299 results about "Sound image" patented technology

The invention discloses a power transmission line connection fitting fault detection method based on acoustics and electromagnetic induction, and belongs to the technical field of intelligent inspection and nondestructive detection of power transmission lines. A multi-mode sensor is carried by an unmanned aerial vehicle, ultrasonic wave, vibration, images and power frequency electromagnetic field data are synchronously collected, and a multi-dimensional original data set is constructed. Signal quality is improved by adopting wavelet noise reduction, beam forming and sound image fusion technologies, and flight vibration and electromagnetic interference are effectively suppressed by combining an adaptive filtering algorithm and a physical shielding structure. And acoustic, image and electromagnetic characteristics are extracted and normalized and fused, a dynamic threshold reference library is established, and intelligent grading discrimination of abnormity, defects and faults is realized through multi-stage early warning logic. A detection result automatically generates a report and is mapped to a three-dimensional line model, and operation and maintenance system linkage is supported. According to the method, synchronous identification of surface and internal defects is realized, the anti-interference capability is high, the detection accuracy is high, the inspection efficiency and safety are remarkably improved, and the method is suitable for intelligent operation and maintenance of the high-voltage transmission line.

The invention discloses a method, device and system based on acoustic-thermal multi-mode fusion imaging, and relates to the technical field of artificial intelligence, and the method comprises the steps: firstly, collecting ultrasonic and thermal imaging data of target industrial equipment through an acoustic imager, and obtaining acoustic and thermal imaging features respectively; performing feature integration processing to obtain a first acoustic-thermal joint feature so as to determine a first modal integration unit corresponding to the acoustic feature, completing cross-modal fusion to obtain a first feature descriptor, similarly obtaining a second acoustic-thermal joint feature, a second modal integration unit and a second feature descriptor, and determining a fault evaluation result in combination with a fault type label. And then calibrating image data to construct a three-dimensional acoustic-thermal fusion substrate image and marking a result to obtain a diagnosis fusion image so as to realize accurate diagnosis of the target industrial equipment.

The invention relates to a simulation digital human real-time intelligent voice interaction system and a simulation digital human real-time intelligent voice interaction method based on vision and a large model, and aims to solve the problems of inaccurate target speaker recognition, high response delay and the like in digital human voice interaction in a complex scene. The system circles an effective recognition range through a camera, triggers audio collection in combination with face detection, locks a target speaker and reduces noise by using lip movement recognition and sound image fusion technologies, converts the target speaker into a text through voice wake-up, generates an answer by means of a large language model (LLM) and knowledge retrieval enhancement (RAG) technologies, generates low-delay voice through a voice synthesis technology accelerated by the vLLM, and performs voice recognition on the target speaker. And driving the preloaded digital human image to synthesize a video stream and pushing the video stream to a front end for rendering in real time. Accurate pickup, low-delay interaction and rapid digital human image switching in a complex environment are realized, the accuracy and real-time performance of intelligent voice question answering are improved, and the method is suitable for government affair halls, exhibition halls and other scenes.

The invention discloses an acoustic imaging positioning method for intelligent monitoring of electric power engineering regional faults, which relates to the technical field of fault monitoring, and comprises the following steps: arranging a microphone array to collect sound wave signals, and monitoring and recording sound data in real time; determining the spatial position of a sound source by using an ultrasonic sound source positioning technology; sound source distribution generated by the equipment fault is displayed; displaying the relationship between the three-dimensional position of the equipment fault point and the surrounding environment; fault sound sources are classified, and types and reasons are determined; a diagnosis result is fed back in real time, a fault position is displayed, and inspection and repair suggestions are provided; and detecting the health condition of the equipment in combination with a machine learning model, predicting potential faults and giving out early warning. According to the invention, a high-precision microphone array and an ultrasonic sound source positioning technology are utilized, the distribution state of a sound source in a space is displayed in real time through an imaging mode of superposing an acoustic image and a visible light image, a partial discharge point, a gas leakage point and an equipment abnormal sound site are rapidly determined, and the inspection efficiency and the maintenance speed are improved.

