CN113729696A - System and method for making ear-stifling non-invasive acoustic pulse accurate treatment scheme - Google Patents
System and method for making ear-stifling non-invasive acoustic pulse accurate treatment scheme Download PDFInfo
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Abstract
The invention discloses a system and a method for making an ear stifling non-invasive acoustic pulse accurate treatment scheme, wherein the system comprises: the system comprises a sound sensitivity detection and pure sound hearing detection unit under common environmental noise, a hearing signal preprocessing unit, a multi-channel sound pulse treatment scheme manufacturing unit and a sound pulse treatment implementation unit. Through the mode, the system and the method for establishing the ear stifling non-invasive acoustic pulse accurate treatment scheme can accurately establish and implement the acoustic pulse treatment scheme aiming at the difficult ear stifling according to the personalized detection result, and the acoustic pulse with adjustable qualitative and quantitative properties can generate the mechanical vibration of an auditory pathway and the modulation of the cochlear conversion electric signals so as to weaken or disappear the ear stifling perception.
Description
Technical Field
The invention relates to the field of diagnosis and treatment systems, in particular to a system and a method for making an ear-stifling non-invasive acoustic pulse accurate treatment scheme.
Background
The ear stifling sensation is a common symptom possibly related to any part of auditory organ abnormity from the external ear, the middle ear to the inner ear and the auditory nerve, and the exact definition of the ear stifling sensation is not seen in the domestic textbook of external ear nasopharynx and larynx science. Meanwhile, an objective diagnosis and treatment system for ear stuffiness has not yet been established.
The feeling of ear stuffiness is a common symptom in outpatients such as otolaryngology, neurology, psychology and the like, and can be manifested as fullness in ear, blockage, pressure, blockage in ear or sensation like placing under water and oppression. The patients may have symptoms such as self-hearing enhancement, hearing loss, vertigo, tinnitus, and various nerve dysfunction, or have no obvious symptoms. The suffocation of ears can cause the patients to generate negative emotions such as depression, anxiety and the like, and even become isolated and isolated from the world. The clinic incidence rate is about 1-5%, women are more than men, and the high incidence age is 40-45 years old.
The mechanism of the formation of the sensation of ear stuffiness has not been elucidated. Most of the current opinions are that there are nerve endings sensing pressure changes in the external auditory canal, tympanic membrane, middle ear cavity, round window membrane and inner ear, mainly innervated by trigeminal nerve, vagus nerve and glossopharyngeal nerve. Changes in middle ear cavity pressure caused by middle ear disease can cause symptoms by stimulating the tympanic membrane, the mucosa of the middle ear cavity, and the round window membrane baroreceptors. Among them, the eustachian tube is particularly critical in regulating the pressure of the middle ear cavity, and abnormal opening of the eustachian tube or obstructive opening disorder can cause abnormal pressure of the middle ear, which is one of the main causes of formation of ear stuffiness. Recent studies have found that abnormal activity of the tensor tympanic membrane muscle also results in compliance of the tympanic membrane and a decrease in intratympanic pressure, which produces a feeling of ear stuffiness. At the level of the inner ear, changes in pressure in the cochlear canal caused by disturbances in the production or absorption of the medial and lateral lymph fluids stimulate the baroreceptors of the round window membrane.
The therapeutic principle of ear obstruction is mainly for the treatment of the cause and secondarily for the symptomatic treatment. External auditory canal diseases can be treated by local cleaning and administration. The middle ear or inner ear diseases with definite etiology can improve symptoms such as chronic suppurative otitis media, ear sclerosis, superior semicircular canal syndrome, idiopathic labyrinth fistula and the like through operations. For some intractable middle ear diseases, such as recurrent secretory otitis media, incomplete middle ear dilatation, and adhesive otitis media, eustachian tube balloon dilatation can be tried under the condition of ineffective conservation treatment. Symptomatic eustachian tube dysfunction is the most common cause of ear stuffiness and obstruction, and the incidence rate is up to 1-5%, and the traditional treatment methods such as eustachian tube function exercise nasal pinching and air blowing methods and operation methods comprise tympanostomy tube placement and eustachian tube angioplasty. There is currently insufficient evidence to show that the above-mentioned traditional treatment methods and any drug or surgery for symptomatic eustachian tube dysfunction have significant clinical effects.
