CN114189795A - Hearing aid peak noise self-adaptive adjusting method and device - Google Patents
Hearing aid peak noise self-adaptive adjusting method and deviceDownload PDFInfo
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Abstract
Description
Technical Field
The embodiment of the invention relates to the technical field of hearing aids, in particular to a method and equipment for self-adaptive adjustment of peak noise of a hearing aid.
Background
The hearing aid is an important device for assisting a hearing impaired person to perform normal voice communication, the hearing impaired person is not usually in a very ideal environment in the process of communicating with other people, and various environmental noises always appear around the hearing impaired person. In some cases, the ambient noise bursts suddenly and has sharp energy peaks, which, if not accommodated, may cause non-restorative damage to the eardrum of the hearing impaired person. At present, the peak noise in the related hearing aid is mainly processed by means of suppressing the preset peak energy threshold, and due to the group specificity of hearing-impaired people, the hearing-impaired degree of each hearing-impaired person is different, so that the decibel range of the hearing experience of the hearing-impaired person does not have a basically fixed decibel range threshold as that of a normal person, so that the requirement of each hearing-impaired person cannot be met by the conventional means for suppressing the peak energy based on the preset peak energy threshold, which mainly means that the fixed preset peak energy threshold may be suitable for the hearing requirement of a general hearing-impaired person, but for a severe hearing-impaired person, the peak noise is suppressed by using the same preset peak energy threshold, so that the severe hearing-impaired person cannot receive the sound information which the person should receive, and vice versa. Therefore, it is an urgent technical problem in the art to develop a method and a device for adaptive adjustment of peak noise of a hearing aid, which can effectively overcome the above-mentioned drawbacks in the related art.
Disclosure of Invention
In view of the foregoing problems in the prior art, embodiments of the present invention provide a method and an apparatus for adaptive adjustment of hearing aid spike noise.
In a first aspect, an embodiment of the present invention provides a method for adaptive adjustment of hearing aid spike noise, including: controlling a simulation noise generator to generate first noises with different energy amplitudes in an initial state, and turning on a sound channel switch, wherein a brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; storing the brain wave model in a brain wave model generator and turning off a sound channel switch, wherein a sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through a volume adjuster, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to a power spectral density comparator; the power spectral density comparator compares the power spectral density of the first sub-brain wave in the second brain wave with the power spectral density of the second sub-brain wave, if the comparison result is larger than the sensitivity threshold, the volume adjuster is controlled to reduce the volume of the first external sound to obtain a second external sound, and the second external sound is sent to a brain wave model in the brain wave model generator; and the brain wave model generates a third brain wave according to the received second external sound, and sends the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub brain wave and a fourth sub brain wave in the third brain wave, if the comparison result is smaller than the sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to the hearing-impaired people.
On the basis of the content of the above method embodiment, in the hearing aid spike noise adaptive adjustment method provided in the embodiment of the present invention, the brain wave model generator constructs a brain wave model matching the hearing impaired person according to the first noise and the collected first brain wave, and includes: the method comprises the steps that a simulation noise generator generates first noise and stores the first noise in a brain wave model generator, a hearing-impaired person generates first brain waves after hearing the first noise, the first brain waves enter the brain wave model generator through an opened sound channel switch, the brain wave model generator sends the received first brain waves to a power spectrum density comparator, the power spectrum density comparator extracts alpha waves and beta waves in the first brain waves, and if the ratio of the power spectrum density of the beta waves to the power spectrum density of the alpha waves is equal to a sensitivity threshold, a brain wave model is constructed according to the power spectrum density of the first noise, the power spectrum density of the alpha waves in the first brain waves and the power spectrum density of the beta waves in the first brain waves.
