CN206061141U - A kind of acoustical testing system of wireless audio products - Google Patents
A kind of acoustical testing system of wireless audio products Download PDFInfo
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- CN206061141U CN206061141U CN201621079769.8U CN201621079769U CN206061141U CN 206061141 U CN206061141 U CN 206061141U CN 201621079769 U CN201621079769 U CN 201621079769U CN 206061141 U CN206061141 U CN 206061141U
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Abstract
This utility model is related to audio-frequency test field.The utility model discloses a kind of acoustical testing system of wireless audio products, including audio-frequency test equipment, WIFI dischargers, router and wireless audio products to be measured, the audio-frequency test equipment includes audio-frequency test processing module, AD conversion module and voice acquisition module, the WIFI dischargers include interface input module and WIFI signal transmitter module, and the wireless audio products to be measured include WIFI signal receiver module, decoder module, power amplifier module and voice playing module.This utility model can solve signal using closed loop test and send in real time and acquisition problems, improve the accuracy rate of test, instrument and equipment is required to reduce, and using conventional test instrunment, lifted beneficial to development efficiency and cost is reduced.
Description
Technical field
This utility model belongs to audio-frequency test field, more particularly to a kind of acoustical testing system of wireless audio products.
Background technology
The historical change of wireless audio products is from for the angle of transmission means after FM, infrared ray and bluetooth.With handss
Machine, flat board are that the mobile Internet product of representative is compared, and traditional wireless audio products, in terms of innovation and change, always show
Obtain incompatible with, it is simple and unsophisticated and clumsy.Nowadays network high in the clouds shared resource is gradually opened, and consumer is all to music sources demand and day
Increase, wherein based on WIFI wireless audio products.For comparing bluetooth connection mode, WIFI possesses long transmission distance, and multiple spot connects
Line, speed are fast, the advantages of resource is more.
In existing acoustical behavior test process, more adopts open-loop test, and open-loop test is produced to WIFI ANTENNAUDIOs
The controlled output requirement of product is higher, and the instrument and equipment of relative testing audio requires also higher, test trouble, using routine
Closed loop test, can conveniently solve the problems, such as that the above is not enough, be that one kind is accurate, convenient, efficiently method of testing.
But existing most audio-frequency test instruments can only realize wired closed loop test in conventional test link, or
Part forms open-loop test, it is impossible to realize the test link of WIFI ANTENNAUDIOs, if WIFI wireless audio products surveys will be carried out
Examination need to change existing most audio-frequency test instruments, cause existing most audio-frequency test instruments to leave unused, and testing cost is high, and drops
The low development efficiency of product.
The content of the invention
The purpose of this utility model is to provide one kind to solve the above problems to carry out closed loop test, improves test
Accuracy rate, requires to reduce to instrument and equipment, using conventional test instrunment, reduces beneficial to development efficiency lifting and cost
The acoustical testing system of wireless audio products.
For this purpose, the utility model discloses a kind of acoustical testing system of wireless audio products, including audio-frequency test equipment,
WIFI dischargers, router and wireless audio products to be measured, the audio-frequency test equipment include audio-frequency test processing module, AD
Modular converter and voice acquisition module, the WIFI dischargers include interface input module and WIFI signal transmitter module, institute
Stating wireless audio products to be measured includes WIFI signal receiver module, decoder module, power amplifier module and voice playing module, the sound
The signal output part of frequency test processes module connects WIFI signal transmitter module, the WIFI signal transmitting by interface input module
Module and router wireless communication connection, the WIFI signal receiver module and router wireless communication connection, for receiving
The signal of WIFI signal transmitter module transmitting, and export voice playing module after passing sequentially through decoder module and power amplifier module and enter
Row is played, and the sound that voice acquisition module collection voice playing module is played simultaneously is transferred to audio frequency after AD conversion module is changed
Test processes module carries out process test.
Further, the WIFI dischargers also include coding module, and the audio-frequency test equipment also includes DA
Modular converter, the signal output part of the audio-frequency test processing module are sequentially connected D/A conversion module, interface input module, coding
Module and WIFI signal transmitter module.
Further, the coding module passes through I2S buses are connected with WIFI signal transmitter module.
Further, the WIFI signal receiver module passes through I2S buses are connected with coding module.
Further, the voice playing module is speaker.
Further, the voice acquisition module is mike.
