell, is parallel to the first sound insulation plate and is provided with a second through hole; wherein the first through holes and the second through holes are arranged in a staggered mode, and a fiber layer is arranged between the first sound insulation board and the second sound insulation board. According to the ventilation and sound insulation structure and the sound insulation window, indoor and outdoor air flow exchange can be controlled through the draught fan, so that indoor air flow circulation is achieved, and through mutual cooperation of the first sound insulation plate, the second sound insulation plate and the fiber layer, the influence of external urban noise pollution on the normal life and mental health of indoor people is conveniently reduced.
Owner:SHANGHAI YIXIN ENVIRONMENTAL PROTECTION TECH DEV

Urban design noise optimization method and system based on artificial intelligence

The invention discloses a city design noise optimization method and system based on artificial intelligence, and the method comprises the steps: carrying out the preprocessing of building form and noise measurement data, and constructing a basic data set after noise simulation verification; a three-dimensional city model and a measuring point network are generated through a layered parameterization framework, the structural noise level is calculated, real-time verification is carried out in combination with planning constraints, and a structural design space, noise basic data and feasibility guarantee are provided; a two-stage multi-layer perceptron network is constructed, local building group acoustic influence and a global city noise mode are processed respectively, and high-precision noise prediction is achieved through training; and deploying a large language model as an optimization agent, and outputting an optimal scheme through multiple rounds of iterative optimization and evaluation. Compared with the prior art, the method has the advantages that the noise prediction precision is effectively improved, a structured design space is provided for parametric modeling, the feasibility is guaranteed through real-time verification, efficient iteration is achieved through large language model optimization, and compared with a traditional method, the efficiency is remarkably improved, and the labor cost is reduced.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Geographic Information Monitoring System Based on Intelligent Mobile Terminal

The present invention relates to the field of geographic information monitoring technology, and relates to a geographic information monitoring system based on an intelligent mobile terminal, comprising a geographic data processing module, a noise area analysis module, a pollution source tracing analysis module and a noise pollution control module. The system collects urban geographic area data based on a GIS system embedded in the intelligent mobile terminal, performs data cleaning processing on the collected urban geographic area data, and then analyzes the total received noise value corresponding to each time period of a target building area, thereby screening out each noise pollution time period corresponding to the target building area, and tracing the noise pollution source of the target building area, thereby determining the type of noise source activity leading to the target building area, and further controlling the noise emission of the corresponding noise source in the target building area, thereby ensuring the implementation of effective management, ensuring the completeness of monitoring and evaluation of urban noise source tracing management, and the comprehensiveness of management measures, and improving technical innovation.
Owner:SHANXI ZHIHUI CANGQIONG TECH CO LTD

Building sound baffle photovoltaic module and installation method

The invention provides a built sound barrier photovoltaic module and an installation method, and belongs to the technical field of urban noise reduction construction.The built sound barrier photovoltaic module comprises a built sound barrier and a photovoltaic module, the built sound barrier comprises a row of steel stand columns installed on the two sides of a road, a sound baffle used for isolating noise is installed between every two adjacent steel stand columns, the photovoltaic assembly comprises a photovoltaic cell panel, connecting clamps and fixers, the connecting clamps and the fixers are arranged on the two sides of the photovoltaic cell panel, the photovoltaic cell panel and the steel stand columns are fixedly installed through the multiple sets of fixers on the two sides, and each fixator comprises a clamp and a fixing chuck. The fixed chuck comprises a fastening bolt and a stopping and fixing pressing block, and one end of a stud of the fastening bolt is connected with one side of the stopping and fixing pressing block; according to the invention, a complete installation system can be constructed for the photovoltaic module, the installation of the photovoltaic module based on the built sound baffle is realized, and the problems of the need for photovoltaic power generation in the current sound baffle field, high cost for replacing new equipment and long construction time are solved.
Owner:CHINA CONSTR EIGHTH BUREAU DEV & CONSTR CO LTD

Urban noise space perception and partition management and control system based on Internet of Things

