Audio secondary playing method of air conduction hearing aid

Abstract

The invention relates to the field of hearing aids, in particular to an air conduction hearing aid audio secondary playing method which comprises a playing system which comprises an auxiliary module, a signal receiving module, a signal conversion module, a signal amplification module, a signal filtering module, a secondary playing module and a tone quality adjusting module. The playing system comprises a signal receiving module, a signal conversion module, a signal amplification module and a signal filtering module, a sound signal is received by adopting an air conduction hearing aid, the sound signal is converted into an electric signal, and the processed sound signal is transmitted to the auditory system in an air conduction mode after being amplified, filtered and the like; the method has the advantages of being easy and convenient to operate, remarkable in effect, high in adaptability and the like, secondary playing and adjusting are conducted on audios output by the hearing aid through the specific signal processing technology and hardware design, the tone quality is guaranteed, meanwhile, the using effect and comfort of the hearing aid are improved, and the requirements of different users for audio playing are met.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hearing aids, in particular to an air conduction hearing aid audio secondary playing method. BACKGROUND

[0002] The air conduction hearing aid is a kind of hearing aid device which transmits sound through air conduction, receives external sound through a microphone, and then outputs the sound to the user's ear through a loudspeaker after amplification processing. However, the existing air conduction hearing aid has some problems in audio playing. First, the distance between the microphone and the loudspeaker of the hearing aid is relatively short, which limits the direct propagation of the audio and results in poor sound quality. Second, the amplification processing of the hearing aid may make the volume of the audio too large, causing discomfort to the ear. Therefore, it is necessary to propose an air conduction hearing aid audio secondary playing method. SUMMARY

[0003] In view of the problems in the prior art, the application provides an air conduction hearing aid audio secondary playing method.

[0004] The technical scheme adopted by the application to solve the technical problem is: an air conduction hearing aid audio secondary playing method, comprising a playing system, the playing system comprising an auxiliary module, a signal receiving module, a signal conversion module, a signal amplification module, a signal filtering module, a secondary playing module and a sound quality adjusting module, the playing system comprising the signal receiving module, the signal conversion module, the signal amplification module, the signal filtering module, the secondary playing module and the sound quality adjusting module being electrically connected to each other and arranged inside the air conduction hearing aid, the signal receiving module receiving sound signals in the external environment through the air conduction hearing aid, and receiving signals from various different sources.

[0005] The signal conversion module converts the received sound signals into electrical signals through the air conduction hearing aid, so as to further process the electrical signals.

[0006] The signal amplification module amplifies the electrical signals through the built-in amplifier to meet the hearing needs of the hearing-impaired person. The amplification factor of the amplifier can be adjusted according to the hearing condition of the user.

[0007] The signal filtering module filters the amplified electrical signals to filter out noise and unwanted frequency components, and improves the clarity of the sound. The type and parameters of the filter can be selected and adjusted according to the needs of the user.

[0008] The secondary playing module transmits the electrical signals after amplification and filtering to the auditory system through air conduction, which can be air conduction, bone conduction, etc., to adapt to the hearing characteristics of different users.

[0009] The sound quality adjustment module adjusts the sound quality according to the user's auditory feedback to achieve the best auditory effect, and the sound quality adjustment module can include the adjustment of parameters such as pitch, volume, balance, etc.

[0010] The auxiliary module includes a wireless connection module, a speech recognition module, an adaptive adjustment module, and a battery optimization module. The wireless connection module allows the hearing aid to connect to the user's smartphone or other audio devices through Bluetooth or other wireless technologies. The speech recognition module integrates advanced speech recognition technology, allowing the hearing aid to automatically recognize and amplify the sounds the user wants to hear while suppressing background noise and other disturbances. The adaptive condition module has an environmental recognition sensor built-in, which automatically adjusts the audio settings based on the user's environment to provide the best auditory experience. The battery optimization module uses efficient digital signal processing algorithms and low-power hardware design to effectively extend the battery life of the hearing aid and reduce the frequency of battery replacement.

[0011] A method for using a gas-conduction hearing aid audio secondary playback method, comprising the following steps: S1: The signal receiving module of the gas-conduction hearing aid should be equipped with a high-performance microphone for capturing external sounds. The microphone can be a condenser microphone or a moving coil microphone, selected according to the volume and weight of the hearing aid. To improve the signal-to-noise ratio, the microphone can use noise suppression technology. S2: The signal conversion module includes an analog-to-digital converter for converting the analog sound signals captured by the microphone into digital signals. This module should also include a digital signal processing unit for initial processing of digital signals, such as automatic gain control and dynamic range compression. The signal amplification circuit should be designed with multiple channels to provide independent amplification for different frequency sound signals. S2: The signal amplification module can use analog amplifiers or digital amplification technology in digital signal processing. The design of the amplification circuit takes into account the non-linear distortion of the audio signal and uses efficient amplifier design to reduce power consumption. S3: The signal filtering module includes high-pass, low-pass, band-pass, and band-stop filters for removing noise and unwanted frequency components. The filters are designed in coordination with the frequency characteristics of the audio signal and the characteristics of the user's hearing loss, and can use noise cancellation techniques such as adaptive noise cancellers to further improve the signal-to-noise ratio. S4: The playback device in the secondary playback module can be a loudspeaker or a bone conduction device. If a loudspeaker is used, a high-fidelity unit should be selected to ensure clear and accurate sound quality. If a bone conduction device is used, a frequency response range suitable for human bone conduction characteristics should be selected. S5: The sound quality adjustment module allows users to adjust parameters such as volume, tone, balance, etc. according to personal preferences, which can be realized through physical buttons, touch screens or voice control. In order to simplify the operation, preset sound quality profiles can be provided, and users can select appropriate profiles according to different environments and hearing needs.

