CN105266820A - Multifunctional sonometer and using method thereof - Google Patents
Multifunctional sonometer and using method thereof Download PDFInfo
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- CN105266820A CN105266820A CN201510763217.2A CN201510763217A CN105266820A CN 105266820 A CN105266820 A CN 105266820A CN 201510763217 A CN201510763217 A CN 201510763217A CN 105266820 A CN105266820 A CN 105266820A
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a multifunctional sonometer and a using method thereof. The using method of the sonometer comprises the following steps of starting a corresponding query mode by a controller according to a preset rule; taking a parameter corresponding to the query mode according to the query mode; generating a corresponding driving signal by using a controller according to the parameter; and driving a corresponding circuit to run according to the driving signal. The multifunctional sonometer implementing the method comprises a controller, a starting module, a query module and a driving circuit, wherein the controller is used for controlling running of the sonometer; the starting module is used for starting the query module according to a preset rule; the query module is used for providing a detection function for the sonometer; the driving circuit is used for driving the sonometer to run; and the controller is respectively connected with the starting module and the query module through the driving circuit. Compared with the prior art, the multifunctional sonometer can meet listening test requirements under various conditions; and moreover, test accuracy can be good.
Description
Technical Field
The invention relates to the technical field of preparation of otology medical instruments, in particular to a multifunctional audiometer and a using method thereof.
Background
With the development of industrialization and the aggravation of factors such as environmental pollution, hearing diseases have become a common disease, and hearing disorders are clinically classified into two categories: conductive deafness and neurogenic (sensorineural) deafness. Conductive deafness refers to a decrease in hearing caused by a systemic damage of the "tympanic membrane-ossicular chain" from the external auditory canal to the middle ear; nerve deafness belongs to the pathological changes of phonosensitive organs, and refers to the damage of nerve conduction paths from cochlea or auditory nerve in inner ear to auditory center, which results in hearing loss or disappearance, also called as sensorineural deafness. The former sound waves can also be transmitted from the skull to the inner ear by bone conduction to cause sensation, and the latter sound waves are damaged by nerves and have impaired or lost hearing.
The audiometer is an acoustic instrument for hearing function test, and is mainly used for clinic, scientific research and the like. Most of the common audiometers on the market at present have relatively simple structures and relatively single functions, often cannot meet the test requirements on more test signals or signal combinations, and have relatively low test accuracy.
Therefore, how to provide an audiometer capable of meeting various functional test requirements for different hearing signals in different scenes is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the problems, the invention provides a multifunctional audiometer and a using method thereof, which can meet the requirement of hearing tests under various conditions and have better test accuracy.
The invention provides a using method of a multifunctional audiometer, which comprises the following steps:
the controller starts a corresponding query mode according to a preset rule;
calling parameters corresponding to the query mode according to the query mode;
according to the parameters, the controller generates corresponding driving signals;
and driving the corresponding circuit to operate according to the driving signal.
Preferably, the query mode comprises an audio detection mode, a speech hearing detection mode and a special detection mode.
Preferably, the parameters include signal frequency, signal strength.
Another object of the present invention is to provide a multifunctional audiometer, including:
the device comprises a controller, a starting module, an inquiry module and a driving circuit;
the controller is used for controlling the operation of the audiometer;
the starting module is used for starting the corresponding query module according to a preset rule;
the query module is used for providing an audiometer detection function;
the controller is respectively connected with the starting module and the query module through a driving circuit.
Preferably, the query module comprises: the system comprises an audio detection unit, a language hearing detection unit and a special detection unit;
wherein,
the audio detection unit provides a left ear stimulation sound and a right ear masking noise or a left ear masking noise and a right ear stimulation sound for the air conduction earphone and the bone conduction earphone.
The language hearing detection unit provides a speech signal including a monaural speech signal, a monaural speech signal and contralateral masking noise, a monaural mixed input signal, a binaural input different speech signal, and a binaural masking noise.
The special detection unit is used for providing SISI detection, ABLE detection, STENGER detection and HIS detection.
Preferably, the audiometer includes:
an audio generator and an audio driving circuit;
the audio generator is connected with the controller through the audio driving circuit and used for exciting the air conduction earphone and the bone conduction earphone.