Disclosure of Invention
In order to solve the technical problems, the invention adopts a technical scheme that:
provides an ear stifled sense noninvasive acoustic pulse accurate treatment scheme making system, which comprises: the system comprises a sound sensitivity detection and pure sound hearing detection unit, a hearing signal preprocessing unit, a multi-channel sound pulse treatment scheme manufacturing unit and a sound pulse treatment implementation unit under common environmental noise not exceeding 60 dB; the hearing signal preprocessing unit receives detection information input by the sound sensitivity detection and pure-tone hearing detection unit under common environmental noise, divides the detection information into a plurality of frequency bands according to the frequency range of the detection information, each frequency band corresponds to one signal processing channel, and individually formulates individual single-mode sound pulses of each channel; the multi-channel sound pulse treatment scheme making unit is used for superposing or compounding sound pulses output by all channels to make a comprehensive multi-channel multi-modal sound pulse treatment scheme; the sound pulse treatment implementation unit periodically transmits personalized sound pulses into the external auditory canal according to a sound pulse treatment scheme, so that the middle ear pressure and auditory nerve perception are adjusted under the comprehensive action of the mechanical vibration of an auditory pathway induced by the sound pulses and the regulation and control of the cochlear conversion electric signals, the pressure on two sides of the tympanic membrane is gradually rebalanced, and the auditory nerve system ear stifling perception is weakened or disappeared.
A method for making an ear stifling non-invasive acoustic pulse accurate treatment scheme comprises the following steps: collecting clinical diagnostic information of a patient; acquiring voice allergy information according to a voice allergy test; the method comprises the steps that a sound sensitivity detection and pure tone hearing detection unit under common environmental noise of no more than 60dB obtains detection information of a sound sensitivity test and a hearing threshold test, and preprocesses the detection information to divide the detection information into a plurality of frequency bands according to a frequency range in the detection information, wherein each frequency band corresponds to one signal processing channel, and personalized single-mode sound pulses of each channel are formulated respectively; formulating a comprehensive multi-channel multi-modal sound pulse scheme according to the personalized sound pulse output by each channel; optimizing a multi-channel multi-modal sound pulse scheme according to experience debugging or treatment information of a patient; the multi-channel multi-modal sound pulse scheme is implemented in a mode that the left and/or right ear side earphones are respectively and periodically conducted into the external auditory meatus, so that the periodic management of the ear stifling sensation multi-course treatment is realized.
In a preferred embodiment of the present invention, the clinical diagnostic information for a unilateral or bilateral ear distress disorder includes, but is not limited to: the medical history information, the basic disease information, the image information and various scale evaluation information reflecting the mental state are used for diagnosing the causes of ear stuffiness.
In a preferred embodiment of the invention, the sound allergy test is carried out on the sick ear side under the common environmental noise condition of not more than 60dB, if sound allergy exists, a narrow-band noise desensitization scheme is formulated in the sound allergy frequency range of sound allergy frequency +/-50%, sound desensitization treatment is carried out, and after the desensitization treatment, an ear stifling non-invasive sound pulse accurate treatment scheme is formulated and implemented.
In a preferred embodiment of the invention, under the condition of normal environmental noise not exceeding 60dB, the extended high-frequency pure tone hearing threshold detection of 1Hz to 12KHz is carried out on the ear side with the disease, so as to obtain the lowest value of the external sound which can be sensed by the patient in a wide frequency range of up to 12KHz as the hearing threshold, and obtain the upper sound intensity limit and the uncomfortable area which can be accepted by the patient.