The invention provides a sound classification target model construction method and system, and relates to the technical field of sound signal processing, and the method comprises the steps: obtaining original sound data and auxiliary modal data, carrying out the sound data conversion processing of the original sound data, and obtaining corresponding multi-resolution sound image data; processing the auxiliary modal data to obtain a corresponding auxiliary modal space-time matrix; performing local feature processing on the multi-resolution sound image data and the auxiliary modal space-time matrix to obtain local sound image features and auxiliary modal features; constructing a hierarchical feature sequence space according to the local sound image features and the auxiliary modal features, and obtaining a corresponding fusion feature sequence; and constructing a sound classification target model according to the fusion feature sequence, and generating a dynamic sound index according to the sound classification target model, thereby obtaining a sound classification result, and improving the accuracy of sound classification.

The invention discloses a spatial sound effect test method and system for a sound system. The method comprises the following steps: S1, synchronously acquiring multi-modal sensing data of a test environment in a preset stage; s2, generating a three-dimensional sound pressure distribution thermodynamic diagram, and constructing an initial sound field model based on the three-dimensional sound pressure distribution thermodynamic diagram; s3, generating a corrected sound field model, and synchronously recording vibration data acquired by the triaxial accelerometer; s4, generating a sound image positioning trajectory diagram, and calculating a deviation angle between an actual sound image position and a theoretical position; and S5, determining the sound effect quality score of each test stage. According to the method, a closed-loop test framework of physical environment perception, sound field real-time modeling, man-machine interaction analysis and fault linkage traceability is constructed, a full-process test solution covering a hardware state, acoustic characteristics and human factor perception is provided for an immersive audio system, and the spatial sound effect reliability of digital playing equipment is remarkably improved.

Disclosed is an audio codec that represents an immersive signal by a two-channel stereo signal that is a stereo rendering of the immersive signal and directional parameters. The directional parameters may be based on a perceptual model describing the direction of virtual speaker pairs to recreate the perceived location of dominant sounds. Audio processing at the decoder may be performed on the stereo signal in the frequency domain for multiple channel pairs using time-frequency tiles. Spatial localization of the audio signals may use a panning approach by applying weightings to the time-frequency tiles of the stereo signal for each output channel pair. The weightings for the time-frequency tiles may be derived based on the directional parameters, an analysis of the stereo signal, and the output channel layout. The weightings may be used to adaptively process the time-frequency tiles using a de-correlator to reduce or minimize spectral distortions from spatial rendering.

The invention discloses an intelligent sound equipment control method and system based on sound field adaptive adjustment, and relates to the technical field of sound equipment control, and the method comprises the steps: carrying out the time-frequency analysis and matching of a real-time audio stream after the interception of the real-time audio stream, and obtaining a real-time sound field template; positioning the real-time spatial pose coordinates of the user according to the binocular vision sensing data; carrying out sound wave propagation attenuation analysis in a listening area by taking the real-time spatial pose as a reference, and outputting a four-dimensional sound image spatial vector; performing space sound field mapping operation on the real-time sound field template by adopting the four-dimensional sound image space vector to obtain a real-time scene sound field; according to a space pose sequence obtained through camera skeleton time sequence tracking, sound field parameter pre-calculation based on trajectory prediction is executed, and low-delay updating of a real-time scene sound field is carried out according to a calculation result. The technical problem that the sound field cannot be adjusted in real time according to the user position and the environment change in the prior art is solved, and the technical effect of accurately and dynamically adjusting the sound field is achieved.

A pseudo-engine sound is generated based on the operating data of battery electric vehicle manual driving elements. The pseudo-engine sound is outputted from a plurality of speakers provided in a room of battery electric vehicle. The plurality of speakers includes a first speaker provided at a front portion of battery electric vehicle and a second speaker provided at a location other than the front portion. When the pseudo engine sound is output from a plurality of speakers, the sound pressures of the pseudo engine sounds output from the first and second speakers are adjusted based on the sound image setting data in battery electric vehicle.

The present disclosure relates to the technical field of audio control. Provided are a computer-implemented method for audio control, and an electronic device and a storage medium. The computer-implemented method for audio control comprises: on the basis of a specified measurement signal, performing acoustic effect testing on a target space, in order to obtain environmental response information, wherein the environmental response information comprises impulse response information and post-separation impulse response information; analyzing the environmental response information, in order to obtain acoustic characteristic information of the target space; on the basis of the acoustic characteristic information, performing compensation processing on audio to be processed, in order to obtain regulated audio; regulating gains of multiple channels corresponding to the regulated audio, in order to obtain re-regulated audio; and performing multi-channel collaborative optimization processing on the re-regulated audio, in order to obtain audio having a target effect. The method achieves precise compensation for spatial acoustic defects, resolves inter-channel crosstalk, improves the acoustic image localization and spatial perception, significantly improves the perceptual audio quality, and optimizes an output.

