26 results about "EAR NOISES" patented technology

The invention relates to the technical field of crossing of medical instruments and artificial intelligence, and provides a hearing threshold detection method based on multi-mode hearing electrophysiological signal fusion. Comprising stimulation frequency otoacoustic emission and auditory brainstem response induced by sweep frequency stimulation sound, distortion product otoacoustic emission induced by dual-tone stimulation and middle ear sound immittance / reflection signals, and a multi-task deep learning model is constructed to perform fusion analysis on the signals. According to the method, accurate quantitative regression prediction of hearing thresholds with any frequency resolution and automatic classification and discrimination of hearing loss properties are synchronously realized, the problems of single evaluation dimension and insufficient complex hearing loss analysis ability in the prior art are effectively solved, the comprehensiveness, accuracy and clinical operation efficiency of objective hearing evaluation are remarkably improved, and the method is suitable for popularization and application. And an innovative system solution is provided for fine diagnosis of the auditory function.

The invention relates to the technical field of health data processing, in particular to an intelligent health data processing method and device and a storage medium, and the method comprises the steps: collecting the pure tone hearing threshold of a user under a standard frequency table, constructing a pure tone audiometry map of the user, extracting the hearing threshold features of the user, constructing the hearing sensitive state index of the user, and obtaining the hearing sensitive state index of the user; then determining a basic hearing state of the user; collecting health data of the user in real time; calibrating an otoacoustic emission amplitude and an ABR wave V amplitude of the user; constructing a peripheral-central function coupling index of the user; and constructing an occult hearing loss model based on the peripheral-central function coupling index and the hearing processing disorder index of the user so as to output the occult hearing loss state of the user, and performing hearing health early warning on the user by integrating the occult hearing loss state of the user and the basic hearing state. According to the invention, the efficiency of health data processing is effectively improved.

The utility model relates to the field of otoacoustic screening equipment, in particular to an otoacoustic screening instrument probe based on wireless transmission, which comprises an otoacoustic screening instrument probe body, an indicating lamp and an otoacoustic collector, and the bottom of the otoacoustic screening instrument probe body is provided with an accommodating cavity for accommodating a battery; a clamping device is arranged on the inner wall of the containing cavity, an outer clamping seat is arranged on the outer side of the battery, and the outer clamping seat is arranged on the inner wall of the containing cavity through the clamping device; the indicating lamp and the otoacoustic collector are arranged on the two sides of the otoacoustic screening instrument probe body respectively. A positive electrode contact communication point and a negative electrode contact communication point are arranged at the bottom of the otoacoustic screening instrument probe body, the positive electrode contact communication point and the negative electrode contact communication point are both connected with the otoacoustic collector and the indicating lamp, and when the battery is clamped in place, the positive electrode and the negative electrode of the battery are connected with the positive electrode contact communication point and the negative electrode contact communication point respectively.

A hearing protection device to be worn in ear provides communications of ambient sound to an in-ear speaker. Blast noise is detected and measured using either the in-ear speaker as a microphone or using a separate in-ear microphone.

The embodiment of the invention relates to the technical field of vehicles, and discloses a dynamic total path sound insulation performance uncertainty optimization method and device, equipment and a medium. The method comprises the following steps: constructing a hierarchical decomposition framework of acoustic package sound absorption and insulation performance based on a power assembly; based on the power assembly, constructing a hierarchical decomposition framework of acoustic package sound absorption and insulation performance; constructing an ear noise prediction model based on a preset learning algorithm, the hierarchical decomposition architecture and the test parameter set; and on the basis of the basic parameter set, the ear noise prediction model, a Monte Carlo strategy and a preset optimization algorithm, completing global uncertainty optimization in a forward design stage. The problem of low accuracy in the acoustic packet performance prediction and optimization process is solved, the prediction accuracy is improved, and the engineering adaptability is improved.

The invention relates to the technical field of noise deafness susceptibility grading, in particular to a noise deafness susceptibility grading method and system based on a multi-band hearing threshold, and the method comprises the steps: presetting measurement frequency points, generating a measurement frequency point set according to a sequence from high frequency to low frequency, and completing M times of independent measurement for each frequency point; recording a tested subjective response timestamp, and generating a confidence value label; an otoacoustic emission signal in a tested ear canal is collected in real time, a time domain signal with the highest confidence coefficient of a single frequency point is extracted, spectrum features are calculated, and otoacoustic emission joint parameters are constructed. According to the method, the time sequence diffusion rule from high frequency to low and medium frequency hair cell damage can be comprehensively captured, the identification accuracy of potential auditory impairment is remarkably improved, the propagation mechanism from high frequency damage to intermediate frequency can be simulated by constructing the physically constrained spectrum migration operator, and otoacoustic emission time domain-frequency domain joint parameters and physiological indexes are combined, so that the identification accuracy of the potential auditory impairment is improved. And individualized and dynamic injury risk prediction is realized.

