CN112019281B

CN112019281B - Audio breakthrough performance testing method, device, equipment and storage medium

Info

Publication number: CN112019281B
Application number: CN201910471620.6A
Authority: CN
Inventors: 肖疆
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2022-07-08
Anticipated expiration: 2039-05-31
Also published as: CN112019281A

Abstract

The disclosure relates to a method, a device, equipment and a storage medium for testing audio breakthrough performance, and belongs to the technical field of communication. The method comprises the following steps: transmitting a radio frequency signal to a first audio link to be tested through a vector network analyzer, and receiving a reflected signal of the radio frequency signal, wherein the first audio link is connected with the vector network analyzer; determining scattering parameter values of the radio frequency signal at a plurality of first designated frequencies according to the radio frequency signal and the reflection signal, wherein the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal; and determining the audio breakthrough performance of the first audio link according to the scattering parameter values of the radio frequency signal on the plurality of frequencies in the first audio link. The test process is simple, the test environment requirement is low, the test equipment cost is low, the audio breakthrough test cost is effectively reduced, and manpower and material resources are saved.

Description

Audio breakthrough performance testing method, device, equipment and storage medium

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a storage medium for testing audio breakthrough performance.

Background

With the development of communication technology, many communication devices have appeared. The communication quality of communication devices is also receiving increasing attention from users and manufacturers. Therefore, before the communication device is on the market, the anti-electromagnetic interference capability of the communication device needs to be tested, that is, the electromagnetic compatibility performance of the communication device needs to be tested. Only communication devices that meet national and industry standards can be successfully marketed. At present, the electromagnetic compatibility of the voice signal of the communication equipment is generally tested by an audio breakthrough performance test.

In the related art, an electromagnetic dark room or a shielding room is required to be built, and an electric field emission source in the electromagnetic dark room or the shielding room emits an electric field to form an electromagnetic field interference environment. After the complete communication equipment is installed and before the communication equipment is on the market, the communication equipment to be tested is usually placed in an electromagnetic darkroom or a shielding room, and the audio breakthrough performance test is performed on the communication equipment to be tested in the electromagnetic interference environment.

Disclosure of Invention

The utility model provides an audio frequency breakthrough performance test method, device, equipment and storage medium, can overcome audio frequency breakthrough test cost height among the correlation technique among the audio frequency breakthrough test process, complex operation, the problem that wastes time and energy, technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, there is provided an audio breakthrough performance testing method, the method including: transmitting a radio frequency signal to a first audio link to be tested, and receiving a reflected signal of the radio frequency signal, wherein the first audio link is connected with the vector network analyzer;

determining scattering parameter values of the radio frequency signal at a plurality of first designated frequencies according to the radio frequency signal and the reflection signal, wherein the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal;

determining audio breakthrough performance for the first audio link based on values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link.

In a possible implementation manner, the transmission of the radio frequency signal to the first audio link to be tested is performed at the following time: the first audio link is not assembled into the communication device.

In another possible implementation manner, the determining the audio breakthrough performance of the first audio link according to the values of the scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link includes:

determining whether a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio-frequency signal at the plurality of first designated frequencies, and determining whether a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio-frequency signal at the plurality of first designated frequencies;

determining that the audio breakthrough performance of the first audio link is not acceptable when a scattering parameter value lower than the first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when a scattering parameter value higher than the second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies;

and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not lower than the first preset scattering parameter value, and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not higher than the second preset scattering parameter value, determining that the audio breakthrough performance of the first audio link is qualified.

In another possible implementation, the first audio link includes an audio signal processing module; or, the first audio link includes an audio signal processing module and a first audio component, or the first audio link includes an audio signal processing module, a first audio component and a first switching line for connecting the first audio component and the audio signal processing module.

In another possible implementation manner, when the first audio link includes an audio signal processing module and a first audio component, after determining audio breakthrough performance of the first audio link according to scattering parameter values of the radio frequency signal at the plurality of frequencies in the first audio link, the method further includes:

determining that the first audio component matches the audio signal processing module when the audio breakthrough performance of the first audio link is acceptable.

In another possible implementation, the first audio link includes an audio signal processing module, a first audio component, and a first switching line for connecting the first audio component and the audio signal processing module;

after determining the audio breakthrough performance of the first audio link based on the values of the scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link, the method further comprises:

when the audio breakthrough performance of the first audio link is qualified, determining that the first audio component and the first patch cord are both matched with the audio signal processing module.

