CN107948898A - A kind of hearing aid auxiliary tests match system and method - Google Patents
A kind of hearing aid auxiliary tests match system and method Download PDFInfo
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- CN107948898A CN107948898A CN201710957231.5A CN201710957231A CN107948898A CN 107948898 A CN107948898 A CN 107948898A CN 201710957231 A CN201710957231 A CN 201710957231A CN 107948898 A CN107948898 A CN 107948898A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
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Abstract
The invention discloses a kind of hearing aid auxiliary to test match system, the system comprises：Reverb module, for exporting the impulse response signal with various acoustics scene characteristics；Noise generation module, for generating various noise signals；Scenario generating module, for obtaining the tone testing signal and noisy test signal of various acoustics scenes；Reproducing signals module, for being reset mixed test signal in listening room；Sound evaluation module, for obtaining hearing effect of the subject under various acoustic surroundings and the parameter needed for corresponding hearing aid；Auxiliary is tested with module, the parameter optimal for obtaining subject wears' hearing aid effect, and is write in hearing aid.The present invention can improve hearing aid actual use applicability and validity, avoid hearing aid from improving hearing effect of the hearing aid wearer in actual acoustic surrounding in the caused trouble that is misfitted with environment and practical service environment tested of sound insulation screened room.
Description
Technical field
The present invention relates to one kind auxiliary to test match system, and especially a kind of hearing aid auxiliary tests match system and method, belongs to and helps
Device is listened to test with field.
Background technology
Hearing aid, which is to aid in deafness patient, improves a kind of effective tool of hearing, is needed when with hearing aid to deafness patient
Tested, so as to allot the suitable hearing aid of deafness patient, at present, generally apply to the deafness patient audiometry of each medical institutions
Method is soundproof room real ear audiometric method, that is, allows patient to be in soundproof room, pass through the hearing worn earphone Yu be placed on outside soundproof room
Meter is connected with each other and transmission audio signal, and dispenser adjusts loudness under fixed frequency, and patient's button when hearing sound is illustrated,
Each frequency is repeated in, and is completed threshold audiogram and is drawn；Then dispenser carries out hearing aid fitting and tune according to the audiogram of patient
Examination.But there is obvious deficiency in this method：Occurring source is not reaching to spatialization；Test environment does not meet application request, every
The basic noiseless in tone chamber, inspection result cause final test result not often and there are the daily life deviation of noise is very big
It is enough accurate, make the hearing aid allotted not ideal enough.
The content of the invention
The defects of the purpose of the invention is to overcome the above-mentioned prior art, there is provided a kind of hearing aid auxiliary tests disposition
System, the system can improve hearing aid actual use applicability and validity, avoid usual mute hearing test environment and hearing aid
Device wears the caused trouble that use environment misfits, and improves hearing aid wearer and listens audio in actual acoustic surrounding
Fruit.
Another object of the present invention is to provide a kind of hearing aid auxiliary to test method of completing the square.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of hearing aid auxiliary tests match system, the system comprises：
Reverb module, for exporting the impulse response signal with various acoustics scene characteristics；
Noise generation module, for generating various noise signals；
Scenario generating module, for the impulse response signal of output signal dry with tested speech, noise signal to be rolled up
Product, obtains the tone testing signal and noisy test signal of various acoustics scenes；
Reproducing signals module, for listening room by the tone testing signal of various acoustics scenes and noisy test signal into
Row mixing, and mixed test signal is reset；
Sound evaluation module, for the test signal reset in listening room by subject assessment under various acoustics scenes,
Obtain hearing effect of the subject under various acoustic surroundings and the parameter needed for corresponding hearing aid；
Auxiliary is tested with module, for needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings
Parameter carries out preferably, obtaining the optimal parameter of subject wears' hearing aid effect, and write in hearing aid.
Further, the reverb module, is specially：
For surveying various acoustics scenes, and export the impulse response signal with various acoustics scene characteristics；
Or for simulating various acoustics scenes, and export the impulse response signal with various acoustics scene characteristics.
