CN213844321U - Intelligent monitoring system based on hearing aid - Google Patents
Intelligent monitoring system based on hearing aid Download PDFInfo
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- CN213844321U CN213844321U CN202023145513.1U CN202023145513U CN213844321U CN 213844321 U CN213844321 U CN 213844321U CN 202023145513 U CN202023145513 U CN 202023145513U CN 213844321 U CN213844321 U CN 213844321U
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Abstract
The utility model discloses an intelligence monitor system based on audiphone, it has increased the function of audiphone, when realizing the audiphone, can monitor other health status, can improve the convenience of use, it includes the health detection module, communication module, intelligent terminal, the cloud platform, the environment early warning module, the health detection module includes the audiphone, the audiphone includes the microphone, a loudspeaker, the audiphone chip includes audio frequency processing module, microcontroller, the communication unit, the audiphone passes through communication module and intelligent terminal communication connection, intelligent terminal passes through communication module and cloud platform communication connection, the environment early warning module includes the smog alarm unit, gas leakage alarm unit, the environment early warning module passes through communication module and intelligent terminal communication connection.
Description
Technical Field
The utility model relates to a audiphone technical field specifically is an intelligent monitor system based on audiphone.
Background
Presbycusis is a common hearing disease of the elderly, and the hearing aid as a medical device for assisting hearing provides great convenience for the elderly with hearing impairment. Recently, the national institute promulgates a notification that it is practical to solve the difficulty of the old people in using the intelligent technology, and the digital hearing aid has received a wide attention as one of the most common devices for the old people, and simultaneously, certain requirements are provided for the functionality, practicability, usability, portability and the like of the hearing aid. Traditional audiphone is different according to the function, and the price difference is also great, and although the audiphone price of well low-end is cheap, its noise reduction effect is relatively poor with speech processing effect, and common audiphone exists multiple defect on the market at present: the existing hearing aid has single function, generally can only realize the function of hearing aid, but cannot monitor other health conditions of the old; secondly, the existing hearing aids capable of simultaneously monitoring body temperature or heart rate are implantable hearing aids, which are inconvenient to use and require active measurement of a user to acquire health data, and a corresponding monitoring system is not available for realizing real-time monitoring and data analysis; and thirdly, the hearing aids with the detection and alarm functions are integrated, the hearing aids realize the function of seeking help for a guardian when an accident occurs, but the hearing aids cannot timely warn and prevent the accident.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model provides an intelligence monitor system based on audiphone, it has increased the function of audiphone, when realizing the audiphone, can monitor other health status, and need not the user initiative and measure and can realize real-time supervision, the emergence of early warning and prevention accident in time simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent monitoring system based on a hearing aid comprises a health detection module and a communication module, wherein the health detection module comprises the hearing aid, the hearing aid comprises a microphone, a loudspeaker and a hearing aid chip, the hearing aid chip comprises an audio processing module, a microcontroller and a communication unit, the microphone, the loudspeaker, a sensor and the audio processing module are electrically connected with the microcontroller, the microphone is used for collecting voice signals, the audio processing module is used for processing the voice signals, and the loudspeaker is used for playing the processed voice signals; the hearing aid is characterized by further comprising an intelligent terminal, a cloud platform, an environment early warning module and a sensor, wherein the sensor is used for acquiring body state data; the sensors comprise an infrared temperature sensor and a heart rate sensor, the body state data comprise a body temperature value, a heart rate value and a pulse, the infrared temperature sensor is used for acquiring the body temperature value, and the heart rate sensor is used for acquiring the heart rate value and the pulse;
the hearing aid is in communication connection with the intelligent terminal through the communication module, and the intelligent terminal is in communication connection with the cloud platform through the communication module;
the environment early warning module comprises a smoke warning unit and a gas leakage warning unit, and is in communication connection with the intelligent terminal through the communication module.
