CN218301629U - Auxiliary listening device and auxiliary listening equipment - Google Patents

Abstract

The utility model discloses an assist and listen device and assist and listen equipment, this assist and listen the device and adopt the design of low-power consumption bluetooth SOC chip, and this chip has contained two big entity circuits of high performance treater and bluetooth radio frequency transceiver to and used the DSP chip that is used for assisting sound audio signal processing, combine to examine and join in marriage APP application software, realized wireless examining and join in marriage the function. The low-power-consumption Bluetooth SOC chip supports multiple protocols and latest LE Audio low-power-consumption Bluetooth Audio, so that the LE Audio low-power-consumption Bluetooth Audio and wireless Audio transmitted by other 2.4G protocols can be transmitted for auxiliary listening, and the auxiliary listening requirement of a special scene is met. Compared with the prior art, the circuit structure based on the auxiliary listening device improves the intelligent degree of the matching, simplifies the matching process, adapts to the intelligent terminal supporting the LE Audio and expands the application scene of auxiliary listening.

Description

Auxiliary listening device and auxiliary listening equipment

Technical Field

The utility model relates to a hearing aid technical field especially relates to an assist and listen device and assist and listen equipment.

Background

According to incomplete statistics, the number of people with hearing impairment is large in the global range, and only the number of people with hearing impairment is nearly 3000 thousands in China. With the continuous development of scientific technology, hearing assistance devices have become one of the necessary products of hearing impaired people, and particularly, hearing assistance earphones are consumer-grade electronic products for helping users including hearing-aid people to obtain better listening experience in specific scenes, are classified as personal hearing assistance devices, are suitable for places including television watching, music listening, daily communication conversation and the like, and meet the requirements of mild hearing impairment users.

In the conventional hearing-assisting earphone, a hearing test usually needs to be performed in a hospital or an earphone dealer with related equipment, and after hearing test data of a user is acquired, the hearing test data is converted into corresponding parameters to be written into the hearing-assisting earphone in a wired transmission mode. Although the testing and matching process does not depend on professional testing and matching operators excessively like professional hearing assistance equipment, a hearing assistance earphone user cannot independently complete the testing and matching process, once earphone parameters are written in, the earphone parameters cannot be flexibly changed, and the user cannot flexibly adjust according to self-experience and requirements. For the convenience of writing in hearing test data, adopt wireless mode transmission at present in order to develop, through the fitting APP of installing the specialty on intelligent terminal, pass through the transmission of low-power consumption bluetooth after the fitting is accomplished, write in the configuration parameter to assisting and listen the device, the user can independently accomplish the fitting process, simplifies greatly and checks the fitting flow, promotes user experience.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an auxiliary listening device and auxiliary listening equipment, which solve the problem of complex wired testing and matching functions in the prior art, realize a wireless testing and matching mode and simplify the testing and matching process by using a low-power Bluetooth SOC supporting multiple protocols; the wireless Audio signal can be transmitted by protocols such as 2.4G and LE Audio to assist listening, the intelligent terminal supporting the LE Audio is adapted, the auxiliary listening requirement of a special scene is met, the application scene of auxiliary listening is expanded, and the user experience is improved. Different auxiliary listening working modes can be switched through keys of the auxiliary listening device.

The utility model provides a hearing aid device in the first aspect, which comprises a low power consumption Bluetooth chip circuit, a hearing aid audio DSP processing circuit, a key circuit, a power supply circuit and an antenna; the low-power-consumption Bluetooth chip circuit comprises a radio frequency matching circuit, a low-power-consumption Bluetooth SOC chip and a communication interface, wherein the low-power-consumption Bluetooth SOC chip supports a multi-protocol and LE Audio low-power-consumption Bluetooth Audio;

the power supply circuit provides working voltage for the low-power-consumption Bluetooth SOC chip and the auxiliary audio frequency DSP processing circuit which are connected with each other through the communication interface;

the key circuit is connected with the low-power-consumption Bluetooth SOC chip and used for controlling the working mode of the auxiliary listening device so as to receive wireless audio data or voice in a surrounding scene;

the low-power-consumption Bluetooth SOC chip can receive auxiliary listening configuration parameters sent by an external intelligent terminal through the radio frequency matching circuit and the antenna, or can receive wireless Audio data sent by the external intelligent terminal through 2.4G and LE Audio protocols through the low-power-consumption Bluetooth multi-protocol SOC;

the auxiliary audio DSP processing circuit is connected with the low-power-consumption Bluetooth SOC chip through the communication interface and used for receiving the wireless audio data or the voice in a scene and amplifying and playing the wireless audio data or the voice.

Optionally, the communication interface is a serial communication interface, and the serial communication interface is one of an SPI interface, an IIC interface, and a UART interface.

