CN104618846A - Electronic product loudspeaker and microphone testing system and testing method - Google Patents

Electronic product loudspeaker and microphone testing system and testing method Download PDF

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Publication number
CN104618846A
CN104618846A CN201510078241.2A CN201510078241A CN104618846A CN 104618846 A CN104618846 A CN 104618846A CN 201510078241 A CN201510078241 A CN 201510078241A CN 104618846 A CN104618846 A CN 104618846A
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China
Prior art keywords
electronic
loud speaker
microphone
audio
audio signal
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CN201510078241.2A
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Chinese (zh)
Inventor
张恒广
刘继涛
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Goertek Inc
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Goertek Inc
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Priority to CN201510078241.2A priority Critical patent/CN104618846A/en
Publication of CN104618846A publication Critical patent/CN104618846A/en
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Abstract

The invention relates to the technical field of electronic product loudspeaker test and provides an electronic product loudspeaker and microphone testing system and a testing method. The testing system comprises an airtight box, a voice frequency signal transmit-receive unit and testing terminal; an electronic product, a measurement microphone and a measurement loudspeaker are arranged inside the airtight box; the voice frequency signal transmit-receive unit is used for sending a first voice frequency electrical signal, controlling the measurement loudspeaker to play a first voice frequency signal and obtains a second voice frequency electrical signal; a to-be-tested microphone obtains a first voice frequency signal; a to-be-tested loudspeaker is used for playing a second voice frequency signal; the test terminal is used for transmitting a test control signal to the voice frequency signal transmit-receive unit and receives the second voice frequency electrical signal which is fed back by the voice frequency signal transmit-receive unit, analyzes and compares the first voice-frequency electrical signal and the second voice-frequency electrical signal, stores and outputs a testing parameter, achieves rapid test of the loudspeaker and the microphone of the electronic product. The testing request is high in accuracy due to the fact that the testing parameter is stored through the testing terminal.

Description

A kind of electronic product loud speaker and microphone test macro and method of testing
Technical field
The invention belongs to electronic product technical field of measurement and test, particularly relate to a kind of electronic product loud speaker and microphone test macro and method of testing.
Background technology
In the assembling process of electronic product with loud speaker (RCV) and microphone (MIC), in order to avoid electronic product is after a glue is assembled into complete machine, product RCV and MIC does not have function to cause the situation of machine product demolishing and scrapping, so carry out Preliminary detection to the function of RCV and MIC of product in assembling product process, guarantee that RCV and MIC of product can normally work, the most common with the test of bluetooth earphone.
At present, the Preliminary detection of RCV and the MIC function of electronic product is general in the following way:
(1) tester's mouth is blown or speech facing to the MIC of electronic product, and product MIC pickoff signals also carries out signal storage by computer;
(2) signal stored play by computer, played sound by the RCV (RCV is connected with computer by USB interface) of product, and the measured MIC of sound receives, and is amplified by voice signal, then played sound by audio amplifier through amplifier.Whether artificial judgment audio amplifier sounds and whether the sound that sends is the language of just having said, and judges electronic product function.
But there is following defect in the detection mode of above-mentioned electronic product RCV and MIC function:
(1) whole test process needs artificial participation, and test result is also carry out subjective judgement by the sense organ of tester, does not have objective test data, is unfavorable for production line management and control and increases tester's fatigue strength;
(2) tester is to product speech in open environment, and sound is comparatively large, is unfavorable for the quiet operation of producing line, and MIC and buzzer are apart from closer in open environment, and electronic product and system circulation self feed back generation easily occur and utter long and high-pitched sounds, cacophonize;
(3) tester only can judge whether electronic product RCV and MIC works, and accurately can not judge the sensitivity of RCV and MIC;
(4) whole test process does not produce data, can not carry out archives data, cannot complete data traceability;
(5) tester manually to participate in step more, the testing time is longer, about 50 seconds average times, causes testing efficiency lower.
Summary of the invention
The object of the present invention is to provide a kind of electronic product loud speaker and microphone test macro, there is artificial participation and causes the problem that test result is inaccurate, subjective, data cannot be reviewed and testing efficiency is lower in the detection mode being intended to solve the electronic product RCV that provides of prior art and MIC function.