It is further characterized in that the method further comprises the steps of,
the communication module comprises Bluetooth communication and WIFI communication, the hearing aid is in communication connection with the intelligent terminal through the Bluetooth communication, and the intelligent terminal is in communication connection with the cloud platform through the WIFI communication;
the intelligent terminal comprises an intelligent mobile phone, a notebook or a PAD;
the audio processing module processes doorbell signals sent by the doorbell prompt module and plays the doorbell signals through the loudspeaker;
the audio processing module comprises an analog-to-digital converter, a high-pass filter, a time domain-frequency domain conversion unit, a voice enhancement unit, a hearing compensation unit, a frequency domain-time domain conversion unit, an automatic gain control unit, a digital-to-analog conversion unit and a feedback suppression unit;
the analog-to-digital converter is used for converting the input voice signal into a digital signal; the high-pass filter is used for filtering noise in the digital signal;
the time domain-frequency domain conversion unit is used for converting the filtered voice signal into a frequency domain signal which is uniformly divided according to sub-bands;
the voice enhancement unit is used for improving the identifiability of the frequency domain signal by reducing the environmental noise;
the hearing compensation unit is used for combining sub-bands to obtain a plurality of channels and compensating each channel according to a compensation curve;
the frequency domain-time domain conversion unit is used for restoring the compensated frequency domain signal into a time domain signal and outputting the time domain signal;
the automatic gain control unit is used for automatically controlling the gain of the voice signal;
the feedback suppression unit is used for suppressing the feedback signal loop from generating howling;
the digital-to-analog converter is used for converting the digital signal after automatic gain into an audio analog signal.
The smoke alarm unit comprises a smoke alarm used for collecting smoke information in the environment and sending out an alarm signal;
the gas leakage alarm unit comprises a gas leakage alarm, and the gas leakage alarm is used for acquiring gas leakage information in the environment and sending out an alarm signal.
A method for monitoring by adopting the intelligent monitoring system comprises a physical condition monitoring method, a fuel gas leakage and smoke warning method and a method for processing voice signals by adopting a voice processing module, and is characterized in that,
the physical condition monitoring method comprises the following steps:
acquiring physical condition information of a user through the sensor packaged in the hearing aid;
the sensor sends the physical condition information to the intelligent terminal through the Bluetooth communication;
the intelligent terminal sends the physical condition information to the cloud platform through the WIFI communication, and the cloud platform analyzes the physical condition information to obtain the health state of the current user;
and the cloud platform sends the health condition to the intelligent terminal for the user to check at any time.
A method for monitoring by adopting the intelligent monitoring system comprises the physical condition monitoring method, a gas leakage and smoke warning method and a method for processing a voice signal by adopting a voice processing module, and is characterized in that the gas leakage and smoke warning method comprises the following steps:
respectively acquiring gas leakage information and smoke information in the environment through a gas leakage detector and a smoke detector;
when gas leakage or smoke in the environment exceeds a preset threshold value, sending a gas leakage alarm signal or a smoke alarm signal to the intelligent terminal through WIFI communication;
the intelligent terminal sends an alarm signal to the hearing aid through Bluetooth communication;
the player of the hearing aid plays an alarm signal to the user.
A method for monitoring by adopting the intelligent monitoring system comprises the body condition monitoring method, a gas leakage and smoke warning method and a method for processing a voice signal by adopting a voice processing module, and is characterized in that the voice signal comprises an alarm signal and a doorbell signal, and the method for processing the voice signal by adopting the voice processing module comprises the following steps:
acquiring the voice signal, wherein the voice signal comprises an alarm signal acquired by adopting the gas leakage or smoke warning method or a doorbell signal sent by the doorbell prompt unit;
the analog-to-digital converter converts an input voice signal into a digital signal;
filtering noise in the digital signal by adopting the high-pass filter;
the time domain-frequency domain conversion unit converts the filtered voice signal into a frequency domain signal which is uniformly divided according to sub-bands;
the voice enhancement unit improves the identifiability of the frequency domain signal by reducing the environmental noise;
the hearing compensation unit is used for combining sub-bands to obtain a plurality of channels and compensating each channel according to a compensation curve by adopting a wide dynamic compression method;
the frequency domain-time domain conversion unit restores the compensated frequency domain signal into a time domain signal and outputs the time domain signal;
the automatic gain control unit is used for automatically controlling the gain of the voice signal to adjust the volume of the voice signal so that the volume of the output voice is in a comfortable range;
the feedback suppression unit is used for suppressing the feedback signal loop from generating howling;
the digital-to-analog converter is used for converting the digital signal after automatic gain into an audio analog signal, and the audio analog signal is sent to a user through the loudspeaker.
