CN106375926A - Testing method and system of lateral sound producing loudspeaker box - Google Patents
Testing method and system of lateral sound producing loudspeaker box Download PDFInfo
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- CN106375926A CN106375926A CN201611120841.1A CN201611120841A CN106375926A CN 106375926 A CN106375926 A CN 106375926A CN 201611120841 A CN201611120841 A CN 201611120841A CN 106375926 A CN106375926 A CN 106375926A
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 238000002513 implantation Methods 0.000 claims description 9
- 239000007943 implant Substances 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims 5
- 230000037237 body shape Effects 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 3
- 238000012827 research and development Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 5
- 238000012356 Product development Methods 0.000 description 4
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
Abstract
The invention discloses a testing method and system of a lateral sound producing loudspeaker box. The method comprises the steps that a loudspeaker box simulation model is built according to the parameter requirement of a customer; a back cavity parameter, a front cavity parameter and a lateral sound producing hole parameter of the loudspeaker box simulation model are acquired, the back cavity parameter comprises the volume and shape of a back cavity, the front cavity parameter comprises the volume and shape of a front cavity, and the side sound producing hole parameter comprises the shape and length of a lateral sound producing hole; the loudspeaker box to be tested is obtained according to the back cavity parameter, the front cavity parameter and the sound producing hole parameter; one parameter of the loudspeaker box to be tested is adjusted, and meanwhile the loudspeaker box simulation model is correspondingly adjusted; the adjusted loudspeaker box to be tested is tested, and a first data set is obtained; the adjusted loudspeaker box simulation model is tested, and a second data set is obtained; the relativity of the first data set and the second data set is acquired. A lot of unnecessary risks can be avoided in the project design preliminary stage according to the relativity, the development cost can be reduced, and development efficiency can be improved.
Description
Technical field
The present invention relates to acoustical testing technical field, speak the method for testing of audio amplifier and its system in more particularly, to a kind of side.
Background technology
What audio amplifier test at present was commonly used is that speaker products are directly tested, but loses time and material, and early investment becomes
This height and effect is less desirable.Development with speaker and the needs in market, we have to low-cost high-quality
High efficiency, to meet customer need, thus improves the acoustic testing method of innovation monomer in the urgent need to us.
Content of the invention
The technical problem to be solved is: proposes a kind of side and speaks the method for testing of audio amplifier and its system, can fill
Divide and understand product running parameter under various conditions, be easy to subsequent product exploitation.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: speaks the method for testing of audio amplifier in a kind of side,
Including:
According to the parameter request of client, set up audio amplifier phantom；
The back of the body chamber parameter, ante-chamber parameter and the side that obtain described audio amplifier phantom go out acoustic aperture parameter, described back of the body chamber parameter bag
Include the back of the body volume in chamber and shape, described ante-chamber parameter includes volume and the shape of ante-chamber, described side goes out acoustic aperture parameter and include side
The shape of acoustic aperture and length；
According to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, make and obtain audio amplifier to be tested；
The parameter described in one of described loudspeaker box to be measured is adjusted, accordingly adjusts described audio amplifier phantom simultaneously；
Loudspeaker box to be measured after adjustment is tested, obtains the first data set；
Audio amplifier phantom after adjustment is tested, obtains the second data set；
Obtain the dependency of described first data set and the second data set.
The test system of audio amplifier the invention still further relates to speaking in a kind of side, comprising:
Set up module, for the parameter request according to client, set up audio amplifier phantom；
First acquisition module, back of the body chamber parameter, ante-chamber parameter and the side for obtaining described audio amplifier phantom goes out acoustic aperture ginseng
Number, described back of the body chamber parameter includes volume and the shape carrying on the back chamber, and described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out
Acoustic aperture parameter includes shape and the length that side goes out acoustic aperture；
Make module, for according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, making and obtaining sound to be tested
Case；
Adjusting module, for being adjusted to the parameter described in of described loudspeaker box to be measured, accordingly adjusts described sound simultaneously
Case phantom；
First test module, for testing to the loudspeaker box to be measured after adjustment, obtains the first data set；
Second test module, for testing to the audio amplifier phantom after adjustment, obtains the second data set；
Second acquisition module, for obtaining the dependency of described first data set and the second data set.
