CN114793310B

CN114793310B - Intelligent hearing monitoring system and application method thereof

Info

Publication number: CN114793310B
Application number: CN202111237394.9A
Authority: CN
Inventors: 李华伟; 姜鸿彦; 文卫平; 郑亿庆; 熊观霞; 蔡成福; 虞幼军; 熊彬彬; 卢伟; 杨见明; 蓝天翔; 邓一多; 蓝军
Original assignee: Foshan Bozhi Medical Technology Co ltd
Current assignee: Foshan Bozhi Medical Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2024-07-26
Anticipated expiration: 2041-10-22
Also published as: CN114793310A

Abstract

The invention discloses an intelligent hearing monitoring system which can be in communication connection with a mobile phone, wherein the intelligent hearing monitoring system comprises an earphone body and a signal processing unit, the earphone body comprises a shell, a DSP chip, a first sound input end, a second sound input end and a sound output end, the DSP chip, the first sound input end, the second sound input end and the sound output end are arranged in the shell, the first sound input end, the second sound input end and the sound output end are all electrically connected with the DSP chip, the signal processing unit is arranged in the earphone body, the signal processing unit comprises an MCU chip, an A/D converter and a starting switch, the A/D converter and the starting switch are all electrically connected with the MCU chip, the A/D converter is electrically connected with the second sound input end, the DSP chip is electrically connected with the MCU chip, and the DSP chip and the two are in communication connection with the mobile phone. An application method of the intelligent hearing monitoring system is also disclosed. The system can be put into the existing earphone products, and the hearing state of a user can be monitored by only wearing the earphone by utilizing the structure of the existing earphone and the data communication framework.

Description

Intelligent hearing monitoring system and application method thereof

Technical Field

The invention relates to the field of audiometric equipment, in particular to an intelligent hearing monitoring system and an application method thereof.

Background

The world health organization indicates that about 11 million young people (12-35 years old) all over the world face the potential for hearing loss due to the long-term loud-volume habit of listening to music with headphones. In China, related institutions have conducted questionnaires on 3826 college students in a certain university, and as a result, the earphone use rate is found to be 99.8%, and in the students receiving the investigation, more than 1000 people with noise damage already appear, and the proportion is close to 30%.

As headphones are increasingly used, they cause harm to the human ear hearing, resulting in an increased risk of hearing loss.

However, the existing earphone only has the functions of playing sound and reducing noise, but cannot monitor the hearing status, and additional equipment or devices are needed to monitor the hearing status of the user, so that the operation process is not only troublesome but also has high cost.

Disclosure of Invention

The invention aims to provide an intelligent hearing monitoring system which can realize noise reduction, improve the accuracy and reliability of hearing test, ensure that the test process is not influenced by environmental change and at least solve one of the problems.

According to one aspect of the present invention, there is provided an intelligent hearing monitoring system capable of being in communication connection with a mobile phone, the intelligent hearing monitoring system including an earphone body and a signal processing unit, the earphone body including a housing, and a DSP chip, a first sound input end, a second sound input end and a sound output end provided in the housing, the first sound input end, the second sound input end and the sound output end being all electrically connected with the DSP chip, the signal processing unit being built in the earphone body, the signal processing unit including an MCU chip, an a/D converter and a plurality of start switches, the a/D converter and the plurality of start switches being all electrically connected with the MCU chip, the a/D converter being electrically connected with the second sound input end, the DSP chip being electrically connected with the MCU chip and both being in communication connection with the mobile phone;

the first sound input end is arranged on the outer wall of the shell and faces to the outer side, and is used for picking up environmental sound;

The sound output end faces the auditory canal and is used for outputting a sound signal;

the second sound input end is arranged on the outer wall of the shell and faces the inner side of the auditory canal and is used for picking up sound signals in the auditory canal;

the A/D converter is used for converting the sound signal picked up by the second sound input end into a digital signal and feeding the digital signal back to the MCU chip;

the MCU chip is matched with the mobile phone for communication and transmits signals back to the mobile phone;

The mobile phone can perform superposition analysis on the sound signal collected from the ear canal.

Therefore, the invention provides an intelligent hearing monitoring system with a brand new structure, in practical application, the intelligent hearing monitoring system can be placed into an existing intelligent coding earphone product, the hearing state of a user can be monitored by only wearing the earphone by utilizing the structure of the existing earphone and the data communication architecture, data are stored, meanwhile, superposition calculation is carried out on the data each time, the calculation result of superposition of monitoring data is in butt joint with the coding system of the earphone for more than three times, fine adjustment is carried out on the coding strategy of the earphone or abnormality of the hearing state of a patient is prompted, for example, warning is carried out when the standard of sudden deafness is reached.

