CN113347548B - Audio system detection method and device, electronic product and storage medium - Google Patents
Audio system detection method and device, electronic product and storage medium Download PDFInfo
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- CN113347548B CN113347548B CN202110605305.5A CN202110605305A CN113347548B CN 113347548 B CN113347548 B CN 113347548B CN 202110605305 A CN202110605305 A CN 202110605305A CN 113347548 B CN113347548 B CN 113347548B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides a detection method and a detection device of an audio system, an electronic product and a storage medium, wherein the method comprises the following steps: the first sound output device connected through the first sound output interface outputs a sound signal; the microphone connected through the microphone interface collects the sound signal and outputs the sound signal to a preset detection device through a second sound output interface; receiving the voltage signal through an ADC input interface, and comparing the voltage signal with a preset threshold voltage signal; and judging whether the audio system of the electronic product meets the preset requirement or not based on the comparison result. The invention effectively solves the problems of inaccurate detection and low efficiency of the audio system.
Description
Technical Field
The present invention relates to the field of audio detection technologies, and in particular, to a method and an apparatus for detecting an audio system, an electronic product, and a storage medium.
Background
In the prior art, after audio products are produced, functions of earphones, microphones, loudspeakers and the like need to be tested, and in the traditional test, production line workers subjectively judge whether the products meet standards or not by recording the microphone and listening to the quality of sound played by the earphones and the loudspeakers. Because everyone is different to the subjective judgement of sound, and receive the noisy environment influence in the periphery easily, this kind of traditional detection mode appears leaking very easily, misjudgement to lead to the production quality to obtain the guarantee, and this kind of traditional detection mode inefficiency, consume the manpower.
Disclosure of Invention
The invention provides a detection method and device of an audio system, an electronic product and a storage medium, and aims to solve the problems of inaccurate detection and low efficiency of the audio system.
In order to achieve the above object, the present invention provides a method for detecting an audio system, which is applied to an electronic product, wherein the electronic product is provided with a first audio output interface, a second audio output interface, a microphone interface, and an ADC input interface, and the method comprises:
outputting a sound signal through a first sound output device connected with a first sound output interface, wherein the sound signal is generated when an electronic product plays an audio file;
the microphone connected through the microphone interface collects the sound signal and outputs the sound signal to a preset detection device through a second sound output interface so as to convert an audio signal output by the second sound output interface into a voltage signal through the detection device, wherein the first sound output device and the microphone are arranged in a sound insulation closed cavity;
receiving the voltage signal through an ADC input interface, and comparing the voltage signal with a preset threshold voltage signal;
and judging whether the audio system of the electronic product meets the preset requirement or not based on the comparison result.
Preferably, before the step of outputting the sound signal by the first sound output device connected through the first sound output interface, the method includes:
detecting whether the first sound output interface, the microphone interface, the second sound output interface and the ADC input interface are normally connected with a first sound input joint, a microphone joint, a second sound input joint and an ADC output joint on a preset detection device respectively;
if so, playing the audio file;
otherwise, displaying the abnormal connection of the corresponding interface.
Preferably, before the step of outputting the sound signal by the first sound output device connected through the first sound output interface, the method further comprises:
and presetting the threshold voltage according to the frequency of the played audio file, wherein the frequency of the audio file is a fixed frequency.
Preferably, after the step of determining whether the audio system of the electronic product meets the preset requirement based on the comparison result, the method includes:
and sending the judgment result to a manipulator control system for controlling the manipulator to automatically classify and place the electronic products.
The invention also provides a detection device of the audio system, which is applied to the detection method of the audio system and comprises the following steps:
a sound transmission chamber for receiving the first sound output device and the microphone to insulate the first sound output device and the microphone from sound outside the sound transmission chamber;
the filter is used for filtering redundant square waves of the audio signal output by the second audio output interface;
the half-wave rectification module is used for converting the filtered alternating current signal into a direct current signal;
the first sound input joint is connected with the first output device;
the microphone connector is connected with the microphone;
a second sound input terminal connected to the filter
And the ADC output connector is connected with the half-wave rectification module.
Preferably, the sound transmission cavity is a closed cavity structure.
Preferably, the method further comprises the following steps:
and the adjustable resistance voltage division module is used for adjusting the voltage value of the voltage signal obtained after rectification and is connected between the half-wave rectification module and the ADC output connector.
