CN104352243A - Monitoring system and monitoring method for measuring sound source positioning capability - Google Patents
Monitoring system and monitoring method for measuring sound source positioning capability Download PDFInfo
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- CN104352243A CN104352243A CN201410693500.8A CN201410693500A CN104352243A CN 104352243 A CN104352243 A CN 104352243A CN 201410693500 A CN201410693500 A CN 201410693500A CN 104352243 A CN104352243 A CN 104352243A
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- audiometry
- chair
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- revolving joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/12—Audiometering
- A61B5/121—Audiometering evaluating hearing capacity
- A61B5/123—Audiometering evaluating hearing capacity subjective methods
Abstract
The invention relates to a monitoring system and a monitoring method for measuring the sound source positioning capability. The monitoring system comprises a monitoring cabin, a sound giving device, a measuring chair, a monitoring response recording head frame and a control device, wherein the monitoring cabin comprises a spherical surface inner cabin wall, a sound transmission shielding device is attached into the inner cabin wall, the sound giving device is arranged in a spherical surface cabin wall, the measuring chair is arranged in the monitoring cabin, a regulating device used for regulating the height and the angle is arranged on the measuring chair, the monitoring response recording head frame comprises a head frame and a monitoring sensing device, the monitoring sensing device is arranged on the head frame and is used for monitoring the response action of a testee after hearing test sound and generating corresponding sensing information, and the control device is respectively connected with the sound giving device, the regulating device and the monitoring sensing device and is used for controlling the sound giving device to give out the test sound, regulating the height and the angle of the measuring chair according to received regulating instructions, receiving the sensing information and carrying out calculation according to the sensing information and the position giving out the test sound to obtain a monitoring result. The monitoring system and the monitoring method have the advantages that the measurement accuracy is high, and the measurement is simple and convenient.
Description
Technical field
The present invention relates to a kind of testing equipment, particularly relate to a kind of audiometric systems and the audiometry method of measuring sound localization ability.
Background technology
Hearing test or title audiometry are by observing experimenter to the reaction caused by sonic stimulation, to understand the inspection of auditory function state and diagnostic hearing system disease.The object of hearing test is clear and definite with or without dysaudia, the degree of hearing loss and the character of hearing loss and position.The object of sound localization inspection mainly detects the angle perception of experimenter to sound source position.Can be used for Different age group or the capability study of different hearing impaired population's sound localization, and to rehabilitation efficacy research after the use of the hearing assistance devices such as sonifer, artificial cochlea.
In existing sound localization technology, audiometry storehouse is generally a cube structure, measures in storehouse and is provided with multiple audio amplifier.Experimenter is sitting in audiometry storehouse, and tester controls one of them audio amplifier and sounds, and experimenter points out audio amplifier or the left and right directions of sound source; Tester records the result of repeatedly testing and calculates the audiometry results of experimenter according to corresponding algorithm.
As can be seen from foregoing, prior art needs tester's artificial sample and calculates audiometry results, inside, existing audiometry storehouse mostly is rectangular structure, be positioned at audiometric room inner near wall audio amplifier sound due to opposing sides position difference, wall has different reflectance for different frequency sound, the identical sound source of diverse location is sounded and has a great difference at test position gained spectrum signature, and make experimenter likely remember different audio amplifier by the spectrum distribution feature of diverse location audio amplifier sounding, this can affect the sampling accuracy of test data, the accuracy of test result can be had influence on equally.Experimenter can see audio amplifier position, and test result is the audio amplifier position of pointing out thought sounding, instead of directly points out the sound position experienced to have certain error; And in test process, position, the posture of experimenter's head all remain concordance when can not effectively ensure that each test tone sends, and namely see the center origin direction to test requirements document.And effectively can not be recorded in experimenter's head in test process, reactions change that hordeolum is made sound position.
Summary of the invention
In view of the above problems, the invention provides a kind of audiometric systems and the audiometry method of measuring sound localization ability, to improve test accuracy and testing efficiency.
According to first aspect of the present invention, provide a kind of audiometric systems, comprising:
Audiometry storehouse, it comprises spherical interior storehouse;
To mixer, it is arranged in the sphere bulkhead in described spherical interior storehouse, for sending test tone;
Entrant sound radical occlusion device, it is located on described inner barn wall, described to mixer for blocking;
Measure chair, it is arranged in described audiometry storehouse, described measurement chair is provided with adjusting device, described adjusting device is for regulating height and the anglec of rotation of described measurement chair, with the centre of sphere making the head Liang Er center being sitting in the experimenter on described measurement chair be in described spherical interior storehouse, and can to rotate by the described centre of sphere and perpendicular to the axis of described measurement chair seat;
The audiometry reacting record headstock, it comprises the headstock and is arranged on the audiometry induction installation on the described headstock, and described audiometry induction installation hears the reaction action after described test tone for monitoring experimenter, and generates corresponding sensitive information;
Control device, it is connected with described mixer, described adjusting device and the described audiometry induction installation given respectively, described in controlling, send described test tone to mixer; Height and the anglec of rotation of described measurement chair is regulated according to the regulating command received; And receive the sensitive information that described audiometry induction installation sends, obtain and send the position of described test tone, and draw audiometry results according to described sensitive information and the position calculation that sends described test tone.
