CN114793310A - Intelligent hearing monitoring system and application method thereof - Google Patents

Abstract

The invention discloses an intelligent hearing monitoring system which can be in communication connection with a mobile phone and comprises an earphone body and a signal processing unit, wherein the earphone body comprises a shell, a DSP chip arranged on the shell, a first sound input end, a second sound input end and a sound output end, 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 and internally 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 MCU chip are both in communication connection with the mobile phone. An application method of the intelligent hearing monitoring system is also disclosed. The system can be arranged in the existing earphone product, and the monitoring of the hearing state of the user can be realized only by wearing the earphone by utilizing the structure of the existing earphone and the architecture of data communication.

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 hundred million young people (12-35 years old) around the world face the hidden danger of hearing loss due to the habit of listening to music using earphones with large volume for a long time. In China, a relevant organization has performed questionnaire survey on 3826 college students in a college, and the result shows that the utilization rate of the earphones is 99.8%, more than 1000 persons with noise damage appear in students receiving the survey, and the proportion of the students is close to 30%.

As the use of earphones increases, they cause damage to the hearing of the human ear, leading to an increased risk of hearing loss.

However, the existing earphones only have the functions of sound playing and noise reduction, but cannot monitor the hearing state, and additional equipment or devices are required to monitor the hearing state of the user, so that the operation process is troublesome and the cost is high.

Disclosure of Invention

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

According to one aspect of the invention, an intelligent hearing monitoring system capable of being in communication connection with a mobile phone is provided, and comprises an earphone body and a signal processing unit, wherein the earphone body comprises a shell, a DSP chip arranged on the shell, a first sound input end, a second sound input end and a sound output end, 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 internally arranged in the earphone body and comprises an MCU chip, an A/D converter and a plurality of starting switches, the A/D converter and the plurality of starting switches 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 MCU chip are both in communication connection with the mobile phone;

the first sound input end is arranged on the outer wall of the shell and faces outwards and is used for picking up ambient 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 towards 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 in communication fit with the mobile phone to transmit the signal back to the mobile phone;

the mobile phone can perform superposition analysis on the sound signals collected from the auditory 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 the existing intelligent coding earphone product, the structure of the existing earphone and the data communication framework are utilized, the hearing state of a user can be monitored by only wearing the earphone, data is stored, meanwhile, data of each time is superposed and calculated, the calculation result of the superposition of more than three monitoring data is butted with the coding system of the earphone, and the coding strategy of the earphone is finely adjusted or the abnormity of the hearing state of the patient is prompted, for example, the alarm is given 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, immediately intervening, accurately intervening, hearing recovery and the like.

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

In some embodiments, the start switch comprises a first switch, a second switch and a third switch, wherein 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 function item executed by the signal processing unit;

when the ambient sound picked up by the first sound input end is lower than the hearing threshold HL, the signal processing unit is started through a switch I;

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

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

Therefore, when the earphone is used and charged, the signal processing unit is always in a closed state; the signal processing unit can be started by the first switch, the hearing monitoring function is started, the DSP chip can be started by the second switch to control the maximum volume of music or voice output by the voice output end, and the hearing monitoring and coding matching can be performed by the third switch, so that the hearing perception is improved, and the 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 "audiometry" instruction sent by the mobile phone, and after the "audiometry" instruction is sent by the mobile phone, the sound output end can automatically emit a group of specific sounds, and these sounds can be received by the second sound input end after entering the ear canal, and then converted into digital signals by a/D, and then processed and transmitted back to the mobile phone by the MCU chip, and the sound signals collected from the ear canal are subjected to superposition analysis by the mobile phone, and the analysis result is presented in a chart format, and this chart can be compared with the hearing data introduced into the DSP chip, and the comparison data is labeled with HLD data, which can be used for hearing monitoring.

In some embodiments, when the HLD data is completed more than three times, the mobile phone may send an "encode" instruction to modify the hearing data in the DSP chip, so as to modify the output dynamic range of the sound output terminal.

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

In some embodiments, the first sound input and the second sound input are both ANC microphones. Thus, ANC in an ANC microphone is grouped into Active Noise Cancellation, i.e., Active Noise reduction.

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

s1, placing the intelligent hearing monitoring system into a coding earphone product, and monitoring the hearing state of a user through the coding earphone product by using the structure of the existing earphone and the architecture of data communication;

s2, storing the monitored data, and simultaneously performing superposition calculation on the data of each time;

s3, butting the calculation result of the monitoring data superposition for more than 3 times with the coding system of the earphone;

and S4, fine adjustment is carried out on the coding strategy of the earphone or the abnormal hearing state of the patient is prompted.