Based on the above description of the embodiments of the method, the method for adaptively adjusting spike noise in a hearing aid according to an embodiment of the present invention, where the constructing of the brain wave model according to the power spectral density of the first noise, the power spectral density of the alpha wave in the first brain wave, and the power spectral density of the beta wave in the first brain wave includes:
wherein, K is a sensitive threshold value,
is the power spectral density of the beta wave in the first brain wave,
is a power spectral density of an alpha wave in the first brain wave, P is a power spectral density of the external sound, P1 is a power spectral density of the first noise,
is the power spectral density of the beta wave in the second brain wave,
is the power spectral density of the alpha wave in the second brain wave.
Based on the content of the foregoing method embodiment, in the hearing aid spike noise adaptive adjustment method provided in an embodiment of the present invention, the power spectral density comparator compares a first sub-brain wave power spectral density in a second brain wave with a second sub-brain wave power spectral density, and if a comparison result is greater than a sensitivity threshold, controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound, including: and the power spectral density comparator disperses the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, selects the power spectral density of a discrete beta wave of a discrete section to compare with the power spectral density of the discrete alpha wave of the discrete section, and controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitive threshold value.
Based on the above description of the embodiments of the method, in the method for adaptively adjusting peak noise of a hearing aid provided in an embodiment of the present invention, the power spectral density comparator discretizes the power spectral density of an alpha wave and the power spectral density of a beta wave in the second brain wave, and selects a discrete band of discrete beta waves to compare with the power spectral density of the discrete band of discrete alpha waves, and the method includes:
wherein Q is a comparison result of the power spectral density of a discrete section of discrete beta waves and the power spectral density of a discrete section of discrete alpha waves, M (z) is a discrete power spectral density mean value of beta waves in the second brain waves in a discrete frequency band z,
is a discrete value of the power spectral density of the beta wave in the second brain wave in the discrete frequency band z, N1 is a lower limit value of the discrete frequency band z, N2 is an upper limit value of the discrete frequency band z, y (w) is a discrete power spectral density average value of the alpha wave in the second brain wave in the discrete frequency band w,
the power spectral density of the alpha wave in the second brain wave is a discrete value in the discrete frequency band w, N3 is a lower limit value of the discrete frequency band w, and N4 is an upper limit value of the discrete frequency band w.
Based on the above disclosure of the method embodiment, in the hearing aid spike noise adaptive adjustment method provided in an embodiment of the present invention, after the comparing, by the power spectral density comparator, the power spectral density of the first sub-brain wave in the second brain wave with the power spectral density of the second sub-brain wave, the method further includes: and if the comparison result is smaller than the sensitivity threshold, opening a sound channel switch, and sending the first external sound to the hearing-impaired person by the brain wave model generator.
In a second aspect, an embodiment of the present invention provides a hearing aid spike noise adaptive adjustment system, including: the sound collector is used for collecting external sound except the hearing aid; the volume adjuster is used for adjusting the volume of the sound; the brain wave model generator is used for generating a brain wave model corresponding to the hearing level of the hearing impaired; the power spectral density comparator is used for comparing the power spectral density of a first sub-brain wave in the brain waves sent by the brain wave model with the power spectral density of a second sub-brain wave; the analog noise generator is used for generating first noises with different energy amplitudes and sending the first noises to the hearing-impaired people; the sound channel switch is used for forming a channel for the brain wave model generator to send external sound to the hearing-impaired person after being closed, and a channel for the brain wave model generator to receive brain waves of the hearing-impaired person; a controller for implementing the hearing aid spike noise adaptive adjustment method according to any one of the preceding method embodiments.
In a third aspect, an embodiment of the present invention provides a hearing aid spike noise adaptive adjustment apparatus, including: the first main module is used for controlling the analog noise generator to generate first noises with different energy amplitudes in an initial state and turning on a sound channel switch, and the brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; the second main module is used for storing the brain wave model in the brain wave model generator and closing the sound channel switch, the sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through the volume regulator, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to the power spectral density comparator; the third main module is used for comparing the first sub-brain wave power spectral density and the second sub-brain wave power spectral density in the second brain wave by the power spectral density comparator, controlling the volume adjuster to reduce the volume of the first external sound to obtain second external sound if the comparison result is larger than a sensitive threshold value, and sending the second external sound to a brain wave model in the brain wave model generator; and the fourth main module is used for generating a third brain wave according to the received second external sound by the brain wave model and sending the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub-brain wave in the third brain wave with a fourth sub-brain wave, and if the comparison result is smaller than a sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to hearing-impaired people.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the hearing aid spike noise adaptive adjustment method provided by any of the various implementations of the first aspect.