According to second aspect of the present invention, provide a kind of audiometry method, comprising:
When starting to measure, control device controls to send test tone to mixer, wherein, in the described sphere bulkhead being arranged on the spherical interior storehouse in test storehouse to mixer;
Audiometry induction installation monitoring experimenter hears the reaction action after described test tone, and generates corresponding sensitive information;
Described control device obtains the position sending described test tone;
Described control device receives the sensitive information that described audiometry induction installation sends, and draws audiometry results according to described sensitive information and the position calculation that sends described test tone.
By technique scheme, the technical scheme that the embodiment of the present invention provides at least has following advantages:
The technical scheme that the embodiment of the present invention provides, by being arranged to spherical by storehouse in audiometry storehouse, avoids because reflection causes uneven interference effect to the frequency spectrum characteristic of sound-source signal; By arranging the measurement chair with adjusting device, ensure that the head Liang Er center of the experimenter be sitting on described measurement chair is in the centre of sphere in spherical interior storehouse, to reduce the factor affecting accuracy of measurement brought because Height is different further; By arranging the audiometry reacting record headstock including audiometry induction installation, achieving the sampling of automatic measurement parameter, ensure that the accuracy of sampling, and then contribute to the accuracy improving measurement result; Realized the automatization of audiometry by control device, simplify test process, decrease the generation of human error.It can thus be appreciated that the technical scheme that the embodiment of the present invention provides, comparatively prior art, which obviate part personal error, accuracy in detection is high, measurement is easier.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference marks.In the accompanying drawings:
Fig. 1 shows the structural representation of the audiometric systems that the embodiment of the present invention one provides;
Fig. 2 is the top view of Fig. 1;
Fig. 3 shows the side-looking structural representation of the audiometry reacting record headstock in the audiometric systems that the embodiment of the present invention one provides;
What Fig. 4 showed the audiometry reacting record headstock in the audiometric systems that the embodiment of the present invention one provides faces structural representation;
Fig. 5 shows the structural representation measuring chair in the audiometric systems that the embodiment of the present invention one provides;
Fig. 6 shows the schematic diagram measuring the location structure of head of chair in the audiometric systems that the embodiment of the present invention one provides;
Fig. 7 shows in the audiometric systems that the embodiment of the present invention one provides and measures the schematic diagram that chair is in deployed condition;
Fig. 8 shows the structural representation of the first track described in audiometric systems that the embodiment of the present invention one provides;
Fig. 9 shows the schematic flow sheet of the described audiometry method that the embodiment of the present invention two provides.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, the structural representation of audiometric systems that provides of the embodiment of the present invention one.The described audiometric systems that the present embodiment one provides, as depicted in figs. 1 and 2, comprising: audiometry storehouse 1, to mixer 2, measure chair 3, entrant sound radical occlusion device 4, the audiometry reacting record headstock 5 (shown in Fig. 3) and control device 6.Wherein, described audiometry storehouse 1 includes spherical interior storehouse.Described mixer 2 of giving is arranged in the sphere bulkhead in described spherical interior storehouse, for sending test tone.Described measurement chair 3 is arranged in described audiometry storehouse 1.Described measurement chair 3 is provided with adjusting device 7, described adjusting device 7 is for regulating height and the anglec of rotation of described measurement chair 3, with the centre of sphere O making the head Liang Er center being sitting in the experimenter on described measurement chair 3 be in described spherical interior storehouse, and can to rotate by the described centre of sphere and perpendicular to the axis of described measurement chair seat.Described entrant sound radical occlusion device 4 is located at described inner barn wall, described to mixer for blocking; Namely be lining in described inner barn wall in described entrant sound radical occlusion device 4, be located at described to the top of mixer 2, can be used for blocking described to mixer 2.Certainly, described entrant sound radical occlusion device also can shelter from all or part of for the sphere inner barn wall in spherical interior storehouse simultaneously, to make the inwall in described audiometry storehouse without visual difference.As shown in Figure 2, the described audiometry reacting record headstock 5 comprises the headstock 51 and is arranged on the audiometry induction installation 52 on the described headstock 51, described audiometry induction installation 52 hears the reaction action after described test tone for monitoring experimenter, and generates corresponding sensitive information.Described control device 6 is connected with described mixer 2, described adjusting device 7 and described audiometry induction installation 52 (not shown in figure 1) of giving respectively, described in controlling, send described test tone to mixer 2; Height and the anglec of rotation of described measurement chair 3 is regulated according to the regulating command received; And receive the sensitive information that described audiometry induction installation 52 sends, obtain and send the position of described test tone, and draw audiometry results according to described sensitive information and the position calculation that sends described test tone.
Here you need to add is that: described control device is connected to mixer 2, described adjusting device 7 and described audiometry induction installation 52 with described respectively by wired or wireless mode.Described entrant sound radical occlusion device can be the entrant sound curtain adopting entrant sound barrier material.