The invention discloses an urban noise space perception and zoning management and control system based on the Internet of Things, relates to the technical field of urban noise monitoring and management and control, and aims to solve the problems that in an urban multi-section construction scene, a noise source is difficult to accurately position, management and control thresholds are rigid and unmatched, multi-section noise responsibilities are difficult to divide, and the construction efficiency is high. The system comprises a multi-dimensional sensing module which is used for collecting noise data, equipment working condition data, environment parameters and sensitive area associated data of a construction area, and transmitting the collected data to a noise source positioning and classifying module; and the noise source positioning and classifying module is used for carrying out fusion processing on the received data. The method has the advantages that the noise source of the construction area is accurately positioned, the differentiated control threshold is generated in combination with the scene, meanwhile, the multi-section noise contribution degree is quantified, and the construction safety progress and sensitive area environment guarantee are efficiently balanced.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Urban noise complaint spatial distribution feature and partition management and control system

The invention discloses an urban noise complaint spatial distribution feature and partition management and control system, relates to the technical field of noise pollution treatment, and aims to solve the problems that the processing of current massive noise complaint data mainly focuses on statistical quantity and total quantity control; the system comprises a noise data acquisition module used for acquiring the noise monitoring data, a complaint data acquisition module used for acquiring the noise complaint data, a base map of a map, a grid processing module and a spatial distribution feature generation module, the base map of the map comprises a longitude and latitude range, a grid processing module and a noise data acquisition module, the grid processing module is used for dividing the longitude and latitude range and providing a geographic basis for data superposition and spatial distribution display, a supervision level indication diagram of each grid can be generated, spatial distribution characteristics of urban noise can be visually displayed, and the method is suitable for popularization and application. And the actual states of noise complaint and noise monitoring can be reflected.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

An artificial intelligence-based urban design noise optimization method and system

An artificial intelligence-based urban design noise optimization method and system includes: preprocessing building form and noise measurement data, constructing a basic data set after noise simulation verification; generating a three-dimensional urban model and a network of measurement points through a hierarchical parameterized framework, calculating the structure-borne noise level, and verifying it in real time in conjunction with planning constraints, providing a structured design space, basic noise data, and feasibility assurance; constructing a two-stage multilayer perceptron network to process the acoustic impact of local building clusters and global urban noise patterns, respectively, and achieving high-precision noise prediction through training; deploying a large language model as an optimization agent, and outputting the optimal solution through multiple rounds of iterative optimization and evaluation. Compared with traditional technologies, this invention effectively improves noise prediction accuracy. Parametric modeling provides a structured design space, real-time verification ensures feasibility, and the use of a large language model for optimization enables efficient iteration, significantly improving efficiency and reducing labor costs compared to traditional methods.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Square dance noise data processing method

The invention relates to a square dance noise data processing method, and relates to the field of smart cities, and the method comprises the steps: obtaining a resident at-home probability set of a noise coverage area according to the matching of a current playing interval; by utilizing a noise region simulation space, according to the current meteorological data and the resident at-home probability set, performing sound layout parameter iterative optimization by taking a sound movable region range as an optimization space and taking the minimum overall noise influence as a target, and outputting an optimal position and an optimal angle; and placing the sound in the current playing interval according to the optimal position and the optimal angle, and continuing to optimize the sound placement. According to the invention, the technical problem that the regional noise influence is difficult to effectively control because the traditional method cannot reasonably select the activity field and sound layout of the square dance in combination with the actual scene can be solved; scientific and reasonable arrangement of a square dance activity site and sound equipment layout can be improved, regional noise pollution is reduced to the greatest extent, and intelligent and scientific urban noise management is realized.
Owner:BEIJING CITY UNIVERSITY

Induction blind way brick, trigger type blind stick, blind way cooperative system

ActiveCN121138091BNoise (radio)Urban noise
The application relates to the technical field of intelligent traffic equipment, in particular to an inductive blind sidewalk brick, a trigger type blind stick and a blind sidewalk coordination system. The inductive blind sidewalk brick comprises a blind sidewalk brick body, a trigger device and an inductive device; the blind sidewalk brick body is internally formed with a cavity; the trigger device is arranged on the blind sidewalk brick body and receives a trigger signal of short-distance wireless induction triggering; the inductive device is arranged in the cavity and is signal-connected to the trigger device; the inductive device sends an alarm signal after the trigger device receives the trigger signal; wherein the trigger device is a blind stick trigger device; the trigger signal of short-distance wireless induction triggering is sent by the blind stick. In the application, a point-to-point identification relationship is established by close-range induction (magnetic, metal, radio frequency), so that only the blind sidewalk brick responds when a visually impaired person carrying the blind stick arrives; the selective triggering suppresses the broadcast flooding caused by scene noise (raindrops, footsteps, baby strollers and the like), thereby avoiding information fatigue and urban noise pollution.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