It is further characterized in that the method further comprises the steps of,
performing time-frequency domain interconversion on the filtered voice signal by adopting a short-time Fourier transform method and an inverse short-time Fourier transform method, or performing time-frequency domain interconversion on the filtered voice signal by adopting a weighted splicing-addition uniform channel filter group;
the hearing compensation unit adopts a wide dynamic compression method to compensate each channel according to a compensation curve;
the feedback suppression unit performs feedback suppression on the voice signal by adopting a self-adaptive recursive least square method, a self-adaptive wiener filtering method, a self-adaptive minimum mean square error method or a self-adaptive band-limited minimum mean square error method or a Kalman filtering method.
Adopt the utility model discloses above-mentioned structure can reach following beneficial effect: 1. the hearing aid is characterized in that a sensor is integrated in the hearing aid to collect body state data of a user in real time, the body state data are transmitted to the intelligent terminal through the integrated communication module, the intelligent terminal sends the body state data to the cloud platform through the communication module to analyze the data, and therefore real-time monitoring of the body state data of the user is achieved. The function of audiphone has been increased in the setting of sensor, when realizing the hearing aid, can monitor other health status, and need not user's initiative and measure and can realize real-time guardianship, improved the convenience in use.
2. The intelligent terminal further comprises an environment early warning module, the environment early warning module comprises a smoke alarm unit and a gas leakage alarm unit, the smoke alarm unit and the gas leakage alarm unit are respectively used for acquiring smoke information and gas leakage information in the environment, and sending smoke alarm signals and gas leakage alarm signals to the intelligent terminal through the communication module, the intelligent terminal sends smoke alarm signals and gas leakage alarm signals to the hearing aid through the communication module, and the hearing aid plays corresponding signals to a user through a loudspeaker, so that timely early warning and accident prevention are realized.
3. It still includes doorbell suggestion module, and doorbell suggestion module passes through the microcontroller communication connection of bluetooth communication and audiphone, and audio frequency processing module handles the doorbell signal that doorbell suggestion module sent to the speaker broadcast doorbell signal through the audiphone gives the user, and convenient to use person hears doorbell information, has further improved the convenience in utilization of audiphone.
Drawings
Fig. 1 is a block diagram of the system structure of the present invention;
fig. 2 is a flow chart of the audio processing module of the present invention processing the audio signal.
Detailed Description
Referring to fig. 1, an intelligent monitoring system based on a hearing aid comprises a health detection module, a communication module, an intelligent terminal, a cloud platform, an environment early warning module and a doorbell prompt module, wherein the health detection module comprises the hearing aid, the communication module comprises bluetooth communication and WIFI communication, the hearing aid is in communication connection with the intelligent terminal through the bluetooth communication, and the intelligent terminal is in communication connection with the cloud platform through the WIFI communication;
the environment early warning module comprises a smoke alarm unit and a fuel gas leakage alarm unit, the environment early warning module is in communication connection with the intelligent terminal through Bluetooth communication, the smoke alarm unit comprises a smoke alarm, and the smoke alarm is used for collecting smoke information in the environment and sending out an alarm signal; the smoke detector in this embodiment is a TAD-168 smoke alarm. The gas leakage alarm unit comprises a gas leakage alarm used for acquiring gas leakage information in the environment and sending out an alarm signal; the type of the gas leakage alarm in this embodiment is an HD8200 alarm.
The doorbell prompt module is in communication connection with a microcontroller of the hearing aid through Bluetooth communication, and the audio processing module processes a doorbell signal sent by the doorbell prompt module and plays the doorbell signal through a loudspeaker;
the hearing aid comprises a microphone, a loudspeaker and a hearing aid chip, wherein the hearing aid chip comprises an audio processing module, a microcontroller and a communication unit, the microphone, the loudspeaker, a sensor and the audio processing module are electrically connected with the microcontroller, the microphone is used for acquiring a voice signal, the audio processing module is used for processing the voice signal, the loudspeaker is used for playing the processed voice signal, the hearing aid further comprises an infrared temperature sensor (with the model of MLX90615) and a heart rate sensor (with the model of SON7015), the infrared temperature sensor is used for acquiring a body temperature value, and the SON7015 heart rate sensor is used for acquiring a heart rate value and a pulse;
the audio processing module comprises an analog-to-digital converter, a high-pass filter, a time domain-frequency domain conversion unit, a voice enhancement unit, a hearing compensation unit, a frequency domain-time domain conversion unit, an automatic gain control unit, a digital-to-analog conversion unit and a feedback suppression unit;
the analog-to-digital converter is used for converting an input voice signal into a digital signal; the high-pass filter is used for filtering noise in the digital signal; the time domain-frequency domain conversion unit is used for converting the filtered voice signal into a frequency domain signal which is uniformly divided according to sub-bands; the voice enhancement unit is used for improving the identifiability of the frequency domain signal by reducing the environmental noise; the hearing compensation unit is used for combining the sub-bands to obtain a plurality of channels and compensating each channel according to a compensation curve; the frequency domain-time domain conversion unit is used for restoring the compensated frequency domain signal into a time domain signal and outputting the time domain signal; the automatic gain control unit is used for automatically controlling the gain of the voice signal to enable the volume of the output voice to be in a comfortable range, and the comfortable range is 20 dB-120 dB; the feedback suppression unit is used for suppressing the feedback signal loop from generating howling; the digital-to-analog converter is used for converting the digital signal after automatic gain into an audio analog signal.
