CN110475196B - Test fixture, acoustic device test system and method - Google Patents
Test fixture, acoustic device test system and method Download PDFInfo
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- CN110475196B CN110475196B CN201910768576.5A CN201910768576A CN110475196B CN 110475196 B CN110475196 B CN 110475196B CN 201910768576 A CN201910768576 A CN 201910768576A CN 110475196 B CN110475196 B CN 110475196B
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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
Abstract
The embodiment of the invention relates to the technical field of hardware testing, and provides a testing clamp, an acoustic device testing system and an acoustic device testing method, wherein the acoustic device testing system is used for testing an acoustic device of equipment to be tested and comprises testing equipment and a testing clamp; the test fixture is used for fixing the device to be tested and plugging a sound hole of the device to be tested so as to prevent the external sound from generating interference; the test equipment is used for being in communication connection with the equipment to be tested and analyzing the test data transmitted by the equipment to be tested to obtain a test result of the acoustic device. Compared with the prior art, the embodiment of the invention can use the equipment to be tested to construct a sound insulation environment to test the acoustic device, thereby realizing good sound insulation effect with low cost.
Description
Technical Field
The embodiment of the invention relates to the technical field of hardware testing, in particular to a testing clamp, an acoustic device testing system and an acoustic device testing method.
Background
In recent years, electronic products such as mobile phones, PDAs, tablet computers, etc. are widely used in work and life of people, and meanwhile, the requirements of consumers for the quality of the products are also increasing, so that performance testing of the products before the products are shipped is an essential important link, including audio testing of the electronic products.
When carrying out audio test to electronic product, need shield external environment sound, avoid it to produce the influence to the test result, the realization of the shielded environment of present audio test mainly relies on noise insulation, for example, noise reduction box or silence case. However, the conventional sound insulation device mainly uses a metal sealed box body, and in order to achieve a good sound insulation effect, a sound absorption material needs to be attached to the surface of the metal box, and the sound absorption material is expensive and high in test cost.
Disclosure of Invention
The embodiment of the invention aims to provide a test fixture, an acoustic device test system and an acoustic device test method, which can realize a good sound insulation effect in acoustic device test at low cost.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a test fixture, where the test fixture includes a first panel and a second panel, the first panel and the second panel are disposed opposite to each other, and a sound insulation foam is disposed on the test fixture, and when a device to be tested is fixed to the first panel and the second panel, the sound insulation foam is used to block a sound hole of the device to be tested.
In a second aspect, an embodiment of the present invention further provides an acoustic device testing system, configured to test an acoustic device of a device to be tested, where the acoustic device testing system includes a testing device and a testing fixture; the test fixture is used for fixing the device to be tested and plugging a sound hole of the device to be tested so as to prevent external sound from generating interference; the testing device is used for being in communication connection with the device to be tested and analyzing the testing data transmitted by the device to be tested to obtain the testing result of the acoustic device.
Furthermore, sound insulation foam is arranged on the test fixture, and when the test fixture fixes the device to be tested, the sound insulation foam is used for plugging the sound hole of the device to be tested.
Further, the test fixture further comprises a first panel and a second panel, the first panel and the second panel are arranged oppositely, and when the first panel and the second panel are used for fixing a device to be tested, the sound insulation foam is used for blocking a sound hole of the device to be tested.
Further, the device to be tested comprises a first audio playing device and a first audio recording device, and the test data comprises first test data; the testing device is further configured to analyze first testing data transmitted by the device to be tested to obtain testing results of the first audio playing device and the first audio recording device, where the first testing data is obtained by testing the first audio playing device and the first audio recording device by the device to be tested.
Further, the device to be tested further comprises a second audio playing device and a second audio recording device, and the test data further comprises second test data; the testing device is further configured to analyze second testing data transmitted by the device to be tested to obtain testing results of the second audio playing device and the second audio recording device, where the second testing data is obtained by testing the second audio playing device and the second audio recording device by the device to be tested.
Furthermore, the first audio playing device is a loudspeaker, and the first audio recording device is a main microphone; the second audio playing device is a receiver, and the second audio recording device is an auxiliary microphone.
