CN103313180A - Sound quality detection device - Google Patents
Sound quality detection device Download PDFInfo
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- CN103313180A CN103313180A CN2012100560945A CN201210056094A CN103313180A CN 103313180 A CN103313180 A CN 103313180A CN 2012100560945 A CN2012100560945 A CN 2012100560945A CN 201210056094 A CN201210056094 A CN 201210056094A CN 103313180 A CN103313180 A CN 103313180A
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- load bearing
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Abstract
A sound quality detection device is used for detecting a communication product provided with a sounding unit and a radio unit. The detection device comprises a bearing unit, a first detection module and a second detection module, wherein the bearing unit is used for bearing the communication product, the first detection module is used for producing a sound signal to the radio unit, and the second detection module is used for receiving a sounding signal generated by the sounding unit. Therefore, the invention can provide a low/no-noise-signal standard simulation detection environment to carry out accurate and stable detection on sound quality factors such as sound volume, frequency response, harmonic distortion and the like.
Description
Technical field
The present invention is about a kind of sound quality checkout gear, the device that particularly sound quality of communication product with loud speaker and microphone is detected.
Background technology
Existing communication product (portable electric device, the networking telephone or public switch type telephone network (Public switched telephone network for example, PSTN) phone etc.) after the manufacturing side is finished production, then radio reception/the vocal function of this communication product detected.
Generally speaking, it can install sound guide tube additional at this communication product.Wherein, one end of this sound guide tube is arranged on the position of loud speaker in this communication product in the mode of contact, and also be the position that is installed in equally microphone in this communication product in the mode of contact again with the other end of this sound guide tube, so that the sound that this loud speaker produces can conduct to this microphone by this sound guide tube, detect loop (testing loop) in order to form one, to reach the purpose of the radio reception/vocal function of this communication product being carried out quality testing.
Yet aforesaid detection mode only can only confirm whether the function of this microphone and this loud speaker can act on, and can't further carry out the detection of sound qualities such as wave volume, frequency response and harmonic distortion to this microphone and this loud speaker.In other words, traditional detection mode only can be carried out rough formula ground to this communication product and be detected, and can't carry out effectively keyholed back plate to the quality of radio reception/sounding.
Moreover aforementioned detection mode is when detecting each communication product, and it might be because of the difference of this sound guide tube decorating position, and produces the error that detects, and then impact detects the stability of quality.In addition, for allowing the error that detects diminish, then need to proofread and correct this sound guide tube with the comparatively tediously long time, to obtain comparatively accurately testing result.
So the invention provides a kind of checkout gear, it can be in order to solving aforesaid shortcoming, and reach fast detecting and promote the effect that detects stability.
Summary of the invention
A purpose of the present invention is to provide a kind of sound quality checkout gear, is used for the sound quality of communication product is detected.
Another object of the present invention is to the sound quality checkout gear that provides above-mentioned, be used for the loud speaker of communication product or microphone are carried out exactly and stably test.
For reaching above-mentioned purpose, the invention provides a kind of sound quality checkout gear, it is for detection of the communication product with phonation unit and radio reception unit, and it comprises load bearing unit, first detection module and the second detection module.Wherein, this load bearing unit is used for this communication product of carrying; This first detection module has source of sound unit and the first adjustment unit, this first detection module is arranged at this load bearing unit, and this first adjustment unit is adjusted this source of sound unit according to set position, this radio reception unit of this communication product, and this source of sound unit is in order to produce voice signal again; And this second detection module has receiving element and the second adjustment unit, this second detection module is arranged at this load bearing unit, and this second adjustment unit is adjusted this receiving element, the audible signal that this receiving element produces in order to receive this phonation unit according to this phonation unit position of this communication product.
Compare with prior art, sound quality checkout gear of the present invention produces voice signal by first detection module and is sent to the radio reception unit (for example microphone (microphone)) of communication product, in order to after received this voice signal in this radio reception unit, judge that this radio reception unit receives the sound quality relevant with this voice signal (wave volume for example, frequency response and harmonic distortion etc.), and receive the audible signal that the phonation unit (for example loud speaker (loudspeaker)) by this communication product produces by the second detection module again, after receiving this audible signal at this second detection module, judge that this phonation unit produces the sound quality of this voice signal.Therefore the present invention by at least two detection modules, operates the environment of this communication product in order to the emulation user, and can be accurately and the relevant sound quality that obtains rapidly with this communication product by this first detection module and this second detection module.