Remote square dance sound noise control system

This invention belongs to the field of urban noise management technology and provides a remote square dance sound noise control system, comprising: one or more speakers, each with an embedded volume control module, the speakers being distributed across one or more monitoring areas; a remote control terminal, which determines the noise threshold of the monitoring area and sends the noise threshold to the embedded volume control modules of the speakers within the monitoring area; after receiving the noise threshold, the embedded volume control modules within the monitoring area detect the noise volume inside the speakers, and when the noise volume inside the speakers is greater than or equal to the noise threshold, it shuts off the power supply circuit of the speaker motherboard of the speaker containing the embedded volume control module; this invention enables noise location and control to be specific to the speakers, achieving precise noise control and fairness. Simultaneously, the remote control terminal can set different noise thresholds for different monitoring areas, meeting the needs of regionally differentiated noise control.
Owner:CHONGQING CHUANGMI TECH GRP CO LTD

Urban noise source positioning equipment

The utility model relates to the technical field of noise detection equipment, and discloses urban noise source positioning equipment which comprises a mobile vehicle body, a sound source positioning mechanism is arranged at the top end of the mobile vehicle body, the mobile vehicle body comprises a vehicle seat, universal wheels are fixedly installed at the four corners of the bottom end of the vehicle seat respectively, and a U-shaped frame is fixedly connected to one side of the middle of the top end of the vehicle seat. A through hole is formed in the middle of the top end of the U-shaped frame. By adopting the design of the movable sound source positioning structure, the sound source positioning device comprises the sound source positioning mechanism, the sound source positioning mechanism comprises the microphone array mechanism which can rotate and can be adjusted in a lifting manner, and when the sound source positioning device is far away from a noise source or the noise intensity is weak, the microphone array mechanism can be rotated and adjusted, the direction of the noise source can be detected, and the vehicle body can be moved; and making the position close to the noise source until the position of the urban noise source is determined.
Owner:SHENZHEN GEYUN HONGBANG ENVIRONMENTAL PROTECTION TECH CO LTD

A noise monitoring system for urban noise pollution based on intelligent sensing

The application provides a kind of noise monitoring system of urban noise pollution based on intelligent sensing, it is related to data processing technical field.In the present application, first, first noise audio and second noise audio are subjected to semantic mining respectively, to form first noise semantic vector and second noise semantic vector;Second, noise type semantic vector is mined;Then, noise type semantic vector and first noise semantic vector are subjected to noise type correlation analysis, and noise type correlation data is output;Further, noise type correlation data is used as the basis for semantic enhancement, and second noise semantic vector is subjected to semantic enhancement to form enhanced noise semantic vector;Finally, noise type prediction is carried out according to enhanced noise semantic vector, to form target noise type.Based on the above method, the problem of relatively low reliability of noise monitoring in the prior art can be improved.
Owner:SICHUAN KAILE DETECTION TECH

A method for intelligently identifying urban noise sources based on neural networks

The present invention discloses a method for intelligently identifying urban noise sources based on a neural network, which relates to the technical field of noise identification. Aiming at the technical problems that the current urban noise source identification method is difficult to achieve real-time detection of noise sources, resulting in a decrease in the accuracy of noise source category identification, making the difficulty of noise source classification relatively high and unable to meet the intelligent identification requirements of noise sources, the method includes the following steps: establishing an urban noise source database, establishing an urban noise basic characteristic parameter database, analyzing based on the urban noise source database to establish a standard data set of noise source characteristic parameters, determining the noise source characteristic parameters, determining the target area, constructing an urban noise monitoring system at the center of the target area, and measuring the characteristic parameter vector of the noise source in the target area. By using the neural network algorithm, the present invention automatically constructs an intelligent noise source identification model to assist in the discrimination of different noise sources, and has a relatively high recognition rate.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Urban noise monitoring device capable of being attached to existing vertical rod