Preferably, the controller includes:
a stimulating sound signal generating unit;
the stimulating sound signal generating unit is used for generating stimulating sound signals and processing an algorithm to realize data interaction with an external circuit.
Preferably, the audiometer includes:
an earphone drive circuit;
the earphone driving circuit is used for transmitting the signal generated by the audio generator to an earphone.
Preferably, the audiometer includes:
a listener and a listener driving circuit;
the monitor is connected with the controller through the monitor driving circuit.
Preferably, the audiometer includes:
a display and a keyboard;
the display is connected with the controller through a display driving circuit;
the keyboard is connected with the controller through a keyboard driving circuit.
According to the technical scheme, the invention has the following advantages:
the audiometer provided by the invention can meet the hearing test requirements under various conditions by combining and setting various test functional units or modules; meanwhile, a certain rule is set through the controller, the detection unit in the corresponding query module is called, a control signal is sent out according to the parameter controller corresponding to the query module, and the corresponding circuit is selected to control and realize operation, so that better test accuracy is realized.
Drawings
FIG. 1 is a schematic flow chart of a method for using a multifunctional audiometer according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a multifunctional audiometer according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a multifunctional audiometer according to an embodiment of the present invention.
Detailed Description
The invention provides a multifunctional audiometer and a using method thereof, which can meet the requirement of hearing tests under different situations; meanwhile, better test accuracy is realized.
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a multifunctional audiometer and a method for using the same with reference to the accompanying drawings and specific embodiments.
Embodiment 1, please refer to fig. 1, which is a schematic flow chart of an embodiment of a method for using a multifunctional audiometer according to an embodiment of the present invention, specifically including:
101. the controller starts a corresponding query mode according to a preset rule;
in the embodiment of the invention, in order to realize the test function of the audiometer, a certain rule is preset firstly, and through the preset rule, a controller of the audiometer starts an inquiry mode corresponding to a test environment or a test type, so that a test program is started.
102. Calling parameters corresponding to the query mode according to the query mode;
after the query mode is started, the controller calls corresponding parameters corresponding to the query mode according to the started query mode for subsequent testing steps.
103. According to the parameters, the controller generates corresponding driving signals;
after the controller calls the parameters of the corresponding query mode, the controller sends out corresponding driving signals according to the properties or characteristics of the parameters and the like.
104. And driving the corresponding circuit to operate according to the driving signal.
And driving corresponding circuits in the audiometer to operate according to the driving signals of the previous steps, thereby realizing the test and feedback of the ear conditions under various conditions.
According to the using method of the multifunctional audiometer, provided by the embodiment of the invention, a certain rule is preset, and the controller selects a corresponding query mode according to the rule and parameter characteristics and the like in the mode to send out a corresponding driving control signal, so that the audiometer is driven to meet the hearing test requirements under different conditions; meanwhile, a certain rule is set, and parameters in a corresponding mode are called to send a control signal to control the circuit to operate, so that the test aiming at the condition of the connected ear is realized, and higher test accuracy is realized.
It should be noted that there are many preset rules, for example, according to different test objects, that is, the pathological state where the test ear is located, the starting and control mode of the controller is selected, for example, according to the sonar detection result fed back to the controller by the audiometer, a corresponding rule is formulated, the controller reads and schedules the rule, and selects the subsequent starting query mode, thereby performing subsequent detection. Therefore, the preset rules can be specified according to needs and are not limited in this place.
The above is a general description of a process of a method for using a multifunctional audiometer according to an embodiment of the present invention, where the query mode includes an audio detection mode, a speech hearing detection mode, and a special detection mode, and the parameters corresponding to the query mode include parameter factors such as signal frequency and signal intensity.