Further, the various acoustics scenes of simulation use ray acoustics method, wave acoustics method and signal processing
Method, and obtained by simulation calculation.
Further, the mixed test signal, calculation formula are as follows：
si(t)=hi(t)*s0(t)+hni(t)*ni(t)
Wherein, si(t) it is the test signal of i-th of passage, hi(t) it is the impulse response signal of i-th of passage, hni(t)
For the noise transmission impulse response of the acoustics scene of i-th of passage, s0(t) it is the dry signal of tested speech, ni(t) it is i-th of passage
Noise signal.
Further, the sound evaluation module, is specially：
For the test signal reset in listening room by subject assessment under various acoustics scenes, subject is obtained each
The sense of space direction of speech articulation, the naturalness of sound, the comfort level of sound and sound under kind acoustic surrounding, and it is corresponding
Hearing aid needed for each frequency gain and compression ratio.
Further, the auxiliary is tested with module, is specially：
For each frequency gain needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings and
Compression ratio carries out preferably, obtaining each frequency optimum gain and the compression ratio of subject wears' hearing aid, and write in hearing aid.
Another object of the present invention can be reached by adopting the following technical scheme that：
A kind of hearing aid auxiliary tests method of completing the square, the described method includes：
Impulse response signal of the output with various acoustics scene characteristics；
Generate various noise signals；
The impulse response signal of output and the dry signal of tested speech, noise signal are subjected to convolution, obtain various acoustic fields
The tone testing signal and noisy test signal of scape；
The tone testing signal of various acoustics scenes and noisy test signal are mixed, and after listening room will mix
Test signal reset；
In the test signal that listening room is reset by subject assessment under various acoustics scenes, obtain subject and listened various
The parameter needed for hearing effect and corresponding hearing aid under sound environment；
Parameter needed for the corresponding hearing aid of hearing effect of the subject under various acoustic surroundings is carried out preferably, to obtain
The optimal parameter of subject wears' hearing aid effect, and write in hearing aid.
Further, the impulse response signal of the various acoustics scenes of output, is specially：
Various acoustics scenes are surveyed, and export the impulse response signal with various acoustics scene characteristics；
Or the various acoustics scenes of simulation, and export the impulse response signal with various acoustics scene characteristics.
Further, the test signal reset in listening room by subject assessment under various acoustics scenes, obtains
Hearing effect of the subject under various acoustic surroundings and the parameter needed for corresponding hearing aid, are specially：
For the test signal reset in listening room by subject assessment under various acoustics scenes, subject is obtained each
The sense of space direction of speech articulation, the naturalness of sound, the comfort level of sound and sound under kind acoustic surrounding, and it is corresponding
Hearing aid needed for each frequency gain and compression ratio.
Further, the parameter needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings carries out
It is preferred that obtaining the optimal parameter of subject wears' hearing aid effect, and write in hearing aid, be specially：
For each frequency gain needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings and
Compression ratio carries out preferably, obtaining each frequency optimum gain and the compression ratio of subject wears' hearing aid, and write in hearing aid.
The present invention has following beneficial effect relative to the prior art：
Impulse response signal (actual measurement or simulation by way of) and generation noise of the present invention exporting various acoustics scenes
Signal, carries out convolution by the impulse response signal of output and the dry signal of tested speech, noise signal, obtains various acoustics scenes
Tone testing signal and noisy test signal, i.e., test under simulated environment and obtain listening with the true of wear hearing aid environmental correclation
Power, makes hearing test environment and hearing aid fits environment basically identical, is then reset by test signal, by subject assessment's weight
Put test signal under various acoustic surroundings hearing effect (such as the naturalness of speech articulation, sound, the comfort level of sound,
Sense of space direction of sound etc.), and parameter (such as each frequency gain, compression ratio, but be not limited to needed for corresponding hearing aid
These parameters), these parameters are carried out preferably, obtaining the optimal parameter of subject wears' hearing aid effect, (such as each frequency is optimal
Gain and compression ratio etc., but be not limited to these parameters), improve hearing aid actual use applicability and validity, avoid usually every
The caused trouble that the actual environment used with environment and hearing aid fits is misfitted is tested in acoustic shielding room, improves hearing aid fits
Hearing effect of the person in actual acoustic surrounding.