In a fifth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform a method for hearing aid spike noise adaptive adjustment as provided in any of the various implementations of the first aspect.
The hearing aid peak noise adaptive adjustment method and device provided by the embodiment of the invention generate a second brain wave by constructing a brain wave model matched with a hearing impaired person and sending a first external sound to the brain wave model, send the second brain wave to the power spectral density comparator, if the comparison result is greater than a sensitivity threshold, control the volume regulator to reduce the volume of the first external sound to obtain a second external sound, send the second external sound to the brain wave model and generate a third brain wave, if the comparison result of the third brain wave is less than the sensitivity threshold, determine the second external sound to be the sound acceptable by the hearing impaired person, can perform corresponding peak noise adjustment for the specific hearing impaired person, avoid the problem that the traditional hearing aid cannot be compatible with different disability grades due to the fact that a fixed preset peak energy threshold is set, and enhance the using generalization of the hearing aid, the experience degree of hearing aid users is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below to the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flow chart of a method for adaptive adjustment of peak noise of a hearing aid according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a peak noise adaptive adjustment apparatus for a hearing aid according to an embodiment of the present invention;
fig. 3 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hearing aid spike noise adaptive adjustment system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. In addition, technical features of various embodiments or individual embodiments provided by the present invention may be arbitrarily combined with each other to form a feasible technical solution, and such combination is not limited by the sequence of steps and/or the structural composition mode, but must be realized by a person skilled in the art, and when the technical solution combination is contradictory or cannot be realized, such a technical solution combination should not be considered to exist and is not within the protection scope of the present invention.
The embodiment of the invention provides a hearing aid spike noise adaptive adjustment method, and referring to fig. 1, the method comprises the following steps: controlling a simulation noise generator to generate first noises with different energy amplitudes in an initial state, and turning on a sound channel switch, wherein a brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; storing the brain wave model in a brain wave model generator and turning off a sound channel switch, wherein a sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through a volume adjuster, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to a power spectral density comparator; the power spectral density comparator compares the power spectral density of the first sub-brain wave in the second brain wave with the power spectral density of the second sub-brain wave, if the comparison result is larger than the sensitivity threshold, the volume adjuster is controlled to reduce the volume of the first external sound to obtain a second external sound, and the second external sound is sent to a brain wave model in the brain wave model generator; and the brain wave model generates a third brain wave according to the received second external sound, and sends the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub brain wave and a fourth sub brain wave in the third brain wave, if the comparison result is smaller than the sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to the hearing-impaired people. The first sub-brain wave is a beta wave in the human brain wave, and the second sub-brain wave is an alpha wave in the human brain wave. The sensitivity threshold is a ratio of beta wave power spectral density to alpha wave power spectral density in brain waves of hearing-impaired people when the hearing-impaired people are subjected to external noise interference, the ratio can be set according to the hearing levels of the hearing-impaired people with different hearing disability grades, the hearing-impaired people can be regarded as discomfort after being subjected to the noise interference when the hearing-impaired people are greater than or equal to 3.7, and specifically, the sensitivity threshold can be 3.8, 3.9 and 4.1.
