CN110650421A - Hearing assistance system and host and slave thereof - Google Patents

Abstract

The present invention is applicable to the field of hearing assistance technology, and in particular relates to a hearing assistance system and its host and slave, wherein both the host and the slave can realize the collection and processing of sound signals from different signal sources, have various functions, and improve the user experience. The slave machine can also directly obtain the audio signal output by the audio device through the wired communication connection with the audio device through the audio interface, and send it to the host after processing by the second sound signal processing module. It can effectively improve the signal quality and clarity of the sound signal, thereby further improving the user's hearing experience.

Description

A hearing aid system and its host and slave

technical field

The invention belongs to the technical field of hearing assistance, and in particular relates to a hearing assistance system and its host and slave.

Background technique

With the gradual prominence of population aging and the continuous development of social medical level, the health problems and quality of life of the elderly and the disabled have gradually attracted widespread attention from all walks of life. According to statistics, one out of every three people over the age of 65 in the world suffers from hearing impairment, and the age of hearing impaired patients is declining. The incidence rate of congenital hearing impairment in newborns in my country is 1% to 3%. With the increase of age, the incidence rate of hearing impairment before the age of 5 rises to 2.7%, and it is as high as 3.5% in adolescence, and the proportion of the elderly is as high as 73%. Depending on the patient's hearing impairment, hearing aids such as hearing aids or cochlear implants can help patients hear to a certain extent.

However, the existing hearing aid-like hearing aids can only collect and process sound signals in the external environment, with single function and poor user experience.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present invention provide a hearing assistance system and its host and slave to solve the problem that the existing hearing aid-type hearing assistance device can only collect and process sound signals in the external environment, has a single function, and has poor user experience. The problem.

A first aspect of the embodiments of the present invention provides a host of a hearing assistance system, the hearing assistance system further includes a slave that wirelessly communicates with the host, and the host includes a first sound signal acquisition module, a first wireless communication a module, a first sound signal processing module and an earphone interface;

The first sound signal acquisition module, the first wireless communication module, and the earphone interface are all connected to the first sound signal processing module in wired communication, and the earphone interface can be connected to wired earphones in wired communication. A wireless communication module can wirelessly communicate with the slave, wireless communication device or wireless headset;

The first sound signal acquisition module is used to acquire external sound signals and send them to the first sound signal processing module;

The first wireless communication module is used to acquire the audio signal sent by the wireless communication device when it is wirelessly connected to the wireless communication device; it is also used to acquire the audio signal sent by the slave when it is connected to the slave by wireless communication Signal;

The first sound signal processing module is used to select the first sound signal with the highest signal source priority according to the first preset signal source priority for optimization processing, and when the earphone interface is connected to the wired earphone by wired communication, the The earphone interface outputs the optimized first sound signal to the wired earphone; when the first wireless communication module is wirelessly connected to the wireless communication device, the optimized first sound signal is transmitted by the first wireless communication module. A sound signal is sent to the wireless communication device; when the first wireless communication module is wirelessly connected to the wireless headset, the optimized first sound signal is sent to the wireless headset through the first wireless communication module;

Wherein, the first sound signal includes an external sound signal, an audio signal sent by a wireless communication device, or an audio signal sent by the slave.

In one embodiment, the first sound signal processing module includes a first control unit, a first noise reduction unit and a first amplification unit;

The first control unit is connected in wired communication with the first sound signal acquisition module, the first wireless communication module and the first noise reduction unit, and the first noise reduction unit is connected with the first amplifier The unit is connected by wired communication, and the first amplifying unit is connected by wired communication with the earphone interface;

The first control unit is configured to receive the first sound signal, select the first sound signal with the highest signal source priority according to the first preset signal source priority, and send it to the first noise reduction unit;

The first noise reduction unit is configured to perform noise reduction processing on the first sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode;

The first amplifying unit is used for signal amplifying the first sound signal after noise reduction processing;

Wherein, the listening mode includes an outdoor listening mode or an indoor listening mode.

In one embodiment, the host further includes a first human-computer interaction module, and the first human-computer interaction module is connected to the first control unit in wired communication;

The first human-computer interaction module is configured to send the listening mode setting instruction to the first control unit when acquiring the listening mode setting instruction input by the user;

The first control unit is configured to set the current listening mode according to the listening mode setting instruction, and trigger the first noise reduction unit to select the signal source with the highest priority according to the noise reduction processing method corresponding to the current listening mode. The first sound signal is subjected to noise reduction processing; the first control unit is further configured to adopt the set listening mode by default when the listening mode setting instruction is not received.

In one embodiment, the first human-computer interaction module includes a button and a display screen connected to the first control unit in wired communication.

In one embodiment, the priority order of the first preset signal source is: an audio signal sent by a wireless communication device, an audio signal sent by the slave, and an external sound signal;

The first sound signal processing module is configured to control the first sound signal acquisition module to stop acquiring the outside sound signal when receiving the outside sound signal and the audio signal sent by the wireless communication device or the audio signal sent by the slave, until the audio signal sent by the wireless communication device or the audio signal sent by the slave is not received;

The first sound signal processing module is further configured to preferentially process the audio signal sent by the wireless communication device when receiving the audio signal sent by the wireless communication device and the audio signal sent by the slave, and process the audio signal sent by the wireless communication device in priority. The audio signal is then processed by the audio signal sent by the slave.