Brief description of the drawings
Fig. 1 is that the hearing aid auxiliary of the embodiment of the present invention 1 tests the structure diagram of test subject in match system.
Fig. 2 is that the hearing aid auxiliary of the embodiment of the present invention 2 tests method of completing the square flow chart.
Embodiment
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment 1：
Present embodiments provide a kind of hearing aid auxiliary and test match system, which includes test subject, loudspeaker, hearing aid
Device, audiometer and the network terminal, the network terminal can be wireless network terminal, it is possibility to have the line network terminal.
As shown in Figure 1, the test subject includes signal processing module 101, reverb module 102, noise generation module
103rd, scenario generating module 104, reproducing signals module 105, sound evaluation module 106 and auxiliary are tested with module 107.
The signal processing module 101, it is the core of whole test subject, it controls the fortune of whole test subject
OK, data of modules etc. can be called and handled, such as call reverb module 102 to produce impulse response signal, call noise
Generation module 103 produces noise signal, calls scenario generating module 104 to generate the test signal of the various scenes of different loudness,
Test signal can be reset with control signal playback module 105, listening for audiometer can also be received by the network terminal
Force data (i.e. subject listen force data), while the evaluation result of subject can also be received by the network terminal, cooperation be listened
Sound evaluation module 106 and auxiliary are tested with module 107, according to the evaluation result under the conditions of different acoustics scenes of subject, are adjusted
Each frequency gain of whole hearing aid, compression ratio etc., but these parameters are not limited to, until subject obtains most preferably hearing effect.
The reverb module 102 can export the impulse response signal with various acoustics scene characteristics, specifically have following
Two ways：
1) reverberation effect in the hall (such as Conference Hall, music hall, church, gymnasium) of different hall scenes is surveyed,
Room impulse response signal is gathered in these halls and then is exported after being preserved with certain format；
2) reverberation effect is simulated, the room of specific reverberation time is produced using Moorer reverberation models and sound field simulation calculation
Impulse response signal, can also survey the impulse response signal of part acoustics scene if necessary, so that test needs to call；Into one
Step ground, can also simulate special reverberation effect, and special reverberation scene is generated according to special requirement, as the low frequency reverberation time reduces
And the lifting of intermediate frequency reverberation time, the scene in the range of a certain special frequency band with particular/special requirements such as reverberation, produce it is this it is special will
Seek the room impulse response signal of scene.
The noise generation module 103 mainly generates the various noises of test, as white noise, pink noise, modulation are made an uproar
Sound, pure tone, bandpass noise (including various octave band noises), language spectral noise, traffic noise, the noisy noise of more people etc..
The impulse response signal that the scenario generating module 104 exports reverb module 102 respectively signal dry with voice and
The noise signal that noise generation module 103 generates carries out convolution, obtains the tested speech letter of the various acoustics scenes with loudness
Number and test noise signal.
The reproducing signals module 105 is placed in listening room, can use surround sound playback module, Ambisonic tri-
Low voice speaking amplification module, wave field composite loudspeaker playback module etc. are tieed up, reproducing signals module 105 passes through the various scenes of speaker playback
Test signal, can adjust test scene signal content and its loudness according to the demand of subject；Wherein, listening room mixes for intermediate frequency
Ring the listening room that the time is less than 0.5s, ambient noise is less than 30dBA.
Reproducing signals module 105 by the tested speech signal of the various acoustics scenes with loudness and test noise signal into
Row mixing, hybrid mode use stacked system, the test signal of the various acoustics scenes of different loudness are obtained after mixing, then will
Mixed test signal is reset.