In a third aspect, an embodiment of the present invention further provides an acoustic device testing method, which is applied to an acoustic device testing system, where the acoustic device testing system includes a testing apparatus and a testing fixture, and the acoustic device testing method includes: fixing the device to be tested by using the test fixture and plugging the sound hole of the device to be tested; and connecting the testing equipment with the equipment to be tested in a communication manner, and analyzing the testing data transmitted by the equipment to be tested by using the testing equipment to obtain the testing result of the acoustic device.
Further, the device to be tested comprises a first audio playing device and a first audio recording device, and the test data comprises first test data; the step of analyzing the test data transmitted by the device to be tested by using the test device to obtain the test result of the acoustic device includes: and analyzing first test data transmitted by the equipment to be tested by using the test equipment to obtain test results of the first audio playing device and the first audio recording device, wherein the first test data is obtained by testing the first audio playing device and the first audio recording device by using the equipment to be tested.
Further, the device to be tested further comprises a second audio playing device and a second audio recording device, and the test data further comprises second test data; the step of analyzing the test data transmitted by the device to be tested by using the test device to obtain the test result of the acoustic device includes: and analyzing second test data transmitted by the equipment to be tested by using the test equipment to obtain test results of the second audio playing device and the second audio recording device, wherein the second test data is obtained by testing the second audio playing device and the second audio recording device by using the equipment to be tested.
Compared with the prior art, the test fixture, the acoustic device test system and the method provided by the embodiment of the invention have the advantages that when the acoustic device test system is used for testing the acoustic device of the equipment to be tested, the equipment to be tested is fixed through the test fixture and the sound hole of the equipment to be tested is blocked; and then, the equipment to be tested is in communication connection with the testing equipment, and the testing data transmitted by the equipment to be tested is analyzed by using the testing equipment to obtain a testing result of the acoustic device. Compared with the prior art, the embodiment of the invention can use the equipment to be tested to construct a sound insulation environment to test the acoustic device, thereby realizing good sound insulation effect with low cost.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a block diagram of an acoustic device testing system according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a device to be tested according to an embodiment of the present invention.
Fig. 3 shows a schematic structural diagram of an acoustic device testing system provided by an embodiment of the present invention.
Fig. 4 shows a flow chart of an acoustic device testing method provided by the embodiment of the invention.
Fig. 5 is a diagram illustrating a first application example of the acoustic device testing method according to the embodiment of the present invention.
Fig. 6 is a diagram illustrating a second application example of the acoustic device testing method according to the embodiment of the present invention.
Icon: 100-an acoustic device testing system; 110-a test fixture; 111-sound insulation foam; 120-test equipment; 112-a first panel; 113-a second panel; 200-a device to be tested; 211-a first audio playback device; 212-a first audio recording device; 221-a second audio playback device; 222-a second audio recording device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a block diagram illustrating an acoustic device testing system 100 according to an embodiment of the present invention. The acoustic device testing system 100 is used for testing an acoustic device of a device under test 200, and includes a testing jig 110 and a testing apparatus 120.
Referring to fig. 2, the acoustic device of the device under test 200 may include a first audio playing device 211, a first audio recording device 212, a second audio playing device 221, and a second audio recording device 222, where a first test loop is constructed through the first audio playing device 211 and the first audio recording device 212, and a second test loop is constructed through the second audio playing device 221 and the second audio recording device 222. In testing the acoustic device of the device under test 200, the first audio playing device 211 and the first audio recording device 212 may be tested through a first test loop, and the second audio playing device 221 and the second audio recording device 222 may be tested through a second test loop. Specifically, a fixed sound source may be played by the first audio playing device 211, and the first audio recording device 212 records the fixed sound source, so as to obtain the test results of the first audio playing device 211 and the first audio recording device 212 based on the recording; in addition, the second audio playing device 221 may play a fixed sound source, and the second audio recording device 222 may record the fixed sound source, so as to obtain the test results of the second audio playing device 221 and the second audio recording device 222 based on the recording.
As an embodiment, the first audio playing device 211 may be a speaker, and the first audio recording device 212 may be a main microphone; the second audio playing device 221 may be a handset, and the second audio recording device 222 may be a secondary microphone; the device under test 200 may be a cell phone, PDA, tablet computer, etc.