A second aspect of the embodiments of the present invention provides a slave for a hearing assistance system, the hearing assistance system further includes a host that wirelessly communicates with the slave, and the slave includes a second sound signal collection module, an audio interface, a first two sound signal processing modules and a second wireless communication module;

The second sound signal acquisition module, the audio interface and the second wireless communication module are all connected with the second sound signal processing module in wired communication, the audio interface can be connected with the audio equipment in wired communication, and the first sound signal processing module is connected by wired communication. Two wireless communication modules can be wirelessly connected to the host;

The second sound signal acquisition module is used to acquire external sound signals and send them to the second sound signal processing module;

The audio interface is used to acquire the audio signal output by the audio device and send it to the second sound signal processing module when it is connected with the audio device in wired communication;

The second sound signal processing module is configured to select the second sound signal with the highest signal source priority for optimization processing according to the second preset signal source priority, and wirelessly communicate with the host in the second wireless communication module When connected, the optimized second sound signal is sent to the host through the second wireless communication module;

Wherein, the second sound signal includes an external sound signal or an audio signal output by the audio device when the slave is in wired communication with the audio device.

In one embodiment, the second sound signal processing module includes a second control unit, a second noise reduction unit and a second amplification unit;

The second control unit is connected in wired communication with the second sound signal acquisition module, the audio interface and the second noise reduction unit, and the second noise reduction unit is in wired communication with the second amplification unit connection, the second amplifying unit is connected to the second wireless communication module by wired communication;

The second control unit is configured to receive the second sound signal, select the second sound signal with the highest signal source priority according to the second preset signal source priority, and send it to the second noise reduction unit;

The second noise reduction unit is configured to perform noise reduction processing on the second sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode;

The second amplifying unit is configured to perform signal amplification processing on the second sound signal after noise reduction processing;

Wherein, the listening mode includes an outdoor listening mode or an indoor listening mode.

In one embodiment, the slave further includes a second human-computer interaction module, and the second human-computer interaction module is connected to the second control unit in wired communication;

The second human-computer interaction module is configured to send the listening mode setting instruction to the second control unit when acquiring the listening mode setting instruction input by the user;

The second control unit is configured to set the current listening mode according to the listening mode setting instruction, and trigger the second noise reduction unit to select the signal source with the highest priority according to the noise reduction processing method corresponding to the current listening mode. The second sound signal performs noise reduction processing; the second control unit is further configured to adopt the set listening mode by default when the listening mode setting instruction is not received.

In one embodiment, the priority order of the second preset signal source is: the audio signal output by the audio device and the external sound signal;

The second sound signal processing module is used to control the first sound signal acquisition module to stop acquiring the external sound signal when receiving the external sound signal and the audio signal output by the audio equipment until the audio equipment is not acquired. until the audio signal is output.

A third aspect of the embodiments of the present invention provides a hearing assistance system, which includes the above-mentioned host and the above-mentioned slave.

The first aspect of the embodiments of the present invention provides a host of a hearing assistance system including a first sound signal collection module, a first wireless communication module, a first sound signal processing module, and an earphone interface, and obtains the external environment through the first sound signal collection module. For the sound signal, the first wireless communication module obtains the audio signal sent by the wireless communication device and the audio signal sent by the slave, so as to realize the collection and processing of the sound signal from different signal sources, and has various functions and improves the user's listening experience.

The second aspect of the embodiments of the present invention provides a slave of a hearing assistance system including a second sound signal collection module, an audio interface, a second sound signal processing module, and a second wireless communication module, and obtains the data through the second sound signal collection module For external sound signals, the audio signals output by the audio equipment are obtained through the audio interface, so as to realize the collection and processing of sound signals from different signal sources. It has various functions and improves the user's listening experience. The communication connection obtains the audio signal output by the audio device, and sends it to the host after being processed by the second sound signal processing module. Compared with the acquisition of the sound signal transmitted through the air, the signal quality and clarity of the sound signal can be effectively improved, thereby further improving User's listening experience.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a host of a hearing assistance system provided in Embodiment 1 of the present invention;

2 is a schematic structural diagram of a host of a hearing assistance system provided in Embodiment 2 of the present invention;

3 is a schematic structural diagram of a slave of a hearing assistance system provided in Embodiment 3 of the present invention;

4 is a schematic structural diagram of a slave of a hearing assistance system provided in Embodiment 4 of the present invention;

FIG. 5 is a schematic structural diagram of a hearing assistance system provided by Embodiment 5 of the present invention.

Detailed ways

In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

In order to illustrate the technical solutions of the present invention, the following specific embodiments are used for description.

Example 1

As shown in FIG. 1 , this embodiment provides a host 100 of a hearing assistance system, which includes a first sound signal acquisition module 101 , a first wireless communication module 102 , a first sound signal processing module 103 and an earphone interface 104 . The system also includes a slave 200 in wireless communication with the master 100 .

In a specific application, the host can be any terminal device with functions of sound signal acquisition, processing and output, and wireless communication. The processed sound signal is transmitted to the user's ear through the earphone. The terminal device can also be configured as a wireless earphone integrating sound signal acquisition, processing and output, as well as wireless communication and earphone functions, for example, a smart Bluetooth earphone.