In a preferred embodiment of the present invention, when preprocessing the detection information: according to a pure tone hearing threshold diagram at the side of an ear with disease, dividing the frequency range from 1Hz to 12KHz into no more than 6 frequency ranges in a non-uniform way, wherein the number of the frequency ranges from 1Hz to 400Hz is no more than 3; setting a plurality of independent channels for formulating the acoustic pulse signals according to the number of the frequency bands, wherein one channel corresponds to one frequency band, and single-mode acoustic pulses are formulated in each channel: the intensity of the sound pulse is 5 to 80dB above the hearing threshold corresponding to the corresponding frequency band of the channel, the uncomfortable domain of the corresponding frequency band is measured by pure tones and is taken as the upper limit of the reference pulse, the frequency range of the sound pulse is 1Hz to 500Hz, the waveform of the sound pulse comprises but is not limited to triangular wave, rectangular wave and sawtooth wave, and the waveform adjustment comprises but is not limited to wave trough extension, variation period and waveform knock gap.
In a preferred embodiment of the invention, the output contribution weight of each channel is set according to the diagnosis information of ear stuffiness, and the single-mode acoustic pulses output by each channel are superposed or compounded according to the output contribution weight to form a multi-channel multi-mode acoustic pulse treatment scheme.
In a preferred embodiment of the invention, the sound pulse of the sound pulse treatment scheme is periodically output through the earphone and is conducted into the external auditory canal through air, pulse pressure is formed on the outer side of the tympanic membrane to generate vibration, the auditory bone chain and the auditory pathway connected with the inner side of the tympanic membrane are induced to generate mechanical vibration, meanwhile, the auditory bone chain vibrates the cochlea, hair cells in the cochlea move to generate electric signal change corresponding to the sound pulse, under the comprehensive action of the mechanical vibration and the electric signal change regulation and control, the pressure on two sides of the tympanic membrane is rebalanced, and the auditory nervous system ear blocking perception is weakened or disappeared.
In a preferred embodiment of the present invention, for a binaural patient, bilateral balance adjustment of the left and right ears is performed through experiencing the acoustic pulses played by the earphones, so as to formulate an optimized binaural side acoustic pulse accurate treatment scheme.
In a preferred embodiment of the invention, the detection and diagnosis information is acquired periodically, and the parameters of the treatment plan are adjusted and optimized in time according to the detection and diagnosis information so as to establish the treatment period and the treatment course.
The invention has the beneficial effects that: according to the personalized detection result, an acoustic pulse treatment scheme aiming at the difficult treatment ear stifling feeling can be accurately formulated and implemented, the acoustic pulse with adjustable qualitative and quantitative properties can generate the mechanical vibration of the auditory pathway and the cochlear converts the electric signal to regulate and control, so that the ear stifling feeling is weakened or disappears.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic flow chart diagram illustrating a preferred embodiment of a system and method for accurate treatment of ear-stifling non-invasive acoustic pulse in accordance with the present invention;
FIG. 2 is a schematic diagram of a preferred embodiment of the system and method for accurate treatment of ear-stifling non-invasive acoustic pulse in accordance with the present invention;
fig. 3 is a schematic structural diagram of a system and method for accurate treatment of ear-stifling non-invasive acoustic pulse according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention includes:
a system for making a non-invasive acoustic pulse accurate treatment scheme for ear stuffiness and obstruction comprises: the system comprises a sound sensitivity detection and pure tone hearing detection unit under common environmental noise of no more than 60dB, a hearing signal preprocessing unit, a multi-channel sound pulse treatment scheme manufacturing unit and a sound pulse treatment implementation unit; because the personalized sound pulse is a mechanical wave with enough potential energy and kinetic energy, the personalized sound pulse is periodically transmitted into the external auditory canal, and the middle ear pressure and auditory nerve perception are regulated under the comprehensive action of the auditory pathway mechanical vibration induced by the personalized sound pulse and the regulation and control of the cochlear conversion electric signal, so that the pressure on two sides of the tympanic membrane is gradually rebalanced, and the auditory nerve system ear stifled perception is weakened or disappeared.
A method for making an ear stifling non-invasive acoustic pulse accurate treatment scheme comprises the following steps:
(1) clinical diagnostic information is collected for a patient. Wherein, the clinical diagnosis information collection aiming at the single-side ear or double-side ear suffocation symptoms of ear stifling includes but is not limited to: the medical history information, the basic disease information, the image information and various scale evaluation information reflecting the mental state are used for diagnosing and confirming the causes of ear stuffiness.