In another possible implementation manner, after determining the audio breakthrough performance of the first audio link according to the scattering parameter values of the radio frequency signal at the plurality of frequencies in the first audio link, the method further includes:

when the audio breakthrough performance of the first audio link is unqualified, acquiring the audio breakthrough performance of a second audio link, wherein the second audio link comprises the audio signal processing module, the first audio component and a second patch cord;

and when the audio breakthrough performance of the second audio link is qualified, determining that the audio breakthrough performance of the first switching line in the first audio link is unqualified.

when the audio breakthrough performance of the first audio link is unqualified, acquiring the audio breakthrough performance of a third audio link, wherein the third audio link comprises the audio signal processing module, a second audio component and the first switching line;

when the audio breakthrough performance of the third audio link is qualified, determining that the audio breakthrough performance of the first audio component in the first audio link is unqualified.

In another possible implementation, the first audio component comprises an audio component of an analog signal or an audio component of a digital signal.

In another possible implementation, the vector network analyzer is a single-port vector network analyzer or a multi-port vector network analyzer.

In another possible implementation manner, when the vector network analyzer is a single-port vector network analyzer, the scattering parameter value includes a scattering parameter value, where the scattering parameter value is a scattering parameter value obtained by reflecting the radio frequency signal by a scattering unit in the first audio link;

when the vector network analyzer is a multi-port vector network analyzer, the scattering parameter values include a plurality of scattering parameter values, and the plurality of scattering parameter values are scattering parameter values obtained by reflecting the radio-frequency signals by a plurality of scattering units in the first audio link.

According to a second aspect of the embodiments of the present disclosure, there is provided an audio breakthrough performance testing apparatus, which is applied to a vector network analyzer, the apparatus including:

the transmitting module is used for transmitting a radio frequency signal to a first audio link to be tested and receiving a reflected signal of the radio frequency signal, and the first audio link is connected with the vector network analyzer;

a first determining module, configured to determine scattering parameter values of the radio frequency signal at a plurality of first designated frequencies according to the radio frequency signal and the reflection signal, where the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal;

a second determining module, configured to determine audio breakthrough performance of the first audio link according to values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link.

In another possible implementation manner, the second determining module is further configured to determine whether a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first specified frequencies, and determine whether a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first specified frequencies; determining that the audio breakthrough performance of the first audio link is not acceptable when a scattering parameter value lower than the first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when a scattering parameter value higher than the second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies; determining that the audio breakthrough performance of the first audio link is qualified when no scattering parameter value lower than the first preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, and when no scattering parameter value higher than the second preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies.

In another possible implementation, the first audio link includes an audio signal processing module; or, the first audio link includes an audio signal processing module and a first audio component, or, the first audio link includes an audio signal processing module, a first audio component, and a first transfer line for connecting the first audio component and the audio signal processing module.

In another possible implementation manner, the apparatus further includes:

and the third determining module is used for determining that the first audio component is matched with the audio signal processing module when the audio breakthrough performance of the first audio link is qualified when the first audio link comprises the audio signal processing module and the first audio component.

In another possible implementation manner, the apparatus further includes:

a fourth determining module, configured to enable the first audio link to include an audio signal processing module, a first audio component, and a first switching line for connecting the first audio component and the audio signal processing module; when the audio breakthrough performance of the first audio link is qualified, determining that the first audio component and the first patch cord are both matched with the audio signal processing module.

In another possible implementation manner, the apparatus further includes:

the first acquisition module is used for acquiring the audio breakthrough performance of a second audio link when the audio breakthrough performance of the first audio link is unqualified, and the second audio link comprises the audio signal processing module, the first audio component and a second patch cord;

and the fifth determining module is used for determining that the audio breakthrough performance of the first switching line in the first audio link is unqualified when the audio breakthrough performance of the second audio link is qualified.

In another possible implementation manner, the apparatus further includes:

the second obtaining module is used for obtaining the audio breakthrough performance of a third audio link when the audio breakthrough performance of the first audio link is unqualified, and the third audio link comprises the audio signal processing module, a second audio component and the first switching line;

a sixth determining module, configured to determine that the audio breakthrough performance of the first audio component in the first audio link is not acceptable when the audio breakthrough performance of the third audio link is acceptable.

In another possible implementation manner, the vector network analyzer is a single-port vector network analyzer or a multi-port vector network analyzer.