Optionally, the auxiliary listening audio DSP processing circuit includes an auxiliary listening audio DSP processing chip, and a microphone circuit and a power amplifier circuit respectively connected to the auxiliary listening audio DSP processing chip;

the input end of the auxiliary audio DSP processing chip is connected with the microphone circuit, and the output end of the auxiliary audio DSP processing chip is connected with the power amplifier circuit.

Optionally, the auxiliary audio DSP processing chip is provided with two microphone input interfaces;

the microphone circuit comprises a first MIC circuit and a second MIC circuit, the first MIC circuit is connected with one of the two microphone input interfaces, and the other MIC circuit is connected with the second MIC circuit.

Optionally, the auxiliary audio DSP processing circuit further includes a prompt tone circuit connected to the auxiliary audio DSP processing chip, and configured to set a frequency and a loudness of a prompt tone of the auxiliary audio device in the auxiliary audio working mode.

Optionally, the power supply circuit includes a battery and a power management circuit, and the power management circuit is connected to the low power consumption bluetooth SOC chip and the audio frequency DSP processing chip, respectively, and is configured to control charging and discharging of the battery.

Optionally, the hearing assistance device further includes a storage circuit, configured to store sleep-assisting audio data and user data that needs to be stored;

when assisting and listening the device during operation, bluetooth low energy SOC chip passes through radio frequency matching circuit with the dormancy audio data that helps that the equipment of listening was sent is assisted in antenna reception will help the dormancy audio data storage in the memory circuit, and pass through communication interface sends to assist and listen audio DSP processing circuit and help the broadcast of dormancy audio data.

Optionally, the auxiliary listening device further includes an auxiliary listening frequency interface circuit and an auxiliary listening frequency receiving and transmitting circuit, the auxiliary listening frequency interface circuit is connected with the output end of the auxiliary listening frequency DSP processing circuit, and the auxiliary listening frequency receiving and transmitting circuit is connected with the auxiliary listening frequency interface circuit.

The utility model discloses the second aspect provides an assist and listen equipment, include: the auxiliary listening device comprises: the intelligent terminal is provided with an experience APP and at least one hearing assisting device as described in any one of the above;

and the auxiliary listening device sends a radio frequency signal through the low-power-consumption Bluetooth SOC chip circuit to be connected with the intelligent terminal.

Optionally, the intelligent terminal is internally provided with a network communication module, the network communication module is connected to an external server through the internet, and the verification and matching data is read from the external server and sent to the hearing aid device, so as to implement parameter configuration of the hearing aid device.

Has the advantages that:

the technical scheme of the utility model in, this supplementary listening device is through adopting bluetooth low energy SOC chip design, and this chip has contained two big entity circuits of high performance treater and bluetooth radio frequency transceiving ware to and used the DSP chip that is used for supplementary listening audio signal processing, combine APP application software, realized wireless testing and joining in marriage the function. The low-power-consumption Bluetooth SOC chip supports multiple protocols and supports the latest Audio LE Audio technology, so that wireless Audio signals can be transmitted by protocols such as 2.4G and LE Audio for auxiliary listening, and the auxiliary listening requirement of special scenes is met. Compared with the prior art, the circuit structure based on the auxiliary listening device improves the intelligent degree of the testing and matching, simplifies the testing and matching process, supports the intelligent terminal of the LE Audio in an adaptive manner, and expands the application scene of auxiliary listening.

Drawings

Fig. 1 is a schematic view of a first structure of an auxiliary listening device provided by the present invention;

fig. 2 is a schematic view of a second structure of the hearing aid device provided by the present invention;

fig. 3 is a schematic view of a third structure of the hearing aid device provided by the present invention;

fig. 4 is a schematic diagram of a fourth structure of the hearing aid device provided by the present invention;

fig. 5 is a schematic circuit diagram of a low power consumption bluetooth chip circuit provided by the present invention;

fig. 6 is a schematic circuit diagram of the audio-assisted DSP processing circuit provided by the present invention;

fig. 7 is a schematic circuit diagram of the audio-assisted DSP processing circuit provided by the present invention;

fig. 8 is a schematic view of a fifth structure of the hearing aid device according to the present invention;

fig. 9 is a schematic structural view of the hearing assistance device provided by the present invention.

