360 results about "Wind noise" patented technology

The invention relates to the technical field of audio signal processing, and discloses a wind-noise-resistant self-adaptive volume adjustment method and system for a riding earphone, and the method comprises the following steps: S1, collecting environment sound and a source audio signal in parallel; s2, analyzing environment sound, and determining macroscopic adjustment intensity; s3, analyzing the source audio in parallel, and identifying a content type and a transient signal of the source audio; s4, based on the psychological acoustic model, generating a frequency-related target method tone quality compensation gain; s5, performing dynamic smoothing and frequency weighting on the target gain according to the content and the transient characteristics to generate an application gain; s6, fusing the macroscopic adjustment intensity and the application gain, and synthesizing a final gain parameter; and S7, applying the final gain to the source audio, and outputting the compensated audio. According to the method, the psychological acoustic model and audio content parallel analysis are fused, frequency-level accurate compensation is realized, the problems of traditional degradation and sudden hearing sense change are solved, and the audio definition and comfort are improved.

The invention relates to the technical field of automobile manufacturing, and discloses a front wall outer plate assembly which is characterized in that a plate body and flow guide covering parts on the two sides are manufactured through an integrated forming process, a traditional multi-part splicing mode is replaced, the number of parts is reduced, the production cost is reduced, meanwhile, the assembly tolerance accumulation risk is reduced, and the attractiveness is improved; secondly, a through hole is formed in the bottom of the mounting groove in a penetrating mode, the bottom of the mounting groove can make contact with the vehicle logo, the contact area is increased, the mounting stability is improved, meanwhile, the closed cavity is broken through the through hole, and the situation that the vehicle logo is difficult to detach due to the negative pressure adsorption effect is avoided; and finally, the flow guide part is connected to the flow guide covering part, the blades can divide the opening into a plurality of air inlets, layered design is achieved, airflow is divided into ordered airflow, wind noise generated by vortexes is reduced, the ventilation effect is improved, wind resistance is remarkably reduced, the flow guide covering part and the flow guide part are detachably connected, replacement of accessories at different flow guide angles is supported, and cost is reduced. And the method has relatively high applicability.

The utility model discloses an earphone and playing equipment, and belongs to the technical field of earphones. The earphone comprises an earphone body and a shell, the earphone body is used for playing audio for the conchae cavity, the shell is connected with the earphone body, the shell is provided with a pickup hole, the pickup hole is used for picking up sound, the shell is provided with a pressure reduction area, the pressure reduction area is used for dispersing wind power of airflow, the pickup hole is formed in the pressure reduction area, and the opening direction of the pickup hole and the axial direction of the shell are arranged in a crossed mode. The earphone can reduce wind noise.

This invention provides a method and system for adjusting a vehicle audio system, which includes multiple speakers. The adjustment method includes: acquiring vehicle status information and the initial volume of each speaker, wherein the vehicle status information includes window opening status information, which includes window opening area information and window opening position information; determining the compensation volume of each speaker based on the vehicle status information; determining the target volume of each speaker based on the compensation volume and the initial volume; and adjusting the volume of each speaker based on the target volume. This method achieves targeted adjustment of each speaker based on the combined window opening area and position, avoiding the impact of wind noise generated after the windows are opened on the speaker volume, and effectively improving the passenger's auditory experience.

The invention provides a feed-forward type wireless noise reduction earphone structure and a wireless Bluetooth earphone. The feed-forward type wireless noise reduction earphone structure comprises an earphone shell module and a noise reduction processing module. The earphone shell module is composed of a noise reduction turbulent flow assembly, an in-ear shell, an L-shaped shell and an upper cover shell, the upper cover shell covers the L-shaped shell, the in-ear shell abuts against the L-shaped shell, and the L-shaped shell is provided with a device containing cavity used for fixing the noise reduction processing module. The top end of the L-shaped shell is provided with a pickup channel, a sound transmission cavity and a turbulent flow cavity, the turbulent flow cavity is communicated with the pickup channel, the pickup channel is communicated with the vertical sound transmission cavity, the noise reduction turbulent flow assembly covers the turbulent flow cavity, and an opening of the sound transmission cavity faces the microphone assembly of the noise reduction processing module. When the earphone is normally worn, the opening of the pickup channel faces the outer side of the human body helix, the main flow direction of external airflow can be avoided, and wind noise interference is reduced. The problem that a large amount of noise is mixed into sound signals due to the fact that a traditional earphone pickup hole is prone to being affected by wind noise is solved, and the microphone assembly can collect purer sound signals.

