CN111405451A - Mobile phone MIC function test system - Google Patents
Mobile phone MIC function test system Download PDFInfo
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- CN111405451A CN111405451A CN202010175883.5A CN202010175883A CN111405451A CN 111405451 A CN111405451 A CN 111405451A CN 202010175883 A CN202010175883 A CN 202010175883A CN 111405451 A CN111405451 A CN 111405451A
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- computer
- mobile phone
- control module
- mcu control
- mic
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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
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Function (AREA)
Abstract
The invention relates to a mobile phone MIC function test system, which comprises: the system comprises a passive buzzer, a USB cable, a computer, an MCU control module and a drive circuit; further comprising: the passive buzzer is connected with the power amplifier circuit, the power amplifier circuit is connected with the driving circuit, the driving circuit is connected with the MCU control module, the MCU control module is connected with the computer, the computer is connected with one end of the USB cable, and the other end of the USB cable is connected with the USB interface of the tested mobile phone; the connection mode of the MCU control module and the computer is serial communication. The invention does not need to use an audio analyzer, effectively reduces the test cost, has simple and easy operation of the test method, good expandability and high compatibility with other test equipment, finally displays the test result on a computer display screen, is convenient for workers to analyze and report data after testing and reduces the workload of development and test workers.
Description
Technical Field
The invention relates to the technical field of mobile phone testing, in particular to a mobile phone MIC function testing system.
Background
With the rapid development of mobile phones, the functions of the mobile phones are gradually diversified, and the mobile phones become essential living necessities of people. Before the mobile phone leaves the factory, the mobile phone needs to be tested in order to ensure the quality of the mobile phone and ensure that the mobile phone can work normally. The mobile phone test is a very big subject, involve hardware test and software test, in every mobile phone performance test, the MIC (namely microphone) functional test of the mobile phone is very important, in the prior art, generally test the MIC function of the mobile phone by the audio frequency tester, on the premise of keeping certain distance with MIC of the mobile phone, use a loudspeaker to face MIC at first, connect power amplifier circuit and signal source with the loudspeaker, make MIC receive the sound that the loudspeaker sends out, then send it to the audio frequency analyzer to analyze, this way is poor with other apparatus compatibility, and the test equipment is expensive, cause the cost to be high.
The existing solution has the following disadvantages:
1. the conventional test method has poor compatibility with other devices, and the test device is expensive, resulting in high cost.
Disclosure of Invention
The invention aims to solve the technical problems that the traditional test method in the prior art is poor in compatibility with other equipment and high in cost due to expensive test equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the testing method of the system is simple and easy to operate, good in expandability, high in compatibility with other testing equipment, and beneficial to popularization, the system finally displays the testing result on a computer display screen, and is convenient for workers to analyze and report data after testing, and the workload of development and testing personnel is reduced.
The MIC function test system of the mobile phone comprises the following components: the system comprises a passive buzzer, a USB cable, a computer, an MCU control module and a drive circuit;
further comprising: the passive buzzer is connected with the power amplifier circuit, the power amplifier circuit is connected with the driving circuit, the driving circuit is connected with the MCU control module, the MCU control module is connected with the computer, the computer is connected with one end of the USB cable, and the other end of the USB cable is connected with the USB interface of the tested mobile phone;
the connection mode of the MCU control module and the computer is serial communication.
In the MIC function test system of the mobile phone, the passive buzzer is a sound generating source and is right opposite to an MIC device on the mobile phone to be tested.
In the MIC function test system of the mobile phone, the MCU control module is connected with the drive circuit in a serial port communication mode.
In the MIC function test system of the mobile phone, the sound frequency of the passive buzzer is a fixed frequency of 1-4 KHz.
In the MIC function test system of the mobile phone, the computer controls the MCU control module to drive the passive buzzer to make a sound through serial port communication.
In the MIC function testing system for a mobile phone according to the present invention, the MIC function testing system further includes: the computer controls the tested mobile phone to record the sound emitted by the passive buzzer through the USB cable communication.
In the MIC function test system of the mobile phone, after the mobile phone to be tested finishes recording, the recording file is transmitted to a computer through a USB cable for audio analysis.
In the MIC function testing system for the mobile phone, the passive buzzer utilizes the electromagnetic induction phenomenon, an electromagnet formed after the voice coil is connected with alternating current is attracted or repelled with a permanent magnet to push the vibrating diaphragm to sound, and direct current is connected to the voice coil and only can continuously push the vibrating diaphragm but not generate sound, and only can generate sound when the voice coil is connected or disconnected.