Detailed Description

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be implemented in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," or "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The circuit structure to listening equipment is complicated in current assistance, lead to the problem that can't realize miniaturized design, the embodiment of the utility model provides an assist and listen the device and assist and listen equipment, set up master control circuit through adopting the bluetooth low energy SOC chip, two big circuits of processor module and near field communication module among the prior art have been replaced, thereby the integrated level of circuit has been improved, while bluetooth low energy SOC chip supports multiprotocol and LE Audio technique, realized assisting and listened the device and realized still realizing supporting the wireless Audio communication of multiprotocol when realizing wireless testing and matching through the bluetooth, the application scene of listening device and equipment has been expanded, the user is experienced to the use of assisting listening device and equipment to having promoted.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-8, fig. 1 is a schematic structural diagram of an auxiliary listening device according to an embodiment of the present invention, where the auxiliary listening device includes a bluetooth low energy chip circuit 101, an auxiliary listening audio DSP processing circuit 102, a power supply circuit 103, and an antenna 104; the bluetooth low energy chip circuit 101 comprises a radio frequency matching circuit 1014, a bluetooth low energy SOC chip 1013 and a communication interface 1011, wherein the bluetooth low energy SOC chip 1013 supports multiple protocols and LE Audio bluetooth low energy Audio;

the power supply circuit 103 is connected to the power supply interfaces 1021 of the bluetooth low energy chip circuit 101 and the audio-frequency DSP processing circuit 102, and is configured to provide stable dc voltage for the operations of the bluetooth low energy chip circuit 101 and the audio-frequency DSP processing circuit 102;

a communication interface 1011 is arranged on the low-power-consumption Bluetooth chip circuit 101, the auxiliary audio DSP processing circuit 102 is connected with the communication interface 1011, and the radio frequency matching circuit 1014 is connected with the antenna 104;

when the hearing aid device works, the bluetooth low energy chip circuit 101 receives a wireless signal sent by an external intelligent terminal through the antenna 104, and sends the wireless signal to the hearing aid audio DSP processing circuit 102 through the communication interface 1011 for playing. After the wireless signal is transmitted to the auxiliary listening audio DSP processing circuit 102, the auxiliary listening audio DSP processing circuit converts the wireless signal into a digital signal, and then performs processing such as gain compensation, and outputs an analog signal to the speaker for playing.

In practical applications, the bluetooth low energy circuit 101 includes a radio frequency matching circuit 1014 and a bluetooth low energy SOC chip 1013; the power supply circuit 103 is respectively connected with the power supply interfaces of the low power consumption bluetooth SOC chip 1013 and the secondary audio DSP processing circuit 102; the bluetooth low energy SOC chip 1013 is provided with a communication interface 1011, the secondary audio DSP processing circuit 102 is connected to the communication interface 1011, and the rf matching circuit 1014 is connected to the antenna.

When the auxiliary listening device works, the low-power-consumption Bluetooth SOC chip 1013 is wirelessly connected with an external intelligent terminal through a Bluetooth communication protocol and receives configuration information sent by the external intelligent terminal so as to set parameters of the auxiliary listening device; and the bluetooth low energy SOC chip 1013 receives broadcast signals in a scene through the rf matching circuit 1014 and the antenna, and sends the broadcast signals to the secondary audio DSP processing circuit 102 through the communication interface 1011 for operation and processing.

In this embodiment, the bluetooth low energy SOC chip 1013 is a chip supporting multiple protocols and LE Audio bluetooth low energy Audio, where the multiple protocols are functional characteristics of the bluetooth low energy SOC chip 1013, and based on the functional characteristics, the chip is used to design an auxiliary listening device to implement multi-protocol connection communication, and simultaneously support 2.4G and the latest LE Audio bluetooth low energy Audio, and support all new characteristics of the LE Audio. Based on the new characteristics, the sharing of broadcast audio and audio can be realized on the auxiliary listening device, and the application scene of the auxiliary listening device is expanded.

Therefore, the auxiliary listening device can be connected with an external check-matching terminal to acquire parameters of data configuration so as to realize subsequent autonomous check-matching. Specifically, two working modes are set to control the auxiliary listening device to realize different functions. In this embodiment, the two working modes are a configuration working mode and an auxiliary listening working mode, wherein the auxiliary listening working mode can be further set as an auxiliary listening working mode and a wireless auxiliary listening working mode (that is, the auxiliary listening device receives wireless audio data sent by the external intelligent terminal), wherein the configuration working mode is a configuration for implementing parameters of the auxiliary listening device, that is, an inspection function, and certainly, a setting of parameters such as a prompt tone can also be provided, and the auxiliary listening working mode is used for audio amplification playing of the surrounding environment and receiving wireless audio data for amplification playing, and is specific:

when the auxiliary listening device is in a configuration working mode, the low-power-consumption Bluetooth SOC chip establishes communication connection with an external intelligent terminal based on a Bluetooth protocol and is used for receiving auxiliary listening configuration parameters sent by the external intelligent terminal so as to realize the setting of the auxiliary listening device, wherein the auxiliary listening parameters comprise checking and matching information, volume adjustment and other related information;

when the hearing aid device is in a hearing aid working mode, the hearing aid audio DSP processing circuit 102 receives the voice in a scene, amplifies the voice and plays the amplified voice; or the bluetooth low energy SOC chip 1013 utilizes the 2.4G and LE Audio to communicate with an external intelligent terminal device through the radio frequency matching circuit 1014 and the antenna 104, and is configured to receive wireless Audio data sent by the external intelligent terminal device, and send the wireless Audio data to the auxiliary listening Audio DSP processing circuit through the communication interface to perform signal amplification and then play.