The test fixture 110 is used to fix the device under test 200 and to block the sound hole of the device under test 200 to prevent the interference of external sound. Referring to fig. 3, the test fixture 110 is provided with sound insulation foam 111, and when the test fixture 110 fixes the device to be tested 200, the sound insulation foam 111 is used to block the sound hole of the device to be tested 200, so that a sound insulation environment is constructed by the device to be tested 200 itself, and interference of external sound is prevented in the testing process of the acoustic device. The specific position and number of the sound insulation foam 111 may be flexibly set according to the position and number of the acoustic devices of the device to be tested 200 as long as it is ensured that the sound insulation foam 111 may block the sound holes of all the acoustic devices of the device to be tested 200 when the test fixture 110 fixes the device to be tested 200.
The test fixture 110 may further include a first panel 112 and a second panel 113, the first panel 112 and the second panel 113 being oppositely disposed to fix the device to be tested 200, and the soundproof foam 111 being used to block a sound hole of the device to be tested 200 when the first panel 112 and the second panel 113 fix the device to be tested 200. The sound insulation foam 111 may be disposed on the first panel 112, the second panel 113, the first panel 112 and the second panel 113, and the specific disposition is related to the position and number of the acoustic devices of the device under test 200, for example, in fig. 3, the second audio playing device 221 is close to the first panel 112, the first audio playing device 211, the first audio recording device 212 and the second audio recording device 222 are close to the second panel 113, 1 sound insulation foam 111 is disposed on the first panel 112 for blocking the sound hole of the second audio playing device 221, and 3 sound insulation foam 111 are disposed on the second panel 113 for blocking the sound holes of the first audio playing device 211, the first audio recording device 212 and the second audio recording device 222, respectively.
The testing device 120 is configured to be in communication connection with the device under test 200, and is configured to analyze the testing data transmitted by the device under test 200 to obtain a testing result of the acoustic device. As an embodiment, the testing device 120 may be communicatively connected with the device under test 200 through a connection cable, which may be a USB (Universal Serial Bus) connection cable. The test equipment 120 may be a computer, such as a desktop, laptop, etc.
Optionally, the test data may include first test data, and the test apparatus 120 is further configured to analyze the first test data transmitted by the device under test 200 to obtain test results of the first audio playing device 211 and the first audio recording device 212, where the first test data is obtained by testing the first audio playing device 211 and the first audio recording device 212 by the device under test 200; the test data may further include second test data, and the test apparatus 120 is further configured to analyze the second test data transmitted by the device under test 200 to obtain test results of the second audio playing device 221 and the second audio recording device 222, where the second test data is obtained by testing the second audio playing device 221 and the second audio recording device 222 by the device under test 200. For a specific analysis process, please refer to the following description of the embodiments of the acoustic device testing method.
Referring to fig. 4, fig. 4 is a flowchart illustrating an acoustic device testing method according to an embodiment of the present invention. The acoustic device testing method may be applied to an acoustic device testing system 100, the acoustic device testing system 100 includes a testing fixture 110 and a testing apparatus 120, and the acoustic device testing method may include the steps of:
step S101, fixing the device to be tested 200 by using the test fixture 110 and blocking the sound hole of the device to be tested 200.
In this embodiment, when testing the acoustic device of the device under test 200, first, the device under test 200 is fixed on the test fixture 110, and the sound hole of the acoustic device is blocked by the sound insulation foam 111 disposed on the test equipment 120; the testing device 120 and the device under test 200 are communicatively connected, and then the testing device 120 and the device under test 200 are started to start testing.
Step S102, communicatively connecting the testing device 120 with the device to be tested 200, and analyzing the testing data transmitted by the device to be tested 200 by using the testing device 120 to obtain a testing result of the acoustic device.
In one embodiment, the device under test 200 includes a first audio playing device 211 and a first audio recording device 212, the test data includes first test data, and the test device 120 analyzes the first test data transmitted by the device under test 200 to obtain test results of the first audio playing device 211 and the first audio recording device 212, where the first test data is obtained by testing the first audio playing device 211 and the first audio recording device 212 by the device under test 200.