Based on the content of the foregoing method embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment method provided in the embodiment of the present invention, where the brain wave model generator constructs a brain wave model matching a hearing impaired person according to the first noise and the collected first brain wave, includes: the method comprises the steps that a simulation noise generator generates first noise and stores the first noise in a brain wave model generator, a hearing-impaired person generates first brain waves after hearing the first noise, the first brain waves enter the brain wave model generator through an opened sound channel switch, the brain wave model generator sends the received first brain waves to a power spectrum density comparator, the power spectrum density comparator extracts alpha waves and beta waves in the first brain waves, and if the ratio of the power spectrum density of the beta waves to the power spectrum density of the alpha waves is equal to a sensitivity threshold, a brain wave model is constructed according to the power spectrum density of the first noise, the power spectrum density of the alpha waves in the first brain waves and the power spectrum density of the beta waves in the first brain waves.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for adaptively adjusting spike noise in a hearing aid provided in the embodiment of the present invention, where the constructing of the brain wave model according to the power spectral density of the first noise, the power spectral density of the alpha wave in the first brain wave, and the power spectral density of the beta wave in the first brain wave includes:
wherein, K is a sensitive threshold value,
is the power spectral density of the beta wave in the first brain wave,
is a power spectral density of an alpha wave in the first brain wave, P is a power spectral density of the external sound, P1 is a power spectral density of the first noise,
is the power spectral density of the beta wave in the second brain wave,
is the power spectral density of the alpha wave in the second brain wave.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for adaptively adjusting spike noise in a hearing aid provided in the embodiment of the present invention, where the power spectral density comparator compares a first sub-brain wave power spectral density in a second brain wave with a second sub-brain wave power spectral density, and if the comparison result is greater than a sensitivity threshold, controls the volume adjuster to decrease the volume of the first external sound to obtain the second external sound, includes: and the power spectral density comparator disperses the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, selects the power spectral density of a discrete beta wave of a discrete section to compare with the power spectral density of the discrete alpha wave of the discrete section, and controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitive threshold value.
Based on the content of the foregoing method embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment method provided in the embodiment of the present invention, where the power spectral density comparator disperses the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, and selects the power spectral density of a discrete section of discrete beta wave to compare with the power spectral density of the discrete section of discrete alpha wave, includes:
wherein Q is a comparison result of the power spectral density of a discrete section of discrete beta waves and the power spectral density of a discrete section of discrete alpha waves, M (z) is a discrete power spectral density mean value of beta waves in the second brain waves in a discrete frequency band z,
is a discrete value of the power spectral density of the beta wave in the second brain wave in the discrete frequency band z, N1 is a lower limit value of the discrete frequency band z, N2 is an upper limit value of the discrete frequency band z, y (w) is a discrete power spectral density average value of the alpha wave in the second brain wave in the discrete frequency band w,
the power spectral density of the alpha wave in the second brain wave is a discrete value in the discrete frequency band w, N3 is a lower limit value of the discrete frequency band w, and N4 is an upper limit value of the discrete frequency band w.
Specifically, see table 1, which shows that, when a hearing impaired person is exposed to a noisy environment noise, the sensitivity threshold K of the hearing impaired person is 3.8 after a test according to a comparison result Q of the power spectral density of a discrete beta wave in a discrete band and the power spectral density of a discrete alpha wave in the discrete band, in which brain wave changes at different times correspond to a peak noise adaptive adjustment hearing aid (i.e., a hearing aid a) and a conventional hearing aid (i.e., a hearing aid B) in an actual test.
TABLE 1
From the data in table 1, it can be concluded that none of the brain wave changes (i.e., Q values) of the hearing impaired people exceeded their sensitivity threshold after the use of the a hearing aid; after the B-hearing aid is used, except for time T6, the brain wave change (i.e., Q value) of the hearing impaired person exceeds its sensitivity threshold. Therefore, the hearing aid peak noise adaptive adjustment method and the related system provided by the embodiment of the invention can effectively inhibit the adverse effect of peak noise on hearing impaired people.