The utility model discloses an acoustic imaging device, and belongs to the field of acoustic imaging. The device comprises a microphone array, a data acquisition processing circuit and a connector. The microphone array is connected with the data acquisition and processing circuit, the data acquisition and processing circuit is connected with the connector, and the connector is connected with a mobile intelligent terminal directly or through a data line; the mobile intelligent terminal comprises but is not limited to an intelligent mobile phone and a tablet personal computer. In some embodiments, the connector and the mobile intelligent terminal are combined into a rigid whole, and in some embodiments, a clamp is further included and used for being combined into a rigid whole with the mobile intelligent terminal. Compared with an existing sound imager, the sound imager can display a detection result through the mobile intelligent terminal, can be conveniently combined with the mobile intelligent terminal to form a rigid whole, and is more portable, easier to use and lower in cost.

The embodiment of the invention provides a control method for sound partitions in a space, electronic equipment, a vehicle and a medium, and the method comprises the steps: determining a first sound source pulse response of a target sound field, the first sound source pulse response being a pulse response of a preset sound source in front of the target sound field; and based on an electro-acoustic transfer function of a bright area, the first sound source pulse response, an electro-acoustic transfer function of a dark area and an optimization function, determining a driving signal of each loudspeaker, namely, restraining the first sound source pulse response as a pulse response of a preset sound source in front of the target sound field, and finally, determining a more accurate loudspeaker driving signal through an optimization function. Therefore, it is clear that the sound image position of the replay sound field is right ahead of the listener, and the listening comfort is improved.

The invention discloses a panoramic sound effect control method, device and equipment. According to the method, a sound effect movement track used for indicating sound change characteristics can be constructed; on the basis of the sound effect motion trail, carrying out smoothing processing on the motion speed and angle parameters of a target sound source; determining all playing sound channels, and generating an acoustic image optimization parameter corresponding to each playing sound channel; and optimizing the smoothed target sound source based on the sound image optimization parameter of each playing sound channel, and rendering the optimized corresponding target sound source in each playing sound channel. Visibly, according to the method and the device, the problems of sound image breakage and speed mismatch distortion in the motion simulation process can be avoided by accurately grasping the sound change characteristics, optimizing the sound motion parameters and individually regulating and controlling each playing sound channel, the natural fluency of the playing effect of the target sound source is comprehensively improved, and the user experience is improved. And the playing quality of the target sound source and the auditory experience of audiences are comprehensively improved.

A method comprises: obtaining softmask values for frequency bins of time-frequency tiles representing an audio signal; reducing, or expanding and limiting, the softmask values; and applying the reduced, or expanded and limited, softmask values to the frequency bins to create a time-frequency representation of an estimated target source. An alternative method comprises, for each time-frequency tile: obtaining softmask values; applying the softmask values to the frequency bins to create a time-frequency domain representation of an estimated target source; obtaining a panning parameter and a source concentration estimates for the target source; determining, using the panning parameter estimate and the softmask values, a magnitude for the time-frequency representation of the estimated target source; determining, using the panning parameter estimate and the source phase concentration estimate, a phase for the time-frequency representation of the estimated target source; and combining the magnitude and the phase.

The invention provides a new energy automobile cabin abnormal noise detection method and device based on sound image fusion, and belongs to the technical field of noise detection. The method comprises the following steps: synchronously acquiring multi-channel audio data and video data through a multi-channel microphone array and a camera respectively; determining an abnormal noise type and extracting an abnormal noise signal; an abnormal noise positioning position is obtained through an improved space contraction fast method based on random search, namely an improved SRC method; calibrating the extracted abnormal noise positioning position and an image in the video data, and displaying a noise source in the image in the form of a sound field thermodynamic diagram to obtain a sound field diagram after sound-image fusion; according to the method, more efficient and more visual noise anomaly detection of the new energy automobile cabin can be realized, the accuracy of noise source positioning can be remarkably improved, the efficiency of abnormal noise detection of the new energy automobile cabin can be greatly improved, and the method can be widely applied to noise monitoring and fault diagnosis of the new energy automobile cabin.