The intelligent hearing monitoring system can monitor the hearing state when the earphone is used, and plays an important role in protecting hearing, finding hearing loss, predicting hearing development trend, performing instant intervention, performing accurate intervention, performing hearing rehabilitation and the like.

In some embodiments, the earphone body further includes a first communication module integrated on the DSP chip and electrically connected to both the DSP chip and the MCU chip, and the mobile phone has a second communication module disposed therein, and the second communication module is in wireless communication cooperation with the first communication module. Therefore, invalid communication can be realized, wiring is reduced, and meanwhile, the data interaction speed is improved.

In some embodiments, the starting switch includes a first switch, a second switch and a third switch, the first switch is a low-pass switch set according to a hearing threshold HL of a human ear hearing dynamic range, the second switch is a high-pass switch set according to a human ear discomfort threshold UCL, and the third switch is a mobile phone test function switch set according to a signal processing unit execution function item;

starting the signal processing unit by switching on and off when the ambient sound picked up by the first sound input end is lower than the hearing threshold value HL;

When the sound signal in the auditory canal picked up by the second sound input end exceeds the human ear discomfort threshold UCL, the second signal processing unit is started through the switch, and then the maximum output sound pressure of the sound output end is controlled;

and whether the signal processing unit and the mobile phone are interacted or not can be controlled through the switch III.

Therefore, when the earphone is used and charged, the signal processing unit is always in a closed state; the first switch can be used for starting the signal processing unit, starting the hearing monitoring function, the second switch can be used for starting the DSP chip to control the maximum volume of the sound output end to output music or voice, and the third switch can be used for hearing monitoring and coding verification, so that hearing perception is improved, and hearing is protected.

In some embodiments, after the signal processing unit is started by the switch, the DSP chip is in communication connection with the mobile phone, and can receive an "audiometric" instruction sent by the mobile phone, after the mobile phone sends the "audiometric" instruction, the sound output end automatically emits a set of specific sounds, the sounds are received by the second sound input end after entering the auditory canal, and then are converted into digital signals by the a/D converter, and are processed by the MCU chip and are transmitted back to the mobile phone, the sound signals collected from the auditory canal are superimposed and analyzed by the mobile phone, the analysis result is presented in a chart format, the chart can be compared with the hearing data led into the DSP chip, the comparison data is marked with HLD data, and the HLD data can be used for hearing monitoring.

In some embodiments, when HLD data is completed more than three times, a "coding" instruction may be issued by the mobile phone to modify the hearing data in the DSP chip, thereby modifying the output dynamic range of the sound output.

In some embodiments, the headset body is a TWS headset with hybrid ANC functionality and DSP chip code verification functionality.

In some embodiments, the first sound input and the second sound input are both ANC microphones. Thus, ANC in the ANC microphone is fully spliced Active Noise Cancellation, which means active noise reduction.

According to one aspect of the present invention, there is provided a method of using an intelligent hearing monitoring system, comprising at least the steps of:

s1, an intelligent hearing monitoring system is placed into a coded earphone product, and the hearing state of a user is monitored through the coded earphone product by utilizing the structure of the existing earphone and the data communication architecture;

S2, storing the monitored data, and simultaneously carrying out superposition calculation on each data;

S3, butting the calculation result of overlapping the monitoring data for more than 3 times with a coding system of the earphone;

s4, fine tuning the coding strategy of the earphone or prompting the abnormal hearing state of the patient.

The invention has the beneficial effects that:

The invention provides an intelligent hearing monitoring system with a brand new structure, which can be put into the existing intelligent coding earphone products in practical application, can monitor the hearing state of a user by utilizing the structure of the existing earphone and the data communication architecture and only wearing the earphone, stores data, carries out superposition calculation on the data each time, and carries out butt joint on the calculation result of superposition of monitoring data for more than three times and the coding system of the earphone, so as to finely adjust the coding strategy of the earphone or prompt the abnormal hearing state of a patient, for example, warn when reaching the sudden deafness standard.

Drawings

Fig. 1 is a schematic perspective view of an earphone body of an intelligent hearing monitoring system according to an embodiment of the present invention;

Fig. 2 is a block diagram of an intelligent hearing monitoring system according to an embodiment of the present invention.

Reference numerals in fig. 1 to 2: 1-a mobile phone; 2-an intelligent hearing monitoring system; 11-a second communication module; 21-an earphone body; a 22-signal processing unit; 211-a housing; 212-a DSP chip; 213-a first sound input; 214-a second sound input; 215-a sound output; 216-a first communication module; 221-MCU chip; a 222-A/D converter; 223-activate switch; 223 a-switch one; 223b—switch two; 223 c-switch three.