Further, the audio-frequency test equipment is Sound check audio-frequency test instrument, Audio Precision audio frequency
Measuring and analysing meter, MLSSA audio-frequency test instrument, CLIO audio-frequency test instrument, B＆K audio-frequency tests instrument or LMS audio-frequency test instrument.
Further, the interface input module be the 3.5mm audio interface of 1to1, the 3.5mm audio interface of 2to1,
L, R audio interface of the 6.5mm audio interface of 1to1, the 6.5mm audio interface of 2to1 or 2to2.
Advantageous Effects of the present utility model：
This utility model can solve signal using closed loop test and send in real time and acquisition problems, improve the accurate of test
Rate, requires to reduce to instrument and equipment, using conventional test instrunment, need not buy new test equipment, not result in existing
Test instrunment leaves unused, and is lifted beneficial to development efficiency and cost is reduced.
Description of the drawings
Structured flowcharts of the Fig. 1 for this utility model embodiment one；
Structured flowcharts of the Fig. 2 for this utility model embodiment two.
Specific embodiment
This utility model is further illustrated in conjunction with the drawings and specific embodiments.
Implement one：
As shown in figure 1, a kind of acoustical testing system of wireless audio products, including audio-frequency test equipment 1, WIFI transmitting dress
2, router 4 and wireless audio products to be measured 3 are put, the audio-frequency test equipment includes audio-frequency test processing module 11, AD conversion
Module 12 and voice acquisition module 13, in this specific embodiment, audio-frequency test equipment 1 can adopt existing electroacoustic audio-frequency test
Equipment for example Sound check audio-frequency tests instrument, Audio Precision audio-frequency test analysers, MLSSA audio-frequency test instrument,
CLIO audio-frequency test instrument, B＆K audio-frequency tests instrument or LMS audio-frequency test instrument etc., voice acquisition module 13 are preferably mike, audio frequency
Test processes module 11 is single-chip microcomputer or microprocessor etc..
The WIFI dischargers 2 include interface input module 21 and WIFI signal transmitter module 22, this specific embodiment
In, interface input module 21 is audio interface, can be the 3.5mm audio interface of 1to1, the 3.5mm audio interface of 2to1,
L, R audio interface of the 6.5mm audio interface of 1to1, the 6.5mm audio interface of 2to1 or 2to2.
The wireless audio products to be measured 3 include WIFI signal receiver module 31, decoder module 32, power amplifier module 33 and language
Sound playing module 34, in being originally embodied as, decoder module 32 be codec, power amplifier module 33 adopt existing power amplifier,
Those skilled in the art can realize that this no longer describes in detail easily, and voice playing module 34 is preferably speaker.
The signal output part of the audio-frequency test processing module 11 connects WIFI signal by interface input module 21 and launches mould
Block 22, the WIFI signal transmitter module 22 and 4 wireless communication connection of router, the WIFI signal receiver module 31 and route
4 wireless communication connection of device, for receiving the signal of the transmitting of WIFI signal transmitter module 22, and passes sequentially through decoder module 32 and work(
Output after amplification module 33 is played out to speaker 34, and the sound that the collection speaker 34 of mike 13 is played simultaneously passes through AD conversion mould
Block 12 is transferred to audio-frequency test processing module 11 after changing and carries out process test.Specifically, the decoder module passes through I2S buses
It is connected with WIFI signal receiver module 31.
Test process：Audio-frequency test processing module 11 exports digital audio test signal, by the sound of WIFI dischargers 2
Frequency interface 21 is transferred to WIFI signal transmitter module 22 and carries out signal transmitting, and WIFI signal transmitter module 22 is connected with router 4,
Communications protocol between software section write WIFI signal transmitting and reception.WIFI signal receiver module 31 also with 4 phase of router
Even, the audio-frequency test signal that WIFI signal transmitter module 22 is launched is received by proprietary protocol, then is sent by I S buses
To decoder module 32（Codec）Carry out being decoded into analogue signal, promote speaker 34 to be broadcast finally by power amplifier module 33
Put, reach the purpose of reduction audio-frequency test signal；Mike 13 is acquired to the audio-frequency test signal that speaker 34 is played, and is led to
Cross audio-frequency test processing module 11 is input to after the signal that AD conversion module 12 pairs collects carries out analog digital conversion and carries out at computing
Reason, draws the related performance of acoustics, such as frequency response, harmonic distortion, phase place etc., and is shown, conveniently check.