The above is an explanation of a method for using a multifunctional audiometer in an embodiment of the present invention, and the following is a description of an audiometer in an embodiment of the present invention, specifically as follows:
referring to fig. 2, a schematic structural diagram of an embodiment of a multifunctional audiometer according to an embodiment of the present invention is shown, where the audiometer includes a controller 1, a starting module 2, an inquiring module 3, and a driving circuit 4; the controller 1 is used for controlling the operation of the audiometer; the starting module 2 is used for starting the corresponding query module 3 according to a preset rule; the query module 3 is used for providing an audiometer detection function; the controller 1 is connected with the starting module 2 and the query module 3 through the driving circuit 4. According to a certain rule, the controller 1 starts the corresponding query module 3 through the driving circuit 4 and the starting module 2, and the controller 1 sends out a corresponding control signal according to the parameter fed back by the corresponding query module 3, so that the corresponding detection circuit is driven to detect, and a detection result is obtained.
Referring to fig. 3, the query module 3 includes an audio detection unit 31, a speech hearing detection unit 32, and a special detection unit 33; the audio detection unit 31 provides, for the air conduction earphone and the bone conduction earphone, a signal including left ear stimulus sound and right ear masking noise or left ear masking noise and right ear stimulus sound, where the stimulus sound includes pure tone and sing tone, and the noise includes narrow-band noise and white noise; the speech hearing detection unit 32 provides a signal including a monaural speech signal, a monaural speech signal and opposite-side masking noise, a monaural mixed input signal, a binaural input different speech signal, and a binaural masking noise, wherein the speech signal may be a Microphone (MIC), a tape unit (CD), and the noise includes a narrow-band noise and a white noise; the special detection unit 33 is used for providing SISI detection, ABLE detection, STENGER detection and HIS detection, wherein the SISI detection is called as a short increment sensitivity index test and is used for checking the perceptibility of auditory sense to micro-change of sound intensity, 1000Hz pure sound is used, the intensity is 20dB above a threshold, an amplitude modulation device is applied to enable the sound intensity to appear 1dB increment of a short time interval every 5 seconds (the rising time and the falling time are respectively 50ms and last 200ms), a subject listens 20 times of amplified sound totally, each time hearing 1 time, the score is 5 percent, the total score is below 30 percent and is normal, 35-65 percent is suspicious, more than 70 percent is positive in a stress test, and the existence of cochlear lesion is prompted.
The ABLE detection is called binaural alternative loudness balance test, is a common method for detecting loudness re-vibration, and is suitable for patients with binaural hearing difference of 20-50 dB (HL). When stimulated with low intensity sound, one ear is less audible than the other, but when stimulated with high intensity sound, both ears may experience equal loudness to the same frequency tone, and even worse, are sensitive, a phenomenon in which the intensity of the affected side increases faster than the healthy side, the weighing vibration phenomenon (recrunmentphenomenon). The deafness caused by cochlear diseases often has loudness stress. For example, the patient has a right ear threshold of 0dB and a left ear threshold of 40 dB. When the sound intensity level of the right ear is increased by 20dB, the left ear only needs to be increased by 10dB from the hearing threshold (40dB) of the left ear to feel that the loudness heard by the two ears is equal, which indicates that the loudness is heavy and vibration, and indicates that the cochlear lesion exists. The examination method comprises measuring the pure tone threshold of two ears of a patient, selecting the frequency with the difference of the two ears hearing power of more than 20dB, increasing the sound intensity of one ear every 10-20 dB, and adjusting the sound intensity of the other ear step by step until the loudness felt by the two ears is the same.
The STENGER detection is called pseudo-deafness, namely deafness, which means that the auditory system has no obvious organic lesion, the hearing is normal, and the ears are called deafness by self. The pseudo-deaf does not have neuropsychological trauma, often has the purpose or attempts to disguise, has serious subjective performance, and is helpful for identification through multiple audiological tests and objective hearing tests. The detection method is to send pure tone signals of the same frequency to two ears simultaneously, and for the ear with better hearing, the threshold value of the sound intensity can be set to be higher than 10dB, and for the ear with worse hearing, the threshold value can be set to be lower than 10 dB.
HIS testing refers to performing a hearing aid simulation process based on the hearing profile.
The audiometer provided by the embodiment of the invention is also provided with an audio generator, an audio drive circuit and an earphone drive circuit; the audio generator is connected with the controller 1 through an audio driving circuit and is used for exciting the air conduction earphone and the bone conduction earphone; the earphone driving circuit is used for transmitting the signal generated by the audio generator to the earphone.