The beneficial effects of the present invention is: for audio amplifier is spoken in side, the impact to its parameters,acoustic for the ante-chamber is larger, because
This passes through to treat test audio amplifier simultaneously and back of the body chamber, ante-chamber or the side of audio amplifier phantom go out acoustic aperture and be adjusted, test, and to it
Test result is analyzed, and finds out its dependency, can be reflected under the conditions of a certain according to its dependency, adjust a certain parameter,
Which kind of occurs as a result, it is possible to evade falling much unnecessary risk, such as the volume shape of speaker products at the Project design initial stage
Shape determines, and client proposes the requirement of some acoustical behavior parameters, you can according to dependency, rapidly informs the actual energy of client
The performance parameter reaching, improves customer experience, and can reduce R＆D costs, improves efficiency of research and development；Product can be fully understood by simultaneously
Running parameter under various conditions, is easy to and client's kinds of schemes and follow-up product development；And research and development emulation mould can be set up
Type storehouse, is easy to acoustics Scheme Choice.
Brief description
Fig. 1 is the method flow diagram of the embodiment of the present invention one；
Fig. 2 is the test result schematic diagram one of phantom；
Fig. 3 is the test result schematic diagram two of phantom；
Fig. 4 is the test result schematic diagram one of test fixture；
Fig. 5 is the test result schematic diagram two of test fixture；
Fig. 6 is the test result schematic diagram three of phantom；
Fig. 7 is the test result comparison diagram of phantom and test fixture；
Fig. 8 is a kind of structural representation of the test system of audio amplifier of just speaking of the present invention；
Fig. 9 is the system structure diagram of the embodiment of the present invention three.
Label declaration:
1st, set up module；2nd, the first acquisition module；3rd, make module；4th, adjusting module；5th, the first test module；6th, second
Test module；7th, the second acquisition module；8th, performing module；
31st, the first implantation unit；32nd, the second implantation unit；33rd, open up unit.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained in detail.
The design of most critical of the present invention is: treats back of the body chamber, ante-chamber or the side of test audio amplifier and audio amplifier phantom simultaneously
Go out acoustic aperture to be adjusted, test, analysis obtains the dependency of test result.
Refer to Fig. 1, speak the method for testing of audio amplifier in a kind of side, comprising:
According to the parameter request of client, set up audio amplifier phantom；
The back of the body chamber parameter, ante-chamber parameter and the side that obtain described audio amplifier phantom go out acoustic aperture parameter, described back of the body chamber parameter bag
Include the back of the body volume in chamber and shape, described ante-chamber parameter includes volume and the shape of ante-chamber, described side goes out acoustic aperture parameter and include side
The shape of acoustic aperture and length；
According to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, make and obtain audio amplifier to be tested；
The parameter described in one of described loudspeaker box to be measured is adjusted, accordingly adjusts described audio amplifier phantom simultaneously；
Loudspeaker box to be measured after adjustment is tested, obtains the first data set；
Audio amplifier phantom after adjustment is tested, obtains the second data set；
Obtain the dependency of described first data set and the second data set.
Knowable to foregoing description, the beneficial effects of the present invention is: R＆D costs can be reduced, improve efficiency of research and development；Simultaneously
Product running parameter under various conditions can be fully understood by, be easy to and client's kinds of schemes and follow-up product development；And can
Set up research and development simulation model library, be easy to acoustics Scheme Choice.
Further, described " according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, make and obtain sound to be tested
Case " particularly as follows:
Volume according to back of the body chamber and shape, implant corresponding adjustment block in the back of the body intracavity of loudspeaker box to be measured；
Volume according to ante-chamber and property turn, and are implanted into corresponding adjustment block in the ante-chamber of described loudspeaker box to be measured；
Go out shape and the length of acoustic aperture according to side, in the predeterminable area of described loudspeaker box to be measured, open up corresponding through hole.