Embodiment two：
As shown in Fig. 2 the present embodiment with the difference of embodiment one is：The WIFI dischargers 2 also include compiling
Code module 23, the audio-frequency test equipment 1 also include D/A conversion module 14, the signal output of the audio-frequency test processing module 11
End is sequentially connected D/A conversion module 12, interface input module 21, coding module 23 and WIFI signal transmitter module 22.Specifically,
The WIFI signal receiver module 22 passes through I2S buses are connected with coding module 23.
Test process：Audio-frequency test processing module 11 exports audio-frequency test signal, is converted into mould through D/A conversion module 14
After intending test signal, coding module 23 is transferred to by the audio interface 21 of WIFI dischargers 2,23 pairs of simulations of coding module are surveyed
Trial signal carries out signal transmitting, WIFI signal transmitting to WIFI signal transmitter module 22 by I S bus transfers after being encoded
Module 22 is connected with router 4, the communications protocol between software section write WIFI signal transmitting and reception.WIFI signal is received
Module 31 is also connected with router 4, the audio-frequency test signal that WIFI signal transmitter module 22 is launched is carried out by proprietary protocol
Receive, then decoder module 32 is sent to by I S（Codec）Carry out being decoded into analogue signal, push away finally by power amplifier module 33
Dynamic speaker 34 is played out, and reaches the purpose of reduction audio-frequency test signal；The audio frequency that mike 13 is played to speaker 34 is surveyed
Trial signal is acquired, and audio-frequency test process is input to after 12 pairs of signals for collecting of AD conversion module carry out analog digital conversion
Module 11 carries out calculation process, draws the related performance of acoustics, such as frequency response, harmonic distortion, phase place etc., and is shown
Show, conveniently check.
In sum, this utility model can carry out closed loop test to wireless audio products, can solve signal and send out in real time
Send and acquisition problems, improve the accuracy rate of test, instrument and equipment is required to reduce, using conventional test instrunment, need not
New test equipment is bought, existing test instrunment is not resulted in and is left unused, lifted beneficial to development efficiency and cost is reduced.
Although specifically showing and describing this utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On this utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (8)
1. the acoustical testing system of a kind of wireless audio products, it is characterised in that：Including audio-frequency test equipment, WIFI transmitting dresses
Put, router and wireless audio products to be measured, the audio-frequency test equipment include audio-frequency test processing module, AD conversion module and
Voice acquisition module, the WIFI dischargers include interface input module and WIFI signal transmitter module, described to be measured wireless
Audio product includes WIFI signal receiver module, decoder module, power amplifier module and voice playing module, and the audio-frequency test is processed
The signal output part of module connects WIFI signal transmitter module, the WIFI signal transmitter module and route by interface input module
Device wireless communication connection, the WIFI signal receiver module and router wireless communication connection, for receiving WIFI signal transmitting
The signal of module transmitting, and export voice playing module after passing sequentially through decoder module and power amplifier module and play out, it is described
The sound of voice acquisition module collection voice playing module broadcasting is simultaneously transferred at audio-frequency test after AD conversion module is changed
Reason module carries out process test.
2. the acoustical testing system of wireless audio products according to claim 1, it is characterised in that：The WIFI transmittings dress
Put, the audio-frequency test equipment also includes D/A conversion module, the signal of the audio-frequency test processing module
Outfan is sequentially connected D/A conversion module, interface input module, coding module and WIFI signal transmitter module.
3. the acoustical testing system of wireless audio products according to claim 2, it is characterised in that：The coding module leads to
Cross I2S buses are connected with WIFI signal transmitter module.
4. the acoustical testing system of wireless audio products according to claim 1 and 2, it is characterised in that：The WIFI letters
Number receiver module passes through I2S buses are connected with coding module.
5. the acoustical testing system of wireless audio products according to claim 1 and 2, it is characterised in that：The voice is broadcast
Amplification module is speaker.
6. the acoustical testing system of wireless audio products according to claim 1 and 2, it is characterised in that：The voice is adopted
Integrate module as mike.
7. the acoustical testing system of wireless audio products according to claim 1 and 2, it is characterised in that：The audio frequency is surveyed
Examination equipment be Sound check audio-frequency test instrument, Audio Precision audio-frequency test analysers, MLSSA audio-frequency test instrument,
CLIO audio-frequency test instrument, B＆K audio-frequency tests instrument or LMS audio-frequency test instrument.