In this embodiment, the bluetooth low energy chip circuit 101 is connected to the audio signal DSP processing circuit, and specifically, the connection may be implemented by providing a communication interface circuit, for example, a serial communication circuit, where an input end of the serial communication circuit is connected to the communication interface 1011, and an output end of the serial communication circuit is connected to the audio signal DSP processing circuit 102.

In practical application, the hearing aid device mainly comprises two parts, namely a low-power consumption bluetooth multi-protocol SOC processor (namely, part 101 of the drawing, where SOC is an abbreviation of system on chip, and integrates a high-performance processor and a radio frequency transceiver), and a hearing aid DSP processor (namely, part 102 of the drawing) for processing hearing aid signals. The bluetooth low energy multi-protocol SOC chip preferably uses a bluetooth low energy multi-protocol SOC processor (such as nRF52832, nRF5340, etc.) supporting bluetooth low energy 5.2 and above, and because it can support LE Audio characteristics, the characteristics can further extend the application scenarios of the auxiliary listening device. The low power consumption bluetooth multi-protocol SOC processor and the auxiliary listening DSP processor are connected through a communication interface (i.e. a serial communication circuit in the figure), and the communication interface 1011 may be an SPI/IIC/UART interface or the like. Preferably can unite two into one low-power consumption bluetooth multiprotocol SOC treater and assist and listen the DSP treater, select the chip or the module of two unifications for use, save space, be applicable to the less application of volume, accord with the trend of assisting and listen the miniaturization of device.

Further, bluetooth low energy SOC chip can realize bluetooth function, has realized that the auxiliary listening device can realize being connected through bluetooth communication and intelligent terminal, and the intelligent terminal here is the terminal of installing the APP of testing and matching, and this intelligent terminal can be smart mobile phone, flat board or computer to install the professional APP of testing and matching. And the auxiliary listening device is wirelessly connected with the intelligent terminal through a low-power Bluetooth protocol.

Through the professional fitting APP installed on the intelligent terminal, the hearing test can be carried out, and fitting parameters can be generated. Open the inspection of APP and join in marriage the function earlier, be connected with the supplementary equipment of listening through the bluetooth agreement, connect the success back, accomplish the inspection according to the step of APP suggestion again and join in marriage. The APP algorithm generates corresponding hearing curves and parameter data according to hearing tests, then the Bluetooth of the intelligent terminal is communicated with the Bluetooth of the auxiliary hearing equipment, data such as related hearing parameters are written into the auxiliary hearing equipment, and the auxiliary hearing equipment achieves a good auxiliary hearing function based on the data such as the parameters. In this embodiment, the hearing data of the user may be obtained through a fitting APP test, where the hearing test data includes hearing test data of a left ear and a right ear, and hearing thresholds of two ears of the user at different frequencies are obtained according to the hearing test data, and the hearing test methods include, but are not limited to, pure-tone audiometry and non-pure-tone audiometry. The low-power consumption Bluetooth multiprotocol SOC processor is applied, a data transmission mode replaces a wired mode by a wireless mode, the whole testing and matching process is simple and easy to operate, and a common user can independently complete the whole testing and matching process. Meanwhile, the user can independently debug the parameters according to self-experience and requirements, and intelligent adjustment of the auxiliary listening equipment parameters is realized.

In this embodiment, as shown in fig. 2 to 4, the bluetooth low energy SOC chip 1013 includes a bluetooth low energy processor 10131 and an auxiliary circuit 10132, the bluetooth low energy processor 10131 is connected to the antenna 104 through the rf matching circuit 1014, the auxiliary circuit 10132 is connected to the bluetooth low energy processor 10131, where the auxiliary circuit 10132 is understood to be a circuit that controls the bluetooth low energy processor 10131 to normally operate, such as a crystal circuit, a clock circuit, and a reset circuit that are matched to the bluetooth low energy processor 10131.

In this embodiment, the bluetooth low energy processor 10131 supports multiple protocols, is responsible for logical operation and control of the entire hearing assistance device, receives wireless signals from the intelligent terminal through the antenna 104, such as hearing assistance audio data or configuration parameters, and transmits related data to the hearing assistance audio DSP processing circuit 102 through a serial communication circuit (SPI interface, etc.). The bluetooth low energy processor 10131 may be selected from, but is not limited to, nRF52832.

