102 results about "Sound intensity" patented technology

The invention provides an acoustic coalescence elimination method for hydrogen bubbles in molten aluminum, and belongs to the technical field of molten aluminum bubble elimination. According to the method, sound field collaborative focusing is achieved by arranging a phase control array transducer set in a molten aluminum smelting furnace, primary gathered sound waves and efficient coalescence sound waves are applied in stages according to bubble size evolution in a double-frequency scanning mode, and the hydrogen bubbles in the molten aluminum are eliminated. A target frequency is dynamically adjusted in combination with a bubble resonance frequency optimization model to match the inherent frequency of a bubble, a sound-bubble coupling dynamic tracking system is used for monitoring bubble evolution triggering stage switching in real time, and a sound field focus point dynamically scans and covers a three-dimensional space area through phase delay control. A delay detection method is adopted to eliminate cavitation bubble interference and accurately measure the hydrogen content, sound intensity and frequency parameters are optimized according to a sound field parameter self-adaptive regulation and control model, and the technical problem that hydrogen bubbles in a molten aluminum deep area are difficult to be effectively driven by sound waves and cannot be fully coalesced and eliminated is solved.

The invention relates to a personalized timbre migration and synthesis method based on a virtual singer, and the method comprises the steps: obtaining a reference singing audio of a target virtual singer, and extracting a timbre identity benchmark feature used for representing the timbre identity stability through timbre coding; obtaining personalized timbre migration demand information for the virtual singer, wherein the demand information comprises a to-be-migrated timbre attribute and a corresponding target change amplitude or change direction; calculating a compatibility score according to the timbre identity reference feature and a migration demand, generating a timbre migration risk indication value, and comparing the risk indication value with a preset threshold value or a preset threshold value interval to determine that the migration is high-risk migration or low-risk migration or conservative-risk migration; according to the method, the tone identity benchmark features in the reference singing audio are extracted, and the tone identity invariant set with stable transpitch and sounding intensity is further constructed, so that the core tone identity of the virtual singer is accurately described.

The invention provides an ultrasonic parameter adaptive adjustment and cleaning evaluation method in a wafer cleaning process, and relates to the technical field of semiconductor manufacturing, and the method comprises the steps: calculating sound field energy distribution through collecting wafer surface temperature distribution and cavity vibration response data; based on the temperature gradient and the sound intensity gradient, calculating the micro-flow field distribution of the cleaning fluid, and establishing a cavitation bubble collapse characteristic matrix; recognizing and cleaning a dead zone through singular value decomposition of the feature matrix, and controlling a piezoelectric transducer to generate focused ultrasonic waves; meanwhile, the plasma resonance sensor is used for monitoring the surface adsorption characteristic change and evaluating the cleanliness. According to the invention, real-time self-adaptive adjustment of ultrasonic cleaning parameters is realized, and the cleaning uniformity and efficiency are improved.

The utility model relates to a phase change thermo-acoustic engine experimental device which comprises a thermo-acoustic conversion system and an acoustic-electric conversion system. The thermo-acoustic conversion system comprises a sound production module and a Helmholtz resonant cavity, a ceramic plate stack soaked with water exists in the sound production module, and the stable temperature difference needed for generating the thermo-acoustic effect at the two ends of the ceramic plate stack is reduced. Sound waves generated by the thermoacoustic effect form standing waves in the Helmholtz resonant cavity, and the sound intensity is amplified; the acoustic-electric conversion system comprises piezoelectric ceramics and a triode common-emitter amplification circuit, the piezoelectric ceramics are arranged at the tail end of the resonant cavity and convert acoustic energy into electric energy, and the electric energy is amplified by the triode common-emitter amplification circuit and then drives a nixie tube to display. The experimental device integrates thermodynamics, fluid mechanics, acoustics, material science and electronic technology, has the characteristics of simple structure, low cost, rich physical process and strong exploration, is suitable for experimental teaching, particularly suitable for new engineering teaching requirements, and is beneficial to improving the multidisciplinary cross practice ability of students.