The technical scheme that the present embodiment provides, by being arranged to spherical by storehouse in audiometry storehouse, avoids due to the uneven interference effect of reflection to sound-source signal; By arranging the measurement chair with adjusting device, ensure that the head Liang Er center of the experimenter be sitting on described measurement chair is in the centre of sphere in spherical interior storehouse, to reduce the factor affecting accuracy of measurement brought because Height is different further; By arranging the audiometry reacting record headstock including audiometry induction installation, achieving the sampling of automatic measurement parameter, ensure that the accuracy of sampling, and then contribute to the accuracy improving measurement result; Realized the automatization of audiometry by control device, simplify test process, decrease the generation of human error.It can thus be appreciated that the technical scheme that the present embodiment provides, comparatively prior art, which obviate part personal error, accuracy in detection is high, measurement is easier.
In sound localization process, the physiological reaction of people is the situation that the mode even converting body gesture after hearing sonic stimulation by watching change in location, rotary head attentively goes to attempt to check sound source position.Need in this process to experimenter watch position attentively and head movement situation is followed the trail of and record, by analyzing the direction of ocular movement angle and head rotation, speed and acceleration etc. carry out the auditory response of test subject.Thus, the audiometry induction installation 52 described in above-described embodiment can comprise: eye moves detector 522 and motion sensor 521.Wherein, described eye moves detector 522 and is connected with described control device, for detecting the motion of experimenter's eye, and the eye motion sensitive information monitored is sent to described control device.Described motion sensor 521 is connected with described control device, for detecting the motion of subject's head, and the head movement sensitive information monitored is sent to described control device.
Wherein, what described eye moved detector employing is Visual Trace Technology, namely by the detection to some characteristics in human eye movement's process, completes the technology of accurately following the trail of human eye sight change procedure.Described motion sensor can be gyroscope.
Entrant sound radical occlusion device 4 described in above-described embodiment can be the entrant sound curtain that entrant sound curtain material is made.Be lining in described sphere inner barn wall in described entrant sound curtain, and be located at described to the top of mixer, described to mixer for blocking, observe described sphere inner barn wall after making experimenter be placed in described audiometry storehouse without visual difference.Wherein, entrant sound curtain can only block described to mixer, or blocks described to mixer and remainder bulkhead, or blocks described to mixer and whole bulkhead.
Further, the mixer 2 of giving described in above-described embodiment comprises two or more audio amplifier; As depicted in figs. 1 and 2, two or more described audio amplifier is along the warp of described sphere inner barn wall and/or the uniform setting of parallel.Such as, along and the centre of sphere in spherical interior storehouse to be on conplane warp uniform 4,6,8,18 or 36 etc.; Along and the centre of sphere in spherical interior storehouse to be on conplane parallel uniform 4,6,8,18 or 36 etc.
Further, the described headstock can adopt the structure shown in Fig. 3 and Fig. 4 to realize.As shown in Figure 3 and Figure 4, the described headstock 51 comprises: for keeping the first support body 511 with subject's head relative position relation, and be arranged on the second support body 512 on described first support body 511.Wherein, the described headstock 51 can be by the arcuate structure (as shown in Figure 3) of volume top to occipitalia, also can be the headgear structure had for holding subject's head surrounded by many supports, etc., the present invention does not do concrete restriction to this.Described eye moves detector 522 and can be arranged on described second support body 512.Described motion sensor 521 can be arranged on described first support body 511 (as shown in Figure 3), also can be arranged on described second support body 512.When specific embodiment, as shown in Figure 4, the second described support body 512 can be specially spectacles frame structural.Described eye moves detector 522 and can be arranged in the picture frame of described spectacles frame structural.
Further, as shown in Figure 4, the audiometry reacting record headstock 5 described in above-described embodiment can also comprise: generating device of laser 53 and image collecting device 54.Wherein, described generating device of laser 53 is connected with described control device, for receiving the control instruction that described control device sends, and sends laser beam according to described control instruction.Described image collecting device 54 is connected with described control device, for gathering image information, and the image information collected is sent to described control device, draw audiometry results to make described control device according to described image information, described sensitive information and the position calculation that sends described test tone.Wherein, described generating device of laser 53 and described image collecting device 54 can be arranged on described first support body, also can be arranged on described second support body.As shown in Figure 4, when described second support body is spectacles frame structural, described generating device of laser 53 and described image collecting device 54 can be arranged on the position between two lens frame of described spectacles frame structural.
The present embodiment can realize before measuring to the height adjustment measuring chair, with the centre of sphere making the head Liang Er center being sitting in the experimenter on described measurement chair be in described spherical interior storehouse by arranging described generating device of laser and described image collecting device.Concrete, tester enters and measures storehouse, take described measurement chair and after bringing the measurement headstock, tester faces the place that front is provided with location graduation, gauger triggering command can send laser beam to make described control device control described generating device of laser, image acquisition device image information, and the described image information collected is sent to described control device.Control device, by graphical analysis, exports corresponding regulating command according to described image information, and to make described adjusting device, the head Liang Er center of the experimenter be sitting on described measurement chair is in the centre of sphere in described spherical interior storehouse to regulate the height of described measurement chair to ensure.In addition, in measuring process, described image acquisition device to image information also can be used as the input parameter of control device computation and measurement result, to improve the accuracy in computation of described control device.