In the MIC function test system of the mobile phone, the MCU control module is a general single-chip microcomputer.
In the MIC function test system of the mobile phone, audio analysis software installed in a computer analyzes a recording file transmitted by the mobile phone to be tested, and an analysis result is displayed on a display screen of the computer in a chart mode.
The invention according to the scheme has the advantages that the mobile phone MIC function test system provided by the invention mainly adopts the MCU control module to be matched with a computer to complete the test of the mobile phone MIC, the test system is simple, an audio analyzer is not needed, the test cost is effectively reduced, the test method of the system is simple and easy to operate, the expandability is good, the compatibility with other test equipment is high, the popularization is facilitated, the test result is finally displayed on a computer display screen by the system, the analysis and the report of data after the test are facilitated for workers, and the workload of the development testers is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of a MIC function testing system of a mobile phone according to the present invention.
In the figure, 1, a passive buzzer; 2. a USB cable; 3. a computer; 4. an MCU control module; 5. a drive circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a system for testing MIC function of a mobile phone includes: the device comprises a passive buzzer 1, a USB cable 2, a computer 3, an MCU control module 4 and a drive circuit 5;
further comprising: the passive buzzer 1 is connected with the power amplifier circuit, the power amplifier circuit is connected with the drive circuit 5, the drive circuit 5 and the MCU control module 4 are connected with the MCU control module 4 and connected with the computer 3, the computer 3 is connected with one end of the USB cable 2, and the other end of the USB cable 2 is connected with the USB interface of the tested mobile phone 6;
the MCU control module 4 is connected with the computer 3 in a serial port communication mode.
Further, the passive buzzer 1 is a sound generating source, and the passive buzzer 1 faces the MIC device on the mobile phone 6 to be tested.
Further, the MCU control module 4 is connected to the driving circuit 5 in a serial communication manner.
Furthermore, the sound frequency of the passive buzzer 1 is a fixed frequency of 1-4 KHz.
Further, the computer 3 controls the MCU control module 4 to drive the passive buzzer 1 to make a sound through serial port communication.
Further, still include: the computer 3 controls the tested mobile phone 6 to record the sound emitted by the passive buzzer 1 through the communication of the USB cable 2.
Further, after the tested mobile phone 6 completes recording, the recording file is transmitted to the computer 3 through the USB cable 2 for audio analysis.
Furthermore, the passive buzzer 1 utilizes the electromagnetic induction phenomenon, an electromagnet formed after the voice coil is connected with the alternating current and a permanent magnet attract or repel each other to push the vibrating diaphragm to sound, and the direct current is connected to continuously push the vibrating diaphragm and cannot generate sound, and the sound can be generated only when the vibrating diaphragm is connected or disconnected.
Further, the MCU control module 4 is a general-purpose one-chip microcomputer.
Further, it is characterized in that the audio analysis software installed in the computer 3 analyzes the recording file transmitted by the tested mobile phone 6, and the analysis result is displayed on the display screen of the computer 3 in a chart manner.
Furthermore, the computer 3 controls the MCU control module 4 to drive the passive buzzer 1 to emit sound with a fixed frequency of 1-4 KHz through serial communication, then the computer 1 controls the tested mobile phone 6 to record through USB communication, after the recording is finished, the recording file is transmitted to the computer and analyzed, and finally the test result is displayed on a computer display screen in an audio curve map or graph mode, so that the observation of a worker is facilitated.
The invention provides a mobile phone MIC function test system, which mainly adopts an MCU control module to be matched with a computer to complete the test of the mobile phone MIC, has simple test system, does not need to use an audio analyzer, effectively reduces the test cost, has simple and easy operation test method, good expandability and high compatibility with other test equipment, and is favorable for popularization.
Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a cell-phone MIC functional test system which characterized in that includes: the intelligent control system comprises a passive buzzer (1), a USB cable (2), a computer (3), an MCU control module (4) and a drive circuit (5);
further comprising: the passive buzzer (1) is connected with the power amplifier circuit, the power amplifier circuit is connected with the driving circuit (5), the driving circuit (5) is connected with the MCU control module (4), the MCU control module (4) is connected with the computer (3), the computer (3) is connected with one end of the USB cable (2), and the other end of the USB cable (2) is connected with a USB interface of the tested mobile phone (6);
the MCU control module (4) is connected with the computer (3) in a serial port communication mode.
