CN101862195B - Self-service hearing test and hearing assistant system - Google Patents
Self-service hearing test and hearing assistant system Download PDFInfo
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- CN101862195B CN101862195B CN2010102222304A CN201010222230A CN101862195B CN 101862195 B CN101862195 B CN 101862195B CN 2010102222304 A CN2010102222304 A CN 2010102222304A CN 201010222230 A CN201010222230 A CN 201010222230A CN 101862195 B CN101862195 B CN 101862195B
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- A61B5/12—Audiometering
- A61B5/121—Audiometering evaluating hearing capacity
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Abstract
The invention discloses a self-service hearing test and hearing assistant system. An 8051 type core processor is connected with a programmable amplifier by an I2C interface; the programmable amplifier is connected with an earphone through a voice frequency multichannel transmission circuit, and generates an accurate test sound through a universal asynchronous receiver/transmitter (UART) and a programmable calculator array (PCA) in a central processing unit (CPU); the CPU is connected with an LED display lamp, and the running state of the system is represented by different flickers of the LED display lamp; the CPU is connected with an LCD display screen, and an operation prompt message of a user is displayed; and the CPU is connected with three control keys which can input information and used for inputting the information. The system can analyze a hearing test result accurately to determine whether hearing loss of the user can be classified into some kind of typical hearing loss or not, then informs the user of the type of the hearing loss, and guides the user to choose a hearing-aid which is designed for the typical hearing loss; and in addition, the system can perform the hearing test in a complex sound environment, and also can fit the hearing-aid for the user with the untypical hearing loss.
Description
Technical field
The present invention relates to a kind of circuit that is applied to hearing test and auxiliary audition, specifically, relate to a kind of hearing test and hearing assistant system.
Background technology
At present, most hearing losss can be classified as a kind of in several kinds of typical hearing losss.If determine through analyzing the hearing test result whether user's hearing loss can be sorted out certain typical hearing loss; And inform its hearing loss type of user; Instruct it to select certain sonifer, with the hearing aid effect that improves sonifer to the typical hearing loss design of this kind.
Summary of the invention
A kind of self-service hearing test and hearing assistant system that the present invention designs in order to solve the problems of the technologies described above just.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of self-service hearing test and hearing assistant system comprise CPU center processor, three control keys, LED display lamp, LCD display, USB interface, two RS232 interfaces, programmable amplifier, earphone, audio process, mike, 9 volts power supply adaptor, set of cells, real-time clock and voice-frequency-multichannel transmission circuit.The CPU center processor is 8051 type processors, and 8051 type processors and programmable amplifier pass through I
2The C interface mode links to each other, and programmable amplifier links to each other with earphone 10 through the voice-frequency-multichannel transmission circuit, through the inner general asynchronous reception of CPU center processor/emitter UART and programmable calculator array PCA, produces accurate test sound; The CPU center processor links to each other with the LED display lamp, representes the state that system moves through the different flicker of LED display lamp; The CPU center processor links to each other with LCD display, the operation prompt information of explicit user; But the CPU center processor links to each other with the control key of three input informations, and the external real time clock circuit of CPU center processor, 9 volts power supply adaptor are that system provides power supply; Mike links to each other with the CPU center processor through audio process.
Said self-service hearing test and hearing assistant system, the power supply adaptor output-parallel of its set of cells and 9 volts, power supply adaptor was a batteries charging when external power supply was arranged, set of cells is that system provides 9 volts of unidirectional currents during no external power supply.
Said self-service hearing test and hearing assistant system, its CPU center processor connects the LED display lamp can reach 10 LED light bars at most, and every LED light bar is supported 1 to 8 LED light emitting diode.
Said self-service hearing test and hearing assistant system, its peripheral interface circuit has serial line interface and parallel interface, can be connected with LCD display through serial line interface or parallel interface.
Said self-service hearing test and hearing assistant system, its peripheral interface comprises serial line interface, parallel interface and USB interface, can connect PC, mobile device and printer.
Said self-service hearing test and hearing assistant system, its peripheral interface comprises RS232 and USB interface, can connect computer.
Said self-service hearing test and hearing assistant system, its peripheral interface comprises the hearing aid apparatus interface, is used to connect sonifer, through the load operating custom program, satisfies the sonifer configuration requirement of special hearing loss.