Correspondingly, the slave can be any terminal device with functions of sound signal acquisition, processing and output and wireless communication. Audio equipment that can output audio signals, such as mobile phones, tablet computers, notebook computers, personal digital assistants, PC (Personal Computer, personal computer) clients, etc. the host mentioned. Specifically, the slave has an audio interface that is connected to the audio device in wired communication, and can be connected to the audio device through an audio cable.

As shown in FIG. 1 , in this embodiment, the first sound signal acquisition module 101 , the first wireless communication module 102 and the earphone interface 104 are all connected to the first sound signal processing module 103 by wired communication, and the earphone interface 103 can be connected to a wired earphone 300 wired communication connection, the first wireless communication module 102 can be wirelessly connected to the slave 200, the wireless communication device 400 or the wireless headset.

FIG. 1 exemplarily shows that the earphone interface 103 is connected to the wired earphone 300 in wired communication, and the first wireless communication module 102 is connected to the slave 200 and the wireless communication device 400 in wireless communication.

In this embodiment, the first sound signal acquisition module 101 is configured to acquire an external sound signal and send it to the first sound signal processing module 103 .

In a specific application, the first sound signal collection module may specifically be a microphone (MIC) or any sound signal collection device having the same function as a microphone.

In specific applications, the external sound signal specifically refers to the sound signal emitted by objects in the natural environment where the user is located and propagated in the air, for example, the sound of a car whistle, the sound of audio equipment, the sound of people or animals Wait.

In this embodiment, the first wireless communication module 102 is used to acquire the audio signal sent by the wireless communication device 400 when it is connected to the wireless communication device 400 for wireless communication; The audio signal sent by the machine 200.

In a specific application, the first wireless communication module may specifically be a device with wireless communication functions, such as a Bluetooth module, a WiFi module, a ZigBee module, an optical communication module, etc. The first wireless communication module may specifically only receive but not transmit wireless signals, which can save energy Power consumption, for example, the Bluetooth module may specifically be a Bluetooth receiving module.

In specific applications, wireless communication devices specifically refer to devices implemented using the same wireless communication technology as the host, for example, mobile phones, tablet computers, speakers, Laptops, personal digital assistants, smart bracelets, etc. The audio signal specifically refers to a sound signal in the form of a digital signal.

In this embodiment, the first sound signal processing module 103 is configured to select the first sound signal with the highest signal source priority for optimization processing according to the first preset signal source priority, and connect the wired earphone 300 to the earphone interface 104 When the communication is connected, the optimized first sound signal is output to the wired headset 300 through the earphone interface 104; The first sound signal is sent to the wireless communication device 400; when the first wireless communication module 102 is wirelessly connected to the wireless headset, the optimized first sound signal is sent to the wireless headset through the first wireless communication module 102;

The first sound signal includes an external sound signal, an audio signal sent by the wireless communication device 400 or an audio signal sent by the slave 200 .

In specific applications, the priority of the signal source can be set according to actual needs. The user can select the signal with a high degree of importance or preference according to the importance of the user-defined sound signal or his own preference for sound signals from various sources. The priority of the source is set to high priority, and the priority of less important or less preferred signal sources is set to low priority.

In a specific application, the optimization process specifically includes signal processing operations such as format conversion, signal amplification, and noise reduction. Noise reduction processing is mainly to filter out the interference noise from the signal source itself or hardware devices in the sound signal, that is, source noise or channel noise.

In a specific application, the first sound signal processing module may specifically be a speech processing chip or a processor with the same function, and the first sound signal processing module may specifically include a filter for noise reduction and an amplifier for amplifying the sound signal. The processor may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf processors Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

In a specific application, when the earphone interface is connected to a wired earphone or the first wireless communication module is connected to a wireless earphone, the optimized sound signal is output to the wired earphone or wireless earphone, so as to be transmitted to the user's ear so that the user can hear it; When the host itself is set as an earphone, the optimized sound signal is directly transmitted to the user's ear. It should be understood that when the host is connected to a wired headset or a wireless headset, the optimized sound signal is in the form of an electrical signal, which is converted into an analog signal through the wired headset or wireless headset and then transmitted to the user's ear; When the host itself is set as an earphone, the sound signal after optimized processing is a sound signal in the form of an analog signal that has been processed and can be directly transmitted to the user's ear.

In one embodiment, the priority order of the first preset signal source is: an audio signal sent by a wireless communication device, an audio signal sent by the slave, and an external sound signal;

The first sound signal processing module is configured to control the first sound signal acquisition module to stop acquiring the outside sound signal when receiving the outside sound signal and the audio signal sent by the wireless communication device or the audio signal sent by the slave, until the audio signal sent by the wireless communication device or the audio signal sent by the slave is not received;

The first sound signal processing module is further configured to preferentially process the audio signal sent by the wireless communication device when receiving the audio signal sent by the wireless communication device and the audio signal sent by the slave, and process the audio signal sent by the wireless communication device in priority. The audio signal is then processed by the audio signal sent by the slave.

In a specific application, when the first sound signal includes an external sound signal and an audio signal sent by a wireless communication device or an audio signal sent by the slave device, the audio signal sent by the wireless communication device or the audio signal sent by the slave device is preferentially processed At this time, the acquisition of external sound signals can be stopped, so as to reduce the power consumption of the host and improve the signal processing efficiency. Specifically, it can be realized by controlling the first sound signal collection module to sleep or stop working, and when the audio signal sent by the wireless communication device or the audio signal sent by the slave is not obtained, wake up again or control the first sound signal collection module to start Work.