The utility model provides a high sound intensity reverberation room ventilation noise elimination channel, which is applied to the noise elimination channel technology field, and comprises a resistive noise elimination section and a reactive noise elimination section to form a composite noise elimination channel, the resistive noise elimination section comprises a sheet type silencer and a maze silencer, one end of the sheet type silencer is provided with a static pressure box group, and the other end of the sheet type silencer is provided with a static pressure box group. The other end of the labyrinth silencer is connected with a resistance silencing section, the other end of the resistance silencing section is connected with a static pressure box connecting piece, the other end of the static pressure box connecting piece is connected with a ventilation pipeline through a soft connecting piece, and the other end of the ventilation pipeline is connected with an outlet pipeline. And an anti-bird net is arranged in the outlet pipeline. According to the ventilation noise elimination channel of the high-sound-intensity reverberation chamber, the static pressure boxes are arranged at the inlet and the outlet of the composite noise elimination channel, dynamic pressure in the channel is reduced through the characteristics of the static pressure boxes, and secondary noise pollution of airflow can be reduced.

The invention discloses a deep sea multi-beam sound intensity data reconstruction method and device fusing an attention mechanism. The method comprises the following steps: respectively designing damages of different sizes, including rectangular damages and irregular damages, for multi-beam backscattering intensity images of a shallow sea area and a deep sea area, taking the intensity images of the shallow sea area as a training set and a test set, and taking the images of the deep sea area as a verification set; a UNet structure is used as a trunk, and a residual module and a multi-scale channel space attention mechanism are fused to construct a UNet-MCSA intensity image restoration model; and repairing the damage intensity image by using a nearest neighbor interpolation method to obtain an NNI repaired image, and constructing a UNet-MCSA-NNI model through a histogram registration method by taking the UNet-MCSA repaired image as a basis and the NNI repaired image as a reference to obtain a deep sea multi-beam backscattering intensity repaired image with both high precision and visual fidelity. The depth and depth are combined, advantages are complementary, and a new normal form is provided for deep sea multi-beam backscattering intensity image restoration.

The invention relates to a method and a system for measuring a sound source by measuring sound at a plurality of discrete measurement locations. AUGMENTED REALITY is used in that a camera scans a physical reference mark arranged in space relative to a source; the processing software generates a surface grid forming the measurement surface in the coordinate system and determines a measurement position to be occupied in a real three-dimensional space with reference to the reference mark such that the measurement position lies on the surface grid, the processing software also generates a virtual mark, and the virtual mark is located on the reference mark. And displaying the virtual indicia on a transparent display of a glasses-type presentation device such that the geometric position of the indicia in real space is fixed with reference to a reference mark and is independent of the orientation of the display. Subsequently, during the display of the indicia, sound measurement probes, which are visible through the display, are sequentially manually guided to the location of each virtual indicia, and sound intensity measurements are then performed there, respectively.

The invention provides a power-on direction control method and system, a holder device and a storage medium, and relates to the technical field of holder control, the method comprises the following steps: obtaining a historical usage data set and current environment parameters of a to-be-powered-on device, the current environment parameters at least comprising illumination intensity and sound intensity; based on the historical use data set, training the machine learning model to obtain a user habit model; inputting the current environment parameters into the user habit model to obtain a target startup direction; and controlling the to-be-started equipment to be adjusted to the target starting direction during starting. According to the method and the device, the startup direction of the to-be-started equipment is adaptively adjusted according to user habits, tedious manual intervention is avoided, the use convenience and the adjustment efficiency are improved, and the use experience of a user is effectively improved.