Referring to fig. 5, the process of testing the first audio playing device 211 and the first audio recording device 212 may include the following steps:
in step S1, the device under test 200 receives the instruction sent by the testing device 120 to start testing.
In step S2, the first audio playing device 211 is turned on to play the first audio signal. The first audio signal may be an audio signal with a specific frequency, for example, 800Hz, and the frequency of the first audio signal may be flexibly adjusted by a tester according to actual situations, and is not limited herein.
In step S3, the first audio recording device 212 is turned on to record the audio, so as to obtain first recorded data.
In step S4, the amplitude and the frequency of the first recorded data are calculated to obtain first test data, and the first test data are transmitted to the test equipment 120. The device to be tested 200 may be installed with audio testing software, and during the testing process, the audio testing software may read the first recording data and perform amplitude and frequency calculation on the first recording data to obtain the first testing data. Optionally, since the first audio recording device 212 collects the recording data according to a certain sampling frequency during recording, the amplitude of the first recording data can be calculated according to the sampling frequency and the first recording data, and the frequency of the first recording data can be calculated through a fast fourier transform algorithm.
The fast Fourier transform algorithm is a fast calculation method of discrete Fourier transform, can convert sound from a time domain to a frequency domain, thereby calculating the frequency of the sound, has higher calculation speed, and can meet the calculation in the recording process of the device to be tested 200.
In step S5, the test equipment 120 determines whether the first test data satisfies the predetermined frequency and amplitude range. If yes, go to step S6; if less, the flow proceeds to step S7. The preset frequency and amplitude range can be flexibly set by a tester according to a specific device to be tested 200, and is not limited herein.
In step S6, the first test result is that the first audio playing device 211 and the first audio recording device 212 pass the test. If the first test data satisfies the predetermined frequency and amplitude range, it is determined that the first audio playing device 211 and the first audio recording device 212 pass the test, and the test equipment 120 may be used to display the first test data and the first test result, for example, a display of a computer.
In step S7, the first test result is that the first audio playing device 211 and the first audio recording device 212 fail to test. If the first test data does not satisfy the predetermined frequency and amplitude range, it is determined that the first audio playing device 211 and the first audio recording device 212 do not pass the test, and at this time, the test equipment 120 may be utilized to display the first test data and the first test result, for example, a display of a computer.
In another embodiment, the device under test 200 further includes a second audio playing device 221 and a second audio recording device 222, and the test data further includes second test data, and the test result of the second audio playing device 221 and the second audio recording device 222 is obtained by analyzing the second test data transmitted by the device under test 200 by using the test equipment 120, where the second test data is obtained by testing the second audio playing device 221 and the second audio recording device 222 by the device under test 200.
Referring to fig. 6, the process of testing the first audio playing device 211 and the first audio recording device 212 may include the following steps:
in step S1', the device under test 200 receives the instruction sent by the testing device 120 to start testing.
Step S2', turning on the second audio playing device 221 to play the second audio signal. The second audio signal may be an audio signal with a specific frequency, for example, 1000Hz, and the frequency of the second audio signal may be flexibly adjusted by a tester according to actual situations, and is not limited herein.
In step S3', the second audio recording device 222 is turned on to record the second audio data.
Step S4', calculating the amplitude and frequency of the second recorded data to obtain second test data, and transmitting the second test data to the test equipment 120. The device to be tested 200 may be installed with audio test software, and during the test process, the audio test software may read the second recording data and perform amplitude and frequency calculation on the second recording data to obtain second test data. Optionally, since the second audio recording device 222 collects the recording data according to a certain sampling frequency during recording, the amplitude of the second recording data can be calculated according to the sampling frequency and the second recording data, and the frequency of the second recording data can be calculated through a fast fourier transform algorithm.
In step S5', the test equipment 120 determines whether the second test data satisfies the predetermined frequency and amplitude range. If yes, go to step S6'; if less, the flow proceeds to step S7'. The preset frequency and amplitude range can be flexibly set by a tester according to a specific device to be tested 200, and is not limited herein.