Preferably, the method further comprises the following steps:
the manipulator is used for clamping the electronic product;
and the manipulator control system drives the manipulator to clamp the electronic products for classified placement according to the judgment result.
The invention further provides an electronic product, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the detection method of the audio system when executing the computer program.
The invention also proposes a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the detection method of the audio system as described above.
The technical scheme can have the following advantages or beneficial effects: the invention provides a detection method and a device of an audio system, an electronic product and a readable storage medium, wherein an audio signal is output from a first sound output interface through the electronic product, the audio signal is sequentially transmitted to a microphone interface and a second sound output interface, and finally the audio signal output by the second sound output interface is processed and then transmitted back to the electronic product, and is compared with a preset threshold voltage to judge whether the preset requirement is met; the automatic detection function is realized, and the method is more accurate compared with a manual detection mode; and the detection of the first sound output interface, the microphone interface and the second sound output interface is to connect the three in series for synchronous detection, so that the detection efficiency is more efficient.
Drawings
Fig. 1 is a schematic diagram of a connection between an electronic product and a detection device according to an embodiment of the invention;
FIG. 2 is a flowchart illustrating a method for detecting an audio system according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a structure of an electronic product according to an embodiment of the present application;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, and may be interconnected or interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the present disclosure, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1-2, the method for detecting an audio system according to an embodiment of the present application is applied to an electronic product 2, where the electronic product is provided with a first sound output interface 21, a second sound output interface 23, a microphone interface 22, and an ADC input interface 24, and includes:
s1: the first sound output device 19 connected through the first sound output interface 21 outputs a sound signal generated by playing an audio file by the electronic product 2;
s2: the microphone 110 connected through the microphone interface 22 collects the sound signal, and outputs the sound signal to the preset detection device 1 through the second sound output interface 23, so that the audio signal output by the second sound output interface 23 is converted into a voltage signal through the detection device 1, wherein the first sound output device 19 and the microphone 110 are arranged in a sound-proof closed cavity;
s3: receiving the voltage signal through the ADC input interface 24, and comparing the voltage signal with a preset threshold voltage signal;
s4: and judging whether the audio system of the electronic product 2 meets the preset requirement or not based on the comparison result.
Correspondingly, when the first sound output interface 21 is an earphone interface, the second sound output interface 23 is a loudspeaker interface; when the second sound output interface 21 is a speaker interface, the second sound output interface 23 is an earphone interface.
In the above embodiment, the first sound output interface 21, the microphone interface 22, the second sound output interface 23, and the ADC input interface 24 of the electronic product 2 to be detected are respectively connected to the first sound input connector 12, the microphone connector 13, the second sound input connector 14, and the ADC output connector 15 of the preset detection device 1 one by one, an audio file is played through the electronic product 2 to be detected, the electronic product 2 outputs an audio signal from the first sound output interface 21, the first sound output device 19 converts the audio signal into a sound signal to be output, the sound signal output from the first sound output device 19 is input from the microphone 110 and transmitted back to the electronic product 2, and is output from the second sound output interface 23 of the electronic product 2 to the detection device 1, the detection device 1 converts the audio signal output from the second sound output interface 23 into a voltage signal through filtering, rectifying, and voltage dividing, and transmits the voltage signal to the electronic product 2 through the ADC output connector 15, compares the received voltage signal with a preset threshold voltage, and determines whether the received voltage meets a preset requirement; the automatic detection function is realized, and the method is more accurate compared with a manual detection mode; and the detection of the first sound output interface 21, the microphone interface 22 and the second sound output interface 23 is to connect the three in series for synchronous detection, so that the detection is not required to be carried out individually, and the detection efficiency is higher.
In this embodiment, in order to ensure that the sound signal output by the first sound output device 19 can be transmitted back to the microphone 110, the two devices are connected to a closed cavity; the microphone 110 is ensured to receive the sound signal output by the first sound output device 19 perfectly and accurately, and meanwhile, the influence of other external noises on sound transmission between the microphone and the first sound output device is reduced, and the transmission accuracy is ensured.
Further, before the step S1 of outputting the sound signal by the first sound output device 19 connected through the first sound output interface 21, the method includes:
s11, detecting whether the first sound output interface 21, the microphone interface 22, the second sound output interface 23 and the ADC input interface 24 are normally connected with a first sound input connector 12, a microphone connector 13, a second sound input connector 14 and an ADC output connector 15 on a preset detection device 1 respectively;
s12: if so, playing the audio file;
s13: otherwise, displaying that the corresponding interface is abnormal in connection.