(2) And acquiring the voice allergy information according to the voice allergy test. Wherein, the sound allergy test is carried out on the sick ear side under the common environmental noise condition of not more than 60dB, and the sound desensitization treatment can be carried out by adopting the noise of a specific frequency band.
If sound allergy exists, a narrow-band noise desensitization scheme with the sound intensity not exceeding an uncomfortable domain obtained by pure sound test is formulated in a sound frequency range of sound allergy frequency +/-50%, sound desensitization treatment is carried out, and an ear stifling non-invasive sound pulse accurate treatment scheme is formulated and implemented after desensitization treatment.
(3) And according to the hearing threshold test, obtaining a hearing signal and preprocessing the hearing signal.
(3.1) under the condition of common environmental noise not exceeding 60dB, carrying out 1Hz to 12KHz extended high-frequency pure tone hearing threshold detection on the ear side with the disease, so as to obtain the lowest value of the external sound which can be sensed by the patient in a wide frequency range of up to 12KHz as the hearing threshold, and obtain the upper limit of sound intensity and uncomfortable area which can be accepted by the patient.
And (3.2) according to a pure tone hearing threshold diagram on the sick ear side, dividing no more than 6 frequency bands in a range of 1Hz to 12KHz in a non-uniform way (the industry standard audiogram is a semilogarithmic curve, the horizontal axis is frequency (logarithm), and the vertical axis is loudness (linearity)), and particularly dividing no more than 3 frequency bands in a range of 1Hz to 400 Hz.
(3.3) setting a plurality of independent acoustic signal processing channels for formulating the acoustic pulse signals, wherein one channel corresponds to one divided frequency band, and single-mode acoustic pulses are formulated in each channel, and the intensity of the acoustic pulses is near a hearing discomfort area which is 5 to 80dB above the hearing threshold value corresponding to the frequency band corresponding to the channel, so that the limit of the intensity of the concussion sound which can be felt by a patient and accepted by the patient can be formulated. The frequency range of the acoustic pulse is 1Hz to 500Hz, the waveform of the acoustic pulse comprises but is not limited to triangular wave, rectangular wave and sawtooth wave, and the waveform adjustment comprises but is not limited to wave trough extension, variation period and waveform knock-out gap.
(4) And (4) making a multi-channel multi-modal sound pulse scheme. And setting the output contribution weight of each corresponding channel according to the diagnosis information aiming at the ear stifling feeling so as to superpose or compound the single-mode acoustic pulse output by each channel, thereby forming a multi-channel multi-mode acoustic pulse treatment scheme.
(5) And according to the experience debugging information of the patient, the sound pulse accurate treatment scheme of the optimized single/double ear side is adopted. Wherein, to the binaural patients, through experiencing the acoustic pulse that the earphone broadcast, carry out the bilateral balance debugging of left and right ears, optimize the accurate treatment scheme of binaural sound pulse according to the experience debugging information optimization patient again.
The mechanical wave with enough potential energy and kinetic energy of the sound pulse in the sound pulse treatment scheme is periodically output through the earphone and is conducted into the external auditory canal through air, the mechanical wave is transmitted to the tympanic membrane in a vibration mode, the tympanic membrane transmits pulse pressure in a vibration mode to enter the middle ear cavity and get through the eustachian tube, so that the pressure sensing of the middle ear cavity, the eustachian tube, the round window membrane and the inner ear is regulated and controlled, the pressure on two sides of the tympanic membrane is gradually balanced, and the mechanical effect of sound pulse treatment is reflected; on the other hand, the tympanic membrane vibrates to drive the ossicular chain, the ossicular chain pushes the intracochlear lymph to vibrate and drives the intracochlear hair cells to periodically move, so that some hair cells in abnormal states are recovered to be normal, the hair cell movement generates electric signal potential fluctuation corresponding to the acoustic pulse and acts on the nervous systems of the middle ear and the inner ear, and the electric signal stimulation effect of the acoustic pulse nerve regulation and treatment is reflected; under the comprehensive action of the sound pulse induced mechanical vibration of the auditory pathway and the electrical signal regulation and control of the cochlea, the pressure on two sides of the tympanic membrane is rebalanced, and the auditory nerve system ear blocking perception is weakened or disappears.