Detailed Description

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

Fig. 1-2 schematically illustrate an intelligent hearing monitoring system according to an embodiment of the present invention.

As shown in fig. 1-2, the present invention provides an intelligent hearing monitoring system 2 capable of monitoring a hearing status. In practical application, the intelligent hearing monitoring system 2 can be put into the existing intelligent coding earphone product, the hearing state of a user is monitored by utilizing the structure of the existing earphone and the data communication architecture, data are stored, meanwhile, superposition calculation is carried out on each data, the calculation result of superposition of monitoring data for more than three times is in butt joint with the coding system of the earphone, the coding strategy of the earphone is finely adjusted, or the abnormal hearing state of a patient is prompted, for example, warning is carried out when the standard of sudden deafness is reached.

The intelligent hearing monitoring system 2 of the invention comprises a signal processing unit 22, wherein the signal processing unit 22 is a unit composed of an MCU chip 221 and embedded software, can be matched with a coding earphone with an ANC function for use, and utilizes the existing components as input and output ports of the invention to realize the purpose of the invention.

The intelligent hearing monitoring system 2 is mainly applied to TWS (real wireless) headphones with a hybrid ANC function and a DSP chip coding and matching function.

The signal processing unit 22 is composed of an MCU chip 221 and software embedded in the MCU chip 221 and the DSP chip 212; the components such as an ANC microphone, a DSP chip 212 for coding and matching, a TWS loudspeaker and the like in the TWS earphone are combined into the intelligent hearing monitoring system 2 by utilizing an I/O interface of the MCU chip;

The software system embedded in the MCU chip 221 is provided with a plurality of start switches 223 for controlling the start and stop of the signal processing unit 22 of the present invention. The number of the start switches 223 in the present invention is three, namely a first switch 223a, a second switch 223b and a third switch 223c. Wherein: switch one 223a is a low-pass switch set according to the hearing threshold HL of the human ear hearing dynamic range; switch two 223b is a high-pass switch set according to the human ear discomfort threshold UCL; switch three 223c is a mobile phone 1 test function switch that performs function item setting according to the signal processing unit 22.

The signal processing unit 22 is activated by the switch one 223a when the ambient sound picked up by the first sound input 213 is below the hearing threshold HL;

The signal processing unit 22 is activated by the switch two 223b when the sound signal in the auditory canal picked up by the second sound input terminal 214 exceeds the human ear discomfort threshold UCL, and then the maximum output sound pressure of the sound output terminal 215 is controlled;

control of whether the signal processing unit 22 interacts with the handset 1 is achieved by the switch three 223 c.

Thus, the signal processing unit 22 is always in an off state when the headset is in use and charged; the signal processing unit 22 can be started by the switch one 223a, the hearing monitoring function can be started, the DSP chip 212 can be started by the switch two 223b to control the maximum volume of the sound output end 215 to output music or voice, and the hearing monitoring and the coding verification can be performed by the switch three 223c, so that the hearing perception is improved, and the hearing is protected.

The earphone body 21 of the present embodiment includes a housing 211, a DSP chip 212 provided in the housing 211, a first sound input terminal 213, a second sound input terminal 214, and a sound output terminal 215. The first sound input end 213, the second sound input end 214 and the sound output end 215 are electrically connected with the DSP chip 212, the signal processing unit 22 is built in the earphone body 21, the signal processing unit 22 comprises an MCU chip 221, an a/D converter 222 and a plurality of start switches 223, the a/D converter 222 and a plurality of start switches 223 are electrically connected with the MCU chip 221, the a/D converter 222 is electrically connected with the second sound input end 214, the DSP chip 212 is electrically connected with the MCU chip 221, and both the DSP chip and the MCU chip 221 are in communication connection with the mobile phone 1.

The first sound input end 213 is disposed on the outer wall of the housing 211 and faces to the outside for picking up the ambient sound;

The sound output 215 is directed towards the ear canal and is used for outputting sound signals;

The second sound input end 214 is disposed on the outer wall of the housing 211 and faces the inner side of the ear canal, for picking up a sound signal in the ear canal;

the a/D converter 222 is configured to convert the sound signal picked up by the second sound input terminal 214 into a digital signal and feed back the digital signal to the MCU chip 221;

the MCU chip 221 is matched with the mobile phone 1 in communication to transmit signals back to the mobile phone 1;

the mobile phone 1 can perform superposition analysis of sound signals collected from within the ear canal.

