CN101778330A - Mobile phone platform-based array microphone hearing aid and control method thereof - Google Patents

Mobile phone platform-based array microphone hearing aid and control method thereof Download PDF

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Publication number
CN101778330A
CN101778330A CN200910264141A CN200910264141A CN101778330A CN 101778330 A CN101778330 A CN 101778330A CN 200910264141 A CN200910264141 A CN 200910264141A CN 200910264141 A CN200910264141 A CN 200910264141A CN 101778330 A CN101778330 A CN 101778330A
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module
array microphone
mobile phone
process chip
dsp process
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CN101778330B (en
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李致金
乔杰
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Nanjing China Spacenet Telecom Co Ltd
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Nanjing University of Information Science and Technology
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Abstract

The invention discloses a mobile phone platform-based array microphone hearing aid and a control method thereof. The mobile phone platform comprises a mobile phone body, a DSP processing chip arranged in the mobile phone body, and a power supply module, an output module and a communication module which are controlled by the DSP processing chip respectively; and the mobile phone platform also comprises an SIM card module, an input module, a microprocessor, a storage module, an array microphone, a Bluetooth transmitting module, an external interface and a far-end module. According to the method, sound signals acquired by the microphone array are processed by the DSP in the mobile phone platform, so sound signals with higher signal-to-noise ratio and speech intelligibility can be obtained; and the sound signals are transmitted to wireless headphones worn by a user in ears in a wireless transmission mode. The mobile phone platform-based array microphone hearing aid has higher economy, facilitates the operation and control of a user, and is not easy to disturb.

Description

Array microphone hearing aid and control method thereof based on cell phone platform
Technical field
Invention relates to a kind of array microphone hearing aid and control method thereof based on cell phone platform, belongs to the technical field of digital hearing aid device.
Background technology
The composition of digital hearing aid device mainly contains microphone as shown in Figure 1, preamplifier, and frequency overlapped-resistable filter, A/D converter, digital filter, microprocessor, D/A converter, anti-mirror filter and earphone constitute.Microphone is the vitals in the hearing aids, and its effect is to pick up the external sound signal and be converted to the signal of telecommunication.What for a long time, microphone used all is single, omnidirectional microphone.This microphone is merely able to omnidirectional and adopts sound in the hearing aids use, and the sound that promptly picks up does not concentrate on certain direction, but all sound in the whole zone are picked up together, comprises not wishing the noise source received.But in actual use, people usually only in these sound sources certain or certain several interested.In order to address this problem, current advanced digital deaf-aid system has adopted the directivity technology based on microphone array.After adopting the directivity technology, the microphone of digital deaf-aid can focus on the collection direction of sound interested certain or certain the several directions of user, as shown in Figure 2.More representational in this series products have: " necklace " formula digital deaf-aid of the Bernard professor Widrow invention of Stanford Univ USA, as shown in Figure 3, and " glasses " formula digital deaf-aid of Dutch Varibel and the joint development of Philips company, as shown in Figure 4.From top diagram we as can be seen, these two kinds of digital deaf-aids are owing to adopted array microphone system based on the directivity technology, thereby their noise inhibiting ability is greatly improved.But these two kinds of directional digital hearing aid device systems have limitation separately respectively: " necklace " formula digital deaf-aid requires to adorn oneself with the annular " necklace " of carrying a volume " huge " at collar, owing to be provided with array microphone and DSP treatment system in " necklace ", thus its volume can not do very little; " glasses " formula digital deaf-aid volume is accepted than the easier people of allowing of " necklace " formula, but the hearing aids of this form requires the wearer to possess the custom of wearing spectacles, and giving " glasses " charging simultaneously also is the individual vexatious thing of wearer that allows.
Summary of the invention
The present invention seeks to provides a kind of array microphone hearing aid and control method thereof based on cell phone platform at the defective that prior art exists.