The test signal of the various acoustics scenes of above-mentioned difference loudness, calculation formula are as follows：
si(t)=hi(t)*s0(t)+hni(t)*ni(t)
Wherein, si(t) it is the test signal of i-th of passage, hi(t) it is the impulse response signal of i-th of passage, hni(t)
For the noise transmission impulse response of the acoustics scene of i-th of passage, s0(t) it is the dry signal of tested speech, ni(t) it is i-th of passage
Noise signal.
The test for the various scenes that subject is handled well by the autonomous selection scenario generating module 104 of client (responding terminal)
After signal, by the test signal of the various scenes of speaker playback, the sound evaluation module 106 is commented in listening room by subject
The test signal that valency is reset under various acoustics scenes, obtaining hearing effect of the subject under various acoustic surroundings, (language is clear
Sense of space direction of clear degree, the naturalness of sound, the comfort level of sound and sound etc.) and corresponding hearing aid needed for parameter
(each frequency gain, compression ratio etc., but be not limited to these parameters), these parameters client preserve and by the network terminal at the same time
It is stored in the control terminal of test subject, i.e. hearing aid is tested with center.
The auxiliary is tested needed for the corresponding hearing aid of hearing effect with module 107 to subject under various acoustic surroundings
Parameter (each frequency gain, compression ratio etc., but be not limited to these parameters) carry out preferred, obtain subject wears' hearing aid effect
Optimal parameter (each frequency optimum gain, frequency range is from 125Hz to 8000Hz), and write in hearing aid, and can be according to need
Write in hearing aid.
Embodiment 2：
As shown in Fig. 2, present embodiments providing a kind of hearing aid auxiliary tests method of completing the square, this method comprises the following steps：
The impulse response signal of S301, output with various acoustics scene characteristics, is specially：Various acoustics scenes are surveyed,
And the impulse response signal with various acoustics scene characteristics is exported, or the various acoustics scenes of simulation, and output has various sound
Learn the impulse response signal of scene characteristic.
S302, the various noise signals of generation.
S303, by the impulse response signal of output and the dry signal of tested speech, noise signal carry out convolution, obtains various sound
The tone testing signal and noisy test signal of scene are learned, is specially：The impulse response signal of output and tested speech are done into letter
Number, noise signal carry out convolution, obtain the tone testing signal and noisy test signal of the various acoustics scenes with reverberation；
S304, in listening room mixed the tested speech signal of various acoustics scenes and test noise signal, and will
Mixed test signal is reset；Wherein, tested speech signal and test noise signal mix specific using folded
Add mode, will the tone testing signal with the various acoustics scenes of reverberation and noisy test signal be overlapped, obtain difference
The test signal of the various acoustics scenes of loudness.
S305, in the test signal reset in listening room by subject assessment under various acoustics scenes, obtain subject
Hearing effect (speech articulation, the naturalness of sound, the space side of the comfort level of sound and sound under various acoustic surroundings
Position sense etc.) and corresponding hearing aid needed for parameter (each frequency gain, compression ratio etc., but be not limited to these parameters).
Parameter (each frequency needed for S306, the corresponding hearing aid of the hearing effect to subject under various acoustic surroundings
Gain, compression ratio etc., but it is not limited to these parameters) carry out preferably, it is (each obtaining the optimal parameter of subject wears' hearing aid effect
Frequency optimum gain, frequency range is from 125Hz to 8000Hz), and write in hearing aid.
Embodiment 3：
The present embodiment is specific application example, and hearing aid auxiliary, which tests match system, to be included：One test subject, is placed in test master
Internal multiple control units, the loudspeaker being connected with test subject, hearing aid, audiometer and the network terminal.The system is led to
That crosses network terminal transmission audiometer listens force data to the control unit of test subject, the initial foundation as hearing aid test.