In practical applications, the bluetooth low energy processor 10131 is obtained by a chip design integrating bluetooth and auxiliary audio, the model number of which is nRF52832, the radio frequency matching circuit 1014 is implemented by a pi-type circuit designed by capacitors and inductors, and the auxiliary circuit 10132 includes two crystal oscillator circuits, a voltage divider circuit, a display circuit and a first auxiliary circuit composed of a plurality of capacitors and inductors, as shown in fig. 5.

The pi-shaped circuit designed by the capacitors and the inductors comprises a first capacitor C26, a second capacitor C23 and a first inductor L8, wherein one end of the first capacitor C26 is connected with the low-power-consumption bluetooth processor 1013 after being grounded, the other end of the first capacitor C26 is connected with one end of the first inductor L8 and then connected with the low-power-consumption bluetooth processor 1013, the other end of the first inductor L8 is connected with one end of the second inductor C23 and then connected with the antenna 104 (namely ANT2 in the figure), and the other end of the second inductor C23 is grounded.

In this embodiment, the auxiliary audio DSP processing circuit 102 includes an auxiliary audio DSP processing chip 1021, and a microphone circuit 1023 and a power amplifier circuit 1024 respectively connected to the auxiliary audio DSP processing chip 1021;

the input end of the auxiliary audio DSP 1021 is connected to the communication interface 1011 and the microphone circuit 1023, respectively, and the output end of the auxiliary audio DSP 1021 is connected to the power amplifier circuit 1024, as shown in fig. 6 and 7.

In practical application, a professional hearing aid algorithm is built in the hearing aid audio DSP processing chip 1021, and after the hearing aid audio DSP processing chip 1021 receives the hearing aid audio data sent by the bluetooth low energy SOC chip 1013 through the communication interface 1011, the hearing aid audio data is processed by the professional hearing aid algorithm, where the processing may be understood as processing of the hearing aid audio data such as digital processing, analog processing, signal compensation, signal gain, signal amplification, and the like, and then output to the power amplifier circuit 1024 for playing. The power amplifier circuit 1024 is a power amplifier circuit designed by a loudspeaker and an auxiliary component.

Meanwhile, the user can acquire the voice signals of the surrounding environment through the microphone circuit 1023, and then the acquired voice signals are compensated, amplified and the like through the auxiliary audio frequency DSP processing chip 1021 by using a professional audio algorithm, and then are output to the low-power-consumption Bluetooth SOC chip 1013 and are transmitted through the radio frequency matching circuit 1014.

Further, in a Broadcast scenario, the rf matching circuit 1014 may further receive a secondary listening Audio signal in the Broadcast scenario based on LE Audio characteristics, where one of the characteristics of LE Audio is Broadcast secondary listening Audio (Broadcast Audio), and the Broadcast secondary listening Audio technology may implement a secondary listening frequency sharing function, so that a single secondary listening Audio source device may Broadcast one or more secondary listening Audio streams to an unlimited number of secondary listening Audio receiver devices. In this embodiment, the secondary listening device serves as a receiving end, and can receive the secondary listening audio signal from the secondary listening audio transmitting end. That is to say, this supplementary listening device has not only realized using low-power consumption bluetooth multiprotocol SOC treater to realize the wireless verification of bluetooth, can also combine LE Audio and supplementary listening function is fine, and this technique is applied to supplementary listening device, except can daily interchange conversation etc. can also use in specific place.

In an open area, such as public places like a waiting room, a gymnasium, a museum, a conference hall, a cinema and the like, the auxiliary listening audio frequency transmitting end is used for transmitting auxiliary listening audio data, a large range can be covered, and a wearer of the auxiliary listening device can listen to the sound from the auxiliary listening audio frequency transmitting end by sitting at any corner within an effective distance of auxiliary listening audio transmission without additionally using other equipment. For example, the bus arrival time can be broadcasted for the groups with weak hearing or eyesight by broadcasting auxiliary audio frequency at the bus station; and different frequency bands can be selected, and auxiliary audio broadcasting of different frequency bands can be selectively received. For example, when a movie theater is playing a movie, the primary audio can be transmitted for different audiences, and the selection of the secondary audio in different languages is provided for other audiences.

Further, the hearing aid device further includes a key circuit 1022, where the key circuit 1022 is connected to the hearing aid audio DSP processing chip 1021 of the bluetooth low energy SOC chip 1013, and is configured to control a working mode of the hearing aid device, so as to receive wireless audio data or voice in a surrounding scene; in practical applications, the operation modes include a secondary listening operation mode and a wireless secondary listening operation mode (i.e. the secondary listening device receives wireless audio data transmitted by the external broadcasting device).