Further, described sphere bulkhead is provided with Position Scale.Described Position Scale can be fixed on the scale on described bulkhead, also can be sign be engraved on described bulkhead etc.Certainly, also can be the positioning mark projected image that projection device is formed on described bulkhead.Namely described audiometric systems can also include projection arrangement.Described projection arrangement is connected with described control device.The projection instruction that described projection arrangement sends for receiving described control device, and send Position Scale projection according to described projection instruction.Described projection arrangement can be placed in described audiometry storehouse, also can hang on bulkhead.
Bulkhead is provided with Position Scale for the region of locating and test or projection has Position Scale projected image, experimenter is sitting in and measures after on chair, the laser alignment experimenter front direction that generating device of laser sends, image acquisition device illuminated laser spot on the headstock is in the position image information of Position Scale, control device passes through graphical analysis, corresponding regulating command is exported according to described image information, to make described adjusting device, the head Liang Er center of the experimenter be sitting on described measurement chair is in the centre of sphere in described spherical interior storehouse to regulate the height of described measurement chair to ensure.In addition, described Position Scale or projection have Position Scale projected image also to can be used in measuring process, to improve the precision of measurement.Concrete, experimenter is hearing that corresponding rotation can occur test tone occiput, and now image acquisition device subject's head rotates the position image information that rear illuminated laser spot is in Position Scale.Control device can be in the position image information of Position Scale as calculating parameter using rotating because of subject's head obtained illuminated laser spot, further can improve the certainty of measurement of described measuring system.
Further, as shown in Figure 5, the measurement chair 3 described in above-described embodiment can adopt following structure to realize.Concrete, described measurement chair 3 comprises support portion 31, seat support portion 32 and chair back portion 33.Wherein, described seat support portion 32 is arranged on described support portion 31.Described chair back portion 33 is arranged in described seat support portion 32.Described chair back portion 33 is also provided with location structure of head 34.Described adjusting device (not shown) comprises: rotating driving device and lifting drive.Described rotating driving device is connected with described support portion, for driving described measurement chair to rotate around rotating shaft OO ', wherein, described rotating shaft OO ' perpendicular to described seat support portion 32, and by being sitting in the head Liang Er center of the experimenter on described measurement chair.Described lifting drive is connected with described support portion, moves up and down along described rotating shaft for driving described measurement chair.Here it should be noted that: the described location structure of head 34 be arranged in described chair back portion 33 can move relative to described chair back portion 33, concrete by arranging chute in described chair back portion 33, described location structure of head 34 is arranged on described chute, the described location structure of head that manually slides realizes described location structure of head and moves relative to the described chair back, and realizes fixing after adjusting to the right place by latch-up structure.So just according to the different heights of experimenter, the position of described location structure of head can be adjusted, just in time be on described location structure of head to make the head of experimenter.Concrete, described location structure of head 34 can adopt the structure shown in Fig. 6 to realize, and namely described location structure of head 34 comprises locating bodies 341, and is arranged on the radian groove 342 suitable with human body head on described locating bodies 341.Further, as shown in Figure 6, can also arrange one in described radian groove 342 can rotate with described subject's head when subject's head is rotated, and can descend the sliding part of movement, to make the head rotation of experimenter not limited in described radian groove.
When specific embodiment, above-mentioned described rotating driving device can take following manner to realize.Concrete, described rotating driving device comprises: the first motor and the first drive mechanism.Wherein, described first motor is connected with described control device, for receiving the first regulating command that described control device exports, and according to described first regulating command outputting rotary power.Described first drive mechanism, its power incoming end is connected with described first motor, and its clutch end is connected with described support portion.Described measurement chair, under the driving of described driving mechanism, rotates around described rotating shaft.
In above-described embodiment, described lifting drive can specifically adopt the structure of hydraulic lifter, pneulift or linear electric motors and guide rail to realize etc., and the present embodiment does not do concrete restriction to this.
Further, as shown in figure 5 and figure 7, the measurement chair 3 described in above-described embodiment can also comprise: connecting portion 35 and pedal portion 36.Wherein, described connecting portion 35 is connected with described seat support portion 32.Described pedal portion 36 is connected with described connecting portion 35.Described chair back portion 33 is provided with the first revolving joint 37 with the junction in described seat support portion 32, and described chair back portion 33 rotates relative to described seat support portion 32 by described first revolving joint 37.Described connecting portion 35 is provided with the second revolving joint 38 with the junction in described seat support portion 32, and described connecting portion 35 rotates relative to described seat support portion 32 by described second revolving joint 38.Described pedal portion 36 is provided with the 3rd revolving joint 39 with the junction of described connecting portion 35, and described pedal portion 36 rotates relative to described connecting portion 35 by described 3rd revolving joint 39.As shown in Figure 7, described measurement chair 3 is in deployed condition by described first revolving joint 37, second revolving joint 38 and the 3rd revolving joint 39.Adjusting device described in above-described embodiment can also comprise: sliding driving device.Described sliding driving device is connected with described support portion, for driving described measurement chair along setting the first rail moving, when making described measurement chair be in deployed condition by described first revolving joint, the second revolving joint and the 3rd revolving joint, the head Liang Er center lying in the experimenter on the described measurement chair of deployed condition is in the centre of sphere in described spherical interior storehouse.The present embodiment is by arranging the first revolving joint, the second revolving joint and the 3rd revolving joint respectively in described chair back portion and the junction in described seat support portion, described connecting portion and the junction in described seat support portion and the junction of described pedal portion and described connecting portion, described measurement chair can be made to be rendered as two kinds of configurations, a kind of is the configuration of seat support, gauger can take the mode of sitting posture to test, one is bed structure form, and gauger can take the mode lain low to test.