2. A MIC function test system for mobile phones according to claim 1, wherein the passive buzzer (1) is a sound generating source, and the passive buzzer (1) faces the MIC device on the mobile phone (6) to be tested.
3. The system for testing the MIC function of the mobile phone according to claim 2, wherein the MCU control module (4) is connected with the driving circuit (5) in a serial port communication manner.
4. The MIC function test system for mobile phones according to claim 1, wherein the sound frequency of the passive buzzer (1) is a fixed frequency of 1-4 KHz.
5. The MIC function test system for mobile phones according to claim 1, wherein a computer (3) controls the MCU control module (4) to drive the passive buzzer (1) to make a sound through serial communication.
6. The system for testing the MIC function of the mobile phone according to claim 5, further comprising: the computer (3) controls the tested mobile phone (6) to record the sound emitted by the passive buzzer (1) through the communication of the USB cable (2).
7. The MIC (many integrated core) function test system of the mobile phone according to claim 6, wherein after the recording of the mobile phone (6) under test is completed, the recording file is transmitted to the computer (3) through the USB cable (2) for audio analysis.
8. The MIC function testing system of claim 1, wherein the passive buzzer (1) utilizes electromagnetic induction to generate sound by attracting or repelling an electromagnet and a permanent magnet, which are formed after an alternating current is applied to a voice coil, to push a diaphragm, and direct current is applied to continuously push the diaphragm without generating sound, and only generates sound when the diaphragm is turned on or off.
9. The MIC function test system for mobile phones according to claim 1, wherein the MCU control module (4) is a general-purpose one-chip microcomputer.
10. The MIC function test system for mobile phones according to claim 7, wherein the audio analysis software installed in the computer (3) analyzes the audio file transmitted by the mobile phone (6) to be tested, and the analysis result is displayed on the display screen of the computer (3) in a graph manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175883.5A CN111405451A (en) | 2020-03-13 | 2020-03-13 | Mobile phone MIC function test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010175883.5A CN111405451A (en) | 2020-03-13 | 2020-03-13 | Mobile phone MIC function test system |
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| CN111405451A true CN111405451A (en) | 2020-07-10 |
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| CN202010175883.5A Pending CN111405451A (en) | 2020-03-13 | 2020-03-13 | Mobile phone MIC function test system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102856B4 (en) * | 2001-01-23 | 2004-02-19 | Rottländer, Benno | microphone |
| CN202634447U (en) * | 2012-06-01 | 2012-12-26 | 上海君戈网络科技有限公司 | Information exchange system based on audio frequency |
| CN204392381U (en) * | 2015-02-14 | 2015-06-10 | 重庆电子工程职业学院 | A kind of mobile phone baseband chip audio frequency signal processing function testing apparatus |
| CN109963246A (en) * | 2017-12-22 | 2019-07-02 | 北京小米移动软件有限公司 | Mike's detection method and equipment |
| CN110381431A (en) * | 2019-07-10 | 2019-10-25 | 珠海格力电器股份有限公司 | Method, device and system for testing terminal microphone |
-
2020
- 2020-03-13 CN CN202010175883.5A patent/CN111405451A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102856B4 (en) * | 2001-01-23 | 2004-02-19 | Rottländer, Benno | microphone |
| CN202634447U (en) * | 2012-06-01 | 2012-12-26 | 上海君戈网络科技有限公司 | Information exchange system based on audio frequency |
| CN204392381U (en) * | 2015-02-14 | 2015-06-10 | 重庆电子工程职业学院 | A kind of mobile phone baseband chip audio frequency signal processing function testing apparatus |
| CN109963246A (en) * | 2017-12-22 | 2019-07-02 | 北京小米移动软件有限公司 | Mike's detection method and equipment |
| CN110381431A (en) * | 2019-07-10 | 2019-10-25 | 珠海格力电器股份有限公司 | Method, device and system for testing terminal microphone |
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Address after: 518000 the first floor, second floor, third floor, fourth floor and fifth floor of 16 workshops in antuoshan high tech Industrial Park, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Mingxin testing equipment Co., Ltd Address before: Baoan District manhole Street Xinsha road Shenzhen city Guangdong province 518000 security supporting mountain High-tech Industrial Park 16 Applicant before: SHENZHEN MASON TEST EQUIPMENT Co.,Ltd. |
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Application publication date: 20200710 |