In this embodiment, in order to prevent the detection result that the audio frequency is affected due to the abnormal connection of the first sound output interface 21, the microphone interface 22, the second sound output interface 23, and the ADC input interface 24, whether the first sound output interface 21, the microphone interface 22, the second sound output interface 23, and the ADC input interface 24 that pass through the automatic detection electronic product 2 are connected normally, specifically, whether the corresponding joint is connected in place is detected through the detection annular ring of each interface inner wall, as the detection connection of the common earphone interface, it can be normally performed to guarantee the detection of the audio frequency, avoid affecting the audio frequency detection result due to the connection problem, and the mode efficiency of the automatic detection is higher, and it is not necessary to manually check.
Further, before the step S1 of outputting the sound signal by the first sound output device 19 connected through the first sound output interface 21, the method includes:
s21: and presetting the threshold voltage according to the frequency of the played audio file, wherein the frequency of the audio file is a fixed frequency.
In this embodiment, the detecting person adjusts different threshold voltages according to the frequency of the played audio file, such as: when the frequency of the played audio file is 1KHZ, corresponding threshold voltage is correspondingly set.
Further, after the step S4 of determining whether the audio system of the electronic product 2 meets the preset requirement based on the comparison result, the method includes:
s41: and sending the judgment result to a manipulator control system for controlling the manipulator to automatically classify and place the electronic products.
In this embodiment, the electronic product 2 sends the determination result to the robot control system, and the robot control system controls the robot to automatically classify the electronic product 2 according to the determination result, such as: and if the judgment result of the electronic product 2 is qualified, the manipulator control system controls the manipulator to clamp the electronic product 2 and place the electronic product 2 in a qualified area, otherwise, the manipulator control system controls the manipulator to clamp the electronic product 2 and place the electronic product 2 in a fault area, and the function of automatic classification after the electronic product 2 is detected is realized.
Referring to fig. 1, a detection apparatus 1 for an audio system according to an embodiment of the present invention is applied to the detection method for an audio system, and includes:
a sound transmission chamber 11, said sound transmission chamber 11 being used for the sound-proof, sealed connection of the first sound output device 19 and the microphone 110;
a filter 16 for filtering unnecessary square waves of the audio signal output by the second audio output interface 23;
a half-wave rectification module 17, configured to convert the filtered ac signal into a dc signal;
a first sound input connector 12 connected to the first output device 19;
a microphone connector 13 connected to the microphone 110;
a second sound input connector 14 connected to the filter 16;
and the ADC output connector 15 is connected with the half-wave rectification module 17.
Specifically, the detection device 1 is a substrate structure, and the sound transmission cavity 11, the filter 16, the half-wave rectification module 17, the first sound input connector 12, the microphone connector 13, the second sound input connector 14, and the adc output connector 15 are respectively arranged on the substrate;
in this embodiment, first, a first sound output interface 21, a microphone interface 22, a second sound output interface 23, and an ADC input interface 24 of an electronic product to be detected are respectively connected to a corresponding first sound input connector 12, a corresponding microphone connector 13, a corresponding second sound input connector 14, and a corresponding ADC output connector 15 of a detection device one by one, where the sound transmission cavity 11 is used for sound insulation and sealing connection of a first sound output device 19 and a microphone 110; playing an audio file through the electronic product 2 to be detected, wherein the electronic product 2 outputs an audio signal from the first sound output interface 21, the first sound output device 19 converts the audio signal into a sound signal to be output, the sound signal output from the first sound output device 19 is input from the microphone 110 and transmitted back to the electronic product, and is output from the second sound output interface 23 of the electronic product 2 to the filter 16 of the detection device 1, and the filter 16 filters redundant square waves in the audio signal output from the second sound output interface 23; the half-wave rectification module 17 converts the filtered alternating current signal into a direct current signal, the rectified voltage signal is transmitted back to the electronic product 2 through the ADC output connector 15, and the electronic product 2 converts the voltage signal into a numerical value through the ADC, compares the numerical value with a preset threshold voltage, and determines whether the preset requirement is met; the automatic detection function is realized, and the method is more accurate compared with a manual detection mode; and the detection of the first sound output interface 21, the microphone interface 22 and the second sound output interface 23 is to connect the three in series for synchronous detection, so that the detection is not required to be carried out individually, and the detection efficiency is higher.