This invention is a kind of portable test macro that is used for doing the audition examination.Different with present existing hearing test system, native system does not need a very quietly test environment when test, as the audiometric room that is used to test; This equipment can compensate the interference to hearing test that outside noise causes, thereby can test at noisy environment.This equipment is particularly suitable for the layman and uses, and does not require that also one fixes on use in the laboratory.Its user interface comprises control key, graphical display window and one group of LED lamp that is used for showing test results, and also can be equipped with a built-in printer, is used for printing fast test result.This test macro is given built-in rechargeable battery pack power supply through 9 volts of power supply adaptors of a standard, thereby improves the mobility of equipment.This equipment provides USB interface and two kinds of connected modes of serial ports simultaneously, is connected with the direct of external computer with support equipment, can be used for the calibration and the configuration of equipment.The optional module of GPRS allows to be connected with remote data base through network, utilizes the audio-frequency function of machine, and the user can directly ask for help to the operator.User test information can be used for selecting suitable sonifer, and system can adjust accordingly according to age and sex.Test macro will analysis user the hearing loss result, thereby whether the hearing loss that draws the user belongs to a certain typical type, is that system will select a kind of suitable sonifer to satisfy user's hearing compensation demand automatically so if judge.If user's the hearing loss typical type that is not certain, system will test for it and join a kind of special sonifer so, and this sonifer is connected through special interface with native system.This sonifer will be tested according to the real hearing loss information of user and join after connecting.The main feature of test macro is: it can be compatible mutually with a lot of earphones, detects thereby accomplish audition, can make different earphones reach a unified output level according to the acoustic features of earphone.Machine intimate provides one permanent memory, and the storage test record is used for later data statistics and sales support.This system supports polyglot, and extends to any language that has been identified.
The invention has the beneficial effects as follows that a kind of portable test macro that is used for making the audition examination can analyze the hearing test result accurately and determine whether user's hearing loss can be sorted out certain typical hearing loss; And inform its hearing loss type of user; Instruct it to select certain sonifer to the typical hearing loss design of this kind; It can be tested under the acoustic environment of complicacy, and can directly use as sonifer.
Description of drawings
Fig. 1 is self-service hearing test of the present invention and hearing assistant system flow chart
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 1; A kind of self-service hearing test of the present invention and hearing assistant system comprise power supply adaptor 13, set of cells 14, real-time clock 15 and the voice-frequency-multichannel transmission circuit 17 of 12,9 volts of CPU center processor 1, three control keys 2, LED display lamp 3, LCD display 4, USB interface 5, two RS232 interfaces, programmable amplifier 9, earphone 10, audio process 11, mikes.CPU center processor 1 is 8051 type processors, and concrete model is C8051F340.8051 type processors and programmable amplifier 9 pass through I
2The C interface mode links to each other, and programmable amplifier 9 links to each other with earphone 10 through voice-frequency-multichannel transmission circuit 17, through CPU center processor 1 inner general asynchronous reception/emitter UART and programmable calculator array PCA, produces accurate test sound; CPU center processor 1 links to each other with LED display lamp 3, representes the state that system moves through the 3 different flickers of LED display lamp; CPU center processor 1 links to each other with LCD display 4, the operation prompt information of explicit user; But CPU center processor 1 links to each other with the control key 2 of three input informations, CPU center processor 1 external real-time clock 15 circuit, and 9 volts power supply adaptor 13 provides power supply for system; Device 11 links to each other with CPU center processor 1 mike 12 through the audio frequency place, can be used to the monitoring of environmental noise.Because hearing loss is by the decision of ear sound sensed size, and the size of test sound must be greater than environment noise, so in comparatively quiet room, the hearing test result will be more accurate.This test macro is through the intensity of continuous monitoring of environmental noise, is worth through this and adjusts final test result, thereby allow hearing test in the environment of making a lot of noise more, to carry out.Before certain test sound is responded about the user greatly 50 milliseconds, system will note at this moment environment noise intensity (be chosen in and press record before the response key, be for fear of because the sound interference that button brings).The noise intensity that this environment noise intensity will be taken as the user when hearing sound; Final test result will deduct this intensity level; Even test is in the environment of a normal noise like this; What also can guarantee the user listens force data comparatively accurate, thereby test not necessarily will quietly carried out in the environment.
Said self-service hearing test and hearing assistant system, power supply adaptor 13 output-parallels of its set of cells 14 and 9 volts, power supply adaptor 13 was set of cells 14 chargings when external power supply was arranged, set of cells 14 provides 9 volts of unidirectional currents for system during no external power supply.
Said self-service hearing test and hearing assistant system, 1 of its CPU center processor connect LED display lamp 3 can reach 10 LED light bars at most, and every LED light bar is supported 1 to 8 LED light emitting diode.
Said self-service hearing test and hearing assistant system, its peripheral interface circuit has serial line interface and parallel interface, can be connected with LCD display 4 through serial line interface or parallel interface.