The application discloses a water-cooled controller for a pump and belongs to the field of water pump controllers. In view of the problems of poor heat dissipation and loud noise of an air-cooled controller, the water-cooled controller comprises a shell and an upper cover which are connected together, a circuit board is arranged between the shell and the upper cover, a partition wall is arranged in the shell, the circuit board is connected to the partition wall from top to bottom, a cooling pipe capable of communicating with a water source penetrates through the shell, the cooling pipe is connected to the partition wall from bottom to top through a connecting assembly, a heating element is arranged on the circuit board, the heating element is tightly attached to the partition wall, or the heating element corresponds to the upper and lower positions of the cooling pipe, so that the heat generated by the heating element is directly or indirectly transferred to the cooling pipe. The heat of the heating element on the circuit board is directly or indirectly transferred to the cooling pipe, the water flow in the cooling pipe can take away the heat transferred thereto, the heat dissipation effect is guaranteed, and no fan is used, so that the influence of wind noise is effectively avoided.

This utility model relates to the field of helmet technology, specifically to a helmet with a concealed lens, comprising an outer shell, an inner liner disposed inside the outer shell, and a lens hinged to the inner shell and located outside the inner liner; a storage cavity is formed between the outer shell and the inner liner to house the lens, thus concealing the lens inside the helmet. This utility model, through its concealed lens design, significantly improves helmet durability, reduces wind resistance and wind noise, optimizes the aesthetics, and reduces the frequency of cleaning and maintenance.

The invention discloses an open type wearable noise reduction earphone, and relates to the field of earphones. The earphone shell is provided with a pickup hole; the pickup hole is positioned on the inner side of the earphone shell; the microphone is arranged in the earphone shell and corresponds to the pickup hole; the noise reduction net-shaped structure is connected with the earphone shell and shields the pickup hole; and the noise reduction net structure is positioned on one side, close to the pickup hole, of the microphone. According to the microphone, the pickup hole is shielded by the noise reduction net structure, voice sound waves are allowed to pass through, the sensitivity of the microphone to effective voice signals is not remarkably reduced, and tone quality degradation or algorithm compensation requirement increase caused by blockage of a pickup channel is avoided; and the direct impact of wind noise on the microphone is avoided, physical weakening and energy dissipation are carried out on the airflow entering the pickup channel, and the influence of the wind noise on the pickup of the microphone is reduced from the structural level, so that the call quality in a wind noise scene is effectively improved on the premise of not influencing the open wearing experience.

The invention relates to the technical field of artificial intelligence, and discloses a BCM module cooperative control method based on voice instruction recognition in a vehicle-mounted high-noise environment, and the method comprises the following steps: collecting original voice instruction data and vehicle state parameter data in the vehicle-mounted high-noise environment; performing voice signal preprocessing in a noise environment based on the original voice instruction data to generate de-noised voice instruction data; according to the method, the engine noise and the wind noise steady-state background noise are filtered out through multi-level noise suppression processing combining adaptive filtering and spectral subtraction, residual noise elimination is carried out for sudden impact noise, and the definition of voice signals is improved. Meanwhile, through a voice activity detection algorithm, a detection threshold is dynamically adjusted according to vehicle state parameters, an effective voice segment and a noise segment can be separated, the accuracy of voice feature extraction in a complex time-varying noise environment is ensured, and thus the robustness and reliability of voice instruction recognition are improved.