Wherein, the sliding driving device described in above-described embodiment can adopt following structure to realize.Described sliding driving device comprises: the second motor, the second drive mechanism, driving wheel and the first track.Wherein, described second motor is connected with described control device, for receiving the second regulating command that described control device exports, and according to described second regulating command outputting rotary power.The power intake of described second drive mechanism is connected with described second motor.Described driving wheel is arranged on the bottom of described support portion, and described driving wheel is connected with the clutch end of described second drive mechanism.As shown in Figure 8, the described first track 7 ring segment track 72 that comprises straightway track 71 and be communicated with described straightway track 71.Described support portion is arranged on described first track, and can along described straightway rail moving to described ring segment track under the drive of described driving wheel, and along described ring segment rail moving, with when described measurement chair is in deployed condition by described first revolving joint, the second revolving joint and the 3rd revolving joint, the head Liang Er center lying in the experimenter on the described measurement chair of deployed condition is in the centre of sphere in described spherical interior storehouse.
Further, after making expansion, be in the more steady of the described measurement chair rotation of bed structure form, the above-mentioned described sliding driving device provided can also comprise: the second track, and described second track is circular orbit.Described second track is concentric with the described ring segment track in described first track.Accordingly, described measurement chair also comprises: sliding support.Described sliding support is arranged on described pedal portion or described connecting portion by linkage structure, and described sliding support rotates relative to described pedal portion or connecting portion by described linkage structure.Described linkage structure and described 3rd revolving joint link and arrange.Described pedal portion is by described 3rd revolving joint when described connecting portion rotates, and described sliding support passes through described linkage structure and to rotate relative to described pedal portion or connecting portion and vertical with described pedal portion or connecting portion.The end of described sliding support is provided with the slide block suitable with described second track.Described second track is provided with the insert port suitable with described slide block.Described sliding support is rotated in the process vertical with described pedal portion or connecting portion by described linkage structure, and described slide block enters described second track by described insert port, to make described sliding support can along described second slide.
The first revolving joint described in above-described embodiment can be hinge, can manual operation realize measurement chair to be converted to bed structure form from chair base structure shape.Certainly, described first revolving joint also can be realized by following structure, and namely described first revolving joint comprises the 3rd motor and connecting axle.Described 3rd motor is connected with described control device, for receiving the 3rd regulating command that described control device exports, and according to described 3rd regulating command outputting rotary power.Be arranged on the connecting axle in described seat support portion.One end of described connecting axle and the connection of described 3rd motor.Described connecting axle is connected with described chair back portion, and described connecting axle, under the driving of described 3rd motor, drives described chair back portion to rotate relative to described seat support portion.Same, described second revolving joint is identical with the structure of described first revolving joint; Described 3rd revolving joint is identical with the structure of described first revolving joint; Described second revolving joint and the 3rd revolving joint also can adopt said structure, just repeat no more herein.
As shown in Figure 9, the schematic flow sheet of described audiometry method that provides of the embodiment of the present invention two.The described audiometric systems that above-described embodiment one provides can realize the audiometry method originally executed described in example two, and the described audiometry method that namely the present embodiment two provides is applicable to the described audiometric systems that above-described embodiment one provides.Concrete, described audiometry method comprises:
Step 101, when starting to measure, send test tone to mixer.
Wherein, in the described sphere bulkhead being arranged on the spherical interior storehouse in test storehouse to mixer.Described mixer of giving can be controlled by the control device in audiometric systems.Here it should be noted that: be sitting in experimenter and measure on chair, and when the head Liang Er center meeting the experimenter be sitting on described measurement chair is in the centre of sphere in described spherical interior storehouse, could start to measure.Therefore, before starting measurement, the height of seat support need be regulated to meet above-mentioned condition by adjusting device.
Step 102, audiometry induction installation monitoring experimenter hears the reaction action after described test tone, and generates corresponding sensitive information.
Wherein, described sensitive information can comprise eye motion sensitive information and head movement sensitive information.Described eye motion sensitive information can be moved detector to detect by the eye in audiometric systems and obtain.Described head movement sensitive information can be detected by the motion sensor in audiometric systems and obtain.
Step 103, control device obtain the position sending described test tone.