Based on the content of the foregoing method embodiment, as an optional embodiment, the method for adaptive adjustment of hearing aid spike noise provided in this embodiment of the present invention further includes, after the comparing, by the power spectral density comparator, the first sub-brain wave power spectral density in the second brain wave with the second sub-brain wave power spectral density: and if the comparison result is smaller than the sensitivity threshold, opening a sound channel switch, and sending the first external sound to the hearing-impaired person by the brain wave model generator.
The hearing aid peak noise adaptive adjustment method provided by the embodiment of the invention generates a second brain wave by constructing a brain wave model matched with hearing impaired people and sending a first external sound to the brain wave model, sends the second brain wave to the power spectral density comparator, controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitivity threshold, sends the second external sound to the brain wave model and generates a third brain wave, determines the second external sound to be a sound acceptable for hearing impaired people if the comparison result of the third brain wave is less than the sensitivity threshold, can perform corresponding peak noise adjustment for specific hearing impaired people, avoids the problem that the traditional hearing aid cannot be compatible with different hearing impaired grades due to the fact that a fixed preset peak energy threshold is set, and enhances the generalization of the use of the hearing aid, the experience degree of hearing aid users is improved.
An embodiment of the present invention provides a hearing aid spike noise adaptive adjustment system, referring to fig. 4, the system includes: the sound collector is used for collecting external sound except the hearing aid; the volume adjuster is used for adjusting the volume of the sound; the brain wave model generator is used for generating a brain wave model corresponding to the hearing level of the hearing impaired; the power spectral density comparator is used for comparing the power spectral density of a first sub-brain wave in the brain waves sent by the brain wave model with the power spectral density of a second sub-brain wave; the analog noise generator is used for generating first noises with different energy amplitudes and sending the first noises to the hearing-impaired people; the sound channel switch is used for forming a channel for the brain wave model generator to send external sound to the hearing-impaired person after being closed, and a channel for the brain wave model generator to receive brain waves of the hearing-impaired person; a controller for implementing the hearing aid spike noise adaptive adjustment method according to any one of the preceding method embodiments.
The implementation basis of the various embodiments of the present invention is realized by programmed processing performed by a device having a processor function. Therefore, in engineering practice, the technical solutions and functions thereof of the embodiments of the present invention can be packaged into various modules. Based on this reality, on the basis of the above embodiments, embodiments of the present invention provide a hearing aid spike noise adaptive adjustment apparatus, which is used for executing the hearing aid spike noise adaptive adjustment method in the above method embodiments. Referring to fig. 2, the apparatus includes: the first main module is used for controlling the analog noise generator to generate first noises with different energy amplitudes in an initial state and turning on a sound channel switch, and the brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; the second main module is used for storing the brain wave model in the brain wave model generator and closing the sound channel switch, the sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through the volume regulator, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to the power spectral density comparator; the third main module is used for comparing the first sub-brain wave power spectral density and the second sub-brain wave power spectral density in the second brain wave by the power spectral density comparator, controlling the volume adjuster to reduce the volume of the first external sound to obtain second external sound if the comparison result is larger than a sensitive threshold value, and sending the second external sound to a brain wave model in the brain wave model generator; and the fourth main module is used for generating a third brain wave according to the received second external sound by the brain wave model and sending the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub-brain wave in the third brain wave with a fourth sub-brain wave, and if the comparison result is smaller than a sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to hearing-impaired people.
The hearing aid peak noise adaptive adjustment device provided by the embodiment of the invention adopts a plurality of modules in fig. 2, generates a second brain wave by constructing a brain wave model matched with a hearing impaired person and sending a first external sound to the brain wave model, sends the second brain wave to the power spectral density comparator, controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitivity threshold, sends the second external sound to the brain wave model to generate a third brain wave, determines the second external sound to be a sound acceptable by the hearing impaired person if the comparison result of the third brain wave is less than the sensitivity threshold, can adjust the peak noise corresponding to the specific hearing impaired person, avoids the difficult problem that the traditional hearing aid cannot be compatible with different hearing impaired levels due to the fact that a fixed preset peak energy threshold is set, and enhances the generalization of the use of the hearing aid, the experience degree of hearing aid users is improved.