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 product in practical application, the structure of the existing earphone and the structure of data communication are utilized, the hearing state of a user can be monitored only by wearing the earphone, data is stored, simultaneously, data of each time is superposed and calculated, the calculation result of superposition of monitoring data more than three times is butted with the coding system of the earphone, and the coding strategy of the earphone is finely adjusted or the abnormity of the hearing state of the patient is prompted, for example, the alarm is given when the standard of sudden hearing loss 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, immediately intervening, accurately intervening, hearing recovery and the like.

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

Detailed Description

The present invention is described in further detail below with reference to the specific drawings.

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

As shown in fig. 1-2, the present invention provides an intelligent hearing monitoring system 2 capable of monitoring hearing status. In practical application, the intelligent hearing monitoring system 2 can be embedded into an 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 structure, data is stored, meanwhile, the data of each time is subjected to superposition calculation, the calculation result of the superposition of more than three times of monitoring data is in butt joint with the coding system of the earphone, the coding strategy of the earphone is finely adjusted, or the abnormality of the hearing state of the patient is prompted, for example, the alarm is given 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 consisting 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 the input and output ports of the invention to realize the purpose of the invention.

The intelligent hearing monitoring system 2 of the invention is mainly applied to a TWS (true wireless) earphone with a mixed 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 into the MCU chip 221 and the DSP chip 212; an I/O interface of the MCU chip is utilized to combine components such as an ANC microphone, a DSP chip 212 for code matching, a TWS loudspeaker and the like in the TWS earphone into an intelligent hearing monitoring system 2;

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 starting switches 223 of the present invention is three, which are a switch one 223a, a switch two 223b and a switch three 223 c. Wherein: the first switch 223a is a low-pass switch which is set according to a hearing threshold HL of a human ear hearing dynamic range; the second switch 223b is a high-pass switch arranged according to the human ear discomfort threshold UCL; the switch three 223c is a test function switch of the cellular phone 1 which executes function item setting according to the signal processing unit 22.

When the ambient sound picked up by the first sound input terminal 213 is lower than the hearing threshold HL, the signal processing unit 22 is activated by the switch one 223 a;

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

the switch three 223c can control whether the signal processing unit 22 and the mobile phone 1 interact with each other.

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

The headphone body 21 of the present embodiment includes a housing 211, and a DSP chip 212, a first sound input terminal 213, a second sound input terminal 214, and a sound output terminal 215 provided in the housing 211. First sound input end 213, second sound input end 214 and sound output end 215 all with DSP chip 212 electric connection, place in the earphone body 21 in the signal processing unit 22, signal processing unit 22 includes MCU chip 221, AD converter 222 and a plurality of starting switch 223 all with MCU chip 221 electric connection, AD converter 222 and second sound input end 214 electric connection, DSP chip 212 with MCU chip 221 electric connection and both all with cell-phone 1 communication connection.

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

the sound output 215 is directed towards the ear canal and is used for outputting a sound signal;

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, and is used for picking up sound signals in the ear canal;

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

the MCU chip 221 is in communication fit with the mobile phone 1 to transmit the signal back to the mobile phone 1;

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

The earphone body 21 further includes a first communication module 216 integrated on the DSP chip 212 and electrically connected to both the DSP chip 212 and the MCU chip 221, a second communication module 11 is disposed in the mobile phone 1, and the second communication module 11 is in wireless communication with the first communication module 216. Therefore, invalid communication can be realized, wiring is reduced, and 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. A bluetooth connection may be implemented.

After the signal processing unit 22 is started by the switch one 223a, the DSP chip 212 is in communication connection with the mobile phone 1, and can receive an "audiometry" instruction sent by the mobile phone 1, and after the "audiometry" instruction is sent by the mobile phone 1, the sound output end 215 can automatically emit a group of specific sounds, and after the sounds enter the ear canal, the sounds are received by the second sound input end 214, and then are converted into digital signals through a/D, and then processed and returned to the mobile phone 1 through the MCU chip, and the sound signals collected from the ear canal are subjected to superposition analysis through the mobile phone 1, and the analysis result is presented in a chart format, and the chart can be compared with the hearing data introduced into the DSP chip 212, and the comparison data is labeled with HLD data, and the HLD data can be used for hearing monitoring.

When the HLD data is completed more than three times, the mobile phone 1 may send an "encode" instruction to modify the hearing data in the DSP chip 212, so as to modify the output dynamic range of the sound output terminal 215.

The earphone body 21 of the present embodiment is a TWS earphone having a hybrid ANC function and a DSP chip code fitting function. First sound input 213 and second sound input 214 are ANC microphones. Thus, ANC in an ANC microphone is fully merged into Active Noise Cancellation, that is, means Active Noise reduction.