Said self-service hearing test and hearing assistant system, its peripheral interface comprise serial line interface, parallel interface and USB interface 5, can connect PC 7, mobile device 8 and printer 6.
Said self-service hearing test and hearing assistant system, its peripheral interface comprises RS232 and USB interface, can connect computer.
Said self-service hearing test and hearing assistant system, its peripheral interface comprises the hearing aid apparatus interface, is used to connect sonifer 18, through the load operating custom program, satisfies the requirement of special hearing loss.
System component and function introduction:
(1) CPU center processor: CPU adopts one 8051 type microprocessor, but any general microprocessor can adopt.
(2) control key: control key is used to import user profile such as age and sex, and test sound is made a response.
(3) LED display lamp: the light bar number through the LED lamp shows test results; The LED display lamp will be represented the state that moving through different flashing modes; Concrete display mode is definite according to being provided with of hardware, and each LED lamp is exclusively used in a frequency of an ear (left side/right side).The light bar of LED lamp is represented the change amount of each sound variation in the hearing test, and therefore, the hearing loss that more light bars are illustrated in user under certain frequency is heavy more.
(4) LCD display: LCD display can be the explanation of user's display operation.It both can also can dispose for black and white for chromatic.
(5) USB interface: USB interface is used for external computer.
(6) printer: system comprises a small-sized built-in printer, is used for the printing test result.
(7) PC PC: the RS232 interface can be used for external computer.
(8) mobile device: the RS232 interface can be used for mobile devices such as external mobile phone, and through using the mobile device interface, this system can communicate with central database, and the user can directly exchange with the operator.Through a certain selected service network, the operator can discuss the result of test with the user, and the mode of discussion both can also can be carried out long-range question and answer through network for directly spoken communication.Through the MCVF multichannel voice frequency transfer function 17 that system had, the voice output of mobile device will with the shared set of headphones 10 of test macro, therefore only need a set of headphones 10 to get final product.When mobile device can't be connected with test macro, through USB interface or other hardware interface, system can be connected with the accurate computer of a station symbol, thereby is connected with central database, and through identical network (VoIP) voice communication is provided.
(9) programmable amplifier: amplifier can produce the good test tone of calibration, controls through microprocessor.What the execution effect was played in the inside is the MAX9729 amplifier.This amplifier is connected with CPU through the mode of I2C, allows the adjusting of the little stride of operation in 70 decibels scope simultaneously.Such amplification range can obtain most of hearing loss persons' the force data of listening, except the unusual severe patient of those hearing losss.Change amplitude although programmable amplifier can be controlled the output of sound accurately, it can't monitor the size of actual output sound, so system has two (each one in left and right sides ear) micro actuators, in order to the output reference of calibration testing sound.
(10) earphone: universal earphone.
(11) audio process: audio process is used to monitor the external voice level, thereby when calibration, test, an external environmental noise reference value is provided.
(12) mike: one independently mike be used for environment noise monitoring.
(13) power supply adaptor: general ac/dc power supply adaptor.
(14) set of cells: chargeable Ni-MH battery is the whole system power supply.
(15) RTC real-time clock: real-time clock is in order to the number of times of record test.
(16) flash memory: additional memory space is in order to preserve resolution chart and record.
(17) voice-frequency-multichannel transmission: simultaneously mobile phone sound and test signal are reached in the earphone.
(18) sonifer adapter: be used for connecting sonifer, for it programming.
The present invention is not limited to above-mentioned preferred forms, and other any identical with the present invention or akin products that anyone draws under enlightenment of the present invention all drop within protection scope of the present invention.
Claims (7)
1. self-service hearing test and hearing assistant system comprise CPU center processor (1), three control keys (2), LED display lamp (3), LCD display (4), a USB interface (5), two RS232 interfaces, programmable amplifier (9), earphone (10), audio process (11), mike (12), 9 volts power supply adaptor (13), set of cells (14), real-time clock (15) and voice-frequency-multichannel transmission circuit (17); It is characterized in that: CPU center processor (1) is 8051 type processors, and 8051 type processors and programmable amplifier (9) pass through I
2The C interface mode links to each other, and programmable amplifier (9) links to each other with earphone (10) through voice-frequency-multichannel transmission circuit (17), through the inner general asynchronous reception of CPU center processor (1)/emitter UART and programmable calculator array PCA, produces accurate test sound; CPU center processor (1) links to each other with LED display lamp (3), representes the state that system moves through the different flicker of LED display lamp (3); CPU center processor (1) links to each other the operation prompt information of explicit user with LCD display (4); CPU center processor (1) but link to each other with the control key (2) of three input informations, the external real-time clock of CPU center processor (1) (15) circuit, 9 volts power supply adaptor (13) provides power supply for system; Mike (12) links to each other with CPU center processor (1) through audio process (11).