In a specific application, when the first sound signal includes the audio signal sent by the wireless communication device and the audio signal sent by the slave, the audio signal sent by the wireless communication device is preferentially processed, and after the audio signal sent by the wireless communication device is processed , and then process the audio signal sent by the slave.

In a specific application, when there is only one source of the first sound signal, there is no need for selection, and the first sound signal can be directly optimized and output.

In one embodiment, the host further includes a first power supply module electrically connected to the first sound signal acquisition module, the first wireless communication module and the first sound signal processing module.

In a specific application, the first power module may specifically include any type of battery, for example, a rechargeable lithium-ion battery. Correspondingly, the host further includes a matching charger and charging cable for charging the battery. The first power module Also includes a first charging interface. The first charging interface may specifically be a USB TYPE-C interface, and the corresponding charging cable may be a TYPE-C charging cable. The host may also include a matching earphone and earphone cable or an inductive collar-type hearing aid.

Embodiment 2

As shown in FIG. 2 , in this embodiment, the first sound signal processing module 103 in the first embodiment includes a first control unit 1031 , a first noise reduction unit 1032 and a first amplifying unit 1033 .

In a specific application, the first control unit may specifically be a processor with voice data processing and control functions, and the processor may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal Processor (Digital Signal Processor, DSP), Application Specific Integrated Circuit (ASIC), Off-the-shelf Programmable Gate Array (Field-Programmable GateArray, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. Specifically, the first noise reduction unit may be a filter or a combination of multi-stage filters. Specifically, the first amplifying unit may be an amplifier or a combination of multi-stage amplifiers.

As shown in FIG. 2 , in this embodiment, the first control unit 1031 is connected to the first sound signal collection module 101 , the first wireless communication module 102 and the first noise reduction unit 1032 via wired communication, and the first noise reduction unit 1932 is connected to The first amplifying unit 1033 is connected in wired communication, and the first amplifying unit 1033 is connected in wired communication with the headphone jack 104 .

In this embodiment, the first control unit 1031 is configured to receive the first sound signal, select the first sound signal with the highest signal source priority according to the first preset signal source priority, and send it to the first noise reduction unit 1032;

The first noise reduction unit 1032 is configured to perform noise reduction processing on the first sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode;

The first amplifying unit 1033 is configured to perform signal amplifying processing on the noise-reduced first sound signal;

Wherein, the listening mode includes an outdoor listening mode or an indoor listening mode.

In a specific application, the listening modes may include outdoor mode (that is, the working mode of the host selected when the user carries the host outdoors), indoor mode (that is, when the user carries the host indoors, the selected the working mode of the host), sleep mode (that is, when the user carries the host and is in a sleep state, the selected working mode of the host). When the user is in different environments and states, the working mode of the host can be set to the corresponding mode. In different working modes, the host handles sound signals differently. For example, when the user carries the host outdoors, the host can be set to the outdoor mode, because the source noise in the outdoor environment is relatively high. Seriously, in this state, the host can focus on filtering the source noise; when the user carries the host indoors, the host can be set to the indoor mode. In an indoor environment, the channel noise is relatively higher than the source noise. The interference to the signal is more serious, so the host can focus on filtering channel noise in this state; in sleep mode, it can simultaneously perform enhanced filtering on source noise and channel noise, and even actively reduce non-noise The sound intensity of the sound signal provides users with a quiet sleeping environment.

As shown in FIG. 2 , in this embodiment, the host 100 in the first embodiment further includes a first human-computer interaction module 105 , and the first human-computer interaction module 105 is connected to the first control unit 1031 in wired communication.

In this embodiment, the first human-computer interaction module 105 is configured to send the listening mode setting instruction to the first control unit 1031 when acquiring the listening mode setting instruction input by the user;

The first control unit 1031 is configured to set the current listening mode according to the listening mode setting instruction, and trigger the first noise reduction unit 1032 to perform the first sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode. Perform noise reduction processing; the first control unit 1031 is further configured to adopt the set listening mode by default when the listening mode setting instruction is not received.

In a specific application, the first human-machine exchange module may include human-machine interaction devices such as touch buttons, mechanical buttons, switches, and touch screens disposed on the host. The user can switch and set the working mode of the host by inputting a listening mode setting instruction through the first human-computer interaction module or through voice control or gesture control. If the user does not switch the working mode of the host before performing the sound signal processing, it will be processed according to the previously set listening mode by default. If the host is turned on for the first time at this time, the set listening mode is Factory default listening mode. Similarly, the power-on and power-off control of the host can also be implemented by a corresponding human-computer interaction device, voice control or gesture control.

In one embodiment, the first human-computer interaction module includes a button and a display screen that are connected in wired communication with the first control unit.

In one embodiment, the first human-computer interaction module may include a host power switch key, a host power indicator, a host listening mode selection key, a volume "+" key, a volume "-" key, a host working status indicator (including charging Indicator light, charging indicator light, multiple status indicators, etc.), host Bluetooth pairing key (this key is a hidden key located in a small hole, which needs to be turned on or off with a pin, which can prevent accidental touch and change Bluetooth pairing at will set up).