The invention relates to an ear sound production instrument, a detection method, a medium and computer equipment, and the instrument comprises an ear canal detection probe which is suitable for being inserted into an ear canal of a tested object and forms sealing fit with the wall of the ear canal, and the ear canal detection probe comprises an acoustic output unit which transmits an audio signal to the ear canal, the acoustic input unit is used for receiving a reflected wave of the audio signal in an ear canal; the sound insulation cover is arranged outside the auditory meatus detection probe in a sleeving mode and covers the auditory meatus detection probe and an auditory meatus opening so as to weaken noise and improve the signal-to-noise ratio of reflected waves, otoacoustic emission detection can be carried out without depending on a special sound insulation room environment, and the accuracy and clinical applicability of a detection result are guaranteed.

An assembly 100 to provide thermal therapy to a human auditory system includes a thermal transducer 125, a stimulus transducer 120, 135, a receiver 130, and a processing device 145. Some or all of the individual components may be carried in headwear. The thermal transducer 125 applies hypothermic temperature conditions to an area of the head near an ear. The stimulus transducer 120, 135 applies a stimulus signal, and the receiver 130 detects otoacoustic emission (OAE) responsive to the stimulus signal. The processor 145 compares the received OAE signal to a reference. Discrepancy between the OAE and reference is used in a feedback loop to control operation of the system 100.

An electronic apparatus is provided. The electronic apparatus includes a speaker, a first microphone, a second microphone, memory storing one or more computer programs, and one or more processors communicatively coupled to the speaker, the first microphone, the second microphone, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the electronic apparatus to control an external speaker to output sound of a first frequency, obtain a first sound signal corresponding to the sound of the first frequency through the first microphone, and obtain a second sound signal including the first sound signal through the second microphone, obtain a first noise cancelling signal based on the first sound signal and the second sound signal, output a second noise cancelling signal in which at least one of a phase or a gain of the first noise cancelling signal is changed and a third sound signal of a second frequency through the speaker, obtain the second sound signal by changing at least one of the phase or the gain, and identify at least one of a target phase or a target gain based on a third frequency component related to distortion product otoacoustic emissions (DPOAE) of the first frequency and the second frequency included in the second sound signal.

The invention discloses an otoacoustic emission instrument probe which is characterized by comprising a probe body, a first shell and a second shell, the first shell is a cylinder, the middle of the first shell is of a hollow structure provided with at least one through hole, one end of the hollow structure and the outer wall of the first shell form a first cavity, the first cavity is connected with the probe body, the other end of the hollow structure and the outer wall of the first shell form a second cavity, and the second cavity is connected with the second shell. An annular groove is formed in the inner wall of the upper end of the second shell. According to the otoacoustic emission instrument probe, a through hole of a first shell provides a fixed installation position for a loudspeaker and a microphone, an annular groove of a second shell provides a fixed installation position for a circuit board, the circuit board and the loudspeaker are connected with the circuit board through a fixed-length wire, internal crosstalk is effectively restrained, a physical isolation barrier is formed by the hole wall of the first shell, and the sound emission effect is improved. And the accuracy of acoustic immittance measurement and pure tone threshold judgment is further ensured.

1. Name of the product in this design: Over-ear noise-canceling headphones (H03). 2. Application of this design: This design is for use in over-ear noise-canceling headphones. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

In some embodiments, the electronic device includes a speaker, a microphone, a memory, a digital signal processor (DSP), a driver, and a processor. The processor is configured to: obtain a first sound signal by combining a first signal, a second signal, and a first anti-phase signal; extract, from a second sound signal related to the first sound signal, a first DPOAE signal; obtain a third sound signal by combining a fourth signal, a fifth signal, and a second anti-phase signal; extract, from a fourth sound signal related to the third sound signal, a second DPOAE signal; obtain a user hearing profile based on the first and second DPOAE signals; and perform, based on the user hearing profile, at least one of a sound volume change and an equalization (EQ) change of a sound to be output.

The application provides an optimization design method of a rear side wall structure of a vehicle and related equipment, and the method comprises the following steps: obtaining an initial rear side wall structure model of the vehicle; performing topography optimization on the initial rear side wall connecting plate model by taking the modal frequency of the rear side wall structure as an optimization constraint condition, so as to determine a first rear side wall connecting plate model; performing dynamic stiffness analysis on the first rear side wall connecting plate model, adjusting the structure parameters of the first rear side wall connecting plate model according to the dynamic stiffness analysis result, so as to determine a second rear side wall connecting plate model; and determining the structure parameters of the rear side wall connecting plate of the vehicle according to the second rear side wall connecting plate model. The optimization design method can improve the modal performance of the rear side wall connecting plate and the overall rear side wall structure and the anti-deformation ability under dynamic load, reduce the vibration amplitude of the rear side wall structure during the driving of the vehicle, improve the ear noise perception of the driver and the passengers, and improve the user experience of the vehicle.