2. self-service hearing test according to claim 1 and hearing assistant system; It is characterized in that: set of cells (14) and 9 volts power supply adaptor (13) output-parallel; Power supply adaptor when external power supply is arranged (13) is set of cells (14) charging, and set of cells (14) provides 9 volts of unidirectional currents for system during no external power supply.
3. self-service hearing test according to claim 1 and hearing assistant system is characterized in that: CPU center processor (1) the LED display lamp that connects (3) can reach 10 LED light bars at most, and every LED light bar is supported 1 to 8 LED light emitting diode.
4. self-service hearing test according to claim 1 and hearing assistant system; It is characterized in that: self-service hearing test and hearing assistant system peripheral interface circuit have serial line interface and parallel interface, can be connected with LCD display (4) through serial line interface or parallel interface.
5. self-service hearing test according to claim 1 and hearing assistant system; It is characterized in that: self-service hearing test and hearing assistant system peripheral interface comprise serial line interface, parallel interface and USB interface (5), can connect PC (7), mobile device (8) and printer (6).
6. self-service hearing test according to claim 1 and hearing assistant system is characterized in that: self-service hearing test and hearing assistant system peripheral interface comprise RS232 interface and USB interface, are connected on the computer.
7. self-service hearing test according to claim 1 and hearing assistant system; It is characterized in that: self-service hearing test and hearing assistant system peripheral interface comprise the hearing aid apparatus interface; Be used to connect sonifer (18); Through the load operating custom program, satisfy the sonifer configuration requirement of special hearing loss.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102222304A CN101862195B (en) | 2010-07-09 | 2010-07-09 | Self-service hearing test and hearing assistant system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102222304A CN101862195B (en) | 2010-07-09 | 2010-07-09 | Self-service hearing test and hearing assistant system |
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| CN101862195A CN101862195A (en) | 2010-10-20 |
| CN101862195B true CN101862195B (en) | 2012-07-18 |
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| CN2010102222304A Expired - Fee Related CN101862195B (en) | 2010-07-09 | 2010-07-09 | Self-service hearing test and hearing assistant system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342834B (en) * | 2011-09-08 | 2013-05-29 | 江苏贝泰福医疗科技有限公司 | Portable hearing testing and hearing-aid testing and matching integrated system |
| AU2015251496A1 (en) * | 2014-04-23 | 2016-09-22 | Hear Ip Pty Ltd | Systems and methods for objectively determining hearing thresholds |
| CN104013410B (en) * | 2014-04-29 | 2016-02-03 | 中国人民解放军总医院 | Audio frequency playing method, Apparatus and system |
| US20150358745A1 (en) * | 2014-06-06 | 2015-12-10 | Rix Design | Self administered calibrated hearing kit, system and method of testing |
| CN104771179A (en) * | 2015-03-20 | 2015-07-15 | 运城市康丽声医疗器械有限公司 | Intelligent diagnosis and treatment system for tinnitus and deafness |
| CN104921734A (en) * | 2015-07-03 | 2015-09-23 | 谢清华 | Newborn hearing screening instrument |
| CN107569236B (en) * | 2017-09-06 | 2020-03-06 | 杨捷 | Multifunctional hearing test and hearing aid system and hearing test method thereof |
| EP3669780B1 (en) | 2018-12-21 | 2023-10-04 | Audiodo AB (publ) | Methods, devices and system for a compensated hearing test |
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| WO2008141672A1 (en) * | 2007-05-18 | 2008-11-27 | Phonak Ag | Fitting procedure for hearing devices and corresponding hearing device |
| CN101316459A (en) * | 2007-05-31 | 2008-12-03 | 麦尔马克汽车电子(深圳)有限公司 | Hearing aid and control method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319207B1 (en) * | 2000-03-13 | 2001-11-20 | Sharmala Naidoo | Internet platform with screening test for hearing loss and for providing related health services |
| CN2475375Y (en) * | 2001-04-16 | 2002-02-06 | 孙喜斌 | Auditory estimating device |
| CN200954108Y (en) * | 2006-09-22 | 2007-10-03 | 北京麦邦光电仪器有限公司 | Hand-held acoustic detector |
| WO2008141672A1 (en) * | 2007-05-18 | 2008-11-27 | Phonak Ag | Fitting procedure for hearing devices and corresponding hearing device |
| CN101316459A (en) * | 2007-05-31 | 2008-12-03 | 麦尔马克汽车电子(深圳)有限公司 | Hearing aid and control method thereof |
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