CN108235215B - Wire control earphone testing device and testing circuit thereof - Google Patents
Wire control earphone testing device and testing circuit thereof Download PDFInfo
- Publication number
- CN108235215B CN108235215B CN201810222309.3A CN201810222309A CN108235215B CN 108235215 B CN108235215 B CN 108235215B CN 201810222309 A CN201810222309 A CN 201810222309A CN 108235215 B CN108235215 B CN 108235215B
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- earphone
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- usb interface
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000004088 simulation Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000005236 sound signal Effects 0.000 claims description 19
- 210000005069 ears Anatomy 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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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
Abstract
The invention discloses a wire-controlled earphone testing device and a testing circuit thereof, wherein the wire-controlled earphone testing device comprises a testing table, a USB interface, a driver used as a wire-controlled earphone driver, a simulation mouth used for emitting sound, a simulation ear used for receiving sound, a voltage and current tester used for measuring voltage and current of the wire-controlled earphone, an audio analyzer used for analyzing the voltage and current measured by the voltage and current tester, and a display screen used for displaying the wire-controlled earphone audio parameters output by the audio analyzer, wherein the computer is arranged in the testing table; the simulation nozzle, the simulation lug and the USB interface are exposed out of the middle of the upper surface of the upper cover after penetrating through the upper cover covered on the test bench. The wire-control earphone testing device provided by the invention can rapidly complete the test of the wire-control earphone audio frequency and save the tested data, thereby improving the whole testing efficiency and reducing the testing cost.
Description
Technical Field
The invention relates to the field of earphone testing, in particular to a wire-control earphone testing device and a testing circuit thereof.
Background
The headphones are a pair of conversion units that receive the electrical signals from the media player or receiver and convert them to audible sound waves using a speaker positioned proximate the ear. The headphones are typically detachable from the media player and connected by a plug. The advantage is that the sound can be listened to independently without affecting other people; meanwhile, the sound of the surrounding environment can be isolated, and the sound-absorbing device is helpful for people in noisy environments such as recording rooms, DJ, trips and sports. Headphones have been used for telephones and radios, but with the popularity of portable electronic devices, headphones are often used for mobile phones, walkman, and radios. Portable video and digital audio players, etc. The produced earphone monomer needs to detect various parameters such as frequency loudness, harmonic distortion degree and the like.
The wire control earphone testing device in the prior art has low overall testing efficiency and can not store all testing data, and is not beneficial to monitoring the quality of the wire control earphone and sharing data.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a test device for a wire-controlled earphone and a test circuit thereof, which are aimed at solving the problems of low overall test efficiency and failure to store test data in the test device for the wire-controlled earphone in the prior art.
The technical scheme of the invention is as follows:
a wire-controlled earphone testing device, wherein the wire-controlled earphone testing device comprises:
the test board is internally provided with a computer, and the computer is electrically connected with a USB interface, a driver used as a drive-by-wire earphone driver, a simulation nozzle used for emitting sound, a simulation ear used for receiving sound, a voltage and current tester used for measuring voltage and current of the drive-by-wire earphone, an audio analyzer used for analyzing the voltage and current measured by the voltage and current tester and a display screen used for displaying audio parameters of the drive-by-wire earphone output by the audio analyzer;
the simulation mouth, the simulation ear and the USB interface are exposed out of the middle of the upper surface of the upper cover after penetrating through the upper cover covered on the test table, and the display screen is arranged at the edge of the upper surface of the upper cover.
Preferably, the test device for a wire earphone, wherein the USB interface is a USB2.0 interface, a USB3.0 interface, or a Type-C interface.
Preferably, in the test device for the wire-controlled earphone, a button for controlling the on-off of the test device for the wire-controlled earphone is arranged on one side of the USB interface.
Preferably, in the test device for a wire-controlled earphone, the simulated ears are respectively provided with two left simulated ears and two right simulated ears corresponding to a left earphone monomer and a right earphone monomer of the wire-controlled earphone.
A test circuit for a headset, wherein the test circuit comprises:
the device comprises an MCU module, a storage module, a coding and decoding module, a filtering module, a signal amplifying module, an upper computer, a display module and a USB interface module;
the storage module stores digital audio signals, the upper computer sends the digital audio signals to the MCU module, the MCU module transmits the digital audio signals to the coding and decoding module, the coding and decoding module converts the digital audio signals into analog audio signals, the analog audio signals are filtered by the filtering module and amplified by the signal amplifying module and then transmitted to the earphone to be tested, and the audio of the earphone to be tested is displayed by the display module;
and the earphone to be tested is connected through a USB interface module.
Preferably, in the test circuit for a wire-controlled earphone, the USB interface module is a Type-C interface module.