The present invention is achieved in that a kind of electronic product loud speaker and microphone test macro, and described electronic product loud speaker and microphone test macro comprise:
Containment housing, be placed with electronic product in described containment housing, measure microphone and measure loud speaker, the loud speaker to be measured of described electronic product is corresponding with described measurement microphone to be placed, and the microphone to be measured of described electronic product is corresponding with described measurement loud speaker to be placed;
Respectively with described measurement microphone with measure the audio signal Transmit-Receive Unit that loud speaker is electrically connected, described audio signal Transmit-Receive Unit is used for sending the first audio electrical signal to described measurement loud speaker, control described measurement loud speaker and play first audio signal corresponding with described first audio electrical signal, and obtain the second audio electrical signal that described measurement microphones and process obtain;
The microphone to be measured of described electronic product obtains described first audio signal, and the second audio signal that the loud speaker to be measured of described electronic product is used for described electronic product execution frequency inverted gets plays out;
The test terminal be connected with described audio signal Transmit-Receive Unit, described test terminal is used for sending test control signal to described audio signal Transmit-Receive Unit, and receive described second audio electrical signal of described audio signal Transmit-Receive Unit feedback, and described first audio electrical signal and the second audio electrical signal are analysed and compared, obtain the test parameter of electronic product loud speaker and microphone, preserve and export.
As a kind of improved plan, described electronic product also comprises a main control chip, the first audio signal that described main control chip is used for described microphone to be measured obtains carries out frequency inverted, convert the second audio signal of the respective frequencies meeting described first audio electrical signal to, play by described loud speaker to be measured.
As a kind of improved plan, described electronic product is provided with direct mode operation.
As a kind of improved plan, described audio signal Transmit-Receive Unit is sound card.
Another object of the present invention is to provide a kind of method of measurement based on electronic product loud speaker and microphone test macro, described method comprises the steps:
Test terminal sends test control signal to audio signal Transmit-Receive Unit, and described test control signal includes the frequency information that described audio signal Transmit-Receive Unit sends the first audio electrical signal;
Described first audio electrical signal is sent on the measurement loud speaker that is in containment housing by described audio signal Transmit-Receive Unit;
First audio signal corresponding with described first audio electrical signal play by described measurement loud speaker;
The microphone to be measured being in the electronic product in described containment housing obtains described first audio signal, and the second audio signal that described electronic product execution frequency inverted gets plays out by the loud speaker to be measured of electronic product;
Be in the second audio signal described in the test microphones in containment housing, and described second audio signal is converted to the second audio electrical signal, send to described audio signal Transmit-Receive Unit;
Described audio signal Transmit-Receive Unit sends described second audio electrical signal to described test terminal;
Analysing and comparing to described first audio electrical signal and the second audio electrical signal in described test terminal, obtains the test parameter of electronic product loud speaker and microphone, preserve and export.
As a kind of improved plan, described method also comprises the steps:
Described electronic product is debugged as direct mode operation.
As a kind of improved plan, the step that the second audio signal that described electronic product execution frequency inverted gets plays out specifically comprises the steps: by the loud speaker to be measured of described electronic product
First audio signal of main control chip to described microphones to be measured of electronic product performs frequency inverted, is converted to the second audio signal of the respective frequencies meeting described first audio electrical signal;
Described second audio signal plays out by the loud speaker to be measured of described electronic product.
As a kind of improved plan, described audio signal Transmit-Receive Unit is sound card.
Because electronic product loud speaker and microphone test macro comprise containment housing, audio signal Transmit-Receive Unit and test terminal, be placed with electronic product in containment housing, measure microphone and measure loud speaker, audio signal Transmit-Receive Unit is used for sending the first audio electrical signal to measurement loud speaker, first audio signal corresponding with described audio electrical signal play by control survey loud speaker, and the second audio electrical signal that acquisition measurement microphones and process obtain; The microphone to be measured of electronic product obtains the first audio signal, and the loud speaker to be measured of electronic product is used for electronic product to perform the second audio signal that frequency inverted gets and plays out; Test terminal is used for sending test control signal to audio signal Transmit-Receive Unit, and the second audio electrical signal of received audio signal Transmit-Receive Unit feedback, and the first audio electrical signal and the second audio electrical signal are analysed and compared, obtain the test parameter of electronic product loud speaker and microphone, preserve and export, realizing the quick test to electronic product loud speaker and microphone, by test terminal, test parameter is preserved, realize data preservation to review, test result accuracy is high.
Because audio signal Transmit-Receive Unit is sound card, its sound card equipment that can carry for above-mentioned test terminal, realizes the transmitting-receiving to audio signal, is easy to realize.