Concrete, described control device obtains the position sending described test tone, can adopt following various ways to realize:
A kind of, tester sends triggering command by triggering control key accordingly to described control device, carries audio amplifier mark in described triggering command, sends test tone to indicate the audio amplifier by described audio amplifier mark is corresponding.Mark and the coordinate position be arranged in described audiometry storehouse of audio amplifier described in each are all stored in advance in the memory area of setting.When described control device control described triggering command instruction audio amplifier send test tone after, coordinate position corresponding to this audio amplifier can be obtained in described memory area.Concrete described coordinate position can be latitude and longitude coordinates, also can be the coordinate done under rectangular coordinate system.
Another kind, control device is provided with Test Strategy in advance, and described control device, according to described Test Strategy, chooses the audio amplifier on corresponding coordinate position, and controls this audio amplifier and send test tone, and this coordinate position of buffer memory, uses in order to subsequent calculations.
Step 104, described control device receive the sensitive information that described audiometry induction installation sends, and draw audiometry results according to described sensitive information and the position calculation that sends described test tone.
Wherein, this step can adopt following steps to realize:
First, described control device receives the sensitive information that described audiometry induction installation sends, and described sensitive information comprises: eye motion sensitive information and head movement sensitive information.
Then, described control device obtains experimenter the gaze position of its eye and initial attitude of head before this test.
Subsequently, described control device, according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information and the position sending described test tone, adopts the algorithm preset to calculate the audiometry results of this time test.
Wherein, described default algorithm artificially can set according to the measuring principle of reality, and is pre-configured in control device.
Finally, described control device obtains the audiometry results of previous test, and according to the audiometry results of described previous test and the test result of described this time test, draws comprehensive audiometry results.
By adopting the comprehensive of repetitive measurement result, the accuracy of measurement further can be improved.
Here you need to add is that: if the audiometry reacting record headstock of described audiometric systems also includes generating device of laser and image collecting device, then described control device also can receive the image information of described image acquisition device, only calculate according to eye motion sensitive information and head movement sensitive information the measured deviation brought with further modifying factor, namely the method described in above-described embodiment two, can also comprise the steps:
The image information that described image collecting device collects after experimenter is brought the measurement headstock is sent to described control device.
Accordingly, described control device is according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information and the position sending described test tone, adopt the algorithm preset to calculate the audiometry results of this time test, be specially:
Described control device, according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information, the position sending described test tone and described image information, adopts the algorithm preset to calculate the audiometry results of this time test.
The laser beam that experimenter directly uses the generating device of laser on the headstock to send points out the position sending test tone, then the luminous point that presents on described sphere inner barn wall of this laser beam of image acquisition device, described sphere inner barn wall can be provided with reference coordinate, described image acquisition device image information, control device can according to the image information collected, the position sending test tone of being told by graphical analysis acquisition experimenter.The direct test result that the position of the test tone that control device can be pointed out according to behavioristics's principle and the tester of sound localization obtains, COMPREHENSIVE CALCULATING draws audiometry results more accurately.
The technical scheme that the present embodiment provides, comparatively prior art, achieve the automatization of measurement, avoids part personal error, and accuracy in detection is high, measurement is easier.
Further, the described method that above-described embodiment two provides, can also comprise the steps:
Step 1001, before starting test, described control device controls generating device of laser and sends laser beam.
The image information that step 1002, image collecting device collect after experimenter is brought the measurement headstock is sent to described control device.
Wherein, described sphere inner barn wall is provided with location graduation.After experimenter brings the measurement headstock, when watching described location graduation position attentively, can there is luminous point at described location graduation place in laser beam.Described image acquisition device is to the image including luminous point and described location graduation.
Step 1003, described control device, according to described image information, send regulating command to being arranged on the dispensing device measured on chair.
Wherein, if described image information is the image including luminous point and described location graduation, then described control device is by graphical analysis, obtain the relative position relation between the master scale in described luminous point and location graduation, as the vector distance/angle difference above differed along the x-axis direction, and the vector distance/angle difference above differed along the y-axis direction.And according to described relative position relation, generate corresponding regulating command.
Step 1004, described adjusting device, according to described regulating command, regulate the height of described measurement chair, with the centre of sphere making the head Liang Er center being sitting in the experimenter on described measurement chair be in described spherical interior storehouse.
It should be noted that: for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in description all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
Be understandable that, the correlated characteristic in said method and device can reference mutually.In addition, " first ", " second " in above-described embodiment etc. are for distinguishing each embodiment, and do not represent the quality of each embodiment.
In description provided herein, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand in each inventive aspect one or more, in the description above to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes.But, the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires feature more more than the feature clearly recorded in each claim.Or rather, as claims below reflect, all features of disclosed single embodiment before inventive aspect is to be less than.Therefore, the claims following detailed description of the invention are incorporated to this detailed description of the invention thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
In addition, those skilled in the art can understand, although embodiments more described herein to comprise in other embodiment some included feature instead of further feature, the combination of the feature of different embodiment means and to be within scope of the present invention and to form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can use with arbitrary compound mode.