Compared with the prior art, the wire control earphone testing device provided by the invention comprises the following components: the test board is internally provided with a computer, and the computer is electrically connected with a USB interface, a driver used as a drive-by-wire earphone driver, a simulation nozzle used for emitting sound, a simulation ear used for receiving sound, a voltage and current tester used for measuring voltage and current of the drive-by-wire earphone, an audio analyzer used for analyzing the voltage and current measured by the voltage and current tester and a display screen used for displaying audio parameters of the drive-by-wire earphone output by the audio analyzer; after the simulation mouth, the simulation ear and the USB interface pass through the upper cover which is covered on the test board, the middle part of the upper surface of the upper cover is exposed, and the display screen is arranged at the edge of the upper surface of the upper cover, so that the test of the earphone loudspeaker and the microphone audio can be rapidly and reliably completed, all data of each test can be stored in detail, the quality tracing and data sharing in the later period are convenient, the test efficiency is improved, and the test cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of a test device for a headset according to a preferred embodiment of the invention.
Fig. 2 is a schematic block diagram of a test device for a headset according to a preferred embodiment of the invention.
Fig. 3 is a test circuit diagram of a preferred embodiment of the earphone-by-wire test device in the present invention.
Detailed Description
The invention provides a wire-control earphone testing device and a testing circuit thereof, which are used for making the purposes, technical schemes and effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic perspective view of a preferred embodiment of a test device for a headset according to the present invention, and fig. 2 is a schematic block diagram of a preferred embodiment of a test device for a headset according to the present invention, and as shown in fig. 1 and 2, the test device for a headset according to the preferred embodiment of the present invention includes a test stand 100, a computer 200 disposed in the test stand 100, the computer 200 being electrically connected to a USB interface 201, a driver 202 as a headset driver, a simulation nozzle 300 for emitting sound, a simulation ear 400 for receiving sound, a voltage and current tester 203 for measuring voltage and current of the headset, an audio analyzer 204 for analyzing the voltage and current measured by the voltage and current tester 203, and a display screen 500 for displaying audio parameters of the headset outputted by the audio analyzer 204, respectively; the simulation nozzle 300, the simulation ear 400 and the USB interface 201 are all exposed in the middle of the upper surface of the upper cover after passing through the upper cover covered on the test stand 100, and the display screen 500 is disposed at the edge of the upper surface of the upper cover.
In the implementation, the conversation quality is a basic parameter for measuring the quality of an earphone, so that the earphone needs to be subjected to audio test before leaving the factory. In the invention, the left and right single earphone of the drive-by-wire earphone are respectively arranged on the corresponding simulation mouth 300, the microphone is arranged on the simulation ear 400, the sound received by the simulation ear 400 is analyzed by the audio analyzer 204, then the parameter output by the audio analyzer 204 is displayed by the display screen 500, and likewise, the sound sent by the simulation mouth 300 is analyzed by the drive-by-wire earphone through the audio analyzer 204, and then the parameter output by the audio analyzer 204 is displayed by the display screen 500. The display screen may display curves and data of the audio parameters, and meanwhile, the data tested each time can be stored, so that quality monitoring and data sharing are performed on the produced line control earphone.
In a further preferred embodiment of the present invention, the USB interface 201 is a USB2.0 interface, a USB3.0 interface or a Type-C interface.
The USB interface 201 may be used to connect a memory that provides a digital audio signal to the dummy nozzle 300, which is transmitted to the microphone of the headset by emitting sound through the dummy nozzle 300.
In a further preferred embodiment of the present invention, a button (not shown) for controlling the on/off of the test device of the earphone by wire is disposed on one side of the USB interface 201.
In a further preferred embodiment of the present invention, the dummy ear 400 is provided with two left dummy ears and two right dummy ears corresponding to the left earphone unit and the right earphone unit of the wire earphone, respectively.
In particular, the device for testing the wire-controlled earphone provided by the preferred embodiment of the invention can be used for testing various wire-controlled earphones.
As shown in fig. 3, in a preferred embodiment of the present invention, a test circuit of a wire-controlled earphone is provided, wherein the test circuit includes:
the device comprises an MCU module, a storage module, a coding and decoding module, a filtering module, a signal amplifying module, an upper computer, a display module and a USB interface module;
the storage module stores digital audio signals, the upper computer sends the digital audio signals to the MCU module, the MCU module transmits the digital audio signals to the coding and decoding module, the coding and decoding module converts the digital audio signals into analog audio signals, the analog audio signals are filtered by the filtering module and amplified by the signal amplifying module and then transmitted to the earphone to be tested, and the audio of the earphone to be tested is displayed by the display module;
and the earphone to be tested is connected through a USB interface module.
Preferably, in the test circuit for a wire-controlled earphone, the USB interface module is a Type-C interface module.