An audio output system comprising: an audio output device configured to output sound content for auditory stimulation of infants and young children; a user device configured to control the audio output device; and a server connected to the user device and the audio output device through communication networks, respectively, and configured to provide a service environment for controlling the audio output device to the user device, wherein the audio output device includes an audio output station including a sound figure corresponding to the sound content and a docking space to which the sound figure is docked, and configured to recognize the sound figure docked to the docking space and to output the sound content corresponding to the recognized sound figure, wherein the service environment includes a function of changing the sound content corresponding to the sound figure, and wherein the server is configured to receive a request to change the sound content corresponding to the sound figure from the user device and to process the request to change the sound content corresponding to the sound figure in consideration of a state of the audio output device.

The invention discloses a sound console digital audio signal processing method and system, a product and a medium, and relates to the field of voice or sound processing, and the method comprises the steps: obtaining a plurality of paths of audio input signals, carrying out the time-frequency domain conversion, analyzing the frequency distribution rule, extracting the fundamental frequency and overtone structure features, and building a tone feature fingerprint database. Then obtaining a preset standard audio signal, extracting a multi-dimensional feature vector, and matching the multi-dimensional feature vector with the fingerprint database to obtain a feature parameter group; on the basis, a coordination index system including the overall sound coordination degree, the sound level definition and the spatial sound image balance degree is constructed. A coordination index of an input signal is calculated in real time and compared with a standard signal, and an adjustment value is obtained. And finally, in combination with fingerprint database matching features, calculating a target audio processing parameter combination containing balanced, dynamic and spatial parameters. By implementing the method, the sound quality of multiple paths of audio signals can be improved.

The invention discloses a partial discharge detection method based on phase and frequency synchronization, and the method comprises the following steps: obtaining an acoustic signal in the operation of electrical equipment and an externally applied voltage waveform of the electrical equipment, generating an acoustic image spectrum, and adjusting the frequency of the externally applied voltage waveform to enable the frequency to be consistent with the reference frequency in the acoustic image spectrum; the externally applied voltage waveforms are matched and fused with the sound image atlas to obtain an integrated signal atlas; intercepting a complete cycle wave from a signal spectrum corresponding to each discharge source in the optimized integrated signal spectrum, and analyzing complete cycle data to obtain a PRPD spectrum; and comparing data information contained in the PRPD atlas with different types of insulation defects in a database, and determining which type of insulation defect the partial discharge belongs to and recording. According to the partial discharge detection method based on phase and frequency synchronization, the acoustic imaging and phase synchronization technology is combined, accurate partial discharge detection is achieved, the acoustic signals and the electrical signals can be synchronized, and the detection precision and reliability are greatly improved.

The invention discloses a vehicle-mounted audio augmented reality system and method based on virtual-real fusion space anchoring, and relates to the technical field of intelligent cabin man-machine interaction, and the system comprises a controller, an augmented reality display device, a distributed loudspeaker array, and a sensor group. The controller receives the virtual image pixel coordinates, the eyeball position coordinates and the vehicle state semantic identifier, and stores a cabin three-dimensional digital model. The system converts a dynamic pixel coordinate into a three-dimensional virtual sound source coordinate by utilizing perspective inverse projection through vision-space mapping logic; the retrieval model anchors the semantic identifier to the physical component coordinates through the semantic-space mapping logic. The audio rendering module calculates a speaker drive gain based on the virtual sound source coordinates to synthesize a virtual sound source. By constructing a unified cabin three-dimensional digital model and a double-channel mapping mechanism, spatial alignment of an audio sound image, an AR visual track and a physical part of a vehicle body is realized, and audio-visual perception splitting is eliminated.

The invention discloses a self-adaptive control method for a sound field of an in-vehicle sound box based on a head position, and the main design concept of the self-adaptive control method lies in that the dynamic optimization of the sound field in the vehicle is carried out by tracking the obvious change of the head position caused by the change of the sitting posture of a driver and passengers in real time, so as to adjust the output effect of a loudspeaker in the vehicle in a self-adaptive manner. Specifically, on the basis of real-time detection of the head position of a person in a vehicle, a control strategy is calculated according to a dynamic sound field: time delay is compensated to solve the time difference problem of sound wave propagation, and the dynamic accuracy of sound image positioning is ensured; through a gain compensation mode, sound pressure level differences of loudspeakers in a vehicle with dynamic different distances relative to the head of a user are balanced, and frequency response flatness is maintained; and through phase correction, phase interference generated by spatial position difference caused by head position change is eliminated, and sound field coherence is optimized. According to the invention, the follow-up adaptation effect of the person in the vehicle and the sound field in the vehicle is realized, and the acoustic quality in the vehicle is obviously improved.