In a specific application, when the host is charging, if the charging indicator is always on and the waiting indicator is off, it means that the host is fully charged. In order to ensure the safety of use, the host is automatically set to a shutdown state when charging.

The booting method of the host is: press and hold the power switch key of the host until the power indicator of the host is always on, and the earphone hears the ambient sound, which means the boot is successful.

The volume adjustment method of the host is as follows: the first power-on defaults to the minimum volume to prevent the volume from being too loud, press the volume "+" key or the volume "-" key, adjust the volume to an appropriate volume and stop pressing, the host can automatically memorize the current volume and turn on again. automatically restores the last volume.

The Bluetooth pairing method between the host and the wireless communication device is: use the pin to lightly press the Bluetooth pairing button of the host until the host status indicator of a certain color goes out, and enter the waiting state for pairing; turn on the Bluetooth search state of the wireless communication device, and search for the host's device. Name, after the wireless communication device chooses to connect to the host, the headset connected to the host will emit a "connected" prompt sound, and the host status indicator of another color will light up, then the host and the wireless communication device are successfully paired, and the audio sent by the wireless communication device can be obtained. Signal.

The shutdown method of the host is as follows: press the power button of the host until all the indicator lights are off, and the shutdown is completed.

Embodiment 3

As shown in FIG. 3 , in this embodiment, the slave 200 in the first embodiment includes a second sound signal collection module 201 , an audio interface 202 , a second sound signal processing module 203 and a second wireless communication module 204 .

As shown in FIG. 3 , in this embodiment, the second sound signal acquisition module 201 , the audio interface 202 and the second wireless communication module 204 are all connected to the second sound signal processing module 203 in wired communication, and the audio interface 202 can be connected to an audio device 500 is connected for wired communication, and the second wireless communication module 204 can be connected with the host 100 for wireless communication.

FIG. 3 exemplarily shows that the audio interface 202 is connected with the audio device 500 in wired communication, and the second wireless communication module 204 is connected with the host 100 in wireless communication.

In this embodiment, the second sound signal acquisition module 201 is configured to acquire external sound signals and send them to the second sound signal processing module 203 .

In a specific application, the second sound signal collection module may specifically be a microphone (MIC) or any sound signal collection device having the same function as a microphone. The second sound signal collection module collects external sound signals and processes them into sound signals in the form of electrical signals.

In this embodiment, the audio interface 202 is configured to acquire the audio signal output by the audio device 500 and send it to the second sound signal processing module 203 when it is connected to the audio device 500 through wired communication.

In a specific application, the audio device may be a TV, a speaker, a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, a PC client, and other devices that can output audio signals through an audio interface. The audio interface can be connected with audio equipment through an audio cable. The second sound signal processing module may include an audio signal collection unit, configured to collect the audio signal output by the audio device through wired communication. The audio signal acquisition unit may specifically be an audio acquisition card connected to the audio interface in wired communication.

In this embodiment, the second sound signal processing module 203 is configured to select the second sound signal with the highest signal source priority for optimization processing according to the second preset signal source priority, and communicate with the host computer between the second wireless communication module 204 and the host. 100 When the wireless communication is connected, the optimized second sound signal is sent to the host 100 through the second wireless communication module 204;

Wherein, the second sound signal includes an external sound signal or an audio signal output by the audio device when the slave device communicates with the audio device by wire.

In specific applications, the priority of the signal source can be set according to actual needs. The user can select the signal with a high degree of importance or preference according to the importance of the user-defined sound signal or his own preference for sound signals from various sources. The priority of the source is set to high priority, and the priority of less important or less preferred signal sources is set to low priority. In this embodiment, the signal source specifically refers to an external sound signal and an audio signal output by the audio device.

In a specific application, the optimization process specifically includes signal processing operations such as format conversion, signal amplification, and noise reduction. Noise reduction processing is mainly to filter out the interference noise from the signal source itself or hardware devices in the sound signal, that is, source noise or channel noise.

In a specific application, the second sound signal processing module may specifically be a voice processing chip or a processor with the same function, and the second sound signal processing module may specifically include a filter for noise reduction and an amplifier for amplifying the sound signal. The processor may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf processors Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

In a specific application, the second wireless communication module may specifically be a device with wireless communication functions, such as a Bluetooth module, a WiFi module, a ZigBee module, an optical communication module, etc. The second wireless communication module may only transmit but not receive wireless signals, which can save energy Power consumption, for example, the Bluetooth module may specifically be a Bluetooth transmitting module.

In one embodiment, the priority order of the second preset signal source is: the audio signal output by the audio device and the external sound signal;

The second sound signal processing module is used to control the second sound signal acquisition module to stop acquiring the external sound signal when receiving the external sound signal and the audio signal output by the audio equipment until the audio equipment is not acquired. until the audio signal is output.

In a specific application, when the second sound signal includes an external sound signal and an audio signal output by the audio device, when the audio signal output by the audio device is preferentially processed, the acquisition of the external sound signal can be stopped at this time, so as to reduce the The power consumption of the slave machine, while improving the signal processing efficiency. Specifically, it can be realized by controlling the second sound signal collecting module to sleep or stop working, and when the audio signal output by the audio device is not obtained, wake up again or control the second sound signal collecting module to start working.