The present invention adopts following technical scheme for achieving the above object:
The present invention is based on the array microphone hearing aid of cell phone platform, described cell phone platform comprises mobile phone body, be arranged at DSP process chip in the mobile phone body and the power module of controlling respectively by the DSP process chip, output module and communication module, also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone, the bluetooth sending module, external interface and remote end module, wherein remote end module is made of bluetooth receiver module serial connection earphone, array microphone is distributed on the mobile phone body both sides, array microphone intercoms mutually with the DSP process chip, the bluetooth sending module, external interface, memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, the DSP process chip intercoms mutually with microprocessor, and the bluetooth sending module is in bluetooth receiver module radio communication.
Array microphone hearing aid based on cell phone platform, described cell phone platform comprises mobile phone body, be arranged at DSP process chip in the mobile phone body and the power module of controlling respectively by the DSP process chip, output module and communication module, also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone, external interface and remote end module, wherein remote end module is connected in series wireless receiver successively by reception antenna, earphone constitutes, array microphone is distributed on the mobile phone body both sides, array microphone intercoms mutually with the DSP process chip, external interface, memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, and the DSP process chip intercoms mutually with microprocessor.
Described array microphone hearing aid based on cell phone platform, it is characterized in that described DSP process chip is connected in series filtration module, signal amplification module and signal enhancement module successively by the A/D modular converter and constitutes, wherein A/D modular converter and the two-way communication of DSP process chip, the input of the output termination bluetooth sending module of signal enhancement module.
Described array microphone hearing aid based on cell phone platform is characterized in that also being provided with on the mobile phone body adaptive array pointing system, between described adaptive array pointing system serial connection and array microphone and the DSP process chip.
The control method of described array microphone hearing aid based on cell phone platform is characterized in that described method is as follows:
Array microphone: the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone obtains, and adjust the directional mode of array microphone accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone is obtained is to microprocessor;
Microprocessor: just be sent to remote end module by the bluetooth sending module after voice signal process filtering successively, amplification and the reinforcement that array microphone obtains;
Remote end module: adopt the bluetooth receiver module to receive the voice signal that the bluetooth sending module sends, and by the earphone signal that plays sound.
The control method of described array microphone hearing aid based on cell phone platform is characterized in that described method is as follows:
Array microphone: the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone obtains, and adjust the directional mode of array microphone accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone is obtained is to microprocessor;
Microprocessor: just the voice signal that obtains of array microphone is successively through filtering, amplification and strengthen the logical DSP process chip that feeds back in back, the DSP process chip successively by behind communication module, reception antenna, the wireless receiver by the earphone signal that plays sound.
The present invention is provided with microphone array on mobile phone, realize the digital hearing aid function simultaneously on cell phone platform.Mobile phone has had the function of wireless communication and digital hearing aid concurrently.Mobile phone finish on the one hand by wireless communication protocol and the base station between radio communication function, to be arranged on the signal that the microphone on the mobile phone picks up on the other hand and be sent to wireless headset by wave point, thereby finish the digital hearing aid function through processing such as A/D conversion, filtering, de-noising, amplification and reinforcements.
Second aspect, the treatment system that on mobile phone, is provided with microphone array and realizes adaptive direction de-noising function.At first, handset size is enough big, has enough physical spaces for us the microphone array of proper topologies structure to be set, and this microphone array is the physical basis that we realize the directivity noise suppressed; Secondly, we are provided with the adaptive array pointing system on the signal processing platform of mobile phone, and changing system can follow the trail of and the analysis noise source according to the residing actual noise environment of user, and adjusts the directional mode of array accordingly, and noise source is foreclosed all the time.
The third aspect, the present invention is provided with wireless headset, and the wireless receiver in this wireless headset receives by wireless channel and comes from the voice signal that wireless transmitter sent that is arranged on the mobile phone.Because all Digital Signal Processing functions are all finished on cell phone platform, so the structure in the wireless headset is very simple, all formation includes only wireless receiver and earphone.Therefore, this wireless headset can be realized In-Ear fully with lower cost.