The utility model discloses a heat preservation and sound insulation ALC wallboard, which relates to the technical field of ALC wallboards, and is characterized in that a plurality of connecting components are arranged in a wallboard body in an array manner, each connecting component consists of two sleeves and a connecting piece which are vertically intersected, the connecting piece is detachably connected with the two sleeves, each sleeve comprises an inner pipe, an outer pipe and a plurality of spacers, and the inner pipe is connected with the outer pipe through the spacers. The inner peripheral walls of the spacers are clamped with the outer peripheral wall of the inner pipe, the outer peripheral walls of the spacers are clamped with the inner peripheral wall of the outer pipe, and a plurality of cavities are formed among the adjacent spacers, the inner pipe and the outer pipe. The steel bars are convenient to lay through the connecting assemblies, the air content in the wallboard body is increased through the cavities, air serves as a poor conductor of heat, temperature transfer on the two sides of the wallboard body can be effectively reduced, the heat preservation effect is improved, meanwhile, the air in the cavities can form a damping effect, and the heat preservation effect is improved. And the surface area and path of sound wave reflection are increased, so that the sound intensity is weakened, and a comfortable office or living environment is provided.

The application discloses a typhoon direction estimation method and system based on a single vector hydrophone and a terminal, and relates to the field of typhoon direction estimation.The method comprises the following steps: strictly checking sound pressure and three-directional vibration velocity data collected by the single vector hydrophone to ensure data quality; then, pre-processing the data, including filtering to remove noise interference; then, normalizing the filtered data; then, calculating sound intensity in each direction within a certain azimuth and pitch search range, constructing a sound intensity matrix, and finding the azimuth and pitch corresponding to the maximum sound intensity as the real reference value; dividing the processed data into a training set and a test set according to a certain proportion; constructing a multilayer perception machine model; and through experiments of different learning rates and small batch sizes, optimizing the model, selecting the parameters with the minimum loss to train the best model; finally, using the trained model to predict the test set to obtain the estimated value of the typhoon azimuth and pitch angle.The application effectively improves the accuracy of typhoon direction estimation.

Systems, devices, and methods for determining a user's lung capacity may employ a sound-producing breathing device and a recording device such as a microphone included in a user electronic device (e.g., smart phone or tablet computer). A user may inhale or exhale through the sound-producing breathing device, thereby producing a sound that is received by the microphone and communicated to a processor. The processor may analyze the received sound recording to determine one or more sound intensity values over, for example, the duration of the received sound and / or points in time within the sound recording. The sound intensity values may then be used to determine the user's lung capacity.

The invention discloses a partial discharge positioning detection method and system based on acoustoelectric joint detection and multi-dimensional feature fusion, and belongs to the technical field of intelligent power grid state detection. According to the method, an ultra-high frequency (UHF) signal is used as a discharge absolute time reference, an akaike information criterion (AIC) is adopted to adaptively pick up an ultrasonic weak wave head, and the problem of failure of a traditional threshold value method under a low signal-to-noise ratio is solved; meanwhile, a four-dimensional state vector containing space coordinates and equivalent sound velocity is constructed, a weighted Gaussian-Newton iterative algorithm is used for solving, a temperature field sound velocity correction model and a grid search initial value estimation algorithm are introduced, and the problems of iterative divergence and local optimal solution are solved. In addition, the method integrates algorithm modules of intelligent noise reduction, physical field adaptive correction, sound intensity assisted positioning and the like, and realizes high-precision and high-robustness positioning of the partial discharge source.

The utility model provides a sound acquisition device and AR glasses. The sound acquisition device comprises at least one microphone; the at least one loudspeaker comprises a vibrating diaphragm, a coil and a magnetic piece; when the coil is electrified, the coil moves relative to the magnetic piece to enable the vibrating diaphragm to vibrate, and when the vibrating diaphragm vibrates, the coil moves relative to the magnetic piece to enable the coil to generate an induction electric signal; the control module is connected with the microphone and the loudspeaker, and the control module is used for obtaining a signal output by the microphone, obtaining an induction electric signal generated by the loudspeaker when the sound intensity of the sound intensity signal collected by the microphone corresponding to the environment sound is greater than or equal to a preset sound intensity threshold value, and sending the induction electric signal to the microphone; and converting the induction electric signal generated by the loudspeaker into the first sound data so as to improve the sound data acquisition effect of the sound acquisition device when the sound intensity of the environment sound is too high.