It should be noted that, the apparatus in the apparatus embodiment provided by the present invention may be used for implementing methods in other method embodiments provided by the present invention, except that corresponding function modules are provided, and the principle of the apparatus embodiment provided by the present invention is basically the same as that of the apparatus embodiment provided by the present invention, so long as a person skilled in the art obtains corresponding technical means by combining technical features on the basis of the apparatus embodiment described above, and obtains a technical solution formed by these technical means, on the premise of ensuring that the technical solution has practicability, the apparatus in the apparatus embodiment described above may be modified, so as to obtain a corresponding apparatus class embodiment, which is used for implementing methods in other method class embodiments. For example:
based on the content of the above device embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment device provided in the embodiment of the present invention further includes: the first submodule is used for realizing that the brain wave model generator constructs a brain wave model matched with the hearing impaired person according to the first noise and the collected first brain wave, and comprises: the method comprises the steps that a simulation noise generator generates first noise and stores the first noise in a brain wave model generator, a hearing-impaired person generates first brain waves after hearing the first noise, the first brain waves enter the brain wave model generator through an opened sound channel switch, the brain wave model generator sends the received first brain waves to a power spectrum density comparator, the power spectrum density comparator extracts alpha waves and beta waves in the first brain waves, and if the ratio of the power spectrum density of the beta waves to the power spectrum density of the alpha waves is equal to a sensitivity threshold, a brain wave model is constructed according to the power spectrum density of the first noise, the power spectrum density of the alpha waves in the first brain waves and the power spectrum density of the beta waves in the first brain waves.
Based on the content of the above device embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment device provided in the embodiment of the present invention further includes: a second sub-module, configured to implement the constructing of the brain wave model according to the power spectral density of the first noise, the power spectral density of the alpha waves in the first brain waves, and the power spectral density of the beta waves in the first brain waves, including:
wherein, K is a sensitive threshold value,
is the power spectral density of the beta wave in the first brain wave,
is a power spectral density of an alpha wave in the first brain wave, P is a power spectral density of the external sound, P1 is a power spectral density of the first noise,
is the power spectral density of the beta wave in the second brain wave,
is the power spectral density of the alpha wave in the second brain wave.
Based on the content of the above device embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment device provided in the embodiment of the present invention further includes: the third sub-module is configured to compare the power spectral density comparator with a first sub-brain wave power spectral density in a second brain wave, and if a comparison result is greater than a sensitivity threshold, control the volume adjuster to reduce the volume of the first external sound to obtain a second external sound, and includes: and the power spectral density comparator disperses the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, selects the power spectral density of a discrete beta wave of a discrete section to compare with the power spectral density of the discrete alpha wave of the discrete section, and controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitive threshold value.
Based on the content of the above device embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment device provided in the embodiment of the present invention further includes: a fourth sub-module, configured to enable the power spectral density comparator to discretize the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, and select a discrete band of discrete beta waves to compare with the power spectral density of the discrete band of discrete alpha waves, where the method includes:
wherein Q is a comparison result of the power spectral density of a discrete section of discrete beta waves and the power spectral density of a discrete section of discrete alpha waves, M (z) is a discrete power spectral density mean value of beta waves in the second brain waves in a discrete frequency band z,
is a discrete value of the power spectral density of the beta wave in the second brain wave in the discrete frequency band z, N1 is a lower limit value of the discrete frequency band z, N2 is an upper limit value of the discrete frequency band z, y (w) is a discrete power spectral density average value of the alpha wave in the second brain wave in the discrete frequency band w,
the power spectral density of the alpha wave in the second brain wave is a discrete value in the discrete frequency band w, N3 is a lower limit value of the discrete frequency band w, and N4 is an upper limit value of the discrete frequency band w.