Seen from the above description, phantom is set up according to customer demand, loudspeaker box to be measured is made according to phantom, is
The making of actual product provides direction, can just obtain the product of preferable performance at the making initial stage, reduce R＆D costs further,
Improve efficiency of research and development.
Further, described " parameter described in of described loudspeaker box to be measured be adjusted, accordingly adjust described sound simultaneously
Case phantom " particularly as follows:
Spoken in the volume in the back of the body chamber of described loudspeaker box to be measured, the shape in back of the body chamber, the volume of ante-chamber, the shape of ante-chamber, side
What the shape in hole and side went out in the length of acoustic aperture is adjusted for one or more, accordingly adjusts described audio amplifier phantom simultaneously.
Seen from the above description, by adjusting a certain item parameter or multiple parameters, test result is made to try one's best close to client's
Parameter request.
Further, described " to adjustment after loudspeaker box to be measured test, obtain the first data set；After adjustment
Audio amplifier phantom is tested, and obtains the second data set " particularly as follows:
Test fixture after adjustment is repeatedly tested, is obtained multigroup first data set；
Phantom after adjustment is repeatedly tested, is obtained multigroup second data set.
Seen from the above description, multi-group data group is analyzed, to improve the accuracy of dependency.
Further, after described " obtaining the dependency of described first data set and the second data set ", further include:
According to described dependency, continue executing with the described parameter described in described loudspeaker box to be measured and be adjusted, simultaneously
The step accordingly adjusting described audio amplifier phantom.
Seen from the above description, the result that can be obtained according to actual test and the difference of the parameter request of client, treat
Test audio amplifier is adjusted so as to reach or as far as possible close to the parameter request of client.
Refer to Fig. 8, the present invention also proposes a kind of side and speaks the test system of audio amplifier, comprising:
Set up module, for the parameter request according to client, set up audio amplifier phantom；
First acquisition module, back of the body chamber parameter, ante-chamber parameter and the side for obtaining described audio amplifier phantom goes out acoustic aperture ginseng
Number, described back of the body chamber parameter includes volume and the shape carrying on the back chamber, and described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out
Acoustic aperture parameter includes shape and the length that side goes out acoustic aperture；
Make module, for according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, making and obtaining sound to be tested
Case；
Adjusting module, for being adjusted to the parameter described in of described loudspeaker box to be measured, accordingly adjusts described sound simultaneously
Case phantom；
First test module, for testing to the loudspeaker box to be measured after adjustment, obtains the first data set；
Second test module, for testing to the audio amplifier phantom after adjustment, obtains the second data set；
Second acquisition module, for obtaining the dependency of described first data set and the second data set.
Further, described making module includes:
First implantation unit, for the volume according to back of the body chamber and shape, implants corresponding in the back of the body intracavity of loudspeaker box to be measured
Adjustment block；
Second implantation unit, turns for the volume according to ante-chamber and property, is implanted into phase in the ante-chamber of described loudspeaker box to be measured
The adjustment block answered；
Open up unit, for going out shape and the length of acoustic aperture according to side, open in the predeterminable area of described loudspeaker box to be measured
If corresponding through hole.
Further, described adjusting module specifically for described loudspeaker box to be measured the back of the body chamber volume, the back of the body chamber shape,
The volume of ante-chamber, the shape of ante-chamber, side go out the shape of acoustic aperture and side goes out in the length of acoustic aperture is adjusted for one or more, with
Shi Xiangying adjusts described audio amplifier phantom.
Further, described first test module, specifically for repeatedly being tested to the test fixture after adjustment, obtains
Multigroup first data set；Described second test module, specifically for repeatedly being tested to the phantom after adjustment, obtains many
Organize the second data set.
Further, also include:
Performing module, for according to described dependency, continuing executing with the described parameter described in described loudspeaker box to be measured
It is adjusted, the step simultaneously accordingly adjusting described audio amplifier phantom.