Force data is listened according to subject, according to the test subject of embodiment 1 and the operating procedure of embodiment 2, generates different loudness
Various scenes multigroup test signal, and played back by the loudspeaker installed in listening room, subject is helped by wearing
Listen device to listen to the test signal of different scenes and judge, hearsay result pair and hearing aid according to subject to different scenes
Test and be modified and compensate with relevant characterisitic parameter (each frequency gain, compression ratio etc., but be not limited to these parameters), obtain one
The optimal hearing of group is tested with data (frequency range is from 125Hz to 8000Hz), and will be listened in force data write-in hearing aid.Whole test
Main body can use DSP hardware or software programming to realize.
In conclusion the present invention export various acoustics scenes impulse response signal (actual measurement or simulation by way of) and
Noise signal is generated, the impulse response signal of output and the dry signal of tested speech, noise signal are subjected to convolution, obtain various sound
The tone testing signal and noisy test signal of scene are learned, i.e., tests and obtains and wear hearing aid environmental correclation under simulated environment
True hearing, make hearing test environment and hearing aid fits environment basically identical, then reset by test signal, by tested
Person, which evaluates, resets hearing effect of the test signal under various acoustic surroundings (such as speech articulation, the naturalness of sound, sound
The sense of space direction etc. of comfort level, sound), and needed for corresponding hearing aid parameter (such as each frequency gain, compression ratio,
But it is not limited to these parameters), these parameters are carried out preferably, to obtain the optimal parameter of subject wears' hearing aid effect (as respectively
Frequency optimum gain and compression ratio etc., but it is not limited to these parameters), hearing aid actual use applicability and validity are improved, is kept away
Exempt from usually sound insulation screened room and test the caused trouble that the actual environment used with environment and hearing aid fits is misfitted, raising helps
Listen hearing effect of the device wearer in actual acoustic surrounding.
The above, is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited to
This, any one skilled in the art is in the scope disclosed in patent of the present invention, the skill of patent according to the present invention
Art scheme and its inventive concept are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (10)
1. a kind of hearing aid auxiliary tests match system, it is characterised in that：The system comprises：
Reverb module, for exporting the impulse response signal with various acoustics scene characteristics；
Noise generation module, for generating various noise signals；
Scenario generating module, for the impulse response signal of output and the dry signal of tested speech, noise signal to be carried out convolution, obtains
To the tone testing signal and noisy test signal of various acoustics scenes；
Reproducing signals module, for being mixed the tone testing signal of various acoustics scenes and noisy test signal in listening room
Close, and mixed test signal is reset；
Sound evaluation module, for the test signal reset in listening room by subject assessment under various acoustics scenes, obtains
Hearing effect of the subject under various acoustic surroundings and the parameter needed for corresponding hearing aid；
Auxiliary is tested with module, for the parameter needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings
Carry out preferably, obtaining the optimal parameter of subject wears' hearing aid effect, and write in hearing aid.
2. a kind of hearing aid auxiliary according to claim 1 tests match system, it is characterised in that：The reverb module, specifically
For：
For surveying various acoustics scenes, and export the impulse response signal with various acoustics scene characteristics；
Or for simulating various acoustics scenes, and export the impulse response signal with various acoustics scene characteristics.
3. a kind of hearing aid auxiliary according to claim 2 tests match system, it is characterised in that：The various acoustic fields of simulation
Scape uses ray acoustics method, wave acoustics method and signal processing method, and is obtained by simulation calculation.
4. a kind of hearing aid auxiliary according to claim 1 tests match system, it is characterised in that：The mixed test letter
Number, calculation formula is as follows：
si(t)=hi(t)*s0(t)+hni(t)*ni(t)
Wherein, si(t) it is the test signal of i-th of passage, hi(t) it is the impulse response signal of i-th of passage, hni(t) it is i-th
The noise transmission impulse response of the acoustics scene of a passage, s0(t) it is the dry signal of tested speech, ni(t) making an uproar for i-th passage
Acoustical signal.