Further, the sound transmission cavity 11 is a sealed cavity structure, and the first sound output device 19 and the microphone 110 are disposed in the sound transmission cavity 11.
In one embodiment, the detection apparatus further includes a substrate, and the sound transmission cavity 11, the filter 16, the half-wave rectification module 17, the first sound input connector 12, the microphone connector 13, the second sound input connector 14, the ADC output connector 15, and the like are disposed on the substrate. Further, the first sound input connector 12, the microphone connector 13, the first sound output device 19 in the sound transmission chamber 11, and the signal lines of the microphone 110 are embedded in the substrate to improve the sealing of the sound transmission chamber 11.
In this embodiment, the first sound output device 19 and the microphone 110 are disposed in the sound transmission chamber 11, and sound transmission is performed in the sealed chamber of the sound transmission chamber 11, so that it is ensured that the microphone 110 can perfectly and accurately receive the sound signal of the first sound output device 19, and meanwhile, influence of other external noise on sound transmission between the two devices is reduced, and transmission accuracy is ensured.
In other embodiments, the sound transmission chamber 11 is provided with a sound insulation layer at its periphery, such as: the periphery parcel in sound transmission chamber has the sound insulation sponge, the puigging can effectively keep apart external noise, avoids external noise to influence the sound signal transmission of first sound output device 19 and microphone 110, guarantees that signal transmission is more accurate.
Further, the method also comprises the following steps:
and the adjustable resistance voltage division module 18 is used for adjusting the voltage value of the voltage signal obtained after rectification, and the adjustable resistance voltage division module 18 is connected between the half-wave rectification module 17 and the ADC output connector 15.
In this embodiment, in order to adapt to the read voltage value range of the ADC of each different electronic product, the ADC of the electronic product 2 is guaranteed to read the input voltage value by adjusting the voltage value of the rectified voltage, and the read voltage value is compared with the threshold voltage preset in the electronic product 2; thereby improving the universality of the audio detection method of the invention. The adjustable resistance voltage division module 18 adjusts the voltage value of the rectified voltage signal to a voltage value suitable for the electronic product 2, and sends the adjusted voltage signal to the electronic product 2.
Further, still include:
a manipulator for gripping the electronic product 2;
and the manipulator control system drives the manipulator to clamp the electronic products 2 for classified placement according to the judgment result.
In an embodiment, the robot control system receives the judgment result of the electronic product 2, and controls the robot to automatically classify the electronic product 2 according to the judgment result, for example: and if the judgment result is qualified, the manipulator control system controls the manipulator to clamp and place the electronic product 2 in a qualified area, otherwise, the manipulator control system controls the manipulator to place the electronic product 2 in a fault area, and the automatic classification function is realized.
Referring to fig. 3, an electronic product, which may be a server and whose internal structure may be as shown in fig. 3, is also provided in the embodiment of the present application. The electronic product includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the electronic product design is configured to provide computing and control capabilities. The memory of the electronic product comprises a storage medium and an internal memory. The storage medium stores an operating system, a computer program, and a database. The memory provides an environment for the operating system and the running of computer programs in the non-volatile storage medium. The database of the electronic product is used for storing various audio files and the like. The network interface of the electronic product is used for connecting and communicating with an external terminal through a network. The computer program may, when executed by a processor, implement the method for detecting an audio system according to any of the embodiments described above.
It will be understood by those skilled in the art that the structure shown in fig. 3 is only a block diagram of a part of the structure related to the present application, and does not constitute a limitation to the electronic product to which the present application is applied.