In a specific application, when there is only one source of the second sound signal, there is no need for selection, and the second sound signal can be directly optimized and output.

In one embodiment, the slave further includes a second power supply module electrically connected to the second sound signal acquisition module, the second wireless communication module and the second sound signal processing module.

In a specific application, the second power module may specifically include any type of battery, for example, a rechargeable lithium-ion battery. Correspondingly, the host further includes a matching charger and charging cable for charging the battery. The second power module Also includes a first charging interface. The second charging interface may specifically be a USB TYPE-C interface, and the corresponding charging cable may be a TYPE-C charging cable. The master and slave can share a set of charger and charging cable.

Embodiment 4

As shown in FIG. 4 , in this embodiment, the second sound signal processing module 203 in the third embodiment includes a second control unit 2031 , a second noise reduction unit 2032 and a second amplifying unit 2033 .

In a specific application, the second control unit may specifically be a processor with voice data processing and control functions, and the processor may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal Processor (Digital Signal Processor, DSP), Application Specific Integrated Circuit (ASIC), Off-the-shelf Programmable Gate Array (Field-Programmable GateArray, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. Specifically, the second noise reduction unit may be a filter or a combination of multi-stage filters. Specifically, the second amplifying unit may be an amplifier or a combination of multi-stage amplifiers.

As shown in FIG. 4 , in this embodiment, the second control unit 2031 is connected to the second sound signal collection module 201 , the audio interface 202 and the second noise reduction unit 2032 via wired communication, and the second noise reduction unit 2032 is connected to the second amplifier The unit 2033 is connected in wired communication, and the second amplifying unit 2033 is connected in wired communication with the second wireless communication module 204 .

In this embodiment, the second control unit 2031 is configured to receive the second sound signal, and according to the second preset signal source priority, select the second sound signal with the highest signal source priority and send it to the second noise reduction unit;

The second noise reduction unit 2032 is configured to perform noise reduction processing on the second sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode;

The second amplifying unit 2033 is configured to perform signal amplifying processing on the second sound signal after noise reduction processing;

The listening mode includes an outdoor listening mode or an indoor listening mode.

In specific applications, the listening modes may include outdoor mode (that is, when the slave is outdoors, the selected slave's working mode), indoor mode (when the slave is indoors, the selected slave's working mode), sleep mode (that is, the working mode of the selected slave when the user is in a sleep state). When the user is in different environments and states, the working mode of the slave machine can be set to the corresponding mode. In different working modes, the slaves process the sound signal differently. For example, when the slave is outdoors, the slave can be set to the outdoor mode. Since the source noise in the outdoor environment is more serious, the slave is in In this state, you can focus on filtering the source noise; when the slave is indoors, you can set the slave to indoor mode. In an indoor environment, the channel noise is more serious than the source noise. In this state, the computer can focus on filtering channel noise; in sleep mode, it can perform enhanced filtering processing on source noise and channel noise at the same time, and even actively reduce the sound intensity of non-noise sound signals, providing users with a Quiet sleeping environment.

As shown in FIG. 4 , in this embodiment, the slave 200 in the third embodiment further includes a second human-computer interaction module 205 , and the second human-computer interaction module 205 is connected to the second control unit 2031 in wired communication.

In this embodiment, the second human-computer interaction module 205 is configured to send the listening mode setting instruction to the second control unit 2031 when acquiring the listening mode setting instruction input by the user;

The second control unit 2031 is configured to set the current listening mode according to the listening mode setting instruction, and trigger the second noise reduction unit 2032 to select the second sound signal with the highest signal source priority according to the noise reduction processing method corresponding to the current listening mode Perform noise reduction processing; the second control unit 2031 is further configured to adopt the set listening mode by default when the listening mode setting instruction is not received.

In a specific application, the second human-machine exchange module may include human-machine interaction devices such as touch buttons, mechanical buttons, switches, and touch screens disposed on the host. The user can switch and set the working mode of the host by inputting a listening mode setting instruction through the second human-computer interaction module or through voice control or gesture control. If the user does not switch the working mode of the host before performing the sound signal processing, it will be processed according to the previously set listening mode by default. If the host is turned on for the second time at this time, the set listening mode is Factory default listening mode. Similarly, the power-on and power-off control of the host can also be implemented by a corresponding human-computer interaction device, voice control or gesture control.

In one embodiment, the second human-computer interaction module includes a button and a display screen that are connected in wired communication with the second control unit.

In one embodiment, the second human-computer interaction module may include a slave power switch key, a slave power indicator light, a slave listening mode selection key, a volume "+" key, a volume "-" key, and a slave working status indication Lights (including charging indicator, waiting indicator, multiple status indicators, etc.), slave Bluetooth pairing key (this key is a hidden key located in a small hole that needs to be turned on or off with a pin to prevent accidental touches) and feel free to change the Bluetooth pairing settings).

In a specific application, when the slave is charging, if the charging indicator is always on and the waiting indicator is off, it means that the power of the slave is fully charged. In order to ensure the safety of use, the slave machine is automatically set to the off state when charging.