In another possible implementation manner, when the vector network analyzer is a single-port vector network analyzer, the scattering parameter value includes a scattering parameter value, and the scattering parameter value is a scattering parameter value obtained by reflecting the radio frequency signal by a scattering unit in the first audio link;

According to a third aspect of embodiments of the present disclosure, there is provided a vector network analyzer comprising:

one or more processors;

volatile or non-volatile memory for storing the one or more processor-executable instructions;

wherein the one or more processors are configured to:

transmitting a radio frequency signal to a first audio link to be tested, and receiving a reflected signal of the radio frequency signal, wherein the first audio link is connected with the vector network analyzer;

According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having at least one instruction stored therein, the instruction being loaded and executed by a processor to implement the operations executed in the audio breakthrough performance testing method according to the first aspect of the embodiments of the present disclosure.

The beneficial effect that technical scheme that this disclosure embodiment provided brought includes at least:

in the embodiment of the disclosure, a radio frequency signal is sent to an audio link to be tested through a vector network analyzer, a reflection signal reflected by the audio link to be tested is received, a scattering parameter value of the audio link to be tested is determined through the radio frequency signal and the reflection signal, and audio breakthrough performance of the audio link to be tested is determined according to the scattering parameter value.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic diagram illustrating a system architecture involved in audio breakthrough performance testing according to an example embodiment;

FIG. 2 is a flow diagram illustrating a method for audio breakthrough performance testing in accordance with an exemplary embodiment;

FIG. 3 is a flow diagram illustrating a method for audio breakthrough performance testing in accordance with an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating a patch cord in accordance with an exemplary embodiment;

FIG. 5 is a diagram illustrating audio breakthrough performance test results according to an exemplary embodiment;

FIG. 6 is a diagram illustrating audio breakthrough performance test results in accordance with an exemplary embodiment;

FIG. 7 is a diagram illustrating audio breakthrough performance test results in accordance with an exemplary embodiment;

FIG. 8 is a schematic diagram illustrating an exemplary embodiment of an audio breakthrough performance testing apparatus;

FIG. 9 is a block diagram illustrating a vector network analyzer, according to an exemplary embodiment.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the disclosure, as detailed in the appended claims.

Fig. 1 is a schematic diagram illustrating a system architecture involved in an audio breakthrough performance testing method according to an exemplary embodiment. The system architecture includes: a vector network analyzer 101 and a first audio link 102 to be tested. The first audio link 102 is connected to a port of the vector network analyzer 101, the vector network analyzer 101 sends a radio frequency signal to the first audio link 102 through the port, the radio frequency signal is reflected in a scattering unit of the first audio link 102 to obtain a scattering parameter value, and the audio breakthrough characteristic of the first audio link 102 is determined according to the scattering parameter value. Wherein the first audio link 102 is an audio link before being assembled into the communication device, and when the value of the scattering parameter of the first audio link 102 meets the criterion, the audio breakthrough performance test of the first audio link 102 is determined to be qualified.

By testing the scattering parameter value of the scattering parameter S of the first audio link 102, an audio breakthrough performance test is performed on the first audio link 102. Wherein the scattering parameters S include: a reverse transmission coefficient S12, a forward transmission coefficient S21, an input reflection coefficient S11, and an output reflection coefficient S22. According to the antenna radiation reciprocity principle, the anti-electromagnetic interference performance of the first audio link 102 for receiving the audio signal is the same as the anti-electromagnetic interference performance of the communication device for transmitting the audio signal, and therefore, the RS (Radiated immunity) test and the CS (Conducted immunity) test are performed on the first audio link 102 only by measuring the anti-electromagnetic interference performance of the first audio link 102 for receiving the audio signal, so that the anti-electromagnetic interference performance of the first audio link 102 in any frequency band can be determined. Thus, in the disclosed embodiment, the audio breakthrough performance test of the first audio link 102 may be detected based only on the input reflection coefficient S11 of the first audio link 102. The reflected signal reflected by the first audio link 102 is received by inputting a radio frequency signal to the first audio link 102, the input reflection coefficient S11 of the first audio link 102 is determined by the radio frequency signal and the reflected signal, and further the input return loss of the first audio link 102 is determined, and the RS performance and the CS performance of the first audio link 102 are determined according to the input return loss. The frequency band may be a low frequency band or a high frequency band, and in the embodiment of the present disclosure, the frequency band is not specifically limited, for example, the frequency band may be 80MHz to 2.7 GHz. The vector network analyzer 101 is used for testing the scattering parameter value of the first audio link 102 to be tested, and the impedance characteristic of the first audio link 102 is known through the scattering parameter value of the first audio link 102, so that the audio breakthrough performance test of the first audio link 102 is determined.