Description of drawings:
Fig. 1 is the structural representation of the sound quality checkout gear of first embodiment of the invention.
Fig. 2 is the structural representation of communication product in the key diagram 1.
Fig. 3 be in the key diagram 1 this sound quality checkout gear and this communication product in conjunction with schematic diagram.
Fig. 4 is the structural representation of the sound quality checkout gear of second embodiment of the invention.
Fig. 5 is the structural representation of the sound quality checkout gear of third embodiment of the invention.
Fig. 6 is the correcting structure schematic diagram of the sound quality checkout gear of fourth embodiment of the invention.
Among the figure:
2, communication product;
22, phonation unit;
24, the radio reception unit;
10,10 ', 10 ' ', 10 ' ' ', the sound quality checkout gear;
14, load bearing unit;
142, detect plummer;
144, the test plummer;
16, first detection module;
162, the source of sound unit;
164, the first adjustment units;
1642,1842, sliding part;
1644,1844, fixture;
18, the second detection modules;
182, receiving element;
184, the second adjustment units;
26, the location division;
262, barricade;
264, hole;
28, running rail unit;
30, casing;
302, accommodation space;
32, correcting unit;
A, B, C, D, E, F, direction;
Embodiment:
For fully understanding purpose of the present invention, feature and effect, existing by following specific embodiment, and cooperate appended graphicly, the present invention is described in detail, illustrate as after:
Please refer to Fig. 1, it is the structural representation of the sound quality checkout gear of first embodiment of the invention.In shown in Figure 1, this sound quality checkout gear 10 is for detection of communication product for example shown in Figure 22, and have phonation unit 22 and radio reception unit 24 in this communication product 2, for example this communication product 2 can be for the networking telephone (the Voice over Internet Protocol that carries out heldfree type (hand-free mode) communication, VoIP) or the phone of public switch type telephone network (PSTN), illustrate as an example of the networking telephone example in this this communication product 2.Moreover this phonation unit 22 is that loud speaker (loudspeaker) and this radio reception unit 24 are microphone (microphone).
Get back to Fig. 1, this sound quality checkout gear 10 comprises load bearing unit 14, first detection module 16 and the second detection module 18.Wherein, this load bearing unit 14 in the lump can be as shown in Figure 3 for this communication product 2 of carrying.This load bearing unit 14 can further define and detect plummer 142 and test plummer 144, should detect plummer 142 in this and test plummer 144 not at same plane with this.Yet in another embodiment, this detection plummer 142 can side by side be in same plane with this test plummer 144.In addition, in an other embodiment, this detect plummer 142 and this test plummer 144 can be more further bolt-lock in workbench, in order to strengthen the stability of this load bearing unit 14.
Return Fig. 1, this first detection module 16 has source of sound unit 162 and the first adjustment unit 164.This source of sound unit 162 is arranged at this first adjustment unit 164, with so that this source of sound unit 162 can be adjusted by this first adjustment unit 164, fixes and the start of moving and allow this source of sound unit 162 carry out in this first detection module 16.Wherein, this source of sound unit 162 can be artificial mouth (artificial mouth) or loud speaker for generation of voice signal.
In addition, this first detection module 16 is arranged at the top of this test plummer 144, this first detection module 16 is according to set position, this radio reception unit in this communication product 2 24, utilize this first adjustment unit 164 to adjust the position of this source of sound unit 162, in order to allow this source of sound unit 162 can be arranged on the periphery of this radio reception unit 24 with being close to.Moreover, will be so that the voice signal that this source of sound unit 162 produces can accurately be sent to this radio reception unit 24 by above-mentioned adjustment, be used for providing this radio reception unit 24 to carry out sound quality and detect required signal.Wherein, the definition of this periphery refers between this source of sound unit 162 and this radio reception unit 24 distance separately, and this distance can dynamically be adjusted according to this different communication products 2.Be example in an execution mode, this distance is approximately between 2 centimeters to 15 centimeters and (also may be defined as the distance of near field), be used for so that the user can further calculate according to the result in the detected sound quality of this distance of near field the sound quality to the far field distance, for example this far field distance is about 45 centimeters to 55 centimeters.