In this embodiment, the auxiliary listening audio DSP processing chip 1021 is provided with two microphone input interfaces;

the microphone circuit comprises a first MIC circuit and a second MIC circuit, the first MIC circuit is connected with one of the two microphone input interfaces, and the other MIC circuit is connected with the second MIC circuit. The two inputs are mainly used for collecting sounds of the external environment and inputting data into the auxiliary audio DSP processing chip 1021. Preferably, the hearing-assisted audio DSP processing chip supports 2 MIC inputs, so that two MICs can be accessed to separately process the collected environmental sounds (such as in-ear and out-ear), and a better sound effect processing effect is realized.

In this embodiment, the auxiliary listening audio DSP processing circuit further includes a warning tone circuit 1025 connected to the auxiliary listening audio DSP processing chip, and configured to set a frequency and a loudness of a warning tone of the auxiliary listening audio in the auxiliary listening operating mode. In particular to prompt that the frequency and loudness of the auxiliary listening is adjustable. Such beneficial effect lies in, and the user can set up suitable prompt tone according to the hearing loss condition of oneself for the output accords with its self demand for the prompt tone of hearing disorder user more, avoids appearing the hearing blind area, thereby can improve the degree of accuracy and the travelling comfort of assisting and listen equipment, further promotes user's use and experiences.

In this embodiment, the power supply circuit 103 includes a battery 1031 and a power management circuit 1032, and the power management circuit 1032 is respectively connected to the bluetooth low energy processor 10131 and the audio assistant DSP processing chip 1021, and is configured to output the dc voltage output by the battery 1031 to the bluetooth low energy processor 10131 and the audio assistant DSP processing chip 1021 after stabilizing the dc voltage.

In this embodiment, the hearing device further includes a storage circuit 105 for storing sleep aid audio data and user data to be saved. In practical applications, the storage circuit 105 may be connected to the bluetooth low energy chip circuit 101 or the auxiliary listening audio DSP processing circuit 102, and specifically, connected to the bluetooth low energy SOC chip 1013 or the auxiliary listening audio DSP processing chip 1021. When the hearing aid device is in the sleep-aid working mode, the bluetooth low energy SOC chip 1013 is through the radio frequency matching circuit 1014 and the antenna 104 receives wireless audio data sent by the hearing aid device, and through the communication interface send to the hearing aid audio DSP processing circuit plays the sleep-aid audio data. Namely, the sleep-aid audio data is downloaded and downloaded through the bluetooth protocol and the verification terminal or other terminals and stored in the storage circuit 105, and in the sleep-aid working mode, the sleep-aid audio data in the storage circuit 105 is read and sent to the hearing-aid audio DSP processing circuit through the communication interface to play the sleep-aid audio data, so as to realize sleep aid for the user.

As shown in fig. 8, a schematic structural diagram of another hearing assistance device is provided for this embodiment, where the hearing assistance device includes a bluetooth low energy chip circuit 101, a hearing assistance audio DSP processing circuit 103, a power supply circuit 103, and an antenna 104; the bluetooth low energy chip circuit 101 comprises a radio frequency matching circuit 1014, a bluetooth low energy SOC chip 1013 and a communication interface 1011, wherein the bluetooth low energy SOC chip 1013 supports multiple protocols and LE Audio bluetooth low energy Audio;

the power supply circuit 103 provides a working voltage for the bluetooth low energy SOC chip 1013 and the secondary audio DSP processing circuit 102 which are connected to each other through the communication interface 1011;

the low-power-consumption bluetooth SOC chip 1013 receives, through the radio frequency matching circuit 1014 and the antenna 104, the auxiliary listening configuration parameter sent by the external intelligent terminal by using the multi-protocol, or receives the wireless Audio data sent by the external intelligent terminal by using the 2.4G and LE Audio low-power-consumption bluetooth Audio protocol;

the auxiliary listening audio DSP processing circuit 102 is connected to the bluetooth low energy SOC chip 1013 through the communication interface 101, and the auxiliary listening audio DSP processing circuit 102 is configured to receive the wireless audio data or the voice in the scene, and amplify and play the signal of the wireless audio data or the voice.

Further, the auxiliary listening device further includes an auxiliary listening frequency interface circuit 106 and an auxiliary listening frequency transceiver circuit 107, the auxiliary listening frequency interface circuit 106 is connected to the output end of the auxiliary listening frequency DSP processing circuit 102, and the auxiliary listening frequency transceiver circuit 107 is connected to the auxiliary listening frequency interface circuit 106.

