54 results about "EAR NOISES" patented technology

The invention relates to a method for predicting cochlear hearing loss based on pure tone induced SFOAE, which comprises the following steps of: extracting a stimulation frequency otoacoustic emission signal through a six-section stimulation signal normal form to obtain a stimulation sound playing sequence diagram in single stimulation frequency otoacoustic emission signal acquisition, and extracting a time domain residual signal; and low-frequency background noise in the time domain residual signals is removed through a zero phase shift high-pass filter with cut-off frequency. And performing stack average processing on the plurality of filtered time-domain signals, and storing the time-domain signals in an odd-order buffer area and an even-order buffer area one by one according to an odd-even order. The method comprises the following steps: performing dimension reduction feature extraction on a single stimulation frequency otoacoustic emission signal through principal component analysis, training a machine learning algorithm based on principal component features, and constructing a hearing loss prediction model; and calling the hearing loss prediction model to compare the feature input with the representation of the single stimulation frequency otoacoustic emission signal without dimension reduction in the original data space, and quantitatively predicting the cochlea hearing loss threshold.

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 provides an optimized otoacoustic reflected signal detection method, and aims to improve the accuracy of quality analysis and anomaly recognition of otoacoustic signals, the method mainly comprises the steps of TE noise threshold optimization, artifact elimination, similarity calculation, wavelet noise reduction, DP data processing and the like, the noise threshold is dynamically adjusted through self-adaptive threshold control, and the accuracy of the quality analysis and anomaly recognition of the otoacoustic signals is improved. The signal reliability is enhanced; a T-shaped window and a band-pass filtering technology are utilized, noise is effectively filtered, and the signal-to-noise ratio is improved; the signal matching degree and stability are further enhanced through the frequency domain coherence spectrum method and wavelet noise reduction; the continuous sound processing and small cavity identification strategy ensures the data integrity and accurately distinguishes the influence of different environments and earplug states.

The present invention relates to an otoacoustic emission signal detection method, device, electronic device and storage medium. The method comprises: obtaining otoacoustic emission signals at multiple frequencies in a single frequency sweep test by exponential frequency sweep. An online whole-segment signal artifact removal algorithm is called to perform artifact removal on the distortion product otoacoustic emission signal and the stimulation frequency otoacoustic emission signal respectively, and the distortion product otoacoustic emission signal and the stimulation frequency otoacoustic emission signal after artifact removal are respectively subjected to filtering tracking and two-tone suppression superposition to obtain a re-collected signal. An offline segmented signal artifact removal algorithm is called to perform artifact removal on the re-collected signal, and the re-collected signal processed by the offline segmented signal artifact removal algorithm is subjected to segmented signal stacking averaging operation and filtering tracking to extract the re-collected signal of the stimulation frequency otoacoustic emission signal. The re-collected signal is processed by FFT operation to obtain an amplitude signal and a phase signal corresponding to the otoacoustic emission signal with high frequency resolution.

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

The ear sound screening device comprises an ear sound screening instrument and a plurality of bracelets, sensors used for sensing the physiological state are arranged on the inner side faces of the bracelets, clamping grooves are formed in the positions, corresponding to the sensors, of the outer side faces of the bracelets, bar codes are pasted in the clamping grooves, and interfaces are formed in the inner side faces of the clamping grooves. The interface is electrically connected with the inductor; the bottom face of the otoacoustic screening instrument extends outwards to be provided with two clamping parts, the two clamping parts are matched with the two sides of the strip-shaped groove respectively, the clamping parts are provided with pins used for being connected with the interfaces, the otoacoustic screening instrument is further provided with a processor, a printer, a code reader and a display screen, the printer, the code reader and the display screen are electrically connected with the processor, and the processor is electrically connected with the pins. The printer is used for printing bar codes, and an image acquisition lens of the code reader is correspondingly located between the two clamping parts. The otoacoustic screening instrument can print bar codes and record the bar codes, information can be directly obtained through code scanning, and meanwhile the physiological state sensed by the sensor can be recorded.