In addition, this first adjustment unit 164 comprises sliding part 1642 and fixture 1644.Wherein, this sliding part 1642 is used in this load bearing unit 14 mobile these source of sound unit 162, and for example this sliding part 1642 can be the slide rail kenel; And this fixture 1644 is used for fixing this source of sound unit 162 at this load bearing unit 14, and for example this fixture 1644 is for the load bearing seat of these source of sound unit 162 settings.In other words, this source of sound unit 162 is according to the adjustment of position between this sliding part 1642 and this fixture 1644, and can make this source of sound unit 162 near the periphery of this radio reception unit 24.
For example, this sliding part 1642 illustrates as an example of slide rail example.This source of sound unit 162 moves with for example any direction of direction A, B, C, D, E or F by this slide rail, by the distance between these first adjustment unit, 164 these source of sound unit 162 of adjustment and this radio reception unit 24.In another embodiment, after this source of sound unit 162 has been adjusted to contiguous this radio reception unit 24, more can further by for example screw this source of sound unit 162 be locked at this fixture 1644.
It should be noted that, the adjustment mode of the distance between this source of sound unit 162 and this radio reception unit 24 is not limited to the present embodiment and graphic exemplified embodiment, as long as namely this first detection module 16 only can move this source of sound unit 162 with fixing and be adjacent to namely being within the scope of the present invention near this radio reception unit 24.
This second detection module 18 has receiving element 182 and the second adjustment unit 184.This receiving element 182 is arranged at this second adjustment unit 184, and usefulness is so that this receiving element 182 can be fixed by the adjustment of this second adjustment unit 184 and the action of movement.Wherein, this receiving element 182 is artitificial ear (artificial ear) or microphone, is used for receiving the voice signal that this phonation unit 22 produces.
Moreover, this second detection module 18 is arranged at this load bearing unit 14, and this second detection module 18 is according to the set position of this phonation unit in this communication product 2 22, the position of this receiving element 182 is adjusted in utilization by this second adjustment unit 184, be used for receiving the audible signal that this phonation unit 22 produces in order to the periphery that allows this receiving element 182 can be arranged at this phonation unit 22, in order to detect the sound quality of this phonation unit 22 this generation signal that produces with being close to.In addition, in this, the definition of this periphery is as shown in the aforementioned definitions.
This second adjustment unit 184 comprises sliding part 1842 and fixture 1844.Wherein, this sliding part 1842 is used at this load bearing unit 14 mobile these receiving elements 182, and for example this sliding part 1842 can be slide rail or slide bar kenel; And this fixture 1844 is used for fixing this receiving element 182 at this load bearing unit 14, and for example this fixture 1844 is for the support column of these receiving element 182 settings.In other words, this receiving element 182 can be near the periphery of this phonation unit 22 with the adjustment of this fixture 1844 according to this sliding part 1842.
For example, this sliding part 1842 illustrates as an example of slide rail and slide bar example.This receiving element 182 moves by any direction of this slide rail with for example direction E and direction F, and move with for example any direction of direction A, B, C or D by this slide bar, and then by the distance between these second adjustment unit, 184 these receiving elements 182 of adjustment and this phonation unit 22.
It should be noted that, the adjustment mode of the distance between this receiving element 182 and this phonation unit 22 is not limited to the present embodiment and graphic exemplified embodiment, as long as this second detection module 18 only can move this receiving element 182 with fixing and be adjacent to this phonation unit 22 and namely belong to the category that the present invention advocates.
Please refer to Fig. 4, it is the structural representation of the sound quality checkout gear of second embodiment of the invention.As shown in Figure 4, this sound quality checkout gear 10 ' comprises this load bearing unit 14, this first detection module 16 and this second detection module 18 that has this detection plummer 142 and this test plummer 144 in the previous embodiment equally, and different from previous embodiment be that this sound quality checkout gear 10 ' also comprises location division 26 and running rail unit 28.
This location division 26 is arranged at the top of this detection plummer 142, be used for allowing this communication product 2 can be positioned on this load bearing unit 14, for example this location division be screw, hole, groove, barricade, projection, magnet and sucker at least one of them.In this, this location division 26 illustrates as an example of a plurality of barricades 262 and a plurality of holes 264 example.Wherein, this location division 26 is provided with by this vertical and transversely arranged hole 264, and according to the contour shape of these communication product 2 bottom sides, in order to by optionally this communication product 2 being fixed on this detection plummer 142 in conjunction with this barricade 262 with this hole 264.