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

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

s2, storing the monitored data, and simultaneously performing superposition calculation on the data of each time;

s3, butting the calculation result of the monitoring data superposition for more than 3 times with the coding system of the earphone;

and S4, fine adjustment is carried out on the coding strategy of the earphone or the abnormal hearing state of the patient is prompted.

The specific working principle is as follows: the first switch 223a of the MCU chip 221 sets the smart hearing monitoring system 2 to be activated when the ambient sound picked up by the first sound input terminal 213 is lower than HL; in the environment with low external sound pressure, after the intelligent hearing monitoring system 2 is started, the Bluetooth of the TWS earphone is connected with the mobile phone 1, can receive the order of listening test sent by the mobile phone 1, after the order of listening test sent by the mobile phone 1, the sound output end 215 of the earphone body 21 can automatically emit a group of specific sound, the sound is received by the second sound input end 214 after entering the ear canal, the sound is collected by the second sound input end 214, converted into digital signals through A/D, transmitted to the mobile phone 1 through the MCU chip 221 and Bluetooth, and finally transmitted back, at the end of the mobile phone 1, the sound signals collected from the auditory canals are superposed and analyzed through special software, the analysis result is presented in a chart format, this graph can be compared with the hearing data imported into the DSP chip 212 of the encoding headset, with the comparison data labeled with HLD, which can be used for hearing monitoring.

When the first sound input end 213 detects that the environmental sound is higher than the hearing threshold, a 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, the mobile phone 1 sends out the audiometry instruction again to emit specific sound, and a new chart is created to be compared with the hearing data in the DSP chip 212 to obtain a new HLD; when the HLD is completed more than three times, the mobile phone 1 may send an "encode" instruction to modify the hearing data in the DSP chip 212 of the encoding headset, thereby modifying the output dynamic range of the sound output terminal 215 of the encoding headset.

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 arranged in the existing intelligent coding earphone product, the structure of the existing earphone and the data communication structure are utilized, the hearing state of a user can be monitored only by wearing the earphone, data is stored, meanwhile, the data of each time is subjected to superposition calculation, the calculation result of more than three times of superposition of monitoring data is butted with the coding system of the earphone, and the coding strategy of the earphone is subjected to fine adjustment or the abnormity of the hearing state of the patient is prompted, for example, the alarm is given when the standard of sudden deafness is reached.

The intelligent hearing monitoring system 2 can monitor the hearing state when an earphone is used, and plays an important role in protecting the hearing, finding the hearing loss, predicting the hearing development trend, immediately intervening, accurately intervening, hearing recovery and the like.

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

Claims (8)

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

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 ambient sound;

the sound output (215) is directed towards the ear canal and is for outputting a sound signal;

the second sound input end (214) is arranged on the outer wall of the shell (211) and faces towards 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 the digital signal back to the MCU chip (221);

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

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

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

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

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

when the sound signal in the ear canal picked up by the second sound input end (214) exceeds the discomfort threshold UCL of the human ear, the signal processing unit (22) is started through a switch II (223b), and then the maximum output sound pressure of the sound output end (215) is controlled, so that the hearing is protected;

the third switch (223c) can control whether the signal processing unit (22) and the mobile phone (1) interact or not.

4. The smart hearing monitoring system according to claim 3, wherein when the signal processing unit (22) is activated by the switch one (223a), the DSP chip (212) is communicatively connected to the mobile phone (1) and can receive an "audiometry" command from the mobile phone (1), and when the "audiometry" command is issued from the mobile phone (1), the sound output terminal (215) automatically emits a specific set of sounds, which are received by the second sound input terminal (214) after entering the ear canal, and then are converted into digital signals by the A/D, and then are processed and transmitted back to the mobile phone (1) by the MCU chip (221), and the sound signals collected from the ear canal are subjected to superposition analysis by the mobile phone (1), and the analysis results are presented in a chart format, which can be compared with the hearing data introduced into the DSP chip (212), the contrast data is labeled with HLD data, which can be used for hearing monitoring.

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

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

7. The smart hearing monitoring system according to claim 6, wherein the first sound input (213) and the second sound input (214) are each an ANC microphone.

8. An application method of an intelligent hearing monitoring system is characterized by at least comprising the following steps:

s1, placing the intelligent hearing monitoring system into a coding earphone product, and monitoring the hearing state of a user through the coding earphone product by utilizing the structure of the existing earphone and the architecture of data communication;

s2, storing the monitored data, and simultaneously performing superposition calculation on the data of each time;

s3, butting the calculation result of the monitoring data superposition for more than 3 times with the coding system of the earphone;

and S4, fine adjustment is carried out on the coding strategy of the earphone or the abnormity of the hearing state of the patient is prompted.

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