Fourth aspect, convenient the controlling of hearing aids is an insoluble problem always.The core DSP processing unit of hearing aids of the present invention is arranged in mobile phone, the signal processing system relevant with hearing-aid function all is set in the mobile phone, far-end wireless headset module is only finished the task of receiving the wireless speech signal, so all personalization configurations and user's Control work can be finished on mobile phone.Because cell phone platform self has just disposed abundant man-machine interface, it is just easier to finish these tasks on mobile phone again.The technical staff can finish personalized configuration service to the user by the data-interface of mobile phone, and the user can finish general simply controlling by keyboard, for example volume control and scene conversion.Further, the user also can finish more complicated the controlling of hearing aids, for example upgrading of software systems and renewal by private subscribers software on PC by the data in mobile phone interface.
Description of drawings
Fig. 1 is a typical digital deaf-aid composition frame chart.
Fig. 2 is a hearing aids work schematic diagram after the employing directional microphone technology.
Fig. 3 is " necklace " formula digital deaf-aid of the Bernard professor Widrow invention of Stanford Univ USA.
Fig. 4 is that Dutch Varibel and Philips company develop jointly " glasses " formula digital deaf-aid.
Fig. 5 is the array microphone hearing aid schematic diagram based on cell phone platform of the present invention.
Fig. 6 is a structure composition frame chart of the present invention.
Fig. 7 is the microprocessor schematic diagram.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to invention:
Fig. 5 shows the array microphone hearing aid based on cell phone platform.Described mobile phone 1 is by keyboard 2 and display screen 3 complete operations.Array microphone 4 is set at the mobile phone both sides according to suitable topological structure, finishes the directivity hit detect function to voice signal.The voice signal that picks up via array microphone 4 is admitted to the DSP processing unit in the mobile phone, and the DSP processing unit is finished the core processing function of digital deaf-aid: directivity filtering, amplify processing such as enhancing.Treated voice signal is admitted to wireless base station apparatus 5, sends to radio communication base station by transmitting antenna 6.
Remote end module 8 is made of bluetooth receiver module serial connection earphone 11.Reception antenna 9 receives the wireless signal that transmitting antenna 6 is sent here by wireless channel, and this signal is admitted to wireless receiver 10, reverts to analog voice signal after treatment.This analog voice signal is admitted to earphone 11, is converted to acoustic signals by earphone 11 and sends into people's ear.More than the wireless receiving module 8 formed of 3 parts reach In-Ear size class, thereby make this module can realize pleasant hiding.
Keyboard 2 and display screen 3 on the cell phone platform provide human-computer interaction function for the user when the user receives calls.When mobile phone 1 was realized the digital hearing aid function, keyboard 2 and display screen 3 can be used as the man-machine interface that the user controls digital deaf-aid again, for the user provides such as functions such as scene switching, gain controlling.
Data-interface 7 on the cell phone platform can be used as user and technical staff to carry out complexity to mobile phone and controls interface with transfer of data.Simultaneously, when the technical staff joined hearing aids for the user tests, this interface can also be regulated and control the interface of hearing aids index as the technical staff.In the daily use of user, when the user need carry out complexity when controlling to hearing aids, when for example carrying out software upgrading and parameter adjustment, this data-interface also can be used as user interface and occurs.
Fig. 6 has provided the structure composition diagram of the more detailed complexity of the array microphone hearing aid based on cell phone platform of the present invention.DSP1 and microprocessor 2 are core control treatment parts of mobile phone, and the relevant control and the processing of wireless calling and digital hearing aid are all finished by these two parts.Array microphone hearing aid based on cell phone platform, described cell phone platform comprises mobile phone body 1, be arranged at DSP process chip in the mobile phone body 1 and the power module of controlling respectively by the DSP process chip, output module and communication module 5, also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone 4, the bluetooth sending module, external interface 7 and remote end module 8, wherein remote end module 8 is made of bluetooth receiver module serial connection earphone 11, array microphone 4 is distributed on mobile phone body 1 both sides, array microphone 4 intercoms mutually with the DSP process chip, the bluetooth sending module, external interface 7, memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, the DSP process chip intercoms mutually with microprocessor, and the bluetooth sending module is in bluetooth receiver module radio communication.