Because test terminal sends test control signal to audio signal Transmit-Receive Unit; First audio electrical signal is sent on the measurement loud speaker that is in containment housing by audio signal Transmit-Receive Unit; Measure loud speaker and play first audio signal corresponding with the first audio electrical signal; The microphone to be measured being in the electronic product in containment housing obtains the first audio signal, and electronic product is performed the second audio signal that frequency inverted gets and plays out by the loud speaker to be measured of electronic product; Be in test microphones second audio signal in containment housing, and the second audio signal is converted to the second audio electrical signal, send to audio signal Transmit-Receive Unit; Audio signal Transmit-Receive Unit sends the second audio electrical signal to test terminal; Analyse and compare to the first audio electrical signal and the second audio electrical signal in test terminal, obtain the test parameter of electronic product loud speaker and microphone, preserve and export, realize the quick test to electronic product loud speaker and microphone, by test terminal, test parameter is preserved, realize data preservation to review, test result accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of electronic product loud speaker provided by the invention and microphone test macro;
Fig. 2 is the realization flow figure of electronic product loud speaker provided by the invention and microphone method of testing;
Wherein, 1-containment housing, 2-measures microphone, and 3-measures loud speaker, 4-electronic product, 5-loud speaker to be measured, 6-microphone to be measured, 7-audio signal Transmit-Receive Unit, 8-test terminal, 9-main control chip.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the structural representation of electronic product loud speaker provided by the invention and microphone test macro, for convenience of explanation, only gives part related to the present invention in figure.
Electronic product loud speaker and microphone test macro comprise:
Containment housing 1, is placed with electronic product 4, measures microphone 2 and measure loud speaker 3 in this containment housing 1, the loud speaker to be measured 5 of electronic product 4 with measure that microphone 2 is corresponding to be placed, the microphone to be measured 6 of electronic product 4 and measure that loud speaker 3 is corresponding to be placed;
Respectively with measure microphone 2 and measure the audio signal Transmit-Receive Unit 7 that loud speaker 3 is electrically connected, audio signal Transmit-Receive Unit 7 is for sending the first audio electrical signal to measurement loud speaker 3, first audio signal corresponding with the first audio electrical signal play by control survey loud speaker 3, and acquisition measurement microphone 2 receives and process the second audio electrical signal obtained;
The microphone to be measured 6 of electronic product obtains the first audio signal, and the loud speaker to be measured 5 of electronic product plays out for the second audio signal electronic product being performed frequency inverted and get;
The test terminal 8 be connected with audio signal Transmit-Receive Unit 7, test terminal 8 is for sending test control signal to audio signal Transmit-Receive Unit 7, and the second audio electrical signal that received audio signal Transmit-Receive Unit 7 feeds back, and the first audio electrical signal and the second audio electrical signal are analysed and compared, obtain the test parameter of electronic product loud speaker and microphone, preserve and export.
Wherein, above-mentioned containment housing 1 can adopt conventional water-tight equipment to provide, and special tool also can be adopted to realize, do not repeat them here, provide the airtight space cavity be isolated from the outside as long as can play.
In embodiments of the present invention, above-mentioned electronic product can be the common electric terminal with loud speaker and microphone, such as common bluetooth earphone etc., is followingly described for bluetooth earphone.
Pattern setting is carried out to bluetooth earphone, by bluetooth earphone be set to lead directly to (LOOPBACK) pattern, wherein this LOOPBACK pattern is the exclusive pattern of bluetooth earphone test phase before dispatching from the factory, and does not repeat them here, but not in order to limit the present invention.
Wherein, the audio frequency that bluetooth earphone can receive microphone 6 to be measured is novel carries out frequency inverted, that is:
Electronic product (bluetooth earphone) also comprises a main control chip 9, this main control chip 9 carries out frequency inverted for the first audio signal obtained microphone 6 to be measured, convert the second audio signal of the respective frequencies meeting the first audio electrical signal to, play by loud speaker 5 to be measured, wherein this frequency can be the signal of telecommunication of 1Khz, does not repeat them here.
Above-mentioned test terminal 8 can adopt computer conventional at present, the sound card itself carried can audio signal Transmit-Receive Unit 7, this test terminal 8 can compare to audio electrical signal, also the test parameter of the electronic product loud speaker after compare of analysis and microphone is preserved simultaneously, and shown by corresponding display, check with alert, simultaneously, by modes such as audio alerts, can not repeat them here yet.