Based on the content of the above device embodiment, as an optional embodiment, the hearing aid spike noise adaptive adjustment device provided in the embodiment of the present invention further includes: a fifth sub-module, configured to, after the power spectral density comparator compares the first sub-brain wave power spectral density in the second brain wave with the second sub-brain wave power spectral density, further include: and if the comparison result is smaller than the sensitivity threshold, opening a sound channel switch, and sending the first external sound to the hearing-impaired person by the brain wave model generator.
The method of the embodiment of the invention is realized by depending on the electronic equipment, so that the related electronic equipment is necessarily introduced. To this end, an embodiment of the present invention provides an electronic apparatus, as shown in fig. 3, including: the system comprises at least one processor (processor), a communication Interface (communication Interface), at least one memory (memory) and a communication bus, wherein the at least one processor, the communication Interface and the at least one memory are communicated with each other through the communication bus. The at least one processor may invoke logic instructions in the at least one memory to perform all or a portion of the steps of the methods provided by the various method embodiments described above.
In addition, the logic instructions in the at least one memory may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the method embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Based on this recognition, each block in the flowchart or block diagrams may represent a module, a program segment, or a portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In this patent, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A hearing aid spike noise adaptive adjustment method, comprising: controlling a simulation noise generator to generate first noises with different energy amplitudes in an initial state, and turning on a sound channel switch, wherein a brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; storing the brain wave model in a brain wave model generator and turning off a sound channel switch, wherein a sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through a volume adjuster, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to a power spectral density comparator; the power spectral density comparator compares the power spectral density of the first sub-brain wave in the second brain wave with the power spectral density of the second sub-brain wave, if the comparison result is larger than the sensitivity threshold, the volume adjuster is controlled to reduce the volume of the first external sound to obtain a second external sound, and the second external sound is sent to a brain wave model in the brain wave model generator; and the brain wave model generates a third brain wave according to the received second external sound, and sends the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub brain wave and a fourth sub brain wave in the third brain wave, if the comparison result is smaller than the sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to the hearing-impaired people.
2. The adaptive hearing aid spike noise adjustment method according to claim 1, wherein the brain wave model generator constructs a brain wave model matching the hearing impaired person according to the first noise and the collected first brain wave, and comprises: the method comprises the steps that a simulation noise generator generates first noise and stores the first noise in a brain wave model generator, a hearing-impaired person generates first brain waves after hearing the first noise, the first brain waves enter the brain wave model generator through an opened sound channel switch, the brain wave model generator sends the received first brain waves to a power spectrum density comparator, the power spectrum density comparator extracts alpha waves and beta waves in the first brain waves, and if the ratio of the power spectrum density of the beta waves to the power spectrum density of the alpha waves is equal to a sensitivity threshold, a brain wave model is constructed according to the power spectrum density of the first noise, the power spectrum density of the alpha waves in the first brain waves and the power spectrum density of the beta waves in the first brain waves.
3. The hearing aid spike noise adaptive adjustment method according to claim 2, wherein constructing the brain wave model according to the power spectral density of the first noise, the power spectral density of the alpha wave in the first brain wave, and the power spectral density of the beta wave in the first brain wave comprises:
wherein, K is a sensitive threshold value,
is the power spectral density of the beta wave in the first brain wave,
is a power spectral density of an alpha wave in the first brain wave, P is a power spectral density of the external sound, P1 is a power spectral density of the first noise,
is the power spectral density of the beta wave in the second brain wave,
is the power spectral density of the alpha wave in the second brain wave.
4. The adaptive hearing aid spike noise adjustment method according to claim 3, wherein the power spectral density comparator compares a first sub-brain wave power spectral density with a second sub-brain wave power spectral density in a second brain wave, and if the comparison result is greater than a sensitivity threshold, the method controls the volume adjuster to decrease the volume of the first external sound to obtain a second external sound, and comprises: and the power spectral density comparator disperses the power spectral density of the alpha wave and the power spectral density of the beta wave in the second brain wave, selects the power spectral density of a discrete beta wave of a discrete section to compare with the power spectral density of the discrete alpha wave of the discrete section, and controls the volume adjuster to reduce the volume of the first external sound to obtain a second external sound if the comparison result is greater than a sensitive threshold value.