Array microphone hearing aid based on cell phone platform, described cell phone platform comprises mobile phone body 1, be arranged at DSP process chip in the mobile phone body 1 and the power module of controlling respectively by the DSP process chip, output module and communication module 5, also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone 4, external interface 7 and remote end module 8, wherein remote end module 8 is connected in series wireless receiver 10 successively by reception antenna 9, earphone 11 constitutes, array microphone 4 is distributed on mobile phone body 1 both sides, array microphone 4 intercoms mutually with the DSP process chip, external interface 7, memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, and the DSP process chip intercoms mutually with microprocessor.
Described array microphone hearing aid based on cell phone platform, it is characterized in that described DSP process chip is connected in series filtration module, signal amplification module and signal enhancement module successively by the A/D modular converter and constitutes, wherein A/D modular converter and the two-way communication of DSP process chip, the input of the output termination bluetooth sending module of signal enhancement module.
Described array microphone hearing aid based on cell phone platform is characterized in that also being provided with on the mobile phone body 1 the adaptive array pointing system, between described adaptive array pointing system serial connection and array microphone 4 and the DSP process chip.
The control method of the array microphone hearing aid of described cell phone platform based on the remote end module 8 that is made of bluetooth receiver module serial connection earphone 11 is characterized in that described method is as follows:
Array microphone 4: the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone 4 obtains, and adjust the directional mode of array microphone 4 accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone 4 is obtained is to microprocessor;
Microprocessor: just be sent to remote end module 8 by the bluetooth sending module after voice signal process filtering successively, amplification and the reinforcement that array microphone 4 obtains;
Remote end module 8: adopt the bluetooth receiver module to receive the voice signal that the bluetooth sending module sends, and by earphone 11 signal that plays sound.
The control method of described array microphone hearing aid based on the cell phone platform that is connected in series the remote end module 8 that wireless receiver 10, earphone 11 constitute by reception antenna 9 successively is characterized in that described method is as follows:
Array microphone 4: the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone 4 obtains, and adjust the directional mode of array microphone 4 accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone 4 is obtained is to microprocessor;
Microprocessor: just the voice signal that obtains of array microphone 4 is successively through filtering, amplification and strengthen the logical DSP process chip that feeds back in back, the DSP process chip successively by communication module, reception antenna 9, wireless receiver 10 backs by earphone 11 signal that plays sound.
Communication module 5 is by base band, and 3 parts of radio frequency and wireless receiving and dispatching antenna are formed, and the wireless signal of mobile phone and base station contact all is via these communication module 5 transmitting-receivings.Memory module 4 is made up of flash memory and SRAM two parts, in the memory module except have the necessary data of radio communication and the instruction, most programs and the data relevant with the digital hearing aid function also are stored in here, and this configuration can very convenient user manages hearing aid software and upgrades.The SIM card module is made up of card management and SIM card two parts, and this module major function is storage user's identity information and a related data, and the access mobile communication net legal for the user provides authentication.Input module has comprised keyboard and touch-screen, and these two parts can provide inputting interface flexibly for the user.The task that this input module is born comprises two: when 1) user carries out wireless calling and answers, for the user provides human-computer interaction interface; 2) when the user need when controlling, input module provides an operation and control interface easily for the user to the correlation function (for example gain controlling, scene switching etc.) of digital deaf-aid.External interface 7 mainly is made of data-interface, and this data-interface is also mainly born 3 tasks: when 1) user need upgrade the personal data in the memory, can realize by this interface; When 2) technical staff joined hearing aids for the user tests, this interface can be used as technical staff's operating and controlling interface, to the relevant parameter adjustment of hearing aids; 3) user can independently finish the updating operation of hearing aid software by this data-interface.Power module 8 is made up of power management and two parts of battery, and this module is mainly born the task into each subsystem power supply of cell phone platform, and this module is wanted and can reasonably be divided power distributing amount according to the demand of each subsystem.Output module is made up of sound module and LCD 3 two parts, and this module is being born the function that acoustic information and visual information are provided for the user.Need to prove that the acoustic information here mainly is meant the acoustic information relevant with wireless calling, and when the user opened hearing-aid function, the acoustic information here all was sent to the far-end wireless headset, the voice output of this module is closed.Microphone array module 4 provides a group pattern microphone for hearing aids, this group microphone provides a group pattern voice signal for realizing directivity filtering, under the acting in conjunction of the adaptive direction filtering algorithm in this module and DSP module, filter can be realized automatic tracking and the analysis to the target voice signal, form directional antenna beam, thereby realize promoting the target of signal to noise ratio.The bluetooth sending module is sent the DSP module here with microphone array module 4 array voice signal carries out the digital hearing aid processing and (comprises directivity filtering, frequency compensation, strengthen processing such as amplification), voice signal after handling is sent to bluetooth module, and the bluetooth sending module is sent to remote end module 8 by Bluetooth link with this voice signal.Remote end module 8 is made up of bluetooth receiver module and earphone, and this module is accepted from the signal of bluetooth sending module and is translated into the sound wave that people's ear can receive.The size of whole remote end module 8 is designed to pleasant level, can put into user's duct fully.