Described in the set-up mode of electronic product loud speaker of the present invention and microphone test macro is specific as follows:
In test terminal 8 (computer), upper installation one test application, namely completes the algorithm routine of the compare of analysis of audio electrical signal;
Then the test microphone be placed in containment housing 1 and measurement loud speaker are electrically connected with sound card, energy communication is mutual respectively to make it;
Then bluetooth earphone is delivered in this containment housing 1, wherein, the loud speaker to be measured 5 of bluetooth earphone and measure that microphone 2 is corresponding to be placed, the microphone to be measured 6 of bluetooth earphone and measure that loud speaker 3 is corresponding to be placed, wherein, this containment housing 1 can be set on corresponding product line, realize automatic test.
Fig. 2 shows the realization flow figure of electronic product loud speaker that the embodiment of the present invention provides and microphone method of testing, and its concrete step is as described below:
In step S101, test terminal 8 sends test control signal to audio signal Transmit-Receive Unit 7, and test control signal includes the frequency information that audio signal Transmit-Receive Unit 7 sends the first audio electrical signal.
In step s 102, the first audio electrical signal is sent on the measurement loud speaker that is in containment housing 1 by audio signal Transmit-Receive Unit 7.
In step s 103, measure loud speaker and play first audio signal corresponding with the first audio electrical signal.
In step S104, the microphone to be measured 6 being in the electronic product in containment housing 1 obtains the first audio signal, and electronic product is performed the second audio signal that frequency inverted gets and plays out by the loud speaker to be measured 5 of electronic product.
In step S105, be in test microphones second audio signal in containment housing 1, and the second audio signal is converted to the second audio electrical signal, send to audio signal Transmit-Receive Unit 7.
In step s 106, audio signal Transmit-Receive Unit 7 sends the second audio electrical signal to described test terminal 8.
In step s 107, analyse and compare to the first audio electrical signal and the second audio electrical signal in test terminal 8, obtains the test parameter of electronic product loud speaker and microphone, preserve and export.
Wherein, in this step, this test parameter can be stored by corresponding memory device, in order to data traceability, simultaneously, after compare of analysis terminates, need the process of carrying out corresponding display, to point out the quality of the electronic product of the current test of tester, the first audio signal and the inconsistent situation of the second audio signal namely detected, can show accordingly on the display screen of test terminal 8 or audio alert prompting, pick product wherein off quality to remind operating personnel.
The above-mentioned whole test process time is shorter, general needs 20 seconds/Pcs, realizes the process that test terminal 8 software detects test automatically, and it can also Validity Test sound electronic product on the low side, further reduce electronic product percent defective, improving product quality.
In embodiments of the present invention, electronic product loud speaker and microphone test macro comprise containment housing 1, audio signal Transmit-Receive Unit 7 and test terminal 8, be placed with electronic product in containment housing 1, measure microphone 2 and measure loud speaker 3, audio signal Transmit-Receive Unit 7 is for sending the first audio electrical signal to measurement loud speaker 3, first audio signal corresponding with described audio electrical signal play by control survey loud speaker 3, and acquisition measurement microphone 2 receives and process the second audio electrical signal obtained; The microphone to be measured 6 of electronic product obtains the first audio signal, and the loud speaker to be measured 5 of electronic product plays out for the second audio signal electronic product being performed frequency inverted and get; Test terminal 8 is for sending test control signal to audio signal Transmit-Receive Unit 7, and the second audio electrical signal that received audio signal Transmit-Receive Unit 7 feeds back, and the first audio electrical signal and the second audio electrical signal are analysed and compared, obtain the test parameter of electronic product loud speaker and microphone, preserve and export, realizing the quick test to electronic product loud speaker and microphone, being preserved by 8 pairs, test terminal test parameter, realize data preservation to review, test result accuracy is high.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. electronic product loud speaker and a microphone test macro, is characterized in that, described electronic product loud speaker and microphone test macro comprise:
Containment housing, be placed with electronic product in described containment housing, measure microphone and measure loud speaker, the loud speaker to be measured of described electronic product is corresponding with described measurement microphone to be placed, and the microphone to be measured of described electronic product is corresponding with described measurement loud speaker to be placed;
Respectively with described measurement microphone with measure the audio signal Transmit-Receive Unit that loud speaker is electrically connected, described audio signal Transmit-Receive Unit is used for sending the first audio electrical signal to described measurement loud speaker, control described measurement loud speaker and play first audio signal corresponding with described first audio electrical signal, and obtain the second audio electrical signal that described measurement microphones and process obtain;
The microphone to be measured of described electronic product obtains described first audio signal, and the second audio signal that the loud speaker to be measured of described electronic product is used for described electronic product execution frequency inverted gets plays out;
The test terminal be connected with described audio signal Transmit-Receive Unit, described test terminal is used for sending test control signal to described audio signal Transmit-Receive Unit, and receive described second audio electrical signal of described audio signal Transmit-Receive Unit feedback, and described first audio electrical signal and the second audio electrical signal are analysed and compared, obtain the test parameter of electronic product loud speaker and microphone, preserve and export.