A combined convolutional neural network driven automobile flow field excitation prediction method comprises the following steps: 1) constructing a plurality of automobile deformation models with continuous geometric feature changes, and sampling multi-view images of all automobile deformation models to construct an image dataset; 2) simulating transient flow fields of all automobile deformation models, obtaining corresponding fluid dynamic pressure excitation and sound pressure excitation, and labeling corresponding multi-view images in the image dataset with excitation labels to construct a training set; 3) constructing a combined convolutional neural network model; 4) taking multi-view images as input and excitation labels as output, and training the combined convolutional neural network model by using the training set; and 5) obtaining multi-view images of a to-be-predicted automobile, inputting the multi-view images of the to-be-predicted automobile into the trained combined convolutional neural network model, and obtaining predicted fluid dynamic pressure excitation and sound pressure excitation. The application can significantly reduce the dependence of automobile flow field excitation calculation on supercomputing services and reduce wind noise development costs.

The utility model discloses a geological disaster early warning with mechanical structure infrasound sensing monitoring device belongs to geological disaster monitoring technical field. The technical problem to be solved is that the existing infrasound sensing monitoring device is easy to be interfered by wind noise caused by strong wind direct blowing, and sandstone and dust are easy to block after entering and cannot be cleaned automatically. Technical scheme main points: including pillar, the fixed hoop equipment box is equipped on the outer wall of pillar, and the mounting plate is fixedly arranged in the equipment box, and the telemetry terminal and the infrasound sensor are arranged on the mounting plate; A plurality of blow-off plates are provided in the equipment box along the height, the blow-off plate comprises a W wave plate and a base, the W wave plate is provided with a through hole at the bottom end and is arranged on the inner wall of the equipment box, and the base is matched with the through hole; The collecting disc is fixedly arranged in the equipment box and located below the blow-off plate. The device forms a bending channel through the blow-off plate to avoid the direct blowing of the sensor, cooperates with the base to intercept sandstone, and realizes the automatic cleaning of sandstone through the linkage of the rotating plate and the base. L-shaped drain pipe guides sandstone to be discharged and prevents rainwater from flowing back, and is mainly used for early warning of geological disasters.

The utility model relates to the field of ventilation equipment, in particular to an anti-blocking mute floor blowing fan which comprises a shell. The device further comprises a buckle ring and a target-shaped sound absorption frame with holes, the inner walls of the left end and the right end of the shell are fixedly connected with a wind generating chamber in a penetrating mode, a power piece containing groove is formed in the right end of the integrated structure formed by the shell and the wind generating chamber, power assemblies are arranged in the power piece containing groove and the wind generating chamber, and a discharging opening is formed in the front end of the wind generating chamber in a penetrating mode. The shielding dustproof net is installed on the inner wall of the fixing ring, external floating objects are intercepted in the working process, the dustproof protection effect is achieved, one end of the tough elastic piece penetrates through the through hole of the fixing ring to extend to the left end, the clamping ring can be deformed and pulled out through pressing in the maintenance process, rapid disassembly is achieved, and related parts are convenient to clean; and the annular sound-absorbing cotton is fixedly connected to the arc-shaped outer wall of the outermost side of the target-shaped sound-absorbing frame with the holes, so that the effects of vibration resistance and noise reduction are achieved, and the resonance noise of the shell is reduced.

The utility model discloses a noise reduction air receiving port, which comprises a square frame, an outer plate, a shell, an air inlet, an air inlet pipeline, an air outlet joint, an inner plate and an air outlet, the outer plate is arranged above the square frame, the shell is arranged on the outer plate, the air inlet is arranged on the shell, one side of the shell is connected with the air inlet pipeline, and the other side of the shell is connected with the air outlet joint. One end of the air inlet pipeline is communicated with the air inlet in the shell, and the other end of the air inlet pipeline is communicated with an air outlet connector. An inner plate is installed below the square frame, an air outlet is formed in the inner plate and communicated with the air outlet end of the air outlet connector, the shell is of a square structure with an opening in the top, an air inlet is formed in the side wall of the shell, the air inlet pipeline is a porous noise reduction air channel, the air outlet connector is composed of two air channel connectors, and the air inlet connector is connected with the air inlet pipeline. According to the utility model, wind noise and external sound can be reduced, so that the sound insulation effect of the cabin body is improved, and wind circulation is kept.