Embodiment one
Refer to Fig. 1, embodiments of the invention one are: speaking the method for testing of audio amplifier in a kind of side, comprises the steps:
S1: according to the parameter request of client, set up audio amplifier phantom；Further, produced according to the audio amplifier that client provides
The overall dimensions of product and functional requirement, such as parameters,acoustic require, Simulation Engineering Shi Jinhang simulation calculating, set up audio amplifier emulation mould
Type, but because emulation data is with truthful data can there is some difference, therefore, sets up phantom and be to provide for actual product
Fabrication direction.
S2: the back of the body chamber parameter, ante-chamber parameter and the side that obtain described audio amplifier phantom go out acoustic aperture parameter, described back of the body chamber parameter
Volume including back of the body chamber and shape, described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out acoustic aperture parameter and includes side
Go out shape and the length of acoustic aperture.Wherein, cavity geometry and side go out the shape of acoustic aperture, length can set according to the terminal that client provides
Standby inside audio amplifier shape is primarily determined that.
The cavity of audio amplifier is generally divided into ante-chamber and back cavity, and frequency acoustic parameter is mainly responsible for (as f0, spl, rb, thd in back of the body chamber
Deng), ante-chamber is mainly responsible for adjustment high-frequency acoustic parameter；Side speak audio amplifier ante-chamber passage narrow, flat it is easy to high frequency occurs
The second formant, many times audio engineer can be with building preferable acoustic efficiency in its distinctive property.
S3: according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, make and obtain audio amplifier to be tested；Further,
Volume according to back of the body chamber and shape, implant corresponding adjustment block in the back of the body intracavity of loudspeaker box to be measured；Volume according to ante-chamber and property
Turn, be implanted into corresponding adjustment block in the ante-chamber of described loudspeaker box to be measured；Go out shape and the length of acoustic aperture according to side, treat described
Corresponding through hole is opened up in the predeterminable area of test audio amplifier.Described adjustment block can be acoustical cotton and plasticine, and acoustical cotton is permissible
Reduce reflection in cavity for the sound wave, it is possible to decrease thd (harmonic distortion), plasticine can be used for adjusting cavity geometry.
S4: the parameter described in of described loudspeaker box to be measured is adjusted, accordingly adjusts described audio amplifier phantom simultaneously.
Further, spoken in the volume in the back of the body chamber of described loudspeaker box to be measured, the shape in back of the body chamber, the volume of ante-chamber, the shape of ante-chamber, side
What the shape in hole and side went out in the length of acoustic aperture is adjusted for one or more, accordingly adjusts described audio amplifier phantom simultaneously.
Back of the body chamber, the volume of ante-chamber or shape can be adjusted by adjusting the location and shape of acoustical cotton and plasticine.Spoken in side
For audio amplifier, main adjustment ante-chamber shape, some adjustment also can be accordingly done in back of the body chamber.
S5: the loudspeaker box to be measured after adjustment is tested, obtains the first data set.
S6: the audio amplifier phantom after adjustment is tested, obtains the second data set.
S7: obtain the dependency of described first data set and the second data set.Further, according to described dependency, continue
Continuous execution step s4-s7, the result that can be obtained according to actual test and the difference of customer demand, treat test audio amplifier and are adjusted
Whole so as to reach or as far as possible close to the parameter request of client, mould can also be emulated by constantly treating test audio amplifier and audio amplifier
The parameter of type is adjusted, obtain various under the conditions of parameters,acoustic, when client proposes f0 (resonant frequency), sensitivity, thd
Parameter requests such as (harmonic distortions), wherein a certain or multiple parameters are not accomplished with present technology, but the limit can accomplish many
Less it is possible to quickly providing reaction and corresponding data explanation being taken out, improve customer experience, contribute to obtaining customer trust.
Preferably, respectively the loudspeaker box to be measured after adjustment and audio amplifier phantom are repeatedly tested, obtained multigroup the
One data set and multigroup second data set, are analyzed to multi-group data group, to improve the accuracy of dependency.