5. a kind of hearing aid auxiliary according to claim 1 tests match system, it is characterised in that：The sound evaluation module,
Specially：
For the test signal reset in listening room by subject assessment under various acoustics scenes, obtain subject and listened various
The sense of space direction of the naturalness of speech articulation, sound, the comfort level of sound and sound under sound environment, and corresponding help
Listen each frequency gain and the compression ratio needed for device.
6. a kind of hearing aid auxiliary according to claim 5 tests match system, it is characterised in that：The auxiliary is tested with module,
Specially：
For each frequency gain needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings and compression
It is more preferred than carrying out, each frequency optimum gain and the compression ratio of subject wears' hearing aid are obtained, and write in hearing aid.
7. a kind of hearing aid auxiliary tests method of completing the square, it is characterised in that：The described method includes：
Impulse response signal of the output with various acoustics scene characteristics；
Generate various noise signals；
The impulse response signal of output and the dry signal of tested speech, noise signal are subjected to convolution, obtain various acoustics scenes
Tone testing signal and noisy test signal；
The tone testing signal of various acoustics scenes and noisy test signal are mixed, and in listening room by mixed survey
Trial signal is reset；
In the test signal that listening room is reset by subject assessment under various acoustics scenes, subject is obtained in various audition rings
The parameter needed for hearing effect and corresponding hearing aid under border；
Parameter needed for the corresponding hearing aid of hearing effect of the subject under various acoustic surroundings is carried out preferably, to obtain tested
The optimal parameter of person's wear hearing aid effect, and write in hearing aid.
8. a kind of hearing aid auxiliary according to claim 7 tests method of completing the square, it is characterised in that：The various acoustic fields of output
The impulse response signal of scape, is specially：
Various acoustics scenes are surveyed, and export the impulse response signal with various acoustics scene characteristics；
Or the various acoustics scenes of simulation, and export the impulse response signal with various acoustics scene characteristics.
9. a kind of hearing aid auxiliary according to claim 7 tests method of completing the square, it is characterised in that：It is described in listening room by tested
The test signal reset under various acoustics scenes of person's evaluation, obtain hearing effect of the subject under various acoustic surroundings and
Parameter needed for corresponding hearing aid, is specially：
For the test signal reset in listening room by subject assessment under various acoustics scenes, obtain subject and listened various
The sense of space direction of the naturalness of speech articulation, sound, the comfort level of sound and sound under sound environment, and corresponding help
Listen each frequency gain and the compression ratio needed for device.
10. a kind of hearing aid auxiliary according to claim 9 tests method of completing the square, it is characterised in that：Subject is listened various
Parameter needed for the corresponding hearing aid of hearing effect under sound environment carries out preferably, it is optimal obtaining subject wears' hearing aid effect
Parameter, and write in hearing aid, be specially：
For each frequency gain needed for the corresponding hearing aid of hearing effect to subject under various acoustic surroundings and compression
It is more preferred than carrying out, each frequency optimum gain and the compression ratio of subject wears' hearing aid are obtained, and write in hearing aid.
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| CN108810780A (en) * | 2018-06-11 | 2018-11-13 | 厦门新声科技有限公司 | The method and device of binaural hearing aid balance adjustment |
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| CN111314836A (en) * | 2020-01-20 | 2020-06-19 | 厦门新声科技有限公司 | Hearing aid verification method, terminal device and storage medium |
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| CN111314836A (en) * | 2020-01-20 | 2020-06-19 | 厦门新声科技有限公司 | Hearing aid verification method, terminal device and storage medium |
| CN114205724A (en) * | 2021-12-09 | 2022-03-18 | 科大讯飞股份有限公司 | Debugging method, device and equipment of hearing aid earphone |
| CN114205724B (en) * | 2021-12-09 | 2024-02-13 | 科大讯飞股份有限公司 | Hearing aid earphone debugging method, device and equipment |
| WO2024026817A1 (en) * | 2022-08-05 | 2024-02-08 | 深圳市韶音科技有限公司 | Assessment method and system for auditory threshold with assistance of bone conduction hearing aid |
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