The present application relates to epidemic prevention communication technology field, especially to a duplex cluster communication interaction method and system and epidemic prevention helmet, which comprises: using the air guide pickup component arranged in the helmet body to obtain the voice signal of the wearer, and outputting the audio signal through the air guide sound production component arranged in the helmet body; performing echo cancellation and noise reduction processing on the obtained audio signal; using an adaptive filtering algorithm to suppress the acoustic feedback between the air guide pickup component and the air guide sound production component; based on a distributed channel access mechanism, allocating communication resources for multiple communication nodes to access in duplex; relying on a mesh self-organizing network topology without a central node to perform multi-hop forwarding and route maintenance of data packets, solving the problems of unclear communication, howling and signal attenuation in the strong noise, wind noise and shielding scene in the epidemic prevention helmet, effectively guaranteeing the clarity, stability and safety of cluster communication in harsh working environment.

The invention provides audio automatic detection equipment, and relates to the technical field of audio detection. The audio automatic detection equipment comprises a to-be-tested sound source assembly, and further comprises an air nozzle configured to provide air flow required by a wind noise test for the sound source assembly, and the air nozzle is in fluid communication with a pump set through an air guide pipeline; the artificial ear assembly is correspondingly arranged under the wind nozzle, a main body of the artificial ear assembly is a tubular outer shell, a limiting bayonet is formed in the top end of the outer shell and used for fixing the sound source assembly to be detected, and an audio detection piece is arranged in the bottom end of the outer shell to collect acoustic signals of the sound source assembly in the wind noise environment. According to the invention, a fitting degree quantification structure of deformation of the elastic soft film is matched with an airflow channel switching structure driven by the reversing plug, a test condition close to a real use scene is constructed, the structure can accurately reproduce actual working conditions of earphone wearing loosening and airflow interference, a multi-factor coupling test of ANC intervention and airflow injection under a fitting gap is realized, and the test efficiency is improved. And the influence degree of the airflow on the ANC noise reduction effect and the tone quality is quantified.

The application provides an active noise reduction method and system for road noise and wind noise of an automobile, and the active noise reduction method comprises the following steps: S1, collecting a dynamic parameter signal and a total mixed noise signal during automobile driving; S2, constructing a dynamic calculation model of a Strouhal number according to a Reynolds number, deducing a real-time calculation model of a characteristic frequency of each noise source i according to the dynamic calculation model of the Strouhal number, and outputting a real-time characteristic frequency sequence corresponding to each noise source i; S3, constructing a global signal dictionary D, using an orthogonal matching pursuit sparse representation algorithm, and separating a single noise source signal in the total mixed noise signal by iteratively screening a dictionary atom with the highest matching degree with the characteristic frequency; S4, using a frequency tracking type fast adaptive filtering algorithm to generate a corresponding anti-phase cancellation signal; and S5, outputting the anti-phase cancellation signal in the automobile cabin, so that noise reduction can be performed on each noise source i.

The invention relates to an automobile wheel cabin wind noise control system and method, electronic equipment and an automobile. The automobile wheel cabin wind noise control system comprises an airflow nozzle, and the airflow nozzle is installed in an automobile wheel cabin; the vehicle speed sensor is installed on a vehicle body of the vehicle and used for collecting the real-time vehicle speed of the vehicle; the controller is connected with the vehicle speed sensor and the airflow nozzle and used for controlling the airflow speed and / or the airflow direction of air sprayed out of the airflow nozzle to the wheel cabin according to the real-time vehicle speed collected by the vehicle speed sensor, and wind noise caused by turbulent flow generated by the real-time vehicle speed of the wheel cabin is weakened. The airflow in the wheel cabin is converted into a laminar flow state from a turbulent flow state, so that the wind noise caused by the turbulent flow generated by the real-time vehicle speed in the wheel cabin is weakened, and the driving and riding comfort of a driver and passengers in the vehicle is ensured.