The first audio link 102 may only include an audio signal processing module, may also include an audio signal processing module and a first audio component, and may also include an audio signal processing module, a first audio component, and a first transfer line. When the first audio link 102 includes only an audio signal processing module, the audio signal processing module may be determined to be eligible for audio breakthrough performance when the audio link is determined to be eligible for audio breakthrough performance; when the first audio link 102 includes an audio signal processing module and a first audio component, or the first audio link 102 includes an audio signal processing module, a first audio component and a first switching line, when it is determined that the audio breakthrough of the audio link is qualified, it may be determined that the audio breakthrough performance of the audio signal processing module and the first audio component is qualified, and the audio component is an audio component matched with the audio processing module; or it may be determined that the audio signal processing module, the first audio component, and the first patch cord are audio breakthrough performance-qualified, and that the first audio component and the first patch cord are a first audio component and a first patch cord that matches the audio processing module.

Fig. 2 is a flow chart illustrating a method according to an embodiment of the present disclosure, referring to fig. 2, the method comprising the steps of:

in step S201, a radio frequency signal is transmitted to a first audio link to be tested, and a reflected signal of the radio frequency signal is received, where the first audio link is connected to the vector network analyzer.

In step S202, scattering parameter values of the rf signal at a plurality of first designated frequencies are determined according to the rf signal and the reflected signal, where the plurality of first designated frequencies are a plurality of frequencies of the rf signal.

In step S203, the audio breakthrough performance of the first audio link is determined according to the scattering parameter values of the radio frequency signal at the plurality of frequencies in the first audio link.

In one possible implementation manner, the transmission of the radio frequency signal to the first audio link to be tested is performed at the following time: the first audio link is not assembled into the communication device.

In another possible implementation manner, the determining the audio breakthrough performance of the first audio link according to the scattering parameter values of the radio frequency signal at the plurality of frequencies in the first audio link includes:

determining that the audio breakthrough performance of the first audio link is not qualified when a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies;

and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not lower than a first preset scattering parameter value, and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not higher than a second preset scattering parameter value, determining that the audio breakthrough performance of the first audio link is qualified.

In another possible implementation, the first audio link includes an audio signal processing module; alternatively, the first audio link comprises an audio signal processing module and a first audio component, or the first audio link comprises an audio signal processing module, a first audio component and a first switching line for connecting the first audio component and the audio signal processing module.

when the audio breakthrough performance of the first audio link is qualified, determining that the first audio component is matched with the audio signal processing module.

In another possible implementation, the first audio link includes an audio signal processing module, a first audio component, and a first transition line for connecting the first audio component and the audio signal processing module;

and when the audio breakthrough performance of the first audio link is qualified, determining that the first audio component and the first transfer line are matched with the audio signal processing module.

and when the audio breakthrough performance of the second audio link is qualified, determining the audio breakthrough performance of the first switching line in the first audio link as unqualified.

and when the audio breakthrough performance of the third audio link is qualified, determining the audio breakthrough performance of the first audio component in the first audio link to be unqualified.

when the vector network analyzer is a multi-port vector network analyzer, the scattering parameter values include a plurality of scattering parameter values, and the plurality of scattering parameter values are scattering parameter values obtained by reflecting the radio-frequency signal by a plurality of scattering units in the first audio link.

Fig. 3 is a flowchart illustrating a method for audio breakthrough performance testing according to an embodiment of the disclosure, and referring to fig. 3, the method includes the following steps:

in step S301, a vector network analyzer transmits a radio frequency signal to a first audio link to be tested, and receives a reflected signal of the radio frequency signal, where the first audio link is connected to the vector network analyzer.

Before this step, the vector network analyzer obtains characteristics of the radio frequency signal, the characteristics of the radio frequency signal including: a plurality of specified frequencies, amplitudes, waveforms, etc. The designated frequency, amplitude and waveform of the radio frequency signal may be set and changed as needed, and in the embodiment of the present disclosure, the designated frequency, amplitude and waveform of the radio frequency signal are not specifically limited. For example, the specified frequency of the rf signal may be 100MHz, 200MHz, or 500MHz, the amplitude of the rf signal may be 0.5V, 1V, or 2V, and the waveform of the rf signal may be a square wave or a sine wave. Then in one possible implementation the radio frequency signal may be a sine wave of 0.5V amplitude at specified frequencies of 100MHz and 150 MHz.

It should be noted that the specific frequency may be a discontinuous specific frequency point, for example, 500MHz, 1000MHz, or the like, and the specific frequency may also be a specific frequency range, for example, the specific frequency range is 500MHz-1000MHz, or the like.