2. electronic product loud speaker according to claim 1 and microphone test macro, it is characterized in that, described electronic product also comprises a main control chip, the first audio signal that described main control chip is used for described microphone to be measured obtains carries out frequency inverted, convert the second audio signal of the respective frequencies meeting described first audio electrical signal to, play by described loud speaker to be measured.
3. electronic product loud speaker according to claim 1 and microphone test macro, is characterized in that, described electronic product is provided with direct mode operation.
4. the electronic product loud speaker according to any one of claims 1 to 3 and microphone test macro, is characterized in that, described audio signal Transmit-Receive Unit is sound card.
5., based on a method of testing for electronic product loud speaker according to claim 1 and microphone test macro, it is characterized in that, described method comprises the steps:
Test terminal sends test control signal to audio signal Transmit-Receive Unit, and described test control signal includes the frequency information that described audio signal Transmit-Receive Unit sends the first audio electrical signal;
Described first audio electrical signal is sent on the measurement loud speaker that is in containment housing by described audio signal Transmit-Receive Unit;
First audio signal corresponding with described first audio electrical signal play by described measurement loud speaker;
The microphone to be measured being in the electronic product in described containment housing obtains described first audio signal, and the second audio signal that described electronic product execution frequency inverted gets plays out by the loud speaker to be measured of electronic product;
Be in the second audio signal described in the test microphones in containment housing, and described second audio signal is converted to the second audio electrical signal, send to described audio signal Transmit-Receive Unit;
Described audio signal Transmit-Receive Unit sends described second audio electrical signal to described test terminal;
Analysing and comparing to described first audio electrical signal and the second audio electrical signal in described test terminal, obtains the test parameter of electronic product loud speaker and microphone, preserve and export.
6. electronic product loud speaker according to claim 5 and microphone method of testing, is characterized in that, described method also comprises the steps:
Described electronic product is debugged as direct mode operation.
7. electronic product loud speaker according to claim 5 and microphone method of testing, it is characterized in that, the step that the second audio signal that described electronic product execution frequency inverted gets plays out specifically comprises the steps: by the loud speaker to be measured of described electronic product
First audio signal of main control chip to described microphones to be measured of electronic product performs frequency inverted, is converted to the second audio signal of the respective frequencies meeting described first audio electrical signal;
Described second audio signal plays out by the loud speaker to be measured of described electronic product.
8. the electronic product loud speaker according to any one of claim 5 to 7 and microphone method of testing, is characterized in that, described audio signal Transmit-Receive Unit is sound card.
CN201510078241.2A 2015-02-12 2015-02-12 Electronic product loudspeaker and microphone testing system and testing method Pending CN104618846A (en)

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CN108184201A (en) * 2017-12-28 2018-06-19 上海传英信息技术有限公司 audio testing method, audio test system
CN109195090A (en) * 2018-09-05 2019-01-11 苏州思必驰信息科技有限公司 Test method and system for microphone electro mechanical parameter in product
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CN110858950A (en) * 2018-08-23 2020-03-03 青岛海信宽带多媒体技术有限公司 Sound equipment testing method, sound equipment testing equipment and sound equipment
CN112019988A (en) * 2020-07-28 2020-12-01 广州亚美智造科技有限公司 Method and device for testing audio equipment, test fixture, equipment and storage medium
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CN105163112A (en) * 2015-09-25 2015-12-16 北京奇虎科技有限公司 Test method and system for web camera
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CN107820187A (en) * 2017-10-27 2018-03-20 北京雷石天地电子技术有限公司 A kind of microphone and the detection method and system of earphone service condition
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CN109195090A (en) * 2018-09-05 2019-01-11 苏州思必驰信息科技有限公司 Test method and system for microphone electro mechanical parameter in product
CN109195089A (en) * 2018-09-05 2019-01-11 苏州思必驰信息科技有限公司 Test method and system for loudspeaker electro mechanical parameter in product
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CN110337055A (en) * 2019-08-22 2019-10-15 百度在线网络技术(北京)有限公司 Detection method, device, electronic equipment and the storage medium of speaker
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