The utility model relates to a kind of ear sound screening instrument base of wireless charging, including charging base, charging base overall is right trapezoid, the rear side of charging base is equipped with power cord, the front side inclined surface of charging base is equipped with recess, recess is compatible with ear sound screening instrument, trigger switch is equipped in recess, the position of trigger switch in charging base is equipped with inductive coil for the ear sound screening instrument wireless charging, inductive coil is connected in series with trigger switch and is electrically connected with power cord;Recess is additionally equipped with socket corresponding to the bottom of ear sound screening instrument, signal transmitter is equipped in charging base, signal transmitter is connected to power cord in parallel;Ear sound screening instrument can be electrically connected with signal transmitter by socket, so that the signal receiver of earphone can be wirelessly connected with signal transmitter.The utility model can optimize ear sound screening instrument to realize wireless charging function, and wired connection of earphone can be converted to wireless connection by charging base during charging, continue to use conveniently ear sound screening detection.

An ear probe for measuring otoacoustic emissions, containing a. at least one microphone for measuring OAEs in the ear canal, designed as a non-magnetic electroacoustic transducer b. at least one sound source, designed as a non-magnetic electroacoustic transducer

The invention is suitable for the technical field of audio processing, and provides a self-adaptive earphone active noise reduction method and device, and the method comprises the steps: a mobile terminal receives an in-ear noise signal transmitted by an earphone terminal; wherein the in-ear noise signal is a noise sound wave acquired through a feedback microphone after noise reduction processing is carried out on the basis of an initial anti-phase sound wave; according to a time domain saliency map corresponding to the in-ear noise signal, determining a sound wave rule feature corresponding to the in-ear noise signal; wherein the time domain significance map is used for identifying a specific acoustic event; and according to the sound wave rule characteristics, adjusting the initial reverse sound wave to obtain a target reverse sound wave, and sending the target reverse sound wave to an earphone terminal to perform noise reduction processing. Compared with a traditional fixed noise reduction algorithm, the real-time adaptability remarkably improves the noise reduction performance.

The invention discloses a broadband middle ear impedance and otoacoustic emission combined hearing threshold prediction method and a broadband middle ear impedance and otoacoustic emission combined hearing threshold prediction system. The method comprises the following steps: determining a detection mode and initializing detection parameters; auditory meatus sealing and environmental noise self-inspection, broadband middle ear impedance detection and otoacoustic emission detection are sequentially executed, and broadband middle ear impedance related features and otoacoustic emission related features are extracted respectively; fusing the two types of features to construct a joint feature, inputting the joint feature into a hearing prediction model, outputting a hearing threshold prediction value or a hearing condition evaluation result, and generating a detection report; according to the system, a modular architecture of a core control and acquisition unit and an air pressure adjusting unit is adopted, and core hardware is reused to realize one-stop detection of middle ear and inner ear functions; according to the method, the middle ear conduction characteristic and the inner ear active function are jointly modeled, key links of an auditory pathway are comprehensively covered, the accuracy of hearing threshold prediction is improved, the detection process is automatic, subjective cooperation of a subject is not needed, and the clinical adaptability is high.

A sound-generating device for a probe for measuring otoacoustic emissions or for a hearing aid is disclosed, comprising a sound-generating module (12) designed to be inserted into a human ear canal (14). The sound-generating module (12) has at least one first sound transmitter (20) that emits a first sound field (24) distally, which exhibits a first sound pressure that is location-dependent. When inserted into the ear canal (14), the sound-generating module (12) is not airtight with respect to the ear canal (14), so that a reflected portion (27) of the first sound field (24) can penetrate into a proximal far field (46) and generate a first far-field sound pressure there.The sound generation module (12) has at least one second sound transmitter (38) which emits a second sound field (40) which has a second sound pressure that is dependent on location and generates a second far-field sound pressure in the proximal far field (46), wherein the second sound field (40) is adjusted such that in the proximal far field (46) the second far-field sound pressure is essentially the same as the first far-field sound pressure, but out of phase with it, so that in the proximal far field (46) the reflected part (27) of the first sound field (24) generated by the first sound transmitter (20) and the second sound field (40) largely cancel each other out.

This invention discloses a method for measuring bone conduction hearing thresholds by exciting the forehead with a bone resonator. The method includes: inserting probe-type microphones into both ear canals of the subject and wearing sound-insulating headphones at the entrances of both ear canals; applying bone conduction excitation to the subject's forehead and measuring the sound pressure levels of transient response otoacoustic emissions (OAEs) bilaterally; and obtaining the bilateral mastoid bone conduction thresholds of the subject based on a pre-established correlation database between transient response OAEs and mastoid bone conduction hearing thresholds. Compared with the bone conduction hearing threshold testing procedures specified by international standards, the method of this invention has a shorter measurement time and higher efficiency, provides data support for inferring subjective bone conduction hearing thresholds from objective physiological signals, and is particularly suitable for bone conduction hearing threshold testing in children.