The embodiments of the present application further provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for detecting an audio system according to any of the embodiments above may be implemented.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware associated with instructions of a computer program, which may be stored on a non-volatile computer-readable storage medium, and when executed, may include processes of the above embodiments of the methods. Any reference to memory, storage, database or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (SSRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), rambus (Rambus) direct RAM (RDRAM), direct bused dynamic RAM (DRDRAM), and bused dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of another identical element in a process, apparatus, article, or method comprising the element.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention and the contents of the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a detection method of audio system, is applied to electronic product, is provided with first sound output interface, second sound output interface, microphone interface, ADC input interface on the electronic product, its characterized in that includes:
the detection device is provided with a first sound input joint, a microphone joint, a second sound input joint, an ADC output joint, a first sound output device and a microphone, wherein the first sound output device is connected with the first sound input joint, and the microphone is connected with the microphone joint;
connecting the first sound output interface with the first sound input connector, connecting the microphone connector with the microphone interface, connecting the second sound output interface with the second sound input connector, and connecting the ADC output connector with the ADC input interface, so that the electronic product is connected with the detection device;
detecting whether the interfaces of the electronic product and the detection device are connected normally respectively;
if yes, playing an audio file;
otherwise, displaying that the corresponding interface is abnormal in connection;
a first sound output device connected through the first sound output interface outputs a sound signal, wherein the sound signal is generated when the electronic product plays an audio file;
the microphone connected with the microphone interface is used for collecting the sound signal and outputting the sound signal to a preset detection device through a second sound output interface so as to convert the audio signal output by the second sound output interface into a voltage signal through the detection device, wherein the first sound output device and the microphone are arranged in a sound insulation closed cavity;
receiving the voltage signal through an ADC input interface, and comparing the voltage signal with a preset threshold voltage signal;
and judging whether the audio system of the electronic product meets the preset requirement or not based on the comparison result.
2. The method for detecting an audio system according to claim 1, wherein before the step of outputting the sound signal by the first sound output device connected through the first sound output interface, the method comprises:
and presetting the threshold voltage according to the frequency of the played audio file, wherein the frequency of the audio file is a fixed frequency.
3. The method for detecting an audio system according to claim 1, wherein after the step of determining whether the audio system of the electronic product meets the preset requirement based on the comparison result, the method comprises:
and sending the judgment result to a manipulator control system for controlling the manipulator to automatically classify and place the electronic products.
4. A detection apparatus for an audio system, characterized in that the detection method applied to the audio system according to any one of claims 1-3 comprises:
a sound transmission chamber for receiving the first sound output device and the microphone to insulate the first sound output device and the microphone from sound outside the sound transmission chamber;
the filter is used for filtering redundant square waves of the audio signal output by the second sound output interface;
the half-wave rectification module is used for converting the filtered alternating current signal into a direct current signal;
the first sound input joint is connected with the first sound output device;
the microphone joint is connected with the microphone;
the second sound input joint is connected with the filter;
and the ADC output connector is connected with the half-wave rectification module.
5. The detecting device for detecting the audio system according to claim 4, wherein the sound transmission cavity is a closed cavity structure.
6. The apparatus of claim 4, further comprising:
the adjustable resistance voltage division module is used for adjusting the voltage value of the voltage signal obtained after rectification and is connected between the half-wave rectification module and the ADC output connector.
7. The detecting device of the audio system according to claim 4, further comprising:
the manipulator is used for clamping the electronic product;
and the manipulator control system drives the manipulator to clamp the electronic products for classified placement according to the judgment result.
8. An electronic product comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, carries out the steps of the detection method of an audio system according to any of claims 1-3.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the detection method of an audio system according to any one of claims 1 to 3.
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| KR100585716B1 (en) * | 2003-06-07 | 2006-06-07 | 엘지전자 주식회사 | Apparatus and method for testing audio in a mobile phone |
| CN100554916C (en) * | 2006-04-28 | 2009-10-28 | 孙盈军 | A kind of method of testing of digital product and isolated plant thereof |
| CN101426167A (en) * | 2007-10-30 | 2009-05-06 | 中兴通讯股份有限公司 | Audio test system and method |
| TWI469648B (en) * | 2011-12-05 | 2015-01-11 | Inventec Corp | Audio testing system and audio testing method for under-testing device |
| CN103179496A (en) * | 2011-12-20 | 2013-06-26 | 比亚迪股份有限公司 | Audio test method and system for earphone microphone and receiver of mobile terminal |
| CN103297909B (en) * | 2013-04-23 | 2016-04-13 | 加一联创电子科技有限公司 | A kind of earphone method of testing and device |
| CN104569788B (en) * | 2015-01-13 | 2018-03-30 | 宁波麦博韦尔移动电话有限公司 | A kind of mainboard audio loop test device and method of testing |
| CN109547910B (en) * | 2019-01-03 | 2021-12-28 | 百度在线网络技术（北京）有限公司 | Electronic equipment acoustic assembly performance testing method, device, equipment and storage medium |
| CN112492453A (en) * | 2019-09-12 | 2021-03-12 | 深圳市德晟达电子科技有限公司 | Automatic detection method for audio interface |
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