(6) And (4) making and implementing a multi-course treatment scheme. Continuously performing acoustic pulse therapy, each time for 5-30 min, 2-5 times per day; for intractable ear stifled feeling patients, a multi-course acoustic pulse treatment scheme is formulated, 1-5 days are a course, and after each course is finished, parameters of the treatment scheme are adjusted and optimized in time according to changes of the state of an illness, so that the optimal treatment effect is achieved.
The system and the method for establishing the ear-stifling non-invasive acoustic pulse accurate treatment scheme have the beneficial effects that: according to the personalized detection result, a multichannel multi-modal acoustic pulse treatment scheme aiming at the difficult ear stifling feeling can be accurately formulated and implemented, the acoustic pulse with adjustable qualitative and quantitative properties can generate the mechanical vibration of an auditory pathway and the cochlear can be converted into an electric signal for regulation and control, so that the ear stifling feeling is weakened or disappears.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an accurate treatment scheme system of stifled sense noninvasive sound pulse of ear which characterized in that includes: the system comprises a sound sensitivity detection and pure tone hearing detection unit under common environmental noise of no more than 60dB, a hearing signal preprocessing unit, a multi-channel sound pulse treatment scheme manufacturing unit and a sound pulse treatment implementation unit; the hearing signal preprocessing unit receives detection information input by the sound sensitivity detection unit and the pure-tone hearing detection unit under common environmental noise, divides the detection information into a plurality of frequency bands according to the frequency range of the detection information, each frequency band corresponds to one signal processing channel, and respectively formulates individual single-mode sound pulses of each channel; the multi-channel sound pulse treatment scheme making unit is used for superposing or compounding sound pulses output by all channels to make a comprehensive multi-channel multi-modal sound pulse treatment scheme; the sound pulse treatment implementation unit periodically transmits personalized sound pulses into the external auditory canal according to a sound pulse treatment scheme, so that the middle ear pressure and auditory nerve perception are adjusted under the comprehensive action of the mechanical vibration of an auditory pathway induced by the sound pulses and the regulation and control of the cochlear conversion electric signals, the pressure on two sides of the tympanic membrane is gradually rebalanced, and the auditory nerve system ear stifling perception is weakened or disappeared.
2. A method for making an ear stifling non-invasive acoustic pulse accurate treatment scheme comprises the following steps: collecting clinical diagnostic information of a patient; acquiring voice allergy information according to a voice allergy test; the method comprises the steps that a sound sensitivity detection and pure tone hearing detection unit under common environmental noise of no more than 60dB obtains detection information of a sound sensitivity test and a hearing threshold test, and preprocesses the detection information to divide the detection information into a plurality of frequency bands according to a frequency range in the detection information, wherein each frequency band corresponds to one signal processing channel, and personalized single-mode sound pulses of each channel are formulated respectively; formulating a comprehensive multi-channel multi-modal sound pulse scheme according to the personalized sound pulse output by each channel; optimizing a multi-channel multi-modal sound pulse scheme according to experience debugging or treatment information of a patient; the multi-channel multi-modal sound pulse scheme is implemented in a mode that the left and/or right ear side earphones are respectively and periodically conducted into the external auditory meatus, so that the periodic management of the ear stifling sensation multi-course treatment is realized.
3. The method for preparing a precise treatment plan for ear-stifling non-invasive acoustic pulse according to claim 2, wherein the clinical diagnosis information for the ear-stifling symptoms of unilateral or bilateral ear diseases includes but is not limited to: the medical history information, the basic disease information, the image information and various scale evaluation information reflecting the mental state are used for diagnosing the causes of ear stuffiness.
4. The method for preparing a non-invasive acoustic pulse precise treatment scheme for the ear obstruction according to claim 2, wherein the sound allergy test is performed on the affected ear side under the condition of normal environmental noise of not more than 60dB, if sound allergy exists, a narrow-band noise desensitization scheme is prepared within the sound allergy frequency range of sound allergy frequency +/-50% and the sound intensity of the narrow-band noise desensitization scheme does not exceed the discomfort region of the pure sound test, sound desensitization treatment is performed, pure sound hearing threshold detection is performed after the sound desensitization treatment, and the non-invasive acoustic pulse precise treatment scheme for the ear obstruction is prepared and implemented.