A system is provided for processing of a bilaterally differentiated otoacoustic signal, recovering it in the presence of common mode acoustic noise. A pattern recognition module is provided with reference data to recognise known patterns in audio data received. Based on the recognition of particular sound data, the system may control an actuator. By training a user to exhibit particular behaviour that triggers particular otoacoustic sounds with particular patterns, and by building a proper reference database, the user may be able to control the actuator by means of the behaviour, via otoacoustic emissions by the ears of the user. The reference database may be a conventional database, but also a neural network or other artificial intelligence.

The utility model particularly relates to an otoacoustic simulator which comprises a base and a probe used for otoacoustic emission detection, a control chip, a display screen and a controller are arranged on the base, the display screen and the controller are respectively connected with the control chip, and the probe is electrically connected with the control chip through a processing module. A human head model is arranged on the base, simulated ear canals are arranged in the human head model corresponding to ears on the two sides of the human head model respectively, audio generation modules are arranged at the positions, corresponding to cochlea, in the simulated ear canals, and the audio generation modules are electrically connected with the control chip and used for outputting simulated sounds; a detection module is further arranged in the simulated ear canal and used for detecting the position of the probe inserted into the external auditory canal of the simulated ear canal. According to the utility model, different otoacoustic signals of a subject can be simulated, the otoacoustic detection process can be simulated by correctly wearing the probe, otoacoustic emission signals under different hearing conditions can be simulated, and the sensitivity, the detection accuracy and other performances of the test probe can be compared, so that the practical test application or teaching guidance and other purposes can be facilitated.

The application discloses an active noise reduction method, device and system, relates to the technical field of audio, and can effectively suppress clipping while minimizing the influence on the active noise reduction effect. In the application, a terminal device can predict the clipping probability and the clipping degree in advance based on the collected noise signals, such as ambient noise and / or in-ear noise, so as to perform clipping suppression in advance. For example, the noise signal is controlled according to the predicted results to select matched clipping suppression parameters, thereby effectively improving the robustness of the earphone clipping control, effectively suppressing the clipping while minimizing the influence on the active noise reduction effect.

A system can play, via headphones, a test sound comprised of a pair of tones. The system can measure, for the test sound, a DPOAE caused by the pair of tones. The system can repeat the playing step to generate a plurality of test sounds in succession with one another and at a playback speed that generates a sound sequence for the user. The system can repeat the measuring step to generate a plurality of measurements for the plurality of test sounds. The system can then determine a test result for the user based on one or more of the plurality of measurements. Other aspects are also described and claimed.

1. Name of the product in this design: Over-ear noise-canceling headphones (SM-HN800). 2. Purpose of this design: for audio output. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present application relates to the technical field of noise-induced hearing loss susceptibility grading, and particularly relates to a noise-induced hearing loss susceptibility grading method and system based on multi-band hearing threshold, which comprises presetting measurement frequency points, generating a measurement frequency point set in order from high frequency to low frequency, and completing M independent measurements for each frequency point; recording a subject response time stamp to generate a confidence value label; collecting an otoacoustic emission signal in a subject ear canal in real time, extracting a time domain signal with the highest confidence of a single frequency point, calculating a spectral feature, and constructing an otoacoustic emission joint parameter. The present application can comprehensively capture the time sequence diffusion law of high frequency to low frequency hair cell damage, significantly improve the recognition accuracy of potential hearing damage, simulate the propagation mechanism of high frequency damage to medium frequency by constructing a physically constrained spectral migration operator, and realize individualized and dynamic damage risk prediction by combining the otoacoustic emission time domain-frequency domain joint parameter and physiological indicators.

This utility model discloses a dual-feed over-ear noise-canceling headphone, relating to the field of over-ear noise-canceling headphone technology. It includes an earphone shell, with a speaker mounting shell internally connected to it. A speaker is mounted on the right side of the speaker mounting shell, and a silicone pad is attached to the outer side of the speaker mounting shell. A bracket is rotatably connected to the outside of the earphone shell, and an extension bracket is slidably connected to the inner side of the bracket. A noise-canceling component is mounted on the other side of the speaker mounting shell. This dual-feed over-ear noise-canceling headphone uses a feedforward microphone and a feedback microphone to collect external ambient noise and residual noise within the earcups, respectively. The earphone shell also houses a speaker for playing audio signals and processed noise-canceling signals. The headphone includes a noise-canceling control circuit, including a feedforward filter and a feedback filter, which process the noise signals collected by the feedforward and feedback microphones, respectively.