In another embodiment, this location division 26 also is modular kenel, in order to directly to change according to dissimilar communication product 2, is wanted the communication product 2 of testing to meet.
Get back to Fig. 4, this running rail unit 28 is arranged between this load bearing unit 14 and this location division 26, uses so that this communication product 2 can be in these load bearing unit 14 mobile these location divisions 26.
Please refer to Fig. 5, it is the structural representation of the sound quality checkout gear of third embodiment of the invention.As shown in Figure 5, this sound quality checkout gear 10 ' ' comprise equally this load bearing unit 14, this first detection module 16 and this second detection module 18 of previous embodiment, and with the previous embodiment difference be, this sound quality checkout gear 10 ' ' more comprise casing 30, and this casing 30 has accommodation space 302, be used for accommodating or coat this load bearing unit 14, this first detection module 16 and this second detection module 18, come from the noise signals (noise signal) of these casing 30 outsides in order to obstruct.
Please refer to Fig. 6, it is the correcting structure schematic diagram of the sound quality checkout gear of fourth embodiment of the invention.As shown in Figure 6, this sound quality checkout gear 10 ' ' ' comprise equally this load bearing unit 14, this first detection module 16 and this second detection module 18 of previous embodiment, and with the previous embodiment difference be, this sound quality checkout gear 10 ' ' ' also comprise correcting unit 32, be used for before this communication product 2 being carried out the sound quality test, in advance test and this source of sound unit 162 of correction and this receiving element 182.
This correcting unit 32 has two ends, and an end is arranged at this first detection module 16, and the receiving element 182 of the other end in order to this second detection module 18 to be set, and is used for making interval one distance between this receiving element 182 and this source of sound unit 162.In this, this receiving element 182 is proofreaied and correct in order to the audible signal that receives this source of sound unit 162 and produce, and wherein, this receiving element 182 is aimed at the center of these source of sound unit 162.
Corrective action originates in the voice signal that this source of sound unit 162 produces a standard, and utilize this receiving element 182 to receive this voice signal, and obtain testing result at this receiving element 182 simultaneously, and further analyze this testing result, in order to determine whether this receiving element 182 is proofreaied and correct.For example, suppose that this source of sound unit 162 produces the standard voice signal with 90 decibels (dB), so that decaying to 70 decibels (intensity of sound and sound source distances square be inversely proportional to) with these source of sound unit 162 standoff distances this voice signal that is 10 centimeters places, then be 10 centimeters places, should also need to receive this voice signal of 70 decibels when this receiving element 182 is arranged at apart from this source of sound unit 162 same standoff distances.Yet, because each this receiving element 182 has different characteristics, this will cause each these receiving element 182 final these testing result that produce not necessarily identical, therefore for the difference between this testing result and this standard voice signal, must be by corrective action in order to the discrepant testing result of tool be proofreaied and correct extremely accurately testing result.
Sound quality checkout gear of the present invention produces voice signal to the radio reception unit (for example microphone (microphone)) of communication product by first detection module, in order to the sound quality (such as wave volume, frequency response and harmonic distortion etc.) that detects this radio reception unit, and the sound quality that receives again the audible signal that the phonation unit (for example loud speaker (loudspeaker)) by this communication product produces by the second detection module.Therefore the present invention by at least two detection modules, operates the environment of this communication product in order to the emulation user, and by this first detection module and this second detection module can be accurately with obtain rapidly the parameter relevant with the sound quality of this communication product.
The present invention is open with better embodiment hereinbefore, so have the knack of the technology person and it should be understood that this embodiment only is used for describing the present invention, do not limit the scope of the invention and should not be read as, variation and the displacement of all and this embodiment equivalence all should be made as and be covered by in the category of the present invention.Therefore, protection scope of the present invention when with claim the person of being defined be as the criterion.