This invention relates to a noise-reducing energy storage converter cabinet, comprising a cabinet body with an internal air-gathering channel. The air-gathering channel has shelving structures on its left and right sides for mounting energy storage converter components. Each shelf has a buffer noise-reducing component at both ends. The shelving structures on both sides of the air-gathering channel form a circulating air duct with the inner periphery of the cabinet body. A fan assembly is located at the front end of the air-gathering channel, with its outlet extending into the channel. The rear end of the air-gathering channel is connected to the circulating air duct. The inner wall of the cabinet is equipped with a sound-absorbing mechanism. By setting up a closed circulating air duct inside the cabinet and installing a sound-absorbing mechanism around the outside of the circulating air duct, wind noise can be effectively controlled, thereby reducing the cabinet's noise level. The buffer noise-reducing components can buffer the energy storage converter components, thereby reducing vibration noise during operation. Combined with the wind noise reduction structure, the cabinet achieves good noise reduction performance.

The utility model discloses a machine cover decorating part, a cabin cover assembly and a vehicle. Belongs to the technical field of vehicles, the cover decorating part is used for the vehicle, the cover decorating part comprises a base and a buffer ring, the base is provided with a vehicle logo avoiding hole, the base is suitable for being connected with the inner side face of a cabin cover of the vehicle, the buffer ring is connected with the base, and at least part of the buffer ring is located on the radial outer side of the vehicle logo avoiding hole. In the axial direction of the vehicle logo avoiding hole, the vehicle logo avoiding hole is suitable for being opposite to and spaced from a vehicle logo lifting hole of the cabin cover, and the buffer ring is suitable for being clamped between the base and the inner side face of the cabin cover so that the sealing function can be achieved, wind noise can be reduced, and the buffer ring has the vibration reduction and buffering functions; the risk that the cabin cover crashes a lifting logo of a vehicle in the closing process can be reduced, meanwhile, the gap between the cabin cover and the lifting logo can be filled with the cover decorating part so that the sight of a customer can be shielded, and the delicate sense of the vehicle can be improved.

The application discloses an outer trim panel assembly and a vehicle. The vehicle comprises a door, a glass channel is arranged in a window frame of the door, and the glass channel is used for mounting a window glass. The outer trim panel assembly comprises an outer trim panel and a seal. The outer trim panel is used for being mounted on a side of the window frame. The seal comprises a base and a first lip connected with each other. A side of the base away from the first lip is connected with the outer trim panel. A side of the first lip away from the base is used for abutting against the window glass to seal a gap between the outer trim panel and the window glass. The technical scheme of the application aims to seal the gap between the outer trim panel and the window glass, so as to reduce wind noise at the gap and improve the NVH performance of the vehicle.

The application relates to the technical field of artificial intelligence, and discloses a BCM module cooperative control method based on voice instruction recognition in a vehicle high-noise environment, which comprises the following steps: collecting original voice instruction data and vehicle state parameter data in the vehicle high-noise environment; performing voice signal preprocessing in the noise environment based on the original voice instruction data to generate denoised voice instruction data; through multi-level noise suppression processing combining adaptive filtering and spectral subtraction, engine noise, wind noise and steady-state background noise are filtered out, and residual noise is eliminated for sudden impact noise, so that the intelligibility of the voice signal is improved. Meanwhile, through a voice activity detection algorithm, and by dynamically adjusting the detection threshold according to the vehicle state parameters, effective voice segments and noise segments can be separated, the accuracy of voice feature extraction in a complex time-varying noise environment is ensured, and the robustness and reliability of the voice instruction recognition are improved.

The invention provides an active noise reduction processing method and an active noise reduction processing system in an intelligent household electrical appliance. The active noise reduction processing method comprises the following steps: acquiring M initial reference channel signals based on each reference microphone; performing fusion processing on the M initial reference channel signals to obtain a single target reference channel signal; and processing the target reference channel signal by using different preset controllers to obtain N target output signals after noise reduction processing, and correspondingly outputting the N target output signals through the N loudspeakers. According to the scheme, on the premise that the core noise reduction performance of the system is guaranteed, the calculation complexity of the system is reduced, the processing efficiency is improved, and it is possible to achieve high-performance active noise reduction on a low-cost embedded platform; according to the invention, irrelevant interference signals such as wind noise can be effectively suppressed, the problem that a single-channel scheme is susceptible to environmental interference is solved, the signal-to-noise ratio is remarkably improved, and the working stability of the system in a complex environment is improved.