In step S6', the second test result is that the second audio playing device 221 and the second audio recording device 222 pass the test. If the second test data satisfies the predetermined frequency and amplitude range, it is determined that the second audio playing device 221 and the second audio recording device 222 pass the test, and at this time, the test equipment 120 may be used to display the second test data and the second test result, for example, a display of a computer.
In step S7', the second test result is that the second audio playing device 221 and the second audio recording device 222 fail the test. If the second test data does not satisfy the predetermined frequency and amplitude range, it is determined that the second audio playing device 221 and the second audio recording device 222 fail to test, and at this time, the test equipment 120 may be used to display the second test data and the second test result, for example, a display of a computer.
At present, more and more automatic test equipment is adopted when electronic products are tested, and when the automatic test equipment is used for testing acoustic devices of the electronic products, a receiver, a loudspeaker, a main microphone and an auxiliary microphone of the electronic products need to be tested respectively. Specifically, the testing process of the handset is as follows: presetting a fixed sound source in an electronic product, controlling a receiver to play the fixed sound source through an instruction, analyzing the sound source played by the receiver through sound card equipment and judging a receiver test result; the test process of the horn is as follows: presetting a fixed sound source in an electronic product, controlling a loudspeaker to play the fixed sound source through an instruction, analyzing the sound source played by the loudspeaker through sound card equipment and judging a loudspeaker test result; the test process of the main microphone is as follows: playing a fixed sound source through a playing device, controlling a main microphone to record sound of the sound source and store a recording file, then acquiring the recording file to analyze and judging a test result of the main microphone; the test process of the auxiliary microphone is as follows: and playing a fixed sound source through the playing equipment, controlling the auxiliary microphone to record the sound source and store the recording file, and then acquiring the recording file to analyze and judge the test result of the auxiliary microphone.
According to the test process, when the acoustic device of the electronic product is tested at present, four test items of a receiver, a loudspeaker, a main microphone and an auxiliary microphone need to be tested, meanwhile, peripheral auxiliary test components such as sound card equipment or playing equipment need to be configured in the test process, the operation is complex, and a large amount of time needs to be spent. Compared with the existing testing method, the embodiment of the invention can utilize the acoustic devices of the electronic product to carry out mutual testing, thereby reducing testing items, saving testing time, simultaneously needing no peripheral auxiliary testing components and having simple operation process.
In summary, the test fixture, the acoustic device test system and the method provided by the embodiments of the present invention are provided, where the acoustic device test system is used for testing an acoustic device of a device to be tested, and includes a test device and a test fixture; the test fixture is used for fixing the device to be tested and plugging a sound hole of the device to be tested so as to prevent the external sound from generating interference; the test equipment is used for being in communication connection with the equipment to be tested and analyzing the test data transmitted by the equipment to be tested to obtain a test result of the acoustic device. Compared with the prior art, the embodiment of the invention can use the equipment to be tested to construct a sound insulation environment to test the acoustic device, thereby realizing good sound insulation effect with low cost; in addition, the acoustic devices of the electronic product can be used for mutual testing, so that test items are reduced, the test time is saved, peripheral auxiliary test components are not needed, and the operation process is simple.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (10)
1. A test fixture is characterized by comprising a first panel and a second panel, wherein the first panel and the second panel are arranged oppositely, sound insulation foam is arranged on the test fixture, and when a device to be tested is fixed on the first panel and the second panel, the sound insulation foam is used for plugging a sound hole of the device to be tested;
the acoustic device of the device to be tested comprises a first audio playing device, a first audio recording device, a second audio playing device and a second audio recording device; playing a fixed sound source by a first audio playing device, recording the fixed sound source by a first audio recording device, and obtaining test results of the first audio playing device and the first audio recording device based on the recording; and the second audio playing device plays the fixed sound source, the second audio recording device records the sound of the fixed sound source, and test results of the second audio playing device and the second audio recording device are obtained based on the sound recording.