The present embodiment passes through to obtain the dependency of actual test result and the simulation results, subsequently can be obtained according to dependency
Know under the conditions of a certain, adjust a certain parameter it may appear which kind of as a result, it is possible to evade falling at the Project design initial stage much unnecessary
Risk, reduce R＆D costs, improve efficiency of research and development；Product running parameter under various conditions can be fully understood by, just simultaneously
In with client's kinds of schemes and follow-up product development；And research and development simulation model library can be set up, it is easy to acoustics Scheme Choice.
Embodiment two
The present embodiment is a concrete application scene of above-described embodiment.
Assume that the requirement to thd for the client is:
Test signal: scanning 100hz～20khz, 1/12 frequency multiplication, the sine wave computational methods between rated power: iec marks
Standard, 2～5 subharmonic distortions.
The inside back of the body chamber parameter given fully according to client and ante-chamber parameter to carry out emulating for the first time, test result such as Fig. 2
Shown, wherein, solid line is the customer requirement upper limit it can be seen that product thd major part after 450hz exceedes in customer requirement
Limit, occur this it may be the case that because the internal monomer type selecting of audio amplifier is not right, or the ante-chamber shape of product and volume are not adjusted
Whole, after checking exclusion former is possible, adjusts cavity size shape and increase sound absorption cotton (absorption noise)；For example in this reality
Applying in example, it is desirable to reduce number of cavities, increasing channel cross-sectional area to reduce reflection thus lowering acoustic resistance, the phantom after adjustment
Test result as shown in Figure 3 it can be seen that thd is no more than the customer requirement upper limit.Then according to simulation model design test
Frock, i.e. loudspeaker box to be measured, the test result of test fixture is as shown in Figure 4；Fig. 3 and Fig. 4 is it can be seen that simulation result for contrast
Essentially identical with the integrated curved trend of actual result, only exist certain difference, during subsequent simulation, follow this difference.Meanwhile, from
Fig. 4 can be seen that, during actual test, low frequency and high frequency are less than the customer requirement upper limit, and intermediate frequency exceedes the customer requirement upper limit, therefore to survey
The following adjustment of row is put in trial work: 1, increases acoustical cotton；2nd, increase ante-chamber passage；3rd, adjustment back of the body cavity volume distribution；Survey after adjustment
The test result of trial work dress is as shown in Figure 5.Emulation is re-started according to the test fixture after adjustment, obtains survey as shown in Figure 6
Test result.Find Fig. 5 and Fig. 6, that is, the difference between actual test result and the simulation results, observes for convenience, by Fig. 5
Merge with Fig. 6, obtain Fig. 7, the curve according to Fig. 7, ask difference to find its dependency.
Embodiment three
Refer to Fig. 9, the present embodiment is to speak the test system of audio amplifier in a kind of side of corresponding above-described embodiment, comprising:
Set up module 1, for the parameter request according to client, set up audio amplifier phantom；
First acquisition module 2, back of the body chamber parameter, ante-chamber parameter and the side for obtaining described audio amplifier phantom goes out acoustic aperture ginseng
Number, described back of the body chamber parameter includes volume and the shape carrying on the back chamber, and described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out
Acoustic aperture parameter includes shape and the length that side goes out acoustic aperture；
Make module 3, for according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, making and obtaining sound to be tested
Case；
Adjusting module 4, for being adjusted to the parameter described in of described loudspeaker box to be measured, accordingly adjusts described sound simultaneously
Case phantom；
First test module 5, for testing to the loudspeaker box to be measured after adjustment, obtains the first data set；
Second test module 6, for testing to the audio amplifier phantom after adjustment, obtains the second data set；
Second acquisition module 7, for obtaining the dependency of described first data set and the second data set.
Further, described making module includes:
First implantation unit 31, for the volume according to back of the body chamber and shape, implants corresponding in the back of the body intracavity of loudspeaker box to be measured
Adjustment block；
Second implantation unit 32, turns for the volume according to ante-chamber and property, is implanted in the ante-chamber of described loudspeaker box to be measured
Corresponding adjustment block；
Open up unit 33, for going out shape and the length of acoustic aperture according to side, in the predeterminable area of described loudspeaker box to be measured
Open up corresponding through hole.