Claims (6)

1. array microphone hearing aid based on cell phone platform, described cell phone platform comprises mobile phone body (1), be arranged at DSP process chip in the mobile phone body (1) and the power module of controlling respectively by the DSP process chip, output module and communication module (5), also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone (4), the bluetooth sending module, external interface (7) and remote end module (8), wherein remote end module (8) is made of bluetooth receiver module serial connection earphone (11), array microphone (4) is distributed on mobile phone body (1) both sides, array microphone (4) intercoms mutually with the DSP process chip, the bluetooth sending module, external interface (7), memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, the DSP process chip intercoms mutually with microprocessor, and the bluetooth sending module is in bluetooth receiver module radio communication.
2. array microphone hearing aid based on cell phone platform, described cell phone platform comprises mobile phone body (1), be arranged at DSP process chip in the mobile phone body (1) and the power module of controlling respectively by the DSP process chip, output module and communication module (5), also comprise SIM card module and input module, it is characterized in that: also comprise microprocessor, memory module, array microphone (4), external interface (7) and remote end module (8), wherein remote end module (8) is connected in series wireless receiver (10) successively by reception antenna (9), earphone (11) constitutes, array microphone (4) is distributed on mobile phone body (1) both sides, array microphone (4) intercoms mutually with the DSP process chip, external interface (7), memory module, input module, the SIM card module intercoms mutually with microprocessor respectively, and the DSP process chip intercoms mutually with microprocessor.
3. the array microphone hearing aid based on cell phone platform according to claim 1 and 2, it is characterized in that described DSP process chip is connected in series filtration module, signal amplification module and signal enhancement module successively by the A/D modular converter and constitutes, wherein A/D modular converter and the two-way communication of DSP process chip, the input of the output termination bluetooth sending module of signal enhancement module.
4. the array microphone hearing aid based on cell phone platform according to claim 1 and 2, it is characterized in that on the mobile phone body (1) the adaptive array pointing system being set also, between described adaptive array pointing system serial connection and array microphone (4) and the DSP process chip.
5. the control method of the array microphone hearing aid based on cell phone platform as claimed in claim 1 is characterized in that described method is as follows:
Array microphone (4): the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone (4) obtains, and adjust the directional mode of array microphone (4) accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone (4) is obtained is to microprocessor;
Microprocessor: the voice signal that array microphone (4) is obtained is sent to remote end module (8) through filtering, amplification and after strengthening by the bluetooth sending module successively;
Remote end module (8): adopt the bluetooth receiver module to receive the voice signal that the bluetooth sending module sends, and by earphone (11) signal that plays sound.
6. the control method of the array microphone hearing aid based on cell phone platform as claimed in claim 2 is characterized in that described method is as follows:
Array microphone (4): the voice signal that acquisition has directive property;
Adaptive array pointing system: follow the trail of and analyze the noise source of noise in the voice signal that array microphone (4) obtains, and adjust the directional mode of array microphone (4) accordingly, noise source is foreclosed all the time;
DSP process chip: communicate by letter with communication base station by communication module, and the transmission of sound signals that array microphone (4) is obtained is to microprocessor;
Microprocessor: the voice signal that array microphone (4) is obtained is successively through filtering, amplification and strengthen the logical DSP process chip that feeds back in back, the DSP process chip successively by behind communication module, reception antenna (9), the wireless receiver (10) by earphone (11) signal that plays sound.