The present invention will be described instead of limit the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference marks between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.The present invention can by means of including the hardware of some different elements and realizing by means of the computer of suitably programming.In the unit claim listing some devices, several in these devices can be carry out imbody by same hardware branch.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
Claims (21)
1. measure an audiometric systems for sound localization ability, it is characterized in that, comprising:
Audiometry storehouse, it comprises spherical interior storehouse;
To mixer, it is arranged in the sphere bulkhead in described spherical interior storehouse, for sending test tone;
Entrant sound radical occlusion device, it is located on described inner barn wall, described to mixer for blocking;
Measure chair, it is arranged in described audiometry storehouse, described measurement chair is provided with adjusting device, described adjusting device is for regulating height and the anglec of rotation of described measurement chair, with the centre of sphere making the head Liang Er center being sitting in the experimenter on described measurement chair be in described spherical interior storehouse, and can to rotate by the described centre of sphere and perpendicular to the axis of described measurement chair seat;
The audiometry reacting record headstock, it comprises the headstock and is arranged on the audiometry induction installation on the described headstock, and described audiometry induction installation hears the reaction action after described test tone for monitoring experimenter, and generates corresponding sensitive information;
Control device, it is connected with described mixer, described adjusting device and the described audiometry induction installation given respectively, described in controlling, send described test tone to mixer; Height and the anglec of rotation of described measurement chair is regulated according to the regulating command received; And receive the sensitive information that described audiometry induction installation sends, obtain and send the position of described test tone, and draw audiometry results according to described sensitive information and the position calculation that sends described test tone.
2. audiometric systems according to claim 1, is characterized in that, described audiometry induction installation comprises:
The dynamic detector of eye, it is connected with described control device, for detecting the motion of experimenter's eye, and the eye motion sensitive information monitored is sent to described control device;
Motion sensor; It is connected with described control device, for detecting the motion of subject's head, and the head movement sensitive information monitored is sent to described control device.
3. audiometric systems according to claim 2, is characterized in that, described motion sensor is gyroscope.
4. the audiometric systems according to any one of claims 1 to 3, is characterized in that, describedly comprises two or more audio amplifier to mixer;
Two or more described audio amplifier is along the warp of described sphere inner barn wall and the uniform setting of parallel.
5. audiometric systems according to claim 2, is characterized in that, the described headstock comprises: for keeping the first support body with subject's head relative position relation, and be arranged on the second support body on described first support body;
Described eye moves detector and is arranged on described second support body;
Described motion sensor is arranged on described first support body or on described second support body.
6. audiometric systems according to claim 5, is characterized in that, described second support body is spectacles frame structural; Described eye moves detector and is arranged in the lens frame of described spectacles frame structural.
7. audiometric systems according to claim 6, is characterized in that, the described audiometry reacting record headstock also comprises:
Generating device of laser, it is connected with described control device, for receiving the control instruction that described control device sends, and sends laser beam according to described control instruction;
Image collecting device, it is connected with described control device, for gathering image information, and the image information collected being sent to described control device, drawing audiometry results to make described control device according to described image information, described sensitive information and the position calculation that sends described test tone;
Described generating device of laser and described image collecting device are arranged on the position between two lens frame of described spectacles frame structural.
8. audiometric systems according to claim 7, is characterized in that, described sphere bulkhead is provided with Position Scale.
9. audiometric systems according to claim 7, is characterized in that, also comprises:
Projection arrangement, it is connected with described control device, for receiving the projection instruction that described control device sends, and sends Position Scale projection according to described projection instruction.
10. the audiometric systems according to any one of claims 1 to 3, is characterized in that, described measurement chair comprises support portion, seat support portion and chair back portion; Wherein,
Described seat support portion is arranged on described support portion;
Described chair back portion is arranged in described seat support portion;
Described chair back portion is also provided with location structure of head;
Described adjusting device comprises: rotating driving device and lifting drive;
Described rotating driving device is connected with described support portion, for driving described measurement chair to rotate around rotating shaft, wherein, described rotational axis vertical in described seat support portion, and by being sitting in the head Liang Er center of the experimenter on described measurement chair;
Described lifting drive is connected with described support portion, moves up and down along described rotating shaft for driving described measurement chair.
11. audiometric systems according to claim 10, is characterized in that, described rotating driving device comprises:
First motor, it is connected with described control device, for receiving the first regulating command that described control device exports, and according to described first regulating command outputting rotary power;
First drive mechanism, its power incoming end is connected with described first motor, and its clutch end is connected with described support portion;
Described measurement chair, under the driving of described driving mechanism, rotates around described rotating shaft.
12. audiometric systems according to claim 10, is characterized in that, described lifting drive is hydraulic lifter.
13. audiometric systems according to claim 10, is characterized in that, described measurement chair also comprises: connecting portion and pedal portion;
Described connecting portion is connected with described seat support portion;
Described pedal portion is connected with described connecting portion;
The junction in described chair back portion and described seat support portion is provided with the first revolving joint, and described chair back portion rotates relative to described seat support portion by described first revolving joint;
The junction in described connecting portion and described seat support portion is provided with the second revolving joint, and described connecting portion rotates relative to described seat support portion by described second revolving joint;
The junction of described pedal portion and described connecting portion is provided with the 3rd revolving joint, and described pedal portion rotates relative to described connecting portion by described 3rd revolving joint;
Described adjusting device also comprises: sliding driving device;
Described sliding driving device is connected with described support portion, for driving described measurement chair along setting the first rail moving, when making described measurement chair be in deployed condition by described first revolving joint, the second revolving joint and the 3rd revolving joint, the head Liang Er center lying in the experimenter on the described measurement chair of deployed condition is in the centre of sphere in described spherical interior storehouse.