In the specific application, the pairing method between the master and the slave is as follows: the master and the slave are preset to be within the range of each other's communication network when they leave the factory, that is, they are automatically paired. The working status indicator light can jump to another color. If it is found that the automatic pairing connection between the master and the slave fails, you can re-pair as follows:

Turn on the master and slave, first use the pin to press the bluetooth pairing button of the master until the working status indicator of a certain color of the master goes out, so that the master enters the waiting state for pairing, and then use the pin to press the bluetooth pairing button of the slave to the master and slave. The working status indicator of a certain color will jump to another color at the same time, and at the same time, the “Bluetooth is connected” prompt sound is heard through the headset connected to the host, indicating that the master and slave are successfully paired.

The way to connect the slave to the audio device is: after the master and the slave are turned on, connect the slave and the audio device through the audio cable, and use the earphone connected to the master to hear the sound from the audio device.

The shutdown method of the slave machine is: press the power button of the slave machine until all the indicator lights are off, and the shutdown is completed.

Embodiment 5

As shown in FIG. 5 , this embodiment provides a hearing assistance system 1000 , which includes the host 100 in the first embodiment or the second embodiment and the slave 200 in the third embodiment or the fourth embodiment.

In specific applications, the host and slave of the hearing aid system can be used together. The slave collects external sound signals or acquires audio signals sent by audio equipment and processes them and transmits them wirelessly to the host. The host collects external sound signals, obtains The audio signal sent by the wireless communication device or the audio signal sent by the slave is processed and output to the user's ear through the earphone.

In specific applications, the host can be specifically designed as a portable terminal such as a hearing aid, a Bluetooth headset, etc.

The host and slave of the hearing assistance system provided in this embodiment can be applied to the following scenarios:

1. When using the host alone, you can easily listen to the ambient sound by turning on the host. Press the volume "+" key and the volume "-" key to adjust the volume. Press the listening mode selection key of the main unit, and hear a beep sound, you can set the main unit to "indoor mode", and you can listen to the ambient sound clearly; press the listening mode selection key of the main unit again, you can hear two beeps, beep, beep Prompt sound, it can be seen that the host is set to "outdoor mode", which can reduce the interference of environmental noise.

2. When the wireless communication device is a mobile phone, the host can answer the call. After the host is successfully paired with the mobile phone Bluetooth, it can receive the phone audio data sent by the mobile phone. Press the volume "+" key and the volume "-" key to adjust the volume of the call.

3. When the wireless communication device is other Bluetooth device, the host can listen to the sound of other Bluetooth devices. For example, when the other bluetooth device is a radio or a bluetooth speaker, the host can listen to the radio or music after the bluetooth pairing with the other electronic device is successful.

4. When the host is paired with the slave and the audio device is a TV, the slave can easily watch TV programs after connecting to the audio output interface of the TV. Press the volume "+" key and the volume "-" key to adjust the volume of the call.

5. When communicating with others, wear the slave machine on others (or hold it), you can clearly listen to the voice of others, so as to achieve easy communication with others. When the other person is the teacher, the slave machine can be worn on the teacher's body or placed on the podium, so that the teacher's lecture can be heard clearly.

6. Slave mode conversion mode. Press the listening mode selection key of the slave machine, and hear a beep sound, you can set the slave machine to "indoor mode", and you can listen to the ambient sound clearly; press the listening mode selection key of the slave machine again, you can hear "di, di" "Two beeps, it can be seen that the slave is set to "outdoor mode", which can reduce the interference of environmental noise.

It should be understood that the host, slave or hearing assistance system provided by the embodiments of the present invention can also be reasonably applied in other scenarios according to actual needs. The embodiments of the present invention only exemplify some application scenarios, and are not used to limit the application scenarios.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still possible to implement the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the within the protection scope of the present invention.

Claims (10)

1. The hearing assistance system is characterized by further comprising a slave machine in wireless communication with the host machine, wherein the host machine comprises a first sound signal acquisition module, a first wireless communication module, a first sound signal processing module and an earphone interface;

the first sound signal acquisition module, the first wireless communication module and the earphone interface are all in wired communication connection with the first sound signal processing module, the earphone interface can be in wired communication connection with a wired earphone, and the first wireless communication module can be in wireless communication connection with the slave computer, wireless communication equipment or a wireless earphone;

the first sound signal acquisition module is used for acquiring an external sound signal and sending the external sound signal to the first sound signal processing module;

the first wireless communication module is used for acquiring an audio signal sent by the wireless communication equipment when the wireless communication module is in wireless communication connection with the wireless communication equipment; the system is also used for acquiring an audio signal sent by the slave machine when the system is in wireless communication connection with the slave machine;

the first sound signal processing module is used for selecting a first sound signal with the highest signal source priority for optimization processing according to a first preset signal source priority, and outputting the first sound signal after optimization processing to the wired earphone through the earphone interface when the earphone interface is in wired communication connection with the wired earphone; when the first wireless communication module is in wireless communication connection with wireless communication equipment, the first wireless communication module sends the first sound signal after optimization processing to the wireless communication equipment; when the first wireless communication module is in wireless communication connection with a wireless earphone, the first wireless communication module sends the first sound signal after optimization processing to the wireless earphone;

the first sound signal comprises an external sound signal, an audio signal sent by wireless communication equipment or an audio signal sent by the slave.