A control method is provided. The method includes: detecting that a first target is within an alarm range of a carrier (100), where the carrier (100) includes a plurality of sound-making apparatuses (130); and controlling at least two sound-making apparatuses in the plurality of sound-making apparatuses (130) to make alert tones. A sound image shift direction of the alert tone corresponds to a first motion trend, and the first motion trend includes a relative motion trend of the carrier and the first target. The control method may be applied to an intelligent vehicle or an electric vehicle, to help improve driving safety of a user, and help improve an intelligence degree of a carrier. A control apparatus, a control system, a carrier, a computer-readable storage medium, and a chip are further related.

The present application provides output control device, output control system, and control method. The image and the sound with the sense of presence are provided to the passenger of the moving body. The output control device (1A, 1B, and 1C) has: position direction determination part (11), which determines the real position and the real orientation; reading part (12), which reads virtual space data (31); virtual position decision part (131), which decides the virtual position and the virtual orientation according to the real position and the real orientation; display control part (14), which makes the display device (4) display the image of the partial area or the partial object of the virtual space based on the virtual position and the virtual orientation and the setting position of the display device (4); sound output control part (15), which controls the position of the sound image formed by the output sound from the loudspeaker (5) based on the virtual orientation and the relative position relationship between the virtual position and the sound source body.

To clearly reproduce sound image localization in a virtual space.SOLUTION: In a sound signal processing method, a virtual sound source indicating a reflected sound of a target acoustic space is classified into a first virtual sound source that is located between a position of a speaker and a position of a sound receiving point, and indicating a first sound source of the reflected sound of the target acoustic space and a second virtual sound source that is located outside the speaker and indicates a second sound source of the reflected sound in the target acoustic space, and only in the case of the first virtual sound source, a position of the first virtual sound source is moved to a position in which the reproduction can be performed using the position of the speaker near the first virtual sound source.SELECTED DRAWING: Figure 18

A new high-fidelity speaker includes a cabinet outer wall, a front partition and a side partition, the front partition and the side partition are arranged in the cabinet outer wall, the side edge of the front partition abuts against the side partition, the remaining edges of the front partition abut against the inner surface of the cabinet outer wall, the internal space surrounded by the cabinet outer wall is divided into a mid-high sound cavity, a bass cavity and a sound guide cavity, one side of the side partition is the sound guide cavity, and the opposite side is the mid-high sound cavity and the bass cavity, a high-pitched speaker port and at least one medium-pitched speaker are opened on the cabinet outer wall part corresponding to the mid-high sound cavity to install the speakers; a bass sound guide port is opened on the cabinet outer wall part corresponding to the sound guide cavity, the bass sound guide port is adjacent to the aforementioned at least two openings distributed on both sides of the side partition; the part of the side partition corresponding to the bass cavity is opened with a bass port to install a bass speaker towards the sound guide cavity, and the bass cavity forms a closed cavity. The speaker has good bass diving, sound image positioning, resolution and small space size.

An information processing apparatus includes an acquisition section configured to acquire a situation of a subject vehicle and a situation of another vehicle, a setting section configured to set, on the basis of the situation of the subject vehicle and the situation of the other vehicle, a position in the subject vehicle at which a sound image of an occupant riding in the other vehicle is localized, and a sound image localization processing section configured to localize the sound image of the occupant at the position set by the setting section. The acquisition section acquires at least a position of a seat in which the occupant is seated, and the setting section sets an empty seat in the subject vehicle as the position where the sound image of the occupant in the other vehicle is localized. The present technology is applicable to an information processing apparatus for controlling telepresence.