This application discloses an audio circuit and electronic device, relating to the field of electronic technology. The audio circuit includes a processor, a power amplifier, and a sound-emitting device. The processor's first communication terminal is connected to the power amplifier's communication terminal. The power amplifier's output terminal is connected to the sound-emitting device. The power amplifier's detection terminal is connected to the sound-emitting device. The sound-emitting device can be used to emit sound or to sense external ambient sounds. This audio circuit can utilize the sound-emitting device to sense external ambient sounds and obtain the ambient sound intensity, thus enabling applications in various scenarios to achieve functions such as noise detection, traffic accident detection, pedestrian fall detection, shaking detection, sound source localization, and fluctuating magnetic field detection.

The embodiment of the application discloses a differential mechanism abnormal sound detection method and device, the differential mechanism abnormal sound detection method comprises the following steps: judging the sound intensity of the differential mechanism, and obtaining a sound intensity judgment result; determining that the differential mechanism is in a normal state according to the sound intensity judgment result, judging the vibration of the differential mechanism, and obtaining a vibration judgment result. The differential mechanism abnormal sound detection method provided by the embodiment of the application can directly and conveniently judge whether the differential mechanism generates abnormal sound through sound intensity judgment, so as to save the time and cost required for detection; through vibration judgment, whether the differential mechanism generates abnormal sound can be judged by comparing objective vibration data, so that the accuracy of the differential mechanism abnormal sound detection is improved.

This invention discloses an FPGA implementation method for visual image processing of sound source identification, comprising: 1. Normalizing the sound intensity values ​​obtained from sound source identification and converting them into grayscale values; 2. Obtaining corresponding color pixel values ​​by performing three independent mappings on the grayscale values; 3. Upsampling the low-resolution color acoustic cloud map using an interpolation algorithm to improve the image resolution and form a visual acoustic cloud map that represents sound intensity in color. This invention enables the visual image processing of sound source identification to be implemented on an FPGA in the form of digital circuits, thereby improving the real-time performance of the entire sound source identification process, reducing the hardware complexity of the sound source identification platform, and saving time and hardware costs.

The invention provides an oil-immersed transformer fault decision-making method and system based on a three-dimensional voiceprint map, and the method comprises the steps: collecting a voiceprint signal of a transformer body through a high-sampling-rate microphone array which is arranged in a standardized manner; an optimized decoding process based on improved inverse discrete cosine transform is innovatively adopted to construct a three-dimensional voiceprint map matrix containing time, frequency and sound intensity information, and the limitation of traditional single feature analysis is broken through; space-time alignment and fusion are carried out on the voiceprint map, the real-time load rate, the oil temperature and other multi-physical field data, a unified high-dimensional feature vector is constructed, and efficient processing and feature mining are carried out on the high-dimensional data through a light-weight sliding window feature extraction mechanism of depth separable convolution reconstruction. More sensitive and robust online diagnosis of early abnormal states and composite faults is realized, and model complexity and calculation burden are remarkably reduced through deep adaptation of a core algorithm and a hardware architecture.

The invention relates to the technical field of sound insulation testing, in particular to a method and device for testing sound insulation of an automobile part based on wave velocity forming scanning and a vehicle, and the method comprises the steps: collecting noise information based on a sound collection array; selecting a scanning plane at a sound source and constructing a grid so as to restore noise hotspot information of the noise information to the scanning plane through beam forming analysis, and superposing the original geometric figure to obtain a wave velocity forming array; and determining the distribution information of the noise source of the to-be-detected automobile part according to the wave velocity forming array. Therefore, the problems that in the related technology, due to the fact that a sound intensity probe is used for testing points of a test piece every 10 cm, the test period is long, the position and angle deviation of the probe is prone to being caused by hand-held mobile testing, errors are large, the sound insulation index tested through a sound intensity method and the sound insulation index tested through a reverberation sound insulation method have test errors and need to be corrected, and the testing cost is high are solved. And the test efficiency and precision are not enough.