The application discloses an automobile spoiler assembly and an automobile, and relates to the technical field of automobile aerodynamic outer decoration. The assembly comprises a lightweight composite outer decoration base body, a self-adaptive deformation wing plate, a flexible connecting support and a noise reduction component. The self-adaptive deformation wing plate is made of a memory alloy composite material and is internally provided with heating wires. The self-adaptive angle adjustment is realized by temperature control without the use of a motor and hydraulic drive. The low-speed flatness reduces wind resistance, and the high-speed bending increases the downforce. Meanwhile, the self-adaptive deformation wing plate can be heated to remove ice and snow. The flexible connecting support limits the deformation range, and the base body is embedded with a microporous sound-absorbing layer to absorb airflow noise. The application integrates the functions of self-adaptive deformation, active noise reduction and heating and ice removal. The structure is simplified, the failure rate is low, the lightweight strength is high, the application is suitable for full-condition driving and multi-model assembly, and the problems of poor working condition adaptation, large wind noise, complex structure and easy icing in winter of the traditional spoiler are effectively solved.

This invention discloses a multimodal respiratory disease-related data acquisition system and method. The data acquisition system includes a disposable oral-nasal breathing interface, an oral-nasal breath sound acquisition module, a bidirectional flow / differential pressure sensing module, a temperature and humidity auxiliary acquisition module, a chest and back multi-channel auscultation module, a channel auscultation front end, a trimodal respiratory data acquisition box, a mobile terminal annotation module, a clinical label association module, and a local storage module. The data acquisition method is as follows: Step 1, prepare the oral-nasal breathing interface and acoustic coupling patch; Step 2, start the trimodal respiratory data acquisition box; Step 3, the patient performs quiet breathing; Step 4, the patient performs a maximal inhalation followed by a forceful exhalation; Step 5, associate the clinical examination results with the acquired data; Step 6, output risk scores, abnormality prompts, or classification prompts. Beneficial effects: Reduces wind noise interference, allows acoustic signals and lung function data to be acquired at the same time reference, and reduces frictional noise and poor contact.

The utility model discloses a stopwatch support. The stopwatch support comprises a support body and a stopwatch mounting part, the stopwatch mounting part comprises a stopwatch mounting part body and a flow guide part, a sound channel passage is formed in the stopwatch mounting part body in a penetrating manner, a first outlet is formed in the stopwatch mounting part body, and the sound channel passage extends to the first outlet; the flow guide part is arranged at the first outlet, a flow guide passage is formed in the flow guide part, a second outlet is formed in the flow guide part, and the flow guide passage extends to the second outlet; sound flows through the sound channel passage, the first outlet and the flow guide passage to the second outlet and then flows out of the stopwatch mounting part. The utility model aims to provide a stopwatch support which can reduce the influence of wind noise on sound, keep the decibel value of the sound and improve the use experience of a user.

The utility model discloses a handheld type high -speed hair dryer's air outlet air duct structure of rear air intake, it includes: air duct body, heat -insulating sleeve ring is located the inside of air duct body and is located between the air inlet end of air duct body and the air outlet end of air duct body, electric heating body is fixed in the inside of heat -insulating sleeve ring, electric heating block seat is fixed in the air outlet end of air duct body and is located the inside of air duct body, the gradual change air duct is set up in the inside of electric heating block seat, and the air outlet end of heat -insulating sleeve ring is installed in the inside of the port of the air inlet end of gradual change air duct, and the inside diameter of the port of one end of gradual change air duct is adapted to the inside diameter of heat -insulating sleeve ring, and the air duct inside diameter of gradual change air duct gradually reduces from the air inlet end of gradual change air duct to the air outlet end of gradual change air duct. The utility model has the beneficial effects that: improve the wind speed of air outlet end, can prevent air leakage, ensure that the wind force is concentrated, reduce the wind noise of air outlet end, and the air nozzle is convenient to install, and the fixed effect is good.