A method for monitoring a user by adopting the intelligent monitoring system comprises a physical condition monitoring method, a fuel gas leakage and smoke warning method and a method for processing voice signals by adopting a voice processing module, wherein the voice signals comprise an alarm signal and a doorbell signal,
the physical condition monitoring method comprises the following steps: a1, collecting the physical condition information of the user through a sensor packaged in the hearing aid; a2, the sensor sends the physical condition information to the intelligent terminal through Bluetooth communication; a3, the intelligent terminal sends the physical condition information to the cloud platform through WIFI communication, and the cloud platform analyzes the physical condition information to obtain the health state of the current user; a4, the cloud platform sends the health condition to the intelligent terminal for the user to check at any time;
the gas leakage and smoke warning method comprises the following steps: b1, respectively acquiring gas leakage information and smoke information in the environment through a gas leakage detector and a smoke detector; b2, when gas leakage or smoke in the environment exceeds a preset threshold value, sending a gas leakage alarm signal or a smoke alarm signal to the intelligent terminal through WIFI communication; b3, the intelligent terminal sends an alarm signal to the hearing aid through Bluetooth communication; b4, playing an alarm signal to the user by the player of the hearing aid;
referring to fig. 2, the processing of the alarm signal or the doorbell signal by using the voice processing module in the hearing aid specifically includes the following processing steps:
c1, acquiring a voice signal, wherein the voice signal comprises an alarm signal acquired by the gas leakage or smoke alarm method or a doorbell signal sent by a doorbell prompt unit;
c2, converting the input voice signal into a digital signal by an analog-to-digital converter;
c3, filtering noise in the digital signal by adopting a high-pass filter;
c4, the time-frequency domain conversion unit adopts the existing short-time Fourier transform method to carry out time-frequency domain interconversion on the filtered voice signal, and converts the filtered voice signal into a frequency domain signal which is uniformly divided according to sub-bands;
c5, the voice enhancement unit reduces the noise of the collected signal by adopting multi-sub-band spectral subtraction to improve the identifiability of the frequency domain signal;
c6, the hearing compensation unit is used for combining the sub-bands to obtain a plurality of channels, and a wide dynamic range compression method is adopted to compensate each channel according to a compensation curve;
c7, converting the compensated frequency domain signal by the frequency domain-time domain conversion unit by adopting an inverse short-time Fourier transform method, restoring the compensated frequency domain signal into a time domain signal and outputting the time domain signal;
c8, the automatic gain control unit is used for automatically controlling the gain of the voice signal by detecting the amplitude of the voice signal so as to make the volume of the output voice in a comfortable range;
c9, the feedback suppression unit adopts an adaptive feedback suppression algorithm, such as Kalman filtering, and is used for suppressing the feedback signal loop from generating howling;
the function of the C10, the dac is to convert the digital signal after the automatic gain into an audio analog signal, and the audio analog signal is sent to the user through the speaker.