This invention discloses a flow resistance measuring instrument for sound-absorbing materials under high sound intensity conditions, comprising a test specimen cylinder internally divided into an upper cavity and a lower cavity; for mounting the sound-absorbing material to be tested; a high sound intensity generating system including a signal source, a power amplifier, and a compression driver, wherein the compression driver is connected to the upper cavity via a bypass pipe for generating a high-intensity sound field within the upper cavity; a sound field closed-loop control system including a control microphone and a controller installed in the upper cavity, wherein the controller is used to adjust the high sound intensity generating system according to the feedback signal from the control microphone to stabilize the high-intensity sound field at the target sound pressure level; and a differential pressure extraction system connected to the upper and lower cavities. This invention, by integrating a high sound intensity generating system, a sound field closed-loop control system, a high-temperature control system, and a precision signal extraction system, overcomes the limitation of existing technologies that can only measure in a room-temperature, sound-field-free environment.

The utility model discloses a hydrophone for detecting a self-focusing transducer and a sound intensity test system, and relates to the technical field of sound field test hydrophones, the hydrophone comprises an acoustic wave guide rod, a hydrophone body and an acoustic board, a mounting cavity in the middle of the hydrophone body enables the acoustic wave guide rod to be suspended through a fixing assembly, and the acoustic board is arranged in the mounting cavity. The sound absorption plate is arranged on the upper end face of the hydrophone body, a through hole of the sound absorption plate is aligned with the receiving end of the guide rod, focused sound waves can pass through the sound absorption plate, reflected waves and stray sound waves can be absorbed, the signal purity is improved, and meanwhile the sound intensity testing system comprises the hydrophone, a water tank, an installation base and a tester. According to the invention, the position of the focal core can be dynamically positioned, the focal region range is accurately defined, and the detection precision is greatly improved by optimizing the medium, enhancing the structural vibration resistance and reducing the signal noise.

The utility model discloses a mute type composite aluminum plate, relates to the composite aluminum plate technology field, the mute type composite aluminum plate comprises a plurality of base plates and a plurality of mute structures, the plurality of mute structures are respectively arranged between two adjacent base plates, the mute structure comprises a sound insulation layer, a reinforcing layer and a mute assembly which are sequentially arranged from the middle base plate to the other base plate, the sound insulation layer comprises a sound insulation felt arranged on the side face of the middle base plate, and the reinforcing layer comprises rock wool arranged on the side, away from the middle base plate, of the sound insulation layer. The mute assembly comprises a sound absorption layer and a weakening layer which are sequentially arranged from the sound insulation assembly to the direction away from the middle base plate, a containing cavity is formed in the sound absorption layer, and the weakening layer is arranged on the side, away from the middle base plate, of the sound absorption layer. The sound intensity is weakened through the mute assembly, the sound intensity is further weakened in cooperation with the upper reinforcing layer, and finally part of sound waves are reflected through the sound insulation layer.

This invention discloses a device for screening dysphagia after stroke based on voice acoustic parameters, comprising a noise detection device, an input device, a processing device, and an output device. The noise detection device is used to collect measured values ​​of the patient's longest vocalization time (MPT), highest sound intensity (I_high), highest fundamental frequency (F0_high), lowest sound intensity (I_low), and fundamental frequency perturbation (Jitter). The input device is used to collect the patient's brainstem lesion assignment. The processing device is connected to both the noise detection device and the input device. The measured values ​​of the longest vocalization time, highest fundamental frequency, lowest sound intensity, and fundamental frequency perturbation are used as variables to calculate the measured value of the Voice Disorder Index (DSI). The measured values ​​of the brainstem lesion assignment, longest vocalization time, highest sound intensity, and DSI are used as variables to calculate the total score of the prediction model. The risk probability value of dysphagia in stroke patients is obtained based on the total score of the prediction model.

