42 results about "EAR NOISES" patented technology

A loudspeaker system and method can measure a specific user's hearing and implement compensatory or corrective processing to address the user's hearing deficiencies. The user's hearing acuity may be determined by (i) headphone techniques in which frequency-based hearing thresholds are determined; (ii) a loudspeaker system set up as intended for use in an acoustic space to emit tonal stimuli; or (iii) inducing, acquiring, and interpreting otoacoustic emissions. Once the hearing profile is determined, appropriate signal processing parameters can be used to generate a corrected audio output signal adjustment. The administered hearing test results can include a plurality of hearing loudness threshold levels at respective test frequencies. The hearing correction system's corrected audio output can be generated from corrected loudness values at selected correction frequency sub-bands.

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.

To predict whether there is no sound in a predetermined space based upon whether onomatopoeia indicative of silence that a human perceives in a quiet environment is generated.SOLUTION: A determination device comprises: an input part which inputs predetermined sound data generated by converting a predetermined sound into numeric data through frequency analysis to a determination model outputting whether a specific frequency of 1,800 Hz or more to 2,200 Hz or less indicative of induced otoacoustic emissions is included in addition to the frequency of sound data once the sound data is input; and a control part which displays, on a display unit, the generation of onomatopoeia indicative of silence that a human perceives in a quiet environment when the determination model receiving the predetermined sound data generates an output showing that the specified frequency is detected, but displays, on the display unit, no generation of onomatopoeia when the determination model generates an output showing no detection of the specific frequency.SELECTED DRAWING: Figure 1

A loudspeaker system and method can measure a specific user's hearing and implement compensatory or corrective processing to address the user's hearing deficiencies. The user's hearing acuity may be determined by (i) headphone techniques in which frequency-based hearing thresholds are determined; (ii) a loudspeaker system set up as intended for use in an acoustic space to emit tonal stimuli; or (iii) inducing, acquiring, and interpreting otoacoustic emissions. Once the hearing profile is determined, appropriate signal processing parameters can be used to generate a corrected audio output signal adjustment. The administered hearing test results can include a plurality of hearing loudness threshold levels at respective test frequencies. The hearing correction system's corrected audio output can be generated from corrected loudness values at selected correction frequency sub-bands.

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.

First audio content at a first frequency is output alternately with second audio content at a second frequency different from the first. An audio signal indicating otoacoustic emission is received in response. The first and second audio content may be pure tones, and may be non-overlapping in time separated by gaps less than 100 ms. The second frequency may be 1.15-1.3 times the first. A microphone 330 may receive an input indication distortion product otoacoustic emissions. The audio content may be output by a single loudspeaker 325. The health of the subject’s ear may be determined. Further audio content may be determined and output.

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 utility model relates to the field of otoacoustic screening instrument probes, in particular to an otoacoustic screening instrument probe with an indicating lamp, which comprises an otoacoustic screening instrument probe body, an otoacoustic collector and a connecting lead, the otoacoustic collector is arranged on the otoacoustic screening instrument probe body, a connecting base with a contact point is arranged at the bottom of the otoacoustic collector, and the connecting lead is connected with the otoacoustic screening instrument probe body. The connecting wire is arranged on the probe body of the otoacoustic screening instrument and is connected with the outer side of the contact point on the connecting base; the otoacoustic screening instrument probe body is provided with the indicating lamp, the indicating lamp is connected with the inner side of the contact point, the indicating lamp is arranged on the otoacoustic screening instrument probe body, the connecting wire is arranged on the otoacoustic screening instrument probe body and connected with the outer side of the contact point on the connecting base, and the indicating lamp is connected with the inner side of the contact point. When the otoacoustic collector works, the working state can be displayed through the indicator lamp, and a user can conveniently use the probe of the otoacoustic screening instrument.

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.

According to various, but not necessarily all, examples there is provided an apparatus comprising: means for causing alternating output of a first audio content and a second audio content, the first audio content comprising a first frequency and the second audio content comprising a different second frequency; and means for receiving, responsive to output of the first audio content and the second audio content, an audio signal indicative of otoacoustic emissions.