In practical applications, the audio transceiver 107 may be replaced by an earphone, and the audio interface 106 may be an earphone interface based on the audio DSP 1021, or may be a USB, type-C interface, or the like.

In conclusion, the low-power-consumption Bluetooth SOC chip circuit is used for realizing data processing and radio frequency communication, a processor module and a near field communication module in the prior art are replaced, the area of a circuit board 1 occupied by one chip circuit is far smaller than the area of two circuit modules, the low-power-consumption Bluetooth SOC chip circuit is a chip-level system circuit integrating a high-performance processor and a Bluetooth radio frequency transceiver, the simple and effective circuit structure design is realized, the same function is realized, the volumes of an auxiliary listening device and equipment are reduced, the integration level of the circuit is improved, the power consumption of the equipment is reduced, and the development cost is reduced.

Referring to fig. 9, in order to provide an auxiliary listening device according to an embodiment of the present invention, the auxiliary listening device includes an intelligent terminal 801 equipped with an experience APP and at least one auxiliary listening device 802;

the auxiliary listening device 802 sends a radio frequency signal through the low power consumption bluetooth SOC chip circuit to connect with the intelligent terminal 801.

The intelligent terminal 801 is internally provided with a network communication module, the network communication module is connected with an external server through the internet, and the network communication module reads the verification and configuration data from the external server and sends the verification and configuration data to the auxiliary listening device 802, so that the parameter configuration of the auxiliary listening device 802 is realized. In practical application, the intelligent terminal 801 is specifically realized by adopting mobile terminals such as a mobile phone, an experience and allocation APP is installed on the intelligent terminal 801, a low-power-consumption bluetooth SOC chip circuit on the auxiliary listening device 802 is controlled to send a radio-frequency signal to the intelligent terminal 801, after the bluetooth pairing is successful, after bluetooth communication connection between the intelligent terminal 801 and the auxiliary listening device 802 is established, a user can send a hearing test instruction to the auxiliary listening device 802 through operating the experience and allocation APP on the intelligent terminal 801, hearing test data is generated based on user feedback, and the hearing test data is stored in the auxiliary listening device 802.

The auxiliary listening device 802 is a device provided in the foregoing embodiments, as shown in fig. 1 to 7, the low power consumption bluetooth SOC chip circuit 101, the auxiliary listening audio DSP processing circuit 102, the power supply circuit 103, and the antenna 104; the bluetooth low energy chip circuit 101 comprises a radio frequency matching circuit 1014 and a bluetooth low energy SOC chip 1013;

the power supply circuit 103 is respectively connected with the power supply interfaces 1021 of the low-power-consumption bluetooth chip circuit 101 and the audio-frequency DSP processing circuit 102, and is configured to provide a stable dc voltage for the operations of the low-power-consumption bluetooth chip circuit 101 and the audio-frequency DSP processing circuit 102;

a communication interface 1011 and a radio frequency matching interface 1012 are arranged on the low power consumption bluetooth SOC chip 1013, the secondary audio DSP processing circuit 102 is connected to the communication interface 1011, and the radio frequency matching interface 1012 is connected to the antenna;

when the hearing aid device works, the bluetooth low energy chip circuit 101 receives a wireless signal sent by an external intelligent terminal through the antenna 104, and sends the wireless signal to the hearing aid audio DSP processing circuit 102 through the communication interface 1011 for playing.

In this embodiment, the hearing aid device further includes a hearing aid circuit interface 106, which is used to connect with an earphone or a power amplifier circuit, and the ambient sound is processed by the hearing aid DSP processing circuit 102 to become a sound that can be heard by the hearing-impaired user, and then played through the earphone or the power amplifier circuit.

In practical applications, the intelligent terminal 801 may also be a communication terminal connected to a server, and after the auxiliary listening device 802 is connected to the intelligent terminal 801 through bluetooth, the network communication module is controlled to access the server, read the configuration data stored in the server and send the configuration data to the auxiliary listening device 802, so as to configure parameters of the auxiliary listening device 802.

In summary, through the utility model discloses an implementation, there is following beneficial effect at least:

the utility model provides an assist and listen device and assist and listen equipment, set up master control circuit through adopting bluetooth low energy SOC chip, two big circuits of processor module and near field communication module among the prior art have been replaced, thereby the integrated level of circuit has been improved, bluetooth low energy SOC chip is the chip circuit of two kinds of functions of integrated high performance treater and bluetooth radio frequency communication simultaneously, support multi-protocol and LE Aduio bluetooth low energy audio frequency simultaneously, wireless fitting has been realized, except traditional assistance and listen the function, it is used for assisting and listens still to have realized receiving wireless data, the application scene of assisting listening device and equipment has been expanded, the user is experienced to the use of assisting listening device and equipment to having promoted.