The earphone body 21 further includes a first communication module 216, where the first communication module 216 is integrated on the DSP chip 212 and electrically connected to both the DSP chip 212 and the MCU chip 221, and the mobile phone 1 is internally provided with a second communication module 11, and the second communication module 11 is in wireless communication cooperation with the first communication module 216. Therefore, invalid communication can be realized, wiring is reduced, and meanwhile, the data interaction speed is improved. The first communication module 216 and the second communication module 11 of the present embodiment may be a combination of a wireless bluetooth transmitter and a wireless bluetooth receiver. Bluetooth connection may be implemented.

When the signal processing unit 22 is started by the switch 223a, the DSP chip 212 is in communication connection with the mobile phone 1, and can receive the "audiometric" instruction sent by the mobile phone 1, after the mobile phone 1 sends the "audiometric" instruction, the sound output end 215 will automatically emit a set of specific sounds, after the sounds enter the auditory canal, the sounds will be received by the second sound input end 214, and then converted into digital signals by the a/D converter 222, and then processed by the MCU chip and transmitted back to the mobile phone 1, and the sound signals collected from the auditory canal are superimposed and analyzed by the mobile phone 1, and the analysis result is presented in a chart format, and the chart can be compared with the hearing data imported into the DSP chip 212, and the comparison data is marked with HLD data, and the HLD data can be used for hearing monitoring.

When HLD data is completed more than three times, the mobile phone 1 can send out a coding command to modify the hearing data in the DSP chip 212, thereby modifying the output dynamic range of the sound output end 215.

The earphone body 21 of the present embodiment is a TWS earphone having a hybrid ANC function and a DSP chip code matching function. The first sound input 213 and the second sound input 214 are ANC microphones. Thus, ANC in the ANC microphone is fully spliced Active Noise Cancellation, which means active noise reduction.

According to another aspect of the present invention, there is also provided a method of using an intelligent hearing monitoring system 2, comprising at least the steps of:

s1, an intelligent hearing monitoring system 2 is placed into a coded earphone product, and the hearing state of a user is monitored through the coded earphone product by utilizing the structure of the existing earphone and the data communication architecture;

The specific working principle is as follows: switch one 223a of the MCU chip 221 sets the intelligent hearing monitoring system 2 to be started when the number of ambient sounds picked up by the first sound input terminal 213 is lower than HL; in an environment with very low external sound pressure, the intelligent hearing monitoring system 2 is connected with the mobile phone 1 through Bluetooth of the TWS earphone at this time, and can receive an audiometric command sent by the mobile phone 1, after the mobile phone 1 sends the audiometric command, the sound output end 215 of the earphone body 21 automatically emits a group of specific sounds, the sounds are received by the second sound input end 214 after entering the auditory canal, the sounds are acquired through the second sound input end 214 and then are converted into digital signals through A/D (analog to digital) and then are transmitted to the mobile phone 1 through MCU chip 221 and Bluetooth, finally, the signals are transmitted back to the mobile phone 1, the sound signals acquired from the auditory canal are subjected to superposition analysis through special software, an analysis result is presented in a chart format, and the chart can be compared with hearing data imported into the DSP chip 212 of the encoded earphone, and the comparison data is marked by HLD, so that the intelligent hearing monitoring system can be used for hearing monitoring.

When the first sound input end 213 detects that the environmental sound is higher than the hearing threshold, the sound insulation earmuff can be worn in the environment higher than the hearing threshold to reduce the detection value of the first sound input end 213, then the intelligent hearing monitoring system 2 is started, a sound measurement instruction is sent out again through the mobile phone 1, specific sound is emitted, and a new chart is created to be compared with the hearing data in the DSP chip 212 to obtain a new HLD; when HLD is completed three times or more, the mobile phone 1 can send out a coding command to modify the hearing data in the DSP chip 212 of the coding earphone, thereby modifying the output dynamic range of the sound output end 215 of the coding earphone.

The invention provides an intelligent hearing monitoring system 2 with a brand new structure, in practical application, the intelligent hearing monitoring system 2 can be placed into an existing intelligent coding earphone product, the hearing state of a user can be monitored and data can be stored only by wearing the earphone by utilizing the structure of the existing earphone and the data communication framework, meanwhile, superposition calculation is carried out on the data each time, the calculation result of superposition of monitoring data of more than three times is in butt joint with the coding system of the earphone, the coding strategy of the earphone is finely adjusted or abnormality of the hearing state of a patient is prompted, for example, warning is carried out when the standard of sudden deafness is reached.