The invention relates to the technical field of seat noise reduction, in particular to an ear noise reduction system and method based on seat structure improvement. The ear noise reduction device comprises an adjustable support and a flexible earmuff located at the tail end of the adjustable support, and a noise reduction module and a sensor array are arranged in the flexible earmuff. The adjustable bracket comprises a fixed bracket, a hinge point, a movable bracket and a fixed block; a noise reduction module is arranged in the middle of the inner side of the flexible earmuff, and a sensor array is arranged on the periphery of the noise reduction module; the input end of the ANC controller collects the parameters of a noise target through an external sensor, and outputs an anti-phase sound wave which counteracts noise of a specific frequency band through a noise reduction module. And the sensor array feeds back the multi-party acquired and denoised parameters to the ANC controller to form a closed-loop control system. Through ear contour optimization and multi-area noise monitoring, in cooperation with a gradient sound insulation structure, differential noise reduction of local areas such as ear canals and auricles is achieved, and the comprehensive noise reduction depth is increased by 30% or above.

1. The name of the design product: ear sound emission instrument probe. 2. The use of the design product: for monitoring and diagnosis of hearing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

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 invention relates to a hearing detection system and method based on a hearing state and a hearing threshold, and belongs to the technical field of hearing system detection, and the system comprises a collection and transmission module which is used for transmitting a stimulation signal and collecting an auditory meatus signal. And the fine structure detection mechanism comprises a DPOAEs fine structure detection module and an SFOAEs fine structure detection module which are respectively used for extracting DPOAEs fine structure information and SFOAEs fine structure information of otoacoustic emission from the auditory meatus signal. The hearing detection analysis and prediction mechanism comprises a hearing threshold detection module and a hearing state screening module which are respectively used for acquiring DPOAEs fine structure information and SFOAEs fine structure information of multiple frequency points and multiple test intensities through the fine structure detection mechanism, constructing an input feature matrix, and screening the hearing threshold detection module and the hearing state screening module; and calling a pre-trained deep learning model to predict hearing thresholds and hearing screening under different frequencies according to the input feature matrix.

The invention discloses a wireless otoacoustic emission detection system, which adopts a highly integrated circuit and a small packaging chip to realize circuit miniaturization in order to reduce adverse effects caused by a lead wire connected between a host and a detection probe of an existing commercial otoacoustic emission detection system. In the hardware circuit implementation, only two main chips, namely a main control chip and an audio coding and decoding chip, are adopted to realize the circuit with the functions. A chip which is small in packaging size, high in signal processing capacity and low in power consumption and integrates a radio-frequency transmitting circuit and a radio-frequency receiving circuit is selected in a main control chip. The coding and decoding chip is a chip which is small in packaging size, low in circuit noise, multi-channel in input, programmable in input signal amplification factor, multi-channel in audio power amplifier output and integrated with an analog-to-digital conversion circuit and a digital-to-analog conversion circuit. And the output of the microphone is simultaneously connected to the multi-channel input of the coding and decoding chip, and corresponding processing is carried out on software and algorithms, so that the overall dynamic range of the system is improved.

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.

The application provides an optimized ear sound reflection signal detection method, aiming at improving the accuracy of quality analysis and abnormal identification of ear sound signals, and mainly comprises the following steps: TE noise threshold optimization, artifact elimination, similarity calculation, wavelet denoising and DP data processing, etc., wherein the self-adaptive threshold control is used to dynamically adjust the noise threshold, thereby enhancing the reliability of the signal; the T-shaped window and the band-pass filtering technology are used to effectively filter the noise and improve the signal-to-noise ratio; the frequency domain coherence spectrum method and the wavelet denoising further strengthen the signal matching degree and stability; and the continuous sound processing and the small cavity identification strategy ensure the data integrity and accurately distinguish the influence of different environments and earplug states.

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

A system and method to measure noise reduction and evaluate the contributions of various sound sources to noise exposure dose of exposition using electro-acoustic earplugs is provided. The system may be implemented as an advanced HPD in the form of an electro-acoustical earplug. The earplug comprises an OEM 10 and an IEM. The system is configured to calculate an estimated IEM signal based on calculation of estimates of residual ambient noise, payback sounds or WID present in the ear canal.

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.