[0012] Advantages of the present application: The air conduction hearing aid audio secondary playback method provided by the present application receives sound signals through an air conduction hearing aid, converts the sound signals into electrical signals, and transmits the processed sound signals to the auditory system through air conduction after amplification, filtering and other processing. This method has the advantages of simple operation, remarkable effect, strong adaptability, etc. By using specific signal processing technology and hardware design, the secondary playback and adjustment of the output audio of the hearing aid are realized. This method can improve the use effect and comfort of the hearing aid while ensuring the sound quality, and meet the needs of different users for audio playback. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be further described below in conjunction with the drawings and examples.

[0014] Fig. 1 The overall flow structure diagram of the air conduction hearing aid audio secondary playback method provided by the present application is shown in the figure. Fig. 2 The flow structure diagram of the auxiliary module in the air conduction hearing aid audio secondary playback method provided by the present application is shown in the figure. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0016] As Figs. 1-2The application provides an air conduction hearing aid audio secondary playback method, which comprises a playback system, the playback system comprising an auxiliary module, a signal receiving module, a signal conversion module, a signal amplification module, a signal filtering module, a secondary playback module and an audio quality adjustment module, the signal receiving module, the signal conversion module, the signal amplification module, the signal filtering module and the secondary playback module being arranged in the air conduction hearing aid and being electrically connected with each other, the signal receiving module receiving sound signals in an external environment through the air conduction hearing aid, and receiving signals from various different sources; the signal conversion module converts the received sound signals into electric signals through the air conduction hearing aid, so that the electric signals are further processed; the signal amplification module amplifies the electric signals through a built-in amplifier, so as to meet the hearing needs of hearing-impaired people. The amplification multiple of the amplifier can be adjusted according to the hearing condition of a user; the signal filtering module filters the amplified electric signals, filters out noise and unnecessary frequency components, improves the clarity of the sound, and the type and parameters of the filter can be selected and adjusted according to the needs of the user; the secondary playback module transmits the electric signals amplified and filtered to the hearing system through the air conduction mode, and the air conduction mode can be air conduction, bone conduction and the like, so as to adapt to the hearing characteristics of different users; the audio quality adjustment module adjusts the audio quality according to the hearing feedback of the user, so as to achieve the best hearing effect, and the audio quality adjustment module can include the adjustment of parameters such as pitch, volume and balance; the auxiliary module comprises a wireless connection module, a speech recognition module, an adaptive adjustment module and a battery optimization module, the wireless connection module can connect the hearing aid to a smart phone or other audio equipment of the user through Bluetooth or other wireless technologies; the speech recognition module integrates advanced speech recognition technology, so that the hearing aid can automatically recognize and amplify the sound that the user wants to hear, while suppressing background noise and other interference; the adaptive adjustment module is provided with an environment recognition sensor, which automatically adjusts the audio setting according to the environment in which the user is located, so as to provide the best hearing experience; the battery optimization module adopts efficient digital signal processing algorithms and low-power hardware design, so that the battery life of the hearing aid can be effectively prolonged, and the frequency of battery replacement of the user can be reduced.

[0017] Embodiment: The hearing aid comprises a microphone, an amplifier, a digital signal processor, a speaker and a human-computer interface. The microphone receives external sound signals and converts them into electric signals input into the amplifier. The amplifier amplifies the electric signals to meet the hearing needs of the user. The amplified audio signals are input into the digital signal processor for digital filtering and equalization to adjust the audio quality and volume. The adjusted audio signals are output to the user's ear through the speaker. The user can adjust the volume and quality settings through the human-computer interface to obtain the best hearing experience.