The application discloses a ship-boat coupling type inspection robot for offshore wind turbine generator units, which comprises a drone and an unmanned ship, and a ship body monitoring module for assisting the drone in monitoring tasks is arranged on the unmanned ship; the body of the drone is in a cylindrical frame structure, can conveniently pass through inside a wind turbine tower drum, and the body is provided with a drone monitoring module; the drone monitoring module comprises an image acquisition device, a sound and image acquisition device and a vibration acquisition device, and can effectively acquire various data inside the tower drum of the wind turbine generator unit. The ship-boat coupling type inspection robot can realize all-around state monitoring and fault diagnosis of offshore wind turbine generator units by adopting the combined operation mode of the unmanned ship and the drone, can timely master the operation state of the wind turbine generator unit, early discover potential fault signs, reduce the fault rate, ensure safe and efficient power generation operation of the wind turbine generator unit, simultaneously changes the previous manual inspection mode, greatly saves the operation and maintenance cost, and ensures personnel safety.

The invention relates to the technical field of audio processing, and provides an audio signal processing method, electronic equipment and a computer readable storage medium. According to the method, in the process that the electronic equipment plays stereo audio through two loudspeakers with different acoustic characteristics and / or asymmetrical layout, sound channel signals of the two loudspeakers can be calibrated according to the frequency response difference of the two loudspeakers, so that the difference of the sound channel signals of the two loudspeakers is reduced, and the sound channel signals of the two loudspeakers can be corrected. And the sound images of the sound emitted by the two loudspeakers are prevented from shifting. And then, according to the position relationship between the two loudspeakers and the head of the user, the two calibrated sound channel signals are calibrated again, so that crosstalk generated between the two sound channel signals is eliminated, and the hearing feeling of the user is improved.

The audio and video reproduction method, device, integrated chip, and storage medium provided by embodiments of the present invention include receiving an audio signal, performing frame processing on the audio signal according to a preset frame length to obtain multiple audio frame signals, performing spectral processing on each audio frame signal to obtain spectral information, and then determining a sound and image perception width range, randomly generating an azimuth angle for each audio sampling point in the audio frame signal within the sound and image perception width range, determining an impulse response for each audio sampling point based on the azimuth angle of each audio sampling point in the audio frame signal, and determining an output audio signal of a sound-generating device based on each audio sampling point and the impulse response corresponding to each audio sampling point. The present invention can quantitatively determine the sound and image perception width range, and by feeding each audio sampling point to any azimuth angle within the sound and image perception width range, simulate a sufficiently fast-jumping virtual sound source, thereby allowing the user to perceive an expanded sound and image width and achieve a better sound and image reproduction effect.

The invention provides a navigation prompting method and device and electronic equipment, and relates to the technical field of navigation. The method comprises the following steps: determining a steering point according to a navigation path; when the vehicle enters the preset range of the steering point according to the navigation path, the initial position of a navigation sound image is determined according to the relative position of the steering point and a driver, and the navigation sound image is controlled to move from the initial position to the direction corresponding to the steering point, the navigation sound image is used for representing the position of the single loudspeaker for broadcasting the navigation prompt or the sensing orientation after the plurality of loudspeakers for broadcasting the navigation prompt are superposed. According to the invention, fixed broadcasting of navigation prompt is changed into spatialized dynamic broadcasting, the problem that a driver needs to change sight to confirm a route due to lack of direction level of traditional navigation prompt tone is solved, the driver can sense the steering direction through the sound direction while keeping the sight ahead, and the driving safety is improved. Therefore, the intuition and safety of navigation information transmission are improved.

The invention, which relates to the technical field of intelligent monitoring of the power equipment, discloses a system and method for identifying the sound source abnormity of the power equipment by using an acoustic image atlas, the system comprises a three-dimensional stereo array, an image acquisition module, a data processing module and a fault positioning module, the three-dimensional stereo array is composed of a plurality of microphone nodes and is arranged around the power equipment; the image acquisition module performs multi-view image acquisition; the data processing module detects the sound source abnormity of the power equipment; the fault positioning module outputs an abnormal probability to generate a fault part; the method comprises the following steps: generating an acoustic image through a beam forming algorithm, converting the acoustic image into a Mel-frequency spectrogram, and extracting time-frequency characteristics; multi-modal fusion: extracting image features, and aligning the features by using a gating mechanism; abnormal positioning: fusing the features and inputting the lightweight model, generating a fault part coordinate, and synchronously triggering a diagnosis report; through the modules and the identification method, the problem of low efficiency of monitoring and identifying the abnormal sound source image of the power equipment in a limited space is solved.