The intelligent hearing monitoring system 2 of the present invention can monitor the hearing status while using headphones, and has important roles in protecting hearing, finding hearing loss, predicting hearing development trend, performing immediate intervention, performing accurate intervention, performing hearing rehabilitation, and the like.

What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.

Claims

1. The intelligent hearing monitoring system is capable of being in communication connection with a mobile phone (1), and is characterized in that the intelligent hearing monitoring system (2) comprises an earphone body (21) and a signal processing unit (22), the earphone body (21) comprises a shell (211) and a DSP chip (212) arranged on the shell (211), a first sound input end (213), a second sound input end (214) and a sound output end (215), the first sound input end (213), the second sound input end (214) and the sound output end (215) are electrically connected with the DSP chip (212), the signal processing unit (22) is built in the earphone body (21), the signal processing unit (22) comprises an MCU chip (221), an A/D converter (222) and a plurality of starting switches (223), the A/D converter (222) and the starting switches (223) are electrically connected with the MCU chip (221), and the A/D converter (222) is electrically connected with the second sound input end (214) chip (212), and the signal processing unit (22) is built in the earphone body (21), and the signal processing unit (22) comprises a plurality of starting switches (223) and a plurality of starting switches, and the starting switches (223) are electrically connected with the MCU chip (221), and the starting switches are electrically connected with the starting switches.

The first sound input end (213) is arranged on the outer wall of the shell (211) and faces outwards, and is used for picking up environmental sound;

The sound output (215) is directed towards the ear canal and is adapted to output a sound signal;

The second sound input end (214) is arranged on the outer wall of the shell (211) and faces the inner side of the auditory canal and is used for picking up sound signals in the auditory canal;

the A/D converter (222) is used for converting the sound signal picked up by the second sound input end (214) into a digital signal and feeding back the digital signal to the MCU chip (221);

the MCU chip (221) is matched with the mobile phone (1) in communication to transmit signals back to the mobile phone (1);

the mobile phone (1) can perform superposition analysis on sound signals collected from the auditory canal.

2. The intelligent hearing monitoring system according to claim 1, wherein the headset body (21) further comprises a first communication module (216), the first communication module (216) is integrated in the DSP chip (212) and electrically connected to both the DSP chip (212) and the MCU chip (221), the mobile phone (1) is provided with a second communication module (11) inside, and the second communication module (11) is in wireless communication fit with the first communication module (216).

3. The intelligent hearing monitoring system according to claim 1, wherein the activation switch (223) comprises a switch one (223 a), a switch two (223 b) and a switch three (223 c), the switch one (223 a) being a low-pass switch set according to a hearing threshold HL of the human ear hearing dynamic range, the switch two (223 b) being a high-pass switch set according to a human ear discomfort threshold UCL, the switch three (223 c) being a cell phone (1) test function switch set according to the signal processing unit (22) performing a function item;

-activating the signal processing unit (22) by means of a switch one (223 a) when the ambient sound picked up by the first sound input (213) is below a hearing threshold HL;

Activating the signal processing unit (22) through a second switch (223 b) when the sound signal in the auditory canal picked up by the second sound input terminal (214) exceeds the human ear discomfort threshold UCL, and then controlling the maximum output sound pressure of the sound output terminal (215) to protect hearing;

control of whether or not the signal processing unit (22) and the mobile phone (1) are interactive can be achieved through the switch III (223 c).

4. A smart hearing monitoring system according to claim 3, characterized in that, after the signal processing unit (22) is activated by the switch one (223 a), the DSP chip (212) is communicatively connected to the mobile phone (1) and is capable of receiving an "audiometric" command issued by the mobile phone (1), after the mobile phone (1) issues the "audiometric" command, the sound output (215) automatically emits a set of specific sounds, which after entering the auditory canal are received by the second sound input (214), are then converted into digital signals by the a/D converter (222), and are processed by the MCU chip (221) back into the mobile phone (1), and the sound signals collected from the auditory canal are subjected to a superposition analysis by the mobile phone (1), and the analysis result is presented in a graph format, which can be compared with the hearing data imported into the DSP chip (212), and the comparison data is marked with HLD data, which can be used for hearing monitoring.

5. The intelligent hearing monitoring system according to claim 4, wherein when HLD data is completed more than three times, the mobile phone (1) can issue a "coding" instruction to modify the hearing data in the DSP chip (212) and further modify the output dynamic range of the sound output (215).

6. The intelligent hearing monitoring system according to claim 1, wherein the headset body (21) is a TWS headset with hybrid ANC functionality and DSP chip (212) code-check-fit functionality.

7. The intelligent hearing monitoring system of claim 6, wherein the first sound input (213) and the second sound input (214) are ANC microphones.