5. The adaptive hearing aid spike noise adjustment method according to claim 4, wherein the power spectral density comparator discretizes the power spectral density of alpha waves and the power spectral density of beta waves in the second brain waves, and selects a discrete section of discrete beta waves to compare with the power spectral density of the discrete section of discrete alpha waves, and the method comprises:
wherein Q is a comparison result of the power spectral density of a discrete section of discrete beta waves and the power spectral density of a discrete section of discrete alpha waves, M (z) is a discrete power spectral density mean value of beta waves in the second brain waves in a discrete frequency band z,
is a discrete value of the power spectral density of the beta wave in the second brain wave in the discrete frequency band z, N1 is a lower limit value of the discrete frequency band z, N2 is an upper limit value of the discrete frequency band z, y (w) is a discrete power spectral density average value of the alpha wave in the second brain wave in the discrete frequency band w,
the power spectral density of the alpha wave in the second brain wave is a discrete value in the discrete frequency band w, N3 is a lower limit value of the discrete frequency band w, and N4 is an upper limit value of the discrete frequency band w.
6. The adaptive hearing aid spike noise adjustment method according to claim 5, wherein after the comparing the power spectral density comparator compares the first sub-brain wave power spectral density with the second sub-brain wave power spectral density, the method further comprises: and if the comparison result is smaller than the sensitivity threshold, opening a sound channel switch, and sending the first external sound to the hearing-impaired person by the brain wave model generator.
7. A hearing aid spike noise adaptive adjustment system, comprising: the sound collector is used for collecting external sound except the hearing aid; the volume adjuster is used for adjusting the volume of the sound; the brain wave model generator is used for generating a brain wave model corresponding to the hearing level of the hearing impaired; the power spectral density comparator is used for comparing the power spectral density of a first sub-brain wave in the brain waves sent by the brain wave model with the power spectral density of a second sub-brain wave; the analog noise generator is used for generating first noises with different energy amplitudes and sending the first noises to the hearing-impaired people; the sound channel switch is used for forming a channel for the brain wave model generator to send external sound to the hearing-impaired person after being closed, and a channel for the brain wave model generator to receive brain waves of the hearing-impaired person; a controller for implementing the hearing aid spike noise adaptive adjustment method according to any one of claims 1 to 6.
8. A hearing aid spike noise adaptive adjustment apparatus, comprising: the first main module is used for controlling the analog noise generator to generate first noises with different energy amplitudes in an initial state and turning on a sound channel switch, and the brain wave model generator constructs a brain wave model matched with a hearing impaired person according to the first noises and the collected first brain waves; the second main module is used for storing the brain wave model in the brain wave model generator and closing the sound channel switch, the sound collector collects first external sound and sends the first external sound to the brain wave model in the brain wave model generator through the volume regulator, and the brain wave model generates second brain waves according to the received first external sound and sends the second brain waves to the power spectral density comparator; the third main module is used for comparing the first sub-brain wave power spectral density and the second sub-brain wave power spectral density in the second brain wave by the power spectral density comparator, controlling the volume adjuster to reduce the volume of the first external sound to obtain second external sound if the comparison result is larger than a sensitive threshold value, and sending the second external sound to a brain wave model in the brain wave model generator; and the fourth main module is used for generating a third brain wave according to the received second external sound by the brain wave model and sending the third brain wave to the power spectral density comparator, the power spectral density comparator compares a third sub-brain wave in the third brain wave with a fourth sub-brain wave, and if the comparison result is smaller than a sensitivity threshold, the sound channel switch is turned on, and the brain wave model generator sends the second external sound to hearing-impaired people.
9. An electronic device, comprising:
at least one processor, at least one memory, and a communication interface; wherein,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 6.
10. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1 to 6.
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