Further, described adjusting module 4 is specifically for carrying on the back the volume in chamber, carrying on the back the shape in chamber to described loudspeaker box to be measured
Shape, the volume of ante-chamber, the shape of ante-chamber, side go out the shape of acoustic aperture and side goes out in the length of acoustic aperture is adjusted for one or more
Whole, accordingly adjust described audio amplifier phantom simultaneously.
Further, described first test module 5, specifically for repeatedly being tested to the test fixture after adjustment, obtains
Multigroup first data set；Described second test module 6, specifically for repeatedly being tested to the phantom after adjustment, obtains many
Organize the second data set.
Further, also include:
Performing module 8, for according to described dependency, continuing executing with the described parameter described in described loudspeaker box to be measured
It is adjusted, the step simultaneously accordingly adjusting described audio amplifier phantom.
In sum, speak the method for testing of audio amplifier and its system in a kind of side that the present invention provides, by simultaneously to be measured
Loudspeaker box and audio amplifier phantom are adjusted, test, and its test result is analyzed, and find out its dependency, according to it
Dependency can reflect under the conditions of a certain, adjusts a certain parameter it may appear which kind of is as a result, it is possible to evade at the Project design initial stage
Fall much unnecessary risk, the volume profiles of such as speaker products determine, and client proposes some acoustical behavior parameters
Require, you can according to dependency, rapidly inform the actual performance parameter that can reach of client, improve customer experience, and can reduce
R＆D costs, improve efficiency of research and development；Product running parameter under various conditions can be fully understood by simultaneously, be easy to multiple with client
Scheme and follow-up product development；And research and development simulation model library can be set up, it is easy to acoustics Scheme Choice.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner
In the scope of patent protection of the present invention.
Claims (10)
1. a kind of side speak audio amplifier method of testing it is characterised in that include:
According to the parameter request of client, set up audio amplifier phantom；
The back of the body chamber parameter, ante-chamber parameter and the side that obtain described audio amplifier phantom go out acoustic aperture parameter, and described back of the body chamber parameter includes carrying on the back
The volume in chamber and shape, described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out acoustic aperture parameter and include side to go out acoustic aperture
Shape and length；
According to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, make and obtain audio amplifier to be tested；
The parameter described in one of described loudspeaker box to be measured is adjusted, accordingly adjusts described audio amplifier phantom simultaneously；
Loudspeaker box to be measured after adjustment is tested, obtains the first data set；
Audio amplifier phantom after adjustment is tested, obtains the second data set；
Obtain the dependency of described first data set and the second data set.
2. the speak method of testing of audio amplifier of side according to claim 1 " is joined according to described back of the body chamber it is characterised in that described
Number, ante-chamber parameter and go out acoustic aperture parameter, make and obtain audio amplifier to be tested " particularly as follows:
Volume according to back of the body chamber and shape, implant corresponding adjustment block in the back of the body intracavity of loudspeaker box to be measured；
Volume according to ante-chamber and property turn, and are implanted into corresponding adjustment block in the ante-chamber of described loudspeaker box to be measured；
Go out shape and the length of acoustic aperture according to side, in the predeterminable area of described loudspeaker box to be measured, open up corresponding through hole.
3. side according to claim 1 speak audio amplifier method of testing it is characterised in that described " to described audition to be measured
Parameter described in the one of case is adjusted, and accordingly adjusts described audio amplifier phantom simultaneously " particularly as follows:
Acoustic aperture is gone out to the volume in the back of the body chamber of described loudspeaker box to be measured, the shape in back of the body chamber, the volume of ante-chamber, the shape of ante-chamber, side
What shape and side went out in the length of acoustic aperture is adjusted for one or more, accordingly adjusts described audio amplifier phantom simultaneously.
4. side according to claim 1 speak audio amplifier method of testing it is characterised in that described " to be measured after adjustment
Loudspeaker box is tested, and obtains the first data set；Audio amplifier phantom after adjustment is tested, obtains the second data set "
Particularly as follows:
Test fixture after adjustment is repeatedly tested, is obtained multigroup first data set；
Phantom after adjustment is repeatedly tested, is obtained multigroup second data set.