The intelligent monitoring system and the monitoring method are suitable for old people with hearing impairment, an environment early warning module is integrated in the monitoring system, the environment early warning module comprises a smoke warning unit and a gas leakage warning unit, when accidents such as smoke or gas leakage occur in the environment, warning signals can be sent into a hearing aid through WIFI communication, an intelligent terminal and Bluetooth communication, and the warning signals are sent to the old people through a loudspeaker, so that the effects of early warning and accident avoidance are achieved; the hearing aid worn by the old people is integrated with the sensor, can be used for collecting the physical condition information of the old people in real time and sending the physical condition information to the intelligent terminal in real time, and the intelligent terminal uploads data to the cloud platform through WIFI communication to analyze the data and monitor the health state of the old people, so that the old people can know the health condition of the old people at any time; when someone presses the doorbell, doorbell suggestion unit passes through WIFI communication transmission to intelligent terminal with the doorbell signal, notebook or PAD etc, intelligent terminal etc. transmit microcontroller with the doorbell signal through bluetooth communication, microcontroller handles the doorbell signal and broadcasts the doorbell signal through the speaker through audio processing unit, further made things convenient for hearing the old person of barrier to use the audiphone, the method that speech processing module handled alarm signal or doorbell signal has effectively got rid of the noise in the speech signal, the broadcast effect of audiphone speech signal has been improved greatly, the comfort level of wearing has been improved.
The above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.
Claims (5)
1. An intelligent monitoring system based on a hearing aid comprises a health detection module and a communication module, wherein the health detection module comprises the hearing aid, the hearing aid comprises a microphone, a loudspeaker and a hearing aid chip, the hearing aid chip comprises an audio processing module, a microcontroller and a communication unit, the microphone, the loudspeaker, a sensor and the audio processing module are electrically connected with the microcontroller, the microphone is used for collecting voice signals, the audio processing module is used for processing the voice signals, and the loudspeaker is used for playing the processed voice signals; the hearing aid is characterized by further comprising an intelligent terminal, a cloud platform and an environment early warning module, and the hearing aid further comprises a sensor, wherein the sensor is used for acquiring body state data;
the hearing aid is in communication connection with the intelligent terminal through the communication module, and the intelligent terminal is in communication connection with the cloud platform through the communication module;
the environment early warning module comprises a smoke warning unit and a gas leakage warning unit, and is in communication connection with the intelligent terminal through the communication module.
2. The hearing aid-based intelligent monitoring system according to claim 1, wherein the communication module comprises bluetooth communication and WIFI communication, the hearing aid is in communication connection with the intelligent terminal through the bluetooth communication, and the intelligent terminal is in communication connection with the cloud platform through the WIFI communication.
3. The hearing aid-based intelligent monitoring system according to claim 2, further comprising a doorbell prompt module, wherein the doorbell prompt module is in communication connection with a microcontroller of the hearing aid through the bluetooth communication, and the audio processing module processes a doorbell signal sent by the doorbell prompt module and plays the doorbell signal through the speaker.
4. The hearing aid-based intelligent monitoring system according to claim 3, wherein the audio processing module comprises an analog-to-digital converter, a high-pass filter, a time domain-frequency domain conversion unit, a voice enhancement unit, a hearing compensation unit, a frequency domain-time domain conversion unit, an automatic gain control unit, a digital-to-analog conversion unit and a feedback suppression unit;
the analog-to-digital converter is used for converting the input voice signal into a digital signal;
the high-pass filter is used for filtering noise in the digital signal;
the time domain-frequency domain conversion unit is used for converting the filtered voice signal into a frequency domain signal which is uniformly divided according to sub-bands;
the voice enhancement unit is used for improving the identifiability of the frequency domain signal by reducing the environmental noise;
the hearing compensation unit is used for combining sub-bands to obtain a plurality of channels and compensating each channel according to a compensation curve;
the frequency domain-time domain conversion unit is used for restoring the compensated frequency domain signal into a time domain signal and outputting the time domain signal;
the automatic gain control unit is used for automatically controlling the gain of the voice signal to adjust the volume of the voice signal;
the feedback suppression unit is used for suppressing the feedback signal loop from generating howling;
the digital-to-analog conversion unit is used for converting the digital signal after automatic gain into an audio analog signal.
5. The hearing aid-based intelligent monitoring system according to claim 4, wherein the smoke alarm unit comprises a smoke alarm for collecting smoke information in the environment and sending out an alarm signal; the gas leakage alarm unit comprises a gas leakage alarm, and the gas leakage alarm is used for acquiring gas leakage information in the environment and sending out an alarm signal.
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| CN112562265A (en) * | 2020-12-23 | 2021-03-26 | 江苏集萃智能集成电路设计技术研究所有限公司 | Intelligent monitoring system and monitoring method based on hearing aid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112562265A (en) * | 2020-12-23 | 2021-03-26 | 江苏集萃智能集成电路设计技术研究所有限公司 | Intelligent monitoring system and monitoring method based on hearing aid |
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