The air duct structure comprises a bottom shell, a middle shell, an air guide base, an air duct pipe and an upper shell which are sequentially connected in the air exhaust direction, the fan is installed on the air guide base, the air guide base is cylindrical, a plurality of air guide grid pieces are evenly arranged on the air guide base in the circumferential direction of the air guide base, and the air guide grid pieces are connected with the air duct pipe. The length direction of the air guide grid pieces is in the air exhaust direction, and the fan is located on one side of the air inlet direction of the air guide grid pieces. The air duct pipe is of a bowl-shaped structure with two open ends, and the hole diameter of the air inlet end of the air duct pipe is larger than that of the air outlet end. According to the utility model, the air guide seat is arranged, and the plurality of air guide grid sheets are uniformly arranged on the air guide seat along the circumferential direction, so that the air-collecting effect is realized, and the air noise during air outlet can be reduced. The air duct pipe of the bowl-shaped structure is arranged, the hole diameter of the air inlet end of the air duct pipe is larger than that of the air outlet end of the air duct pipe, and the air supply distance is effectively increased.

The invention relates to the technical field of man-machine interaction and intelligent wearable equipment, and discloses an emotion recognition and self-adaptive voice interaction method and system in a riding scene, and the method comprises the steps: collecting multi-modal data, such as audio, wind speed, riding mechanics and physiological signals; decoupling the physiological signals by using a personalized physical load model, and constructing a physical load and emotion wake-up vector; fusing physical load, emotion awakening and environmental risk, and constructing a multi-dimensional situation state vector; deciding a service mode based on the context vector, and generating an interaction intention state code; combining the wind speed and the state code to predict wind noise and adaptively filter, and enhancing the voice; generating content according to the service mode and the emotion and adjusting the voice style; and when the user is stable, the personalized physical load model is updated online. According to the method, clear, accurate and safe self-adaptive voice interaction and personalized model calibration during riding are realized by utilizing wind noise dynamic prediction, physiological state decoupling and multi-dimensional situation decision technologies.

The application relates to the technical field of language processing, in particular to a language processing system for speech recognition combining machine learning and deep learning, which comprises an audio acquisition processing unit for acquiring an audio signal; a body timbre learning unit for continuously learning a normal timbre distribution of a user and constructing a mainstream timbre learning model based on a variational autoencoder combining a time sequence dynamic modeling technology, for constructing a main and auxiliary stream dynamic gating mechanism through a generative adversarial network combining a KL divergence detection technology, and for judging whether the current timbre deviates from the normal timbre distribution; a noise learning and storage unit for continuously learning wind noise features and KTV noise features; and a true-color speech recognition unit for screening user speech signals for language processing based on the mainstream timbre learning model and a noise feature library. The language processing system for speech recognition combining machine learning and deep learning locks and extracts the body user speech in a high-noise environment based on the mainstream timbre learning model and the noise feature library.

The invention relates to the technical field of electronic products, and discloses a wind-noise-resistant microphone structure which is arranged on an electronic device and comprises a sound receiving microphone, a noise reduction microphone, an air bag, an airflow fan and a sensing unit. The sound receiving microphone is arranged on one side of the electronic device and used for receiving user voice, the noise reduction microphone is arranged on the other side of the electronic device and used for receiving user voice and environment noise, the air bag is arranged close to the sound receiving microphone and can be inflated, and the air flow fan is used for inflating the air bag; the sensing unit can drive the airflow fan to operate; when the environmental noise is too loud, the sensing unit judges that the environmental noise is too loud and then drives the airflow fan to inflate the air bag, and the expanded air bag prevents noise waves of the environmental noise from being transmitted to the radio microphone; according to the invention, the influence of wind noise on radio quality can be effectively reduced, the noise reduction effect is achieved, and the call quality is improved.