Meanwhile, the matched terminal is arranged, so that the auxiliary listening device can adjust the configuration parameters of the auxiliary listening device in real time through the checking and matching function without professional persons or mechanisms, and real-time adaptation of the auxiliary listening device is realized; furthermore, the main control circuit designed by the low-power-consumption Bluetooth SOC chip realizes receiving of Audio data of the LE Audio due to the LE Audio characteristic, adapts to the intelligent terminal supporting the LE Audio, and expands the use scene of the auxiliary listening device.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The auxiliary listening device is characterized by comprising a low-power-consumption Bluetooth chip circuit, an auxiliary listening audio DSP processing circuit, a key circuit, a power supply circuit and an antenna; the low-power-consumption Bluetooth chip circuit comprises a radio frequency matching circuit, a low-power-consumption Bluetooth SOC chip and a communication interface, wherein the low-power-consumption Bluetooth SOC chip supports a multi-protocol and LE Audio low-power-consumption Bluetooth Audio;

the power supply circuit provides working voltage for the low-power-consumption Bluetooth SOC chip and the auxiliary audio frequency DSP processing circuit which are connected with each other through the communication interface;

the key circuit is connected with the low-power-consumption Bluetooth SOC chip and used for controlling the working mode of the auxiliary listening device so as to receive wireless audio data or voice in surrounding scenes;

the low-power-consumption Bluetooth SOC chip can receive auxiliary listening configuration parameters sent by an external intelligent terminal through the radio frequency matching circuit and the antenna, or can receive wireless Audio data sent by the external intelligent terminal through 2.4G and LE Audio protocols through the low-power-consumption Bluetooth multiprotocol SOC;

the auxiliary listening audio DSP processing circuit is connected with the low-power-consumption Bluetooth SOC chip through the communication interface and is used for receiving the wireless audio data or the voice in a scene and amplifying and playing the wireless audio data or the voice.

2. The hearing device of claim 1, wherein the communication interface is a serial communication interface, the serial communication interface being one of an SPI interface, an IIC interface, and a UART interface.

3. The hearing aid device according to claim 1, wherein the hearing aid audio DSP processing circuit comprises a hearing aid audio DSP processing chip, and a microphone circuit and a power amplifier circuit respectively connected to the hearing aid audio DSP processing chip;

the input end of the auxiliary audio DSP processing chip is connected with the microphone circuit, and the output end of the auxiliary audio DSP processing chip is connected with the power amplifier circuit.

4. The hearing aid device according to claim 3, wherein the hearing aid audio DSP processing chip is provided with two microphone input interfaces;

the microphone circuit comprises a first MIC circuit and a second MIC circuit, the first MIC circuit is connected with one of the two microphone input interfaces, and the other MIC circuit is connected with the second MIC circuit.

5. The hearing aid device according to claim 3, wherein said hearing aid audio DSP processing circuit further comprises an alert tone circuit connected to said hearing aid audio DSP processing chip for setting a frequency and loudness of a hearing aid device alert tone in a hearing aid operating mode.

6. The hearing aid device according to claim 3, wherein the power supply circuit comprises a battery and a power management circuit, and the power management circuit is respectively connected with the Bluetooth low energy (SOC) chip and the hearing aid audio Digital Signal Processor (DSP) chip and is used for controlling charging and discharging of the battery.

7. The hearing device according to any one of claims 1-6, further comprising a storage circuit for storing sleep aid audio data and user data to be saved;

when assisting and listening the device during operation, bluetooth low energy SOC chip passes through radio frequency matching circuit with the dormancy audio data that helps that the equipment of listening was sent is assisted in antenna reception will help the dormancy audio data storage in the memory circuit, and pass through communication interface sends to assist and listen audio DSP processing circuit and help the broadcast of dormancy audio data.

8. The hearing aid device according to claim 1, further comprising a hearing aid interface circuit and a hearing aid receiver circuit, wherein the hearing aid interface circuit is connected to an output of the hearing aid DSP processing circuit, and the hearing aid receiver circuit is connected to the hearing aid interface circuit.

9. An auxiliary listening device, characterized in that the auxiliary listening device comprises: a smart terminal equipped with a fitting APP and at least one hearing device according to any one of claims 1 to 8;

and the auxiliary listening device sends a radio frequency signal through the low-power-consumption Bluetooth chip circuit to be connected with the intelligent terminal.

10. The hearing assistance device according to claim 9, wherein the intelligent terminal is internally provided with a network communication module, the network communication module is connected to an external server through the internet, and the network communication module reads the fitting data from the external server and transmits the fitting data to the hearing assistance device, so as to configure parameters of the hearing assistance device.

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