14. audiometric systems according to claim 13, is characterized in that, described sliding driving device comprises:
Second motor, it is connected with described control device, for receiving the second regulating command that described control device exports, and according to described second regulating command outputting rotary power;
Second drive mechanism, its power intake is connected with described second motor;
Driving wheel, it is arranged on the bottom of described support portion, and described driving wheel is connected with the clutch end of described second drive mechanism;
First track, it comprises straightway track and the ring segment track with described straightway orbit connection;
Described support portion is arranged on described first track, and can along described straightway rail moving to described ring segment track under the drive of described driving wheel, and along described ring segment rail moving, with when described measurement chair is in deployed condition by described first revolving joint, the second revolving joint and the 3rd revolving joint, the head Liang Er center lying in the experimenter on the described measurement chair of deployed condition is in the centre of sphere in described spherical interior storehouse.
15. audiometric systems according to claim 14, is characterized in that, described sliding driving device, also comprises: the second track, and described second track is circular orbit; Described second track is concentric with the described ring segment track in described first track;
Described measurement chair also comprises: sliding support, and described sliding support is arranged on described pedal portion or described connecting portion by linkage structure, and described sliding support rotates relative to described pedal portion or connecting portion by described linkage structure;
Described linkage structure and described 3rd revolving joint link and arrange;
Described pedal portion is by described 3rd revolving joint when described connecting portion rotates, and described sliding support passes through described linkage structure and to rotate relative to described pedal portion or connecting portion and vertical with described pedal portion or connecting portion;
The end of described sliding support is provided with the slide block suitable with described second track;
Described second track is provided with the insert port suitable with described slide block;
Described sliding support is rotated in the process vertical with described pedal portion or connecting portion by described linkage structure, and described slide block enters described second track by described insert port, to make described sliding support can along described second slide.
16. audiometric systems according to claim 13, is characterized in that, described first revolving joint comprises:
3rd motor, it is connected with described control device, for receiving the 3rd regulating command that described control device exports, and according to described 3rd regulating command outputting rotary power;
Be arranged on the connecting axle in described seat support portion, the connection of its one end and described 3rd motor;
Described connecting axle is connected with described chair back portion, and described connecting axle, under the driving of described 3rd motor, drives described chair back portion to rotate relative to described seat support portion.
17. audiometric systems according to claim 16, is characterized in that,
Described second revolving joint is identical with the structure of described first revolving joint;
Described 3rd revolving joint is identical with the structure of described first revolving joint.
18. 1 kinds of audiometry methods, is characterized in that, comprising:
When starting to measure, control device controls to send test tone to mixer, wherein, in the described sphere bulkhead being arranged on the spherical interior storehouse in test storehouse to mixer;
Audiometry induction installation monitoring experimenter hears the reaction action after described test tone, and generates corresponding sensitive information;
Described control device obtains the position sending described test tone;
Described control device receives the sensitive information that described audiometry induction installation sends, and draws audiometry results according to described sensitive information and the position calculation that sends described test tone.
19. methods according to claim 18, is characterized in that, described control device receives the sensitive information that described audiometry induction installation sends, and draw audiometry results according to described sensitive information and the position calculation that sends described test tone, comprising:
Described control device receives the sensitive information that described audiometry induction installation sends, and described sensitive information comprises: eye motion sensitive information and head movement sensitive information;
Described control device obtains experimenter the gaze position of its eye and initial attitude of head before this test;
Described control device, according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information and the position sending described test tone, adopts the algorithm preset to calculate the audiometry results of this time test;
Described control device obtains the audiometry results of previous test, and according to the audiometry results of described previous test and the test result of described this time test, draws comprehensive audiometry results.
20. methods according to claim 19, is characterized in that, also comprise:
The image information that described image collecting device collects after experimenter is brought the measurement headstock is sent to described control device;
Accordingly, described control device is according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information and the position sending described test tone, adopt the algorithm preset to calculate the audiometry results of this time test, be specially:
Described control device, according to the initial attitude of described gaze position, described head, described eye motion sensitive information, described head movement sensitive information, the position sending described test tone and described image information, adopts the algorithm preset to calculate the audiometry results of this time test.
21. methods according to any one of claim 18 ~ 19, is characterized in that, also comprise:
Before starting test, described control device controls generating device of laser and sends laser beam;
The image information that image collecting device collects after experimenter is brought the measurement headstock is sent to described control device;
Described control device, according to described image information, sends regulating command to being arranged on the adjusting device measured on chair;
Described adjusting device, according to described regulating command, regulates the height of described measurement chair, with the centre of sphere making the head Liang Er center being sitting in the experimenter on described measurement chair be in described spherical interior storehouse.
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