The audiometer controller 1 provided by the embodiment of the present invention is further provided with a stimulus sound signal generating unit for generating a stimulus sound signal, processing an algorithm, and implementing data interaction with an external circuit.
It should be noted that, the audiometer of the embodiment of the present invention is further provided with a monitor, a monitor driving circuit, a display and a keyboard; the monitor is connected with the controller through a monitor driving circuit; the display is connected with the controller through a display driving circuit; the keyboard is connected with the controller through a keyboard driving circuit. Each component is connected with the controller through a corresponding driving circuit, so that signal transmission and conversion are realized.
The audiometer provided by the embodiment of the invention belongs to a diagnosis I-type audiometer, and has a powerful diagnosis function, and provides an audio detection mode, a language hearing detection mode and a special detection mode. The instrument has low power consumption, adopts 5V power supply, can be externally connected with a power supply and can also be powered by a battery; a 7-inch high-definition display is equipped, and the pixel resolution reaches 1024x 768; can be connected with various external devices, including air conduction earphone, bone conduction earphone, tape unit, monitor, microphone and patient responder. The frequency range provided by the air conduction earphone is 125Hz to 12.5kHz, the frequency range provided by the bone conduction earphone is 250Hz to 6kHz, the maximum output intensity reaches 120dB, and the attenuator provides 1dB, 2.5dB and 5dB in a stepping mode; the audiometer can store 500 pieces of patient information, and can print the patient information and diagnosis results by connecting the USB connector and the adaptive software.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for using a multifunctional audiometer is characterized by comprising the following steps:
the controller starts a corresponding query mode according to a preset rule;
calling parameters corresponding to the query mode according to the query mode;
according to the parameters, the controller generates corresponding driving signals;
and driving the corresponding circuit to operate according to the driving signal.
2. The method as claimed in claim 1, wherein the query mode comprises an audio test mode, a speech hearing test mode, and a special test mode.
3. The method of claim 1, wherein the parameters include signal frequency, signal strength.
4. A multi-functional audiometer, comprising:
the device comprises a controller, a starting module, an inquiry module and a driving circuit;
the controller is used for controlling the operation of the audiometer;
the starting module is used for starting the corresponding query module according to a preset rule;
the query module is used for providing an audiometer detection function;
the controller is respectively connected with the starting module and the query module through a driving circuit.
5. The multifunctional audiometer of claim 4, wherein the query module comprises: the system comprises an audio detection unit, a language hearing detection unit and a special detection unit;
wherein,
the audio detection unit provides a left ear stimulation sound and a right ear masking noise or a left ear masking noise and a right ear stimulation sound for the air conduction earphone and the bone conduction earphone.
The language hearing detection unit provides a speech signal including a monaural speech signal, a monaural speech signal and contralateral masking noise, a monaural mixed input signal, a binaural input different speech signal, and a binaural masking noise.
The special detection unit is used for providing SISI detection, ABLE detection, STENGER detection and HIS detection.
6. The multifunctional audiometer of claim 4, wherein the audiometer comprises:
an audio generator and an audio driving circuit;
the audio generator is connected with the controller through the audio driving circuit and used for exciting the air conduction earphone and the bone conduction earphone.
7. The multifunctional audiometer of claim 4, wherein the controller comprises:
a stimulating sound signal generating unit;
the stimulating sound signal generating unit is used for generating stimulating sound signals and processing an algorithm to realize data interaction with an external circuit.
8. The multifunctional audiometer of claim 6, wherein the audiometer comprises:
an earphone drive circuit;
the earphone driving circuit is used for transmitting the signal generated by the audio generator to an earphone.
9. The multifunctional audiometer of claim 4, wherein the audiometer comprises:
a listener and a listener driving circuit;
the monitor is connected with the controller through the monitor driving circuit.
10. The multifunctional audiometer of claim 4, wherein the audiometer comprises:
a display and a keyboard;
the display is connected with the controller through a display driving circuit;
the keyboard is connected with the controller through a keyboard driving circuit.
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| CN109893139A (en) * | 2019-04-02 | 2019-06-18 | 佛山博智医疗科技有限公司 | Hearing test State Feedback System |
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