The application relates to the technical field of ultrasonic waves, in particular to an ultrasonic sound intensity meter calibration device and method based on an ellipsoid focusing principle. The device comprises a signal generator, a power amplifier, a spherical transmitting transducer, a standard hydrophone, an oscilloscope, an ellipsoid cavity and a liquid medium. The principle of the calibration method is as follows: the ultrasonic waves emitted by the spherical transmitting transducer as a sound source form a stable converging sound field near the focal point of the upper end of the ellipsoid cavity, the sound pressure of the upper end focal point position is measured by using the standard hydrophone, the sound intensity is converted to obtain the reference value of the sound intensity at the position, the USIM probe to be calibrated is placed at the position, the sound intensity indication value of the USIM is recorded under the same excitation condition, and the calibration of the USIM is realized by comparing the reference value of the sound intensity with the sound intensity indication value of the USIM. The application improves the accuracy, stability and repeatability of ultrasonic sound intensity measurement, and has extremely important significance for promoting the application and development of ultrasonic sound intensity technology in various fields.

The utility model relates to the technical field of building construction, in particular to a green building noise reduction device with a dustproof function. The wall comprises a wall frame body, sound insulation cotton is arranged in the wall body of the wall frame body, a plurality of planting vertical cylinders are arranged on the wall frame body, the planting vertical cylinders are filled with planting soil, supporting pieces are symmetrically arranged on the two sides of the top of the wall frame body, atomization spray pipes are arranged on the two supporting pieces at the same time, and the atomization spray pipes are arranged on the wall frame body. Adjusting supporting legs are symmetrically arranged on the two sides of the bottom of the wall frame body. The planting vertical cylinders are arranged on the wall frame body, the plants are planted in the planting supporting openings in the front side wall body and the rear side wall body of the planting vertical cylinders, branches and leaves of the plants are special in shape and structure, when sound is transmitted to the branches and leaves of the plants, the branches and leaves can absorb, reflect and scatter the sound, and energy of the sound is continuously consumed in the processes. The sound intensity is further reduced, plant noise reduction is environmentally friendly, and the noise reduction effect can be more remarkable and lasting along with growth of plants.

The utility model discloses a sound absorption and noise reduction porous sintered brick which comprises a brick body, a first groove is formed in the top face of the brick body, a plurality of through holes distributed at equal intervals penetrate through the first groove, a plurality of sound insulation sleeves are vertically arranged on the bottom face of the brick body, a first sealing block is arranged on the bottom face of the brick body, and the sound insulation sleeves penetrate through and are fixed to the first sealing block. The first groove arranged on the top surface of the brick body and the first sealing block arranged on the bottom surface of the brick body form a relatively closed cavity when being piled up and down, and when mortar is filled into the cavity, the lateral flow of the mortar is blocked by the groove wall and the block body, so that the waste phenomenon caused by the mortar overflowing from the periphery of a brick joint is greatly reduced, and the service life of the brick is prolonged. Therefore, materials are saved, the construction cost is reduced, a construction site is cleaner, the cleaning workload is reduced, sound waves can be reflected, refracted and interfered for multiple times in the cavities when encountering the through holes and the sound insulation sleeves in the brick body in the transmission process, and therefore the sound intensity is effectively weakened.

The invention discloses a sound generation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a tinnitus type of a target object, and determining a test sound adaptive to the target object based on the tinnitus type; obtaining a test result obtained by detecting the target object based on the test sound, wherein the test result comprises tinnitus frequency and tinnitus sound intensity; the target rhythm stimulation sound adaptive to the target object is generated based on the tinnitus frequency and the tinnitus sound intensity in the test result, personalized generation of sound in the tinnitus scene is achieved, the target rhythm stimulation sound is made to better conform to the tinnitus type of the target object, the adaptation degree between the target rhythm stimulation sound and the target object is improved, and the user experience is improved. The use willingness of the target object is enhanced, the use compliance of the target object is improved, the auditory experience of the target object is improved, and the fatigue feeling of the target object is reduced.