In summary, the test device for the earphone by wire and the test circuit thereof provided by the invention comprise: the test board is internally provided with a computer, and the computer is electrically connected with a USB interface, a driver used as a drive-by-wire earphone driver, a simulation nozzle used for emitting sound, a simulation ear used for receiving sound, a voltage and current tester used for measuring voltage and current of the drive-by-wire earphone, an audio analyzer used for analyzing the voltage and current measured by the voltage and current tester and a display screen used for displaying audio parameters of the drive-by-wire earphone output by the audio analyzer; after the simulation mouth, the simulation ear and the USB interface pass through the upper cover which is covered on the test board, the middle part of the upper surface of the upper cover is exposed, and the display screen is arranged at the edge of the upper surface of the upper cover, so that the test of the earphone loudspeaker and the microphone audio can be rapidly and reliably completed, all data of each test can be stored in detail, the quality tracing and data sharing in the later period are convenient, the test efficiency is improved, and the test cost is reduced.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A drive-by-wire earphone testing device, characterized in that the drive-by-wire earphone testing device comprises:
the test board is internally provided with a computer, and the computer is electrically connected with a USB interface, a driver used as a drive-by-wire earphone driver, a simulation nozzle used for emitting sound, a simulation ear used for receiving sound, a voltage and current tester used for measuring voltage and current of the drive-by-wire earphone, an audio analyzer used for analyzing the voltage and current measured by the voltage and current tester and a display screen used for displaying audio parameters of the drive-by-wire earphone output by the audio analyzer;
the simulation mouth, the simulation ear and the USB interface are exposed out of the middle part of the upper surface of the upper cover after penetrating through the upper cover covered on the test table, and the display screen is arranged at the edge of the upper surface of the upper cover;
wherein, drive-by-wire earphone testing arrangement still includes test circuit, test circuit includes:
the device comprises an MCU module, a storage module, a coding and decoding module, a filtering module, a signal amplifying module, an upper computer, a display module and a USB interface module;
the storage module stores digital audio signals, the upper computer sends the digital audio signals to the MCU module, the MCU module transmits the digital audio signals to the coding and decoding module, the coding and decoding module converts the digital audio signals into analog audio signals, the analog audio signals are filtered by the filtering module and amplified by the signal amplifying module and then transmitted to the earphone to be tested, and the audio of the earphone to be tested is displayed by the display module;
and the earphone to be tested is connected through a USB interface module.
2. The headset by wire test device of claim 1, wherein the USB interface is a USB2.0 interface, a USB3.0 interface, or a Type-C interface.
3. The device for testing the headset of claim 1, wherein a button for controlling the on/off of the headset testing device is arranged on one side of the USB interface.
4. The earphone-by-wire testing device of claim 1, wherein the dummy ears are provided with two dummy ears, left dummy ear and right dummy ear, respectively, with respect to a earphone-by-wire left earphone unit and a earphone-by-wire right unit.
5. The headset by wire test circuit of claim 1, wherein the USB interface module is a Type-C interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222309.3A CN108235215B (en) | 2018-03-16 | 2018-03-16 | Wire control earphone testing device and testing circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222309.3A CN108235215B (en) | 2018-03-16 | 2018-03-16 | Wire control earphone testing device and testing circuit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108235215A CN108235215A (en) | 2018-06-29 |
| CN108235215B true CN108235215B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810222309.3A Active CN108235215B (en) | 2018-03-16 | 2018-03-16 | Wire control earphone testing device and testing circuit thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144031B (en) * | 2018-08-31 | 2021-06-11 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle-mounted multimedia response steering wheel linear control function test system and method thereof |
| CN111526470A (en) * | 2020-05-16 | 2020-08-11 | 杭州爱宏仪器有限公司 | Bluetooth electroacoustic equipment measuring system based on handheld mobile terminal |
| CN114640940B (en) * | 2022-03-01 | 2023-05-16 | 深圳市百泰实业股份有限公司 | Automatic intelligent TWS Bluetooth headset testing system |
Citations (5)
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| CN103260124A (en) * | 2013-04-12 | 2013-08-21 | 惠州Tcl移动通信有限公司 | Audio testing method and system of mobile terminal |
| CN105307099A (en) * | 2015-11-11 | 2016-02-03 | 西安工程大学 | System for testing power of loudspeaker and method for testing power and low-frequency parameter |
| CN107071683A (en) * | 2017-06-22 | 2017-08-18 | 歌尔股份有限公司 | Radio communication headset detection apparatus and method |
| CN107147984A (en) * | 2017-06-19 | 2017-09-08 | 歌尔股份有限公司 | Earphone circulation frock and earphone method of testing |
| CN207854178U (en) * | 2018-03-16 | 2018-09-11 | 深圳市指南测控技术有限公司 | A kind of line control earphone test device |
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2018
- 2018-03-16 CN CN201810222309.3A patent/CN108235215B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260124A (en) * | 2013-04-12 | 2013-08-21 | 惠州Tcl移动通信有限公司 | Audio testing method and system of mobile terminal |
| CN105307099A (en) * | 2015-11-11 | 2016-02-03 | 西安工程大学 | System for testing power of loudspeaker and method for testing power and low-frequency parameter |
| CN107147984A (en) * | 2017-06-19 | 2017-09-08 | 歌尔股份有限公司 | Earphone circulation frock and earphone method of testing |
| CN107071683A (en) * | 2017-06-22 | 2017-08-18 | 歌尔股份有限公司 | Radio communication headset detection apparatus and method |
| CN207854178U (en) * | 2018-03-16 | 2018-09-11 | 深圳市指南测控技术有限公司 | A kind of line control earphone test device |
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| CN108235215A (en) | 2018-06-29 |
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