Claims (11)
1. sound quality checkout gear, it is characterized in that for detection of the communication product with phonation unit and radio reception unit, wherein comprises:
Load bearing unit, it is used for this communication product of carrying;
First detection module, it has source of sound unit and the first adjustment unit, this first detection module is arranged at this load bearing unit, and this first adjustment unit adjusts this source of sound unit according to this radio reception cell position of this communication product, and this source of sound unit is in order to produce voice signal again; And
The second detection module, it has receiving element and the second adjustment unit, this second detection module is arranged at this load bearing unit, and this second adjustment unit is adjusted this receiving element, the audible signal that this receiving element produces in order to receive this phonation unit according to this phonation unit position of this communication product.
2. sound quality checkout gear as claimed in claim 1, it is characterized in that, wherein said source of sound unit is artificial mouth (artificial mouth) or loud speaker (loudspeaker), and this receiving element is artitificial ear (artificial ear) or microphone (microphone).
3. sound quality checkout gear as claimed in claim 2 is characterized in that, wherein said load bearing unit also comprises the location division, in order to locate this communication product.
4. sound quality checkout gear as claimed in claim 3 is characterized in that, wherein said location division be screw, hole, groove, barricade, projection, magnet and sucker at least its one of.
5. sound quality checkout gear as claimed in claim 4, it is characterized in that, wherein said hole with vertically with laterally arrange, in order to according to the contour shape of this communication product bottom side and in conjunction with this document wall this communication product is fixed on this load bearing unit again.
6. sound quality checkout gear as claimed in claim 3 is characterized in that, this location division is modularization, is used for changing this location division according to the type of this communication product.
7. sound quality checkout gear as claimed in claim 3 is characterized in that, wherein more comprises slide rail, and it is arranged between this load bearing unit and this location division, is used for making this location division mobile at this load bearing unit.
8. sound quality checkout gear as claimed in claim 1, it is characterized in that, wherein said the first adjustment unit more comprises sliding part and fixture, this sliding part is used in mobile this source of sound unit of this load bearing unit, and this fixture is for fixing this source of sound unit at this load bearing unit, to adjust the position of this source of sound unit.
9. sound quality checkout gear as claimed in claim 1, it is characterized in that, wherein said the second adjustment unit more comprises sliding part and fixture, this sliding part is used at mobile this receiving element of this load bearing unit, and this fixture is for fixing this receiving element at this load bearing unit, to adjust the position of this receiving element.
10. sound quality checkout gear as claimed in claim 1, it is characterized in that, more comprise the casing with accommodation space, with accommodating or coat this load bearing unit, this first detection module and this second detection module, and intercept the noise signals (noise signal) that comes from this casing outside.
11. sound quality checkout gear as claimed in claim 1 is characterized in that, more comprises correcting unit, it is arranged at this first detection module, and being used for provides this source of sound unit to proofread and correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100560945A CN103313180A (en) | 2012-03-06 | 2012-03-06 | Sound quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100560945A CN103313180A (en) | 2012-03-06 | 2012-03-06 | Sound quality detection device |
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|---|---|
| CN103313180A true CN103313180A (en) | 2013-09-18 |
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| CN2012100560945A Pending CN103313180A (en) | 2012-03-06 | 2012-03-06 | Sound quality detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291283A (en) * | 2016-08-18 | 2017-01-04 | 济南学泰电子科技有限公司 | A kind of insulator monitoring instrument and monitoring method |
| CN110650426A (en) * | 2019-10-10 | 2020-01-03 | 南京创维信息技术研究院有限公司 | Nonlinear harmonic distortion detection method and device of microphone array and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101431553A (en) * | 2007-11-07 | 2009-05-13 | 比亚迪股份有限公司 | Automatic test equipment for mobile phone component |
| CN101662719A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Isolation box for audio-frequency test |
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2012
- 2012-03-06 CN CN2012100560945A patent/CN103313180A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431553A (en) * | 2007-11-07 | 2009-05-13 | 比亚迪股份有限公司 | Automatic test equipment for mobile phone component |
| CN101662719A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Isolation box for audio-frequency test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291283A (en) * | 2016-08-18 | 2017-01-04 | 济南学泰电子科技有限公司 | A kind of insulator monitoring instrument and monitoring method |
| CN110650426A (en) * | 2019-10-10 | 2020-01-03 | 南京创维信息技术研究院有限公司 | Nonlinear harmonic distortion detection method and device of microphone array and storage medium |
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Application publication date: 20130918 |