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 information processing system (10) is provided with: a first terminal (100) which acquires the feature amount of an echo sound reflected in an ear of a subject; a second terminal (200), a predetermined operation of which is enabled in accordance with ear acoustic authentication using the feature amount; a detection means (120) which detects contact between the first terminal and the second terminal; and a transmission means (130) which, when the contact is detected, transmits the feature amount from the first terminal to the second terminal. According to such an information processing system, it is possible to appropriately transmit, from an acquisition source, a feature amount used for ear acoustic authentication.

The present disclosure describes systems and methods to evaluate auditory efferent function by exposing a patient to short-duration acoustic click stimuli to generate a click-evoked otoacoustic emission (CEOAE) occurring in each ear of the patient, and in response to exposing the patient to click stimuli, concurrently sampling outer hair cell activity (OHC) and medial olivocochlear reflex (MOCR; efferents) in each ear of the patient, monitoring the middle ear muscle reflex (MEMR) in each ear of the patient, and measuring a change in cochlear activity in the patient based on the CEOAE, MOOR, and MEMR of each ear of the patient.

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 utility model discloses a Bluetooth earphone half noise reduction structure based on a gyroscope, comprising a first housing and a second housing, the first housing and the second housing are hinged through a rotating shaft, an inner cavity of the second housing is fixedly provided with a gyroscope sensor, and the second housing is provided with a notch. By arranging the second shell, the rotating shaft and the arc-shaped plate, when the earphone is used, a user can rotate the second shell through the rotating shaft, so that the arc-shaped plate is pulled out from the notch, the earphone is clamped and worn on an ear, and when the earphone is in an indoor noisy environment, the user can rotate the second shell to enable the arc-shaped plate to be inserted into the notch, as shown in figure 4, so that the earphone is convenient to use. According to the utility model, the gyroscope sensor is arranged in the first shell, then the end part of the first shell is stuffed into the ear to block the ear canal, meanwhile, after the deflection angle of the gyroscope sensor exceeds the angle of a set threshold value, the earphone starts an in-ear noise reduction mode, and the earphone has the advantages that an adjustable wearing mode is provided, so that the earphone can be better used by a user in different environments.

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.

An information processing system (10) comprises: a first terminal (100) that executes otoacoustic authentication which uses echo sounds that echo within the ear of a subject; a second terminal (200) by which a prescribed operation is enabled in accordance with the otoacoustic authentication; a detection means (210) that detects the amount of change in the distance between the first terminal and the second terminal; and a control means (220) which, when the amount of change in the distance has exceeded a prescribed value, executes notification to the first terminal and / or prohibition of the prescribed operation in the second terminal. According to such an information processing system, an appropriate measure can be executed when a terminal is lost or stolen.

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 intelligent sensor Bluetooth earphones, in particular to a Bluetooth earphone control method and system with an automatic sensing function, and the method comprises the steps: analyzing the change condition of the in-ear distance of a Bluetooth earphone at each collection moment in a current time period, obtaining the change frequency of the ear distance, and obtaining the change frequency of the ear distance; analyzing the fluctuation degree and the average level of the external environment noise intensity of the Bluetooth earphone, obtaining an ear noise value, and further calculating an ear distance external noise influence degree; analyzing the difference between the external noise influence degrees of the ear distance of the Bluetooth earphone in the current time period and the previous time period, calculating the volume adjustment proportion of the current time period, determining the adjustment volume of the Bluetooth earphone in the current time period based on the volume adjustment proportion, and determining the optimal volume of the Bluetooth earphone in the current time period by combining the playing volume of the Bluetooth earphone in the current time period. Therefore, the volume of the Bluetooth earphone can be adjusted. The Bluetooth headset can be intelligently adjusted through automatic induction, and the tone quality experience and use convenience of the Bluetooth headset are improved.

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.