[0018] Specific use: signal receiving module air conduction hearing aid should be equipped with high performance microphone, for capturing the sound of the outside world, microphone can be a condenser microphone or moving coil microphone, according to the volume and weight of the hearing aid selection, in order to improve the signal to noise ratio, the microphone can use noise suppression technology; Signal conversion module includes analog-digital converter, for converting the analog sound signal captured by the microphone into digital signal, the module should also include a digital signal processing unit, for the initial processing of digital signal, such as automatic gain control and dynamic range compression, signal amplification circuit should adopt multi-channel design, in order to provide independent amplification for different frequency sound signal; Signal amplification module can use analog amplifier or adopt digital amplification technology in digital signal processing, the design of amplification circuit takes into account the non-linear distortion of audio signal, and adopts high efficiency amplifier design to reduce power consumption; Signal filtering module includes high pass, low pass, band pass and band stop filter, for removing noise and unwanted frequency components, filter with the frequency characteristics of audio signal, and the characteristics of user's hearing loss, can use noise cancellation technology, such as adaptive noise canceller, to further improve the signal to noise ratio; The playing device in the secondary playing module can be a loudspeaker or a bone conduction device, if using a loudspeaker, a high fidelity unit should be selected to ensure the clarity and accuracy of the sound quality, if using a bone conduction device, the frequency response range suitable for the human bone conduction characteristics should be selected; Sound quality adjustment module allows users to adjust the volume, tone, balance and other parameters according to personal preference, which can be realized through physical buttons, touch screen or voice control, in order to simplify the operation, pre-set sound quality configuration file can be provided, and users can select the appropriate configuration file according to different environment and hearing needs.

[0019] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A method for using an air conduction hearing aid audio secondary playback method, characterized by: When using an air conduction hearing aid, a high-performance microphone is equipped in the signal receiving module of the air conduction hearing aid with a playback system to capture external sounds. The microphone can be a condenser microphone or a moving coil microphone, selected according to the volume and weight of the hearing aid. In order to improve the signal-to-noise ratio, the microphone can use noise suppression technology, and then cooperate with the digital converter in the signal conversion module. The digital signal processor is used to convert the analog sound signal captured by the microphone into a digital signal and perform initial processing on the digital signal. Automatic gain control and dynamic range compression are used to ensure maximum amplification of the sound signal in the later stage; At this time, cooperate with the signal amplification module, the signal amplification circuit should adopt multi-channel design to provide independent amplification for sound signals of different frequencies. The design of the amplification circuit should take into account the non-linear distortion of the audio signal and use an efficient amplifier design to reduce power consumption. At the same time, according to the signal filtering algorithm in the signal filtering module, high-pass, low-pass, band-pass and band-stop filters are used to remove noise and unwanted frequency components; At this time, the signal is matched with the playback device in the secondary playback module. The device can be a loudspeaker or a bone conduction device. If a loudspeaker is used, a high-fidelity unit should be selected to ensure clear and accurate sound quality. If a bone conduction device is used, a frequency response range suitable for the human body's bone conduction characteristics should be selected to provide a close secondary sound. In addition, the volume, tone, balance and other parameters can be adjusted according to personal preferences using the sound quality adjustment module. In order to simplify the operation, pre-set sound quality configuration files can be provided. Users can select appropriate configuration files according to different environments and hearing needs to maximize user usage.

2. An audio replay method for an air conduction hearing aid, characterized in that The playback system includes auxiliary modules, signal receiving modules, signal conversion modules, signal amplification modules, signal filtering modules, secondary playback modules, and sound quality adjustment modules. The playback system includes signal receiving modules, signal conversion modules, signal amplification modules, signal filtering modules, secondary playback modules, and sound quality adjustment modules, which are electrically connected to each other and arranged inside the air conduction hearing aid. The signal receiving module first receives sound signals in the external environment through the air conduction hearing aid, and receives signals from various different sources.

3. The method of claim 1, wherein the audio signal is a sound signal from a sound source. The signal conversion module converts the received sound signals into electrical signals through the air conduction hearing aid for further processing.

4. The method of claim 1, wherein the audio signal is a sound signal of an air conduction hearing aid. The signal amplification module amplifies the electrical signal through the built-in amplifier to meet the hearing needs of hearing-impaired people. The amplification factor of the amplifier can be adjusted according to the user's hearing condition.

5. The method of claim 1, wherein the audio signal is a sound signal. The signal filtering module filters out noise and unwanted frequency components by filtering the amplified electrical signal, improving the clarity of the sound. The type and parameters of the filter can be selected and adjusted according to the user's needs.

6. The method of claim 1, wherein the audio signal is a secondary audio signal of an air conduction hearing aid. The secondary playback module transmits the amplified and filtered electrical signal to the auditory system through air conduction. Air conduction can be air conduction, bone conduction, etc. to adapt to the hearing characteristics of different users.

7. The method of claim 1, wherein the audio signal is a sound from a gas guide hearing aid. The sound quality adjustment module adjusts the sound quality according to the auditory feedback of the user to achieve the best auditory effect, and the sound quality adjustment module can include the adjustment of parameters such as pitch, volume and balance.

8. The method of claim 1, wherein the audio signal is a secondary audio signal of an air conduction hearing aid. The auxiliary module includes a wireless connection module, a voice recognition module, an adaptive adjustment module and a battery optimization module.

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