5. The method of claim 2, wherein the extended high-frequency pure tone hearing threshold of 1Hz to 12KHz is detected on the affected ear side under the normal ambient noise condition of not more than 60dB, so as to obtain the lowest value of the external sound sensed by the patient in the wide frequency range of up to 12KHz as the hearing threshold, and obtain the upper limit of the sound intensity and the uncomfortable range acceptable to the patient.
6. The method for preparing a precise treatment scheme for the ear stifling non-invasive acoustic pulses according to claim 2, wherein the pre-processing of the detected information comprises: according to a pure tone hearing threshold diagram at the side of an ear with disease, dividing the frequency range from 1Hz to 12KHz into no more than 6 frequency ranges in a non-uniform way, wherein the number of the frequency ranges from 1Hz to 400Hz is no more than 3; setting up a plurality of independent signal processing channels of establishing the acoustic pulse signal corresponding with the frequency channel number, a channel corresponds a frequency channel, establishes single mode acoustic pulse in each channel: the intensity of the sound pulse is 5 to 80dB above the hearing threshold corresponding to the corresponding frequency band of the channel, the uncomfortable domain of the corresponding frequency band is measured by pure tones and is taken as the upper limit of the reference pulse, the frequency range of the sound pulse is 1Hz to 500Hz, the waveform of the sound pulse comprises but is not limited to triangular wave, rectangular wave and sawtooth wave, and the waveform adjustment comprises but is not limited to wave trough extension, variation period and waveform knock gap.
7. The method for preparing an ear stifling non-invasive acoustic pulse precise treatment scheme according to claim 6, wherein the output contribution weight of each channel is set according to the diagnosis information of ear stifling, and the single modal acoustic pulse output by each channel is superimposed or compounded according to the output contribution weight to form a multi-channel multi-modal acoustic pulse treatment scheme.
8. The method according to claim 7, wherein the acoustic pulse of the acoustic pulse treatment is periodically output through an earphone and conducted into the external auditory canal through air to generate a pulse pressure on the external side of the tympanic membrane to generate vibration, which induces the ossicular chain and auditory pathway connected to the internal side of the tympanic membrane to generate mechanical vibration, and the ossicular chain vibrates the cochlea to move cochlear hair cells to generate electrical signal changes corresponding to the acoustic pulse, so that the pressure on both sides of the tympanic membrane is rebalanced under the combined action of the mechanical vibration and the electrical signal change regulation, and the auditory nervous system ear blockage perception is weakened or eliminated.
9. The method for preparing an ear stifling non-invasive sound pulse accurate treatment plan according to claim 8, wherein the sound pulse played by the earphone is experienced by the patient at both ears, and the balance adjustment of the left and right ears is performed to prepare an optimized ear-stifling non-invasive sound pulse accurate treatment plan.
10. The clinical implementation of an ear-stifling non-invasive acoustic pulse precise treatment plan as claimed in claim 9, wherein the detection and diagnosis information is obtained periodically, and the parameters of the treatment plan are adjusted and optimized in time according to the detection and diagnosis information to make a treatment period and a treatment course.
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| CN108720994A (en) * | 2017-04-24 | 2018-11-02 | 无锡矽太益耳听力科技有限公司 | A kind of method and apparatus of multiband ping remodeling auditory nerve |
| CN212521769U (en) * | 2020-04-21 | 2021-02-12 | 陈一波 | Tinnitus diagnosis and treatment system of multi-channel waveform composite brain wave combined acoustic stimulation |
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| CN1663528A (en) * | 2005-03-25 | 2005-09-07 | 四川微迪数字技术有限公司 | Apparatus for tinnitus diagnosis and treatment |
| CN107041810A (en) * | 2017-03-30 | 2017-08-15 | 中山大学孙逸仙纪念医院 | A kind of tinnitus treatment system and therapeutic equipment stimulated based on pure tone |
| CN108720994A (en) * | 2017-04-24 | 2018-11-02 | 无锡矽太益耳听力科技有限公司 | A kind of method and apparatus of multiband ping remodeling auditory nerve |
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