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EP2759147A1 (en) * 2012-10-02 2014-07-30 MH Acoustics, LLC Earphones having configurable microphone arrays
CN105551224A (en) * 2016-02-16 2016-05-04 俞春华 Hearing aiding method and system based on wireless transmission
CN106412160A (en) * 2016-10-28 2017-02-15 许昌学院 Bluetooth mobile phone system with hearing aid function
CN107948870A (en) * 2017-12-18 2018-04-20 珠海爱珂索移动医疗科技有限公司 Portable audio noise reduction system based on stereo microphone array
CN108337606A (en) * 2015-09-13 2018-07-27 国光电器股份有限公司 System, method and storage medium for the audio signal compensation based on loudness
CN109565629A (en) * 2016-06-20 2019-04-02 诺基亚技术有限公司 Distributed audio capture and mixing control
CN110312193A (en) * 2019-08-09 2019-10-08 佛山博智医疗科技有限公司 Hearing aid sound assisted acquisition device
CN111863019A (en) * 2020-07-23 2020-10-30 博流智能科技（南京）有限公司 Interference sound source direction acquisition method and system, target sound source position acquisition method and system, and electronic equipment control method and system
CN112911480A (en) * 2021-01-22 2021-06-04 成都市舒听医疗器械有限责任公司 Hearing aid sound amplification method and hearing aid
CN113038312A (en) * 2021-03-06 2021-06-25 深圳市智之祺科技有限公司 DSP audio processing system and method based on intelligent voice man-machine interaction
CN115396800A (en) * 2022-05-16 2022-11-25 西安合谱声学科技有限公司 Directional hearing aid method, directional hearing aid system, hearing aid and storage medium

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EP2759147A1 (en) * 2012-10-02 2014-07-30 MH Acoustics, LLC Earphones having configurable microphone arrays
CN108337606B (en) * 2015-09-13 2020-11-03 国光电器股份有限公司 Systems, methods, and storage media for loudness-based audio signal compensation
CN108337606A (en) * 2015-09-13 2018-07-27 国光电器股份有限公司 System, method and storage medium for the audio signal compensation based on loudness
CN105551224A (en) * 2016-02-16 2016-05-04 俞春华 Hearing aiding method and system based on wireless transmission
CN109565629A (en) * 2016-06-20 2019-04-02 诺基亚技术有限公司 Distributed audio capture and mixing control
CN109565629B (en) * 2016-06-20 2021-02-26 诺基亚技术有限公司 Method and apparatus for controlling processing of audio signals
CN106412160A (en) * 2016-10-28 2017-02-15 许昌学院 Bluetooth mobile phone system with hearing aid function
CN107948870A (en) * 2017-12-18 2018-04-20 珠海爱珂索移动医疗科技有限公司 Portable audio noise reduction system based on stereo microphone array
CN107948870B (en) * 2017-12-18 2024-08-16 珠海爱珂索移动医疗科技有限公司 Portable audio noise reduction system based on stereo microphone array
CN110312193A (en) * 2019-08-09 2019-10-08 佛山博智医疗科技有限公司 Hearing aid sound assisted acquisition device
CN111863019A (en) * 2020-07-23 2020-10-30 博流智能科技（南京）有限公司 Interference sound source direction acquisition method and system, target sound source position acquisition method and system, and electronic equipment control method and system
CN112911480A (en) * 2021-01-22 2021-06-04 成都市舒听医疗器械有限责任公司 Hearing aid sound amplification method and hearing aid
CN113038312A (en) * 2021-03-06 2021-06-25 深圳市智之祺科技有限公司 DSP audio processing system and method based on intelligent voice man-machine interaction
CN115396800A (en) * 2022-05-16 2022-11-25 西安合谱声学科技有限公司 Directional hearing aid method, directional hearing aid system, hearing aid and storage medium

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