2. A hearing assistance system as claimed in claim 1, wherein the first sound signal processing module comprises a first control unit, a first noise reduction unit, and a first amplification unit;

the first control unit is in wired communication connection with the first sound signal acquisition module, the first wireless communication module and the first noise reduction unit, the first noise reduction unit is in wired communication connection with the first amplification unit, and the first amplification unit is in wired communication connection with the earphone interface;

the first control unit is used for receiving the first sound signal, selecting a first sound signal with the highest signal source priority according to a first preset signal source priority and sending the first sound signal to the first noise reduction unit;

the first noise reduction unit is used for carrying out noise reduction processing on a first sound signal with the highest signal source priority according to a noise reduction processing mode corresponding to the current listening mode;

the first amplifying unit is used for carrying out signal amplification processing on the first sound signal subjected to noise reduction processing;

wherein the listening mode comprises an outdoor listening mode or an indoor listening mode.

3. A host of a hearing assistance system as set forth in claim 2, wherein the host further includes a first human interaction module in wired communication with the first control unit;

the first human-computer interaction module is used for sending the listening mode setting instruction to the first control unit when the listening mode setting instruction input by a user is obtained;

the first control unit is used for setting the current listening mode according to the listening mode setting instruction and triggering the first noise reduction unit to perform noise reduction processing on the first sound signal with the highest signal source priority according to a noise reduction processing mode corresponding to the current listening mode; the first control unit is further configured to default to the set listening mode when the listening mode setting instruction is not received.

4. A hearing assistance system as set forth in claim 3 wherein the first human interaction module includes a key and a display screen in wired communication connection with the first control unit.

5. A hearing assistance system as claimed in claim 1 wherein the first predetermined signal source priority is in the order of: the audio signal sent by the wireless communication equipment, the audio signal sent by the slave machine and the external sound signal;

the first sound signal processing module is used for controlling the first sound signal acquisition module to stop acquiring the external sound signal when receiving the external sound signal and the audio signal sent by the wireless communication equipment or the audio signal sent by the slave machine until the audio signal sent by the wireless communication equipment or the audio signal sent by the slave machine is not received;

the first sound signal processing module is further used for preferentially processing the audio signal sent by the wireless communication equipment when receiving the audio signal sent by the wireless communication equipment and the audio signal sent by the slave, and processing the audio signal sent by the slave after processing the audio signal sent by the wireless communication equipment.

6. The slave of the hearing auxiliary system is characterized by further comprising a master machine in wireless communication with the slave machine, wherein the slave machine comprises a second sound signal acquisition module, an audio interface, a second sound signal processing module and a second wireless communication module;

the second sound signal acquisition module, the audio interface and the second wireless communication module are all in wired communication connection with the second sound signal processing module, the audio interface can be in wired communication connection with audio equipment, and the second wireless communication module can be in wireless communication connection with the host;

the second sound signal acquisition module is used for acquiring an external sound signal and sending the external sound signal to the second sound signal processing module;

the audio interface is used for acquiring an audio signal output by the audio equipment and sending the audio signal to the second sound signal processing module when the audio interface is in wired communication connection with the audio equipment;

the second sound signal processing module is used for selecting a second sound signal with the highest signal source priority for optimization processing according to a second preset signal source priority, and sending the second sound signal after optimization processing to the host through the second wireless communication module when the second wireless communication module is in wireless communication connection with the host;

wherein the second sound signal comprises an external sound signal or an audio signal output by the audio device when the slave is in wired communication with the audio device.

7. The slave of the hearing assistance system of claim 6, wherein the second sound signal processing module comprises a second control unit, a second noise reduction unit, and a second amplification unit;

the second control unit is in wired communication connection with the second sound signal acquisition module, the audio interface and the second noise reduction unit, the second noise reduction unit is in wired communication connection with the second amplification unit, and the second amplification unit is in wired communication connection with the second wireless communication module;

the second control unit is used for receiving the second sound signals, selecting the second sound signals with the highest signal source priority according to a second preset signal source priority and sending the second sound signals to the second noise reduction unit;

the second noise reduction unit is used for performing noise reduction processing on a second sound signal with the highest signal source priority according to a noise reduction processing mode corresponding to the current listening mode;

the second amplifying unit is used for carrying out signal amplification processing on the second sound signal subjected to the noise reduction processing;

wherein the listening mode comprises an outdoor listening mode or an indoor listening mode.

8. A slave of a hearing assistance system as claimed in claim 7, wherein the slave further comprises a second human machine interaction module, the second human machine interaction module being in wired communication with the second control unit;

the second man-machine interaction module is used for sending the listening mode setting instruction to the second control unit when the listening mode setting instruction input by the user is obtained;

the second control unit is used for setting the current listening mode according to the listening mode setting instruction and triggering the second noise reduction unit to perform noise reduction processing on the second sound signal with the highest signal source priority according to the noise reduction processing mode corresponding to the current listening mode; the second control unit is further configured to default to the set listening mode when the listening mode setting instruction is not received.

9. A slave unit for a hearing assistance system as claimed in claim 6 wherein the second predetermined signal source priorities are in the order: the audio signal and the external sound signal output by the audio equipment;

the second sound signal processing module is used for controlling the second sound signal collecting module to stop obtaining the external sound signals when receiving the external sound signals and the audio signals output by the audio equipment until the audio signals output by the audio equipment are not obtained.

10. A hearing assistance system comprising a master as claimed in claims 1 to 5 and a slave as claimed in claims 6 to 9.

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