2. An acoustic device test system is used for testing an acoustic device of equipment to be tested and is characterized by comprising test equipment and a test fixture;
the test fixture is used for fixing the device to be tested and plugging a sound hole of the device to be tested so as to prevent external sound from generating interference;
the testing equipment is used for being in communication connection with the equipment to be tested and analyzing the testing data transmitted by the equipment to be tested to obtain a testing result of the acoustic device;
the acoustic device of the device to be tested comprises a first audio playing device, a first audio recording device, a second audio playing device and a second audio recording device; playing a fixed sound source by a first audio playing device, recording the fixed sound source by a first audio recording device, and obtaining test results of the first audio playing device and the first audio recording device based on the recording; and the second audio playing device plays the fixed sound source, the second audio recording device records the sound of the fixed sound source, and test results of the second audio playing device and the second audio recording device are obtained based on the sound recording.
3. The acoustic device testing system of claim 2, wherein a soundproof foam is provided on the test jig, and when the test jig fixes the device to be tested, the soundproof foam is used to block a sound hole of the device to be tested.
4. The acoustic device testing system of claim 3, wherein the test fixture further comprises a first panel and a second panel, the first panel and the second panel being disposed opposite each other, the acoustic foam for blocking a sound hole of a device under test when the first panel and the second panel fix the device under test.
5. The acoustic device testing system of claim 2, wherein the test data comprises first test data;
the testing device is further configured to analyze first testing data transmitted by the device to be tested to obtain testing results of the first audio playing device and the first audio recording device, where the first testing data is obtained by the device to be tested in the following manner: opening the first audio playing device to play a first audio signal; opening the first audio recording device for recording to obtain first recording data; and calculating the amplitude and the frequency of the first recording data to obtain the first test data.
6. The acoustic device testing system of claim 5, wherein the test data further comprises second test data;
the testing device is further configured to analyze second testing data transmitted by the device to be tested to obtain testing results of the second audio playing device and the second audio recording device, where the second testing data is obtained by the device to be tested in the following manner: opening the second audio playing device to play a second audio signal; opening the second audio recording device for recording to obtain second recording data; and calculating the amplitude and the frequency of the second recording data to obtain the second test data.
7. The acoustic device testing system of claim 6, wherein the first audio playback device is a speaker and the first audio recording device is a primary microphone;
the second audio playing device is a receiver, and the second audio recording device is an auxiliary microphone.
8. The acoustic device testing method is characterized by being applied to an acoustic device testing system, wherein the acoustic device testing system comprises testing equipment and a testing clamp, and the acoustic device testing method comprises the following steps:
fixing the device to be tested by using the test fixture and plugging the sound hole of the device to be tested;
the testing equipment is in communication connection with the equipment to be tested, and the testing equipment is used for analyzing the testing data transmitted by the equipment to be tested to obtain a testing result of the acoustic device;
the acoustic device of the device to be tested comprises a first audio playing device, a first audio recording device, a second audio playing device and a second audio recording device; playing a fixed sound source by a first audio playing device, recording the fixed sound source by a first audio recording device, and obtaining test results of the first audio playing device and the first audio recording device based on the recording; and the second audio playing device plays the fixed sound source, the second audio recording device records the sound of the fixed sound source, and test results of the second audio playing device and the second audio recording device are obtained based on the sound recording.
9. The acoustic device testing method of claim 8, wherein the test data comprises first test data;
the step of analyzing the test data transmitted by the device to be tested by using the test device to obtain the test result of the acoustic device includes:
analyzing first test data transmitted by the equipment to be tested by using the testing equipment to obtain test results of the first audio playing device and the first audio recording device, wherein the first test data is obtained by the equipment to be tested through the following modes: opening the first audio playing device to play a first audio signal; opening the first audio recording device for recording to obtain first recording data; and calculating the amplitude and the frequency of the first recording data to obtain the first test data.
10. The acoustic device testing method of claim 8, wherein the test data further comprises second test data;
the step of analyzing the test data transmitted by the device to be tested by using the test device to obtain the test result of the acoustic device includes:
analyzing second test data transmitted by the equipment to be tested by using the testing equipment to obtain test results of the second audio playing device and the second audio recording device, wherein the second test data is obtained by the equipment to be tested through the following modes: opening the second audio playing device to play a second audio signal; opening the second audio recording device for recording to obtain second recording data; and calculating the amplitude and the frequency of the second recording data to obtain the second test data.
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| CN112019988B (en) * | 2020-07-28 | 2022-06-14 | 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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