A city noise monitoring device capable of being attached to an existing vertical rod is characterized in that the two sides of the existing vertical rod are tightly attached to a left arc part and a right arc part of an upper hoop respectively, the existing vertical rod is anchored between the left arc part and the right arc part through bolts, the outer sides of the left arc and the right arc extend out of a cantilever plate beam, and the tail end of the cantilever plate beam is hinged to the upper end of an inclined strut; the lower end of the inclined strut is hinged to the left and right arc parts of the lower hoop, and the existing vertical rod is anchored between the left and right arcs through bolts; and a noise monitor is fixed on the cantilever plate beam. According to the noise monitoring device, the triangular bracket can be fixedly mounted on the existing vertical rod in an attached manner, the current situation that the noise monitoring device needs to be provided with a bracket for mounting is changed, and the noise monitoring device has the advantages of wide application range, convenience in mounting and dismounting, repeated use, high expansibility and the like.
Owner:叶青

Noise analysis method, device and equipment based on running vehicle and storage medium

The invention discloses a noise analysis method, device and equipment based on a running vehicle and a storage medium, and the method comprises the steps: obtaining noise data at the current time and the current position collected by a noise monitoring device in response to a noise monitoring request instruction initiated by a driver; vehicle driving position information at the current position is determined; and the noise data and the vehicle driving position information are sent to a noise analysis system, so that the noise analysis system carries out noise analysis according to the received vehicle driving position information and noise data of the at least one vehicle, and a noise analysis result is obtained. According to the technical scheme, the noise data of the current environment can be acquired by using the running vehicle according to the initiated noise monitoring request instruction, and then the acquired noise data and the current position information are combined, so that comprehensive and efficient monitoring and analysis of urban noise pollution conditions can be dynamically realized, and the urban noise pollution monitoring efficiency is improved. And the urban noise acquisition and processing efficiency is improved.
Owner:CHINA FAW CO LTD

Method for intelligently identifying urban noise source based on neural network

The invention discloses a method for intelligently identifying an urban noise source based on a neural network, relates to the technical field of noise identification, and aims to solve the problems that the current urban noise source identification method is difficult to realize real-time detection of the noise source, so that the accuracy of noise source category identification is reduced, the difficulty of noise source classification is relatively high, and the accuracy of noise source classification is low. The method comprises the following steps: establishing an urban noise source database, establishing an urban noise basic characteristic parameter database, carrying out analysis on the basis of the urban noise source database to establish a noise source characteristic parameter standard data set, determining noise source characteristic parameters, and determining a target area. The urban noise monitoring system is constructed in the center of the target area, the feature parameter vector of the noise source of the target area is measured, the intelligent noise source recognition model is automatically constructed by applying the neural network algorithm, discrimination of different noise sources is assisted, and the recognition rate is high.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Edge ai-based city noise analysis method, device, equipment and storage medium

ActiveCN120412660BSpeech analysisPattern recognitionUrban noise
The application provides an urban noise analysis method and device based on edge AI, equipment and a medium. The method comprises the following steps: sending target noise data collected by a sound collecting device to an edge AI device; inputting the target noise data into a pre-trained scene adaptation model by the edge AI device; determining a scene analysis result of the target noise data by the scene adaptation model, wherein the scene analysis result comprises audio features and scene features corresponding to the audio features; sending the scene analysis result to an intelligent analysis device by the edge AI device; determining a target prevention strategy based on the scene analysis result and a preset knowledge graph by the intelligent analysis device, wherein the target prevention strategy is a prevention strategy for the target noise data, and the knowledge graph comprises historical cases, and the historical cases record scene analysis results of historical noise data and corresponding historical prevention strategies. According to the technical scheme of the embodiment of the application, the analysis result of the target noise data can be output in real time.
Owner:ZHUHAI GAOLING INFORMATION TECH COLTD

Urban noise sensing equipment carried by unmanned aerial vehicle

The utility model relates to the field of noise detection and monitoring, in particular to urban noise sensing equipment carried by an unmanned aerial vehicle, which comprises a noise detection sensor, an upper support frame is sleeved on the outer side of the noise detection sensor, and a wind sound weakening mechanism is arranged below the upper support frame. The wind sound weakening mechanism comprises two groups of weakening plates arranged below the upper supporting frame, guide grooves are formed in one sides of the weakening plates, a plurality of groups of air inlet columns are fixedly connected to the top ends of the weakening plates, air inlet holes are formed in the bottom ends of the air inlet columns, air outlet columns are fixedly connected to the top ends of the air inlet columns, and air outlet holes are formed in the air outlet columns; the diameter of the air outlet hole is larger than that of the air inlet hole. After wind on the front side and the rear side of the unmanned aerial vehicle encounters the weakening plates, the wind direction is changed through the guide grooves so as to reduce stress of the upper supporting frame, airflow enters from the air inlet holes and then is exhausted through the air outlet holes, air pressure is reduced through the diameter difference between the air inlet holes and the air outlet holes, then resonance strength is reduced, and therefore the influence of the airflow on noise collection is reduced.
Owner:SUZHOU SHENGSHOU ACOUSTICS TECH CO LTD