8. the acoustical testing system of wireless audio products according to claim 1 and 2, it is characterised in that：The interface is defeated
Enter 3.5mm audio interface, the 3.5mm audio interface of 2to1, the 6.5mm audio interface of 1to1,2to1 that module is 1to1
L, R audio interface of 6.5mm audio interface or 2to2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079769.8U CN206061141U (en) | 2016-09-26 | 2016-09-26 | A kind of acoustical testing system of wireless audio products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079769.8U CN206061141U (en) | 2016-09-26 | 2016-09-26 | A kind of acoustical testing system of wireless audio products |
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| CN206061141U true CN206061141U (en) | 2017-03-29 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221319A (en) * | 2017-05-16 | 2017-09-29 | 厦门盈趣科技股份有限公司 | A kind of speech recognition test system and method |
| CN108064347A (en) * | 2017-11-28 | 2018-05-22 | 福建联迪商用设备有限公司 | The audio pin test method and test device of communication module |
| CN108391217A (en) * | 2018-01-18 | 2018-08-10 | 雅刚电子(惠州)有限公司 | Wireless headset automatic test approach and test system |
| CN108650608A (en) * | 2018-05-07 | 2018-10-12 | 深圳市集贤科技有限公司 | A kind of automated testing method and system of multiple-unit wireless audio products |
| CN109150238A (en) * | 2018-10-25 | 2019-01-04 | 深圳星禾设计有限公司 | Wireless audio integrated measurement system and method |
| CN109151460A (en) * | 2018-10-17 | 2019-01-04 | 杭州兆华电子有限公司 | A kind of IP Camera test macro and its test method |
| CN109327788A (en) * | 2018-10-17 | 2019-02-12 | 杭州兆华电子有限公司 | A kind of WiFi speaker test macro and its test method |
| CN112995882A (en) * | 2021-05-11 | 2021-06-18 | 杭州兆华电子有限公司 | Intelligent equipment audio open loop test method |
| CN113259829A (en) * | 2021-04-07 | 2021-08-13 | 深圳市豪恩声学股份有限公司 | Method and device for detecting NFMI (network function management interface) function of wireless headset |
| US11516605B2 (en) | 2018-03-22 | 2022-11-29 | Yamaha Corporation | Audio device, server, audio system, and method of controlling audio device |
-
2016
- 2016-09-26 CN CN201621079769.8U patent/CN206061141U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221319A (en) * | 2017-05-16 | 2017-09-29 | 厦门盈趣科技股份有限公司 | A kind of speech recognition test system and method |
| CN108064347A (en) * | 2017-11-28 | 2018-05-22 | 福建联迪商用设备有限公司 | The audio pin test method and test device of communication module |
| CN108391217A (en) * | 2018-01-18 | 2018-08-10 | 雅刚电子(惠州)有限公司 | Wireless headset automatic test approach and test system |
| US11516605B2 (en) | 2018-03-22 | 2022-11-29 | Yamaha Corporation | Audio device, server, audio system, and method of controlling audio device |
| CN108650608A (en) * | 2018-05-07 | 2018-10-12 | 深圳市集贤科技有限公司 | A kind of automated testing method and system of multiple-unit wireless audio products |
| CN109151460A (en) * | 2018-10-17 | 2019-01-04 | 杭州兆华电子有限公司 | A kind of IP Camera test macro and its test method |
| CN109327788A (en) * | 2018-10-17 | 2019-02-12 | 杭州兆华电子有限公司 | A kind of WiFi speaker test macro and its test method |
| CN109150238A (en) * | 2018-10-25 | 2019-01-04 | 深圳星禾设计有限公司 | Wireless audio integrated measurement system and method |
| CN113259829A (en) * | 2021-04-07 | 2021-08-13 | 深圳市豪恩声学股份有限公司 | Method and device for detecting NFMI (network function management interface) function of wireless headset |
| CN112995882A (en) * | 2021-05-11 | 2021-06-18 | 杭州兆华电子有限公司 | Intelligent equipment audio open loop test method |
| CN112995882B (en) * | 2021-05-11 | 2021-08-13 | 杭州兆华电子有限公司 | Intelligent equipment audio open loop test method |
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Granted publication date: 20170329 |