The invention provides a mosquito killing equipment control method and related equipment thereof. The mosquito killing equipment control method comprises the steps of obtaining acousto-optic data of an environment where current target equipment is located; determining a target operation state of the target equipment based on the acousto-optic data; and based on the target operation state, target equipment is initialized, and the target equipment is controlled to execute a corresponding mosquito trapping function according to the corresponding mosquito trapping strategy. Environment illumination intensity data and environment sound intensity data are collected, sound signals are classified and processed, human voice audio and mosquito audio characteristics are identified, so that environment state characteristic data are constructed, the operation environment type is determined according to the characteristic data, and parameter configuration corresponding to the operation state is dynamically loaded. PWM control signals are adopted to drive the fan, the pheromone releasing module and the ultraviolet light module to operate cooperatively, multi-mode cooperative trapping is achieved, working modes can be automatically switched according to day and night illumination and surrounding sound field changes, intelligent starting and stopping, energy consumption optimization and multi-scene self-adaptive control are achieved, the mosquito killing efficiency is improved, and the service life of equipment is prolonged.

The invention belongs to the technical field of computer graphics and human-computer interaction, and particularly discloses a multi-modal expression generation system and a dynamic optimization method in a virtual-real fusion scene, and the method comprises the steps: analyzing an audio rhythm to generate a phase reference signal, driving visual collection and calculation, and achieving the sound and picture synchronization of a microscopic time domain; calculating a dense optical flow field, and decoupling a facial muscle movement change vector through a vector dot product by using a muscle movement direction template; and mapping the audio acoustic feature into an audio driving energy value representing the sound production intensity. An energy conservation attenuation or compensation enhancement correction is performed on the expression vector by comparing the total amount of visual displacement with the audio drive energy to generate a corrected expression vector. And finally, superposing the corrected expression change vector to the state parameter of the previous frame, and generating a control instruction to drive the virtual avatar to render in real time. According to the method, the problems of sound and picture time sequence dislocation and physical constraint missing are solved, and the sense of reality and expressive force of virtual expressions are improved.

The application discloses a sound perception-based electronic pet behavior triggering method, and relates to the technical field of intelligent interaction.The method comprises the following steps: collecting environmental sound signals through a microphone array and constructing a sound feature vector, determining sound intensity levels, sound source directions, and user voice classes, environmental event sound classes, and third-party biological sound classes; analyzing different sound classes to obtain user instruction intentions, user emotion labels, and sound event types; dynamically updating in combination with current emotion parameters and energy parameters of the electronic pet; generating priority behavior instructions based on the above information and sending the priority behavior instructions to an action execution module; and monitoring the short-term energy of the electronic pet in real time during the execution process and performing self-noise control.The technical problems of single sound processing, rigid state updating, serious self-noise interference, and lack of continuity of behavior response in the life state of the existing electronic pet are solved.

The invention discloses a visual image processing method and system for electromechanical construction, and particularly relates to the technical field of electromechanical construction. According to the method, the visible light image, the infrared thermal imaging image and the acoustic image of the electromechanical construction area are synchronously collected, key parameters such as the contour fracture ratio, the hot spot area proportion and the sound intensity fluctuation ratio are extracted, then weighting is carried out to obtain a form coefficient, a thermal coefficient and a sound coefficient, and the form coefficient, the thermal coefficient and the sound coefficient are fused into a base domain shape index; the comprehensive quantitative analysis of the form continuity, the temperature distribution stability and the sound signal normality of the equipment pipeline in the region is realized, and the blank that the whole state of the region cannot be systematically evaluated in the prior art is filled.