Environmentally friendly soundproof screens to alleviate urban noise pollution

ActiveCN224431287UUrban noiseEnvironmental engineering
This utility model discloses an environmentally friendly soundproof barrier to alleviate urban noise pollution, including a soundproof barrier with a light-transmitting component inside. The light-transmitting component includes a rotating frame with a transparent plate inside. One side of the rotating frame is rotatably installed inside the soundproof barrier. When the rotating frame needs to be rotated, two limiting blocks are pulled from the outside, i.e., the connecting rope and the locking block are pulled, causing the locking block to disassemble in the locking slot. When the inside of the transparent plate needs to be cleaned, the rotating frame is rotated outwards, moving the inner part of the transparent plate to the outside of the road for cleaning without obstructing the lane. When the rotating frame is rotated 90° outwards, the top of the bolt aligns with the limiting port. By rotating the bolt and inserting it into the limiting port, the rotating frame is fixed, facilitating cleaning of the transparent plate.
Owner:NANJING ZHILV ACOUSTIC TECH CO LTD

A square dance noise data processing method

The present invention relates to a square dance noise data processing method, which relates to the field of smart cities, including: obtaining a set of probabilities of residents being at home in a noise coverage area according to the current playback interval matching; utilizing a noise area simulation space, based on current meteorological data and a set of probabilities of residents being at home, taking the range of the movable area of the audio as the optimization space, and iteratively optimizing the audio layout parameters with the goal of minimizing the overall noise impact, and outputting the optimal position and optimal angle; placing the audio within the current playback interval according to the optimal position and optimal angle, and continuing to optimize the audio placement. The present invention can solve the technical problem that traditional methods cannot reasonably select the activity venue and audio layout of square dance in combination with actual scenarios, resulting in the difficulty in effectively controlling the regional noise impact; it can improve the scientificity and rationality of the setting of the square dance activity venue and audio layout, minimize regional noise pollution, and realize intelligent and scientific urban noise management.
Owner:BEIJING CITY UNIVERSITY

Noise monitoring system for urban noise pollution based on intelligent sensing

The invention provides a noise monitoring system for urban noise pollution based on intelligent sensing, and relates to the technical field of data processing. The method comprises the following steps: firstly, respectively carrying out semantic mining on a first noise audio and a second noise audio to form a first noise semantic vector and a second noise semantic vector; secondly, mining a noise type semantic vector; then, performing noise type correlation analysis on the noise type semantic vector and the first noise semantic vector, and outputting noise type correlation data; further, taking noise type related data as a semantic enhancement basis, and performing semantic enhancement on the second noise semantic vector to form an enhanced noise semantic vector; and finally, performing noise type prediction according to the enhanced noise semantic vector to form a target noise type. Based on the method, the problem of relatively low reliability of noise monitoring in the prior art can be improved.
Owner:SICHUAN KAILE DETECTION TECH

Urban noise analysis method and device based on edge AI, equipment and storage medium

The invention provides an edge AI-based urban noise analysis method, device, equipment and medium, and the method comprises the steps: transmitting collected target noise data to edge AI equipment through sound collection equipment, and inputting the target noise data to a pre-trained scene adaptive model through the edge AI equipment, a scene analysis result of the target noise data is determined through the scene adaptation model, and the scene analysis result comprises audio features and scene features corresponding to the audio features; the scene analysis result is sent to the intelligent analysis device through the edge AI equipment, the intelligent analysis device determines a target prevention and treatment strategy based on the scene analysis result and a preset knowledge graph, the target prevention and treatment strategy is the prevention and treatment strategy of the target noise data, and the knowledge graph comprises historical cases; the historical case records a scene analysis result of the historical noise data and a corresponding historical prevention and treatment strategy. According to the technical scheme of the embodiment of the invention, the analysis result of the target noise data can be output in real time.
Owner:ZHUHAI GAOLING INFORMATION TECH COLTD