5. the speak method of testing of audio amplifier of side according to claim 1 " obtains described first number it is characterised in that described
After dependency according to group and the second data set ", further include:
According to described dependency, continue executing with the described parameter described in described loudspeaker box to be measured and be adjusted, accordingly simultaneously
The step adjusting described audio amplifier phantom.
6. a kind of side speak audio amplifier test system it is characterised in that include:
Set up module, for the parameter request according to client, set up audio amplifier phantom；
First acquisition module, back of the body chamber parameter, ante-chamber parameter and side for obtaining described audio amplifier phantom go out acoustic aperture parameter, institute
State volume and the shape that back of the body chamber parameter includes carrying on the back chamber, described ante-chamber parameter includes volume and the shape of ante-chamber, and described side goes out acoustic aperture
Parameter includes shape and the length that side goes out acoustic aperture；
Make module, for according to described back of the body chamber parameter, ante-chamber parameter with go out acoustic aperture parameter, making and obtaining audio amplifier to be tested；
Adjusting module, for being adjusted to the parameter described in of described loudspeaker box to be measured, accordingly adjusts described audio amplifier simultaneously and imitates
True mode；
First test module, for testing to the loudspeaker box to be measured after adjustment, obtains the first data set；
Second test module, for testing to the audio amplifier phantom after adjustment, obtains the second data set；
Second acquisition module, for obtaining the dependency of described first data set and the second data set.
7. side according to claim 6 speak audio amplifier test system it is characterised in that described making module includes:
First implantation unit, for the volume according to back of the body chamber and shape, in the corresponding adjustment of back of the body intracavity implantation of loudspeaker box to be measured
Block；
Second implantation unit, turns for the volume according to ante-chamber and property, is implanted into accordingly in the ante-chamber of described loudspeaker box to be measured
Adjustment block；
Open up unit, for going out shape and the length of acoustic aperture according to side, it is right to open up in the predeterminable area of described loudspeaker box to be measured
The through hole answered.
8. side according to claim 6 speak audio amplifier test system it is characterised in that described adjusting module specifically for
The volume in the back of the body chamber of described loudspeaker box to be measured, the back of the body shape in chamber, the volume of ante-chamber, the shape of ante-chamber, side are gone out with the shape of acoustic aperture
It is adjusted for one or more gone out with side in the length of acoustic aperture, accordingly adjust described audio amplifier phantom simultaneously.
9. side according to claim 6 speak audio amplifier test system it is characterised in that described first test module is concrete
For repeatedly being tested to the test fixture after adjustment, obtain multigroup first data set；Described second test module is specifically used
In repeatedly being tested to the phantom after adjustment, obtain multigroup second data set.
10. side according to claim 6 speak audio amplifier test system it is characterised in that also including:
Performing module, is carried out for according to described dependency, continuing executing with the described parameter described in described loudspeaker box to be measured
Adjustment, the step simultaneously accordingly adjusting described audio amplifier phantom.
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| CN201611120841.1A CN106375926B (en) | 2016-12-08 | 2016-12-08 | Side is spoken the test method and its system of speaker |
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| CN201611120841.1A CN106375926B (en) | 2016-12-08 | 2016-12-08 | Side is spoken the test method and its system of speaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071682A (en) * | 2017-05-25 | 2017-08-18 | 深圳市泰衡诺科技有限公司 | Loudspeaker test device |
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| US20140341419A1 (en) * | 2012-01-09 | 2014-11-20 | Actiwave Ab | Integrated loudspeaker assemblies |
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| CN2254258Y (en) * | 1995-03-23 | 1997-05-14 | 广州市荔湾区领先音响实业公司 | Audio amplifier |
| CN1416298A (en) * | 2002-11-06 | 2003-05-07 | 巨镊（广州）电子科技有限公司 | Acoustic system capable of describing and modifying parameters of loudspeaker |
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| CN106375926B (en) | 2019-04-02 |
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