The port of the vector network analyzer is connected with the first audio link, and transmits a radio frequency signal into the first audio link through the port and receives a reflected signal of the transmitted signal reflected by the first audio link. The vector network analyzer is a single-port vector network analyzer or a multi-port vector network analyzer.

The first audio link includes an audio signal processing module; alternatively, the first audio link comprises an audio signal processing module and a first audio component, or the first audio link comprises an audio signal processing module, a first audio component and a first patch cord.

Wherein the audio signal processing module is a module for receiving or sending an audio signal in the communication device, in a possible implementation manner, the audio processing module may be a PCB (Printed Circuit Board), the first audio component may be an audio receiver such as an earphone, and the first audio component is connected to the audio processing module or a first patch cord through an audio interface, where the audio interface may be a C-type Universal Serial Bus (USB) interface, a 3.5mm audio interface, and other related interfaces, the first patch cord is a patch cord for connecting the audio signal processing module and the first audio component, and the first patch cord may be any type of patch cord, for example, a patch cord from a type C interface to a 3.5mm audio interface, a patch cord from a USB interface to a 3.5mm audio interface, and the like, as shown in fig. 4, fig. 4 is a schematic diagram of a patch cord from a type C interface to a 3.5mm audio interface.

It should be noted that, in the embodiment of the present disclosure, the execution time of transmitting the radio frequency signal to the first audio link to be tested is: the first audio link is not assembled in front of the communication device. Namely, the first audio link is an audio link before the communication equipment does not complete the installation of the whole machine. The audio breakthrough performance test is completed on the audio link of the communication equipment before the installation of the whole machine is completed, and related components are screened, so that the influence of a research and development flow is avoided, the risk of delayed marketing of the whole machine is reduced, and the test efficiency is improved.

It should be noted that, in the embodiment of the present disclosure, the first audio component includes an audio component of an analog signal or an audio component of a digital signal. The audio component audio breakthrough performance of the analog signal can be tested, and the audio component audio breakthrough performance of the digital signal can also be tested without being influenced by the type of the audio component.

In step S302, the vector network analyzer determines scattering parameter values of the rf signal at a plurality of first designated frequencies according to the rf signal and the reflected signal, where the plurality of first designated frequencies are a plurality of frequencies of the rf signal.

Correspondingly, when the vector network analyzer is a single-port vector network analyzer, the scattering parameter value comprises a scattering parameter value, and the scattering parameter value is a scattering parameter value obtained by reflecting the radio-frequency signal by a scattering unit in the first audio link;

when the vector network analyzer is a multi-port vector network analyzer, the scattering parameter values include a plurality of scattering parameter values, and the scattering parameter values are scattering parameter values obtained by reflecting the radio-frequency signals by a plurality of scattering units in the first audio link.

The first audio link includes a plurality of scattering units, which may be a left channel unit, a right channel unit, a microphone unit, a ground unit, and the like.

When the audio breakthrough performance test is performed, the audio breakthrough performance test needs to be performed on each scattering unit in the first audio link. Therefore, when the vector network analyzer is used to perform an audio breakthrough performance test on the first audio link, it is necessary to send radio frequency signals to the left channel unit, the right channel unit, the microphone unit, and the grounding unit of the first audio link for testing.

In a possible implementation manner, a single-port network analyzer is used to sequentially measure scattering parameter values of a left channel unit, a right channel unit, a microphone unit and a grounding unit in a first audio link, and accordingly, the process can be implemented by the following steps (1) to (4), including:

(1) the single-port vector network analyzer sends radio-frequency signals to the left sound channel unit, and the left sound channel unit is connected with a port of the single-port vector network analyzer and receives reflected signals reflected by the left sound channel unit.

The port of the single-port vector network analyzer is connected with a left sound channel unit of a first audio link, a radio frequency signal is sent to the left sound channel unit, after a reflection signal reflected by the left sound channel unit is received, the reflection signal is recorded, the connection with the left sound channel unit is disconnected, the next unit to be tested is reconnected, and a scattering parameter value of the left sound channel unit is determined according to the radio frequency signal and the reflection signal.

(2) The single-port vector network analyzer sends radio frequency signals to the right sound channel unit, and the right sound channel unit is connected with a port of the single-port vector network analyzer and receives reflected signals reflected by the right sound channel unit.

The port of the single-port network vector analyzer is connected with a right channel unit of the first audio link, a radio frequency signal is sent to the right channel unit, after a reflection signal reflected by the right channel unit is received, the reflection signal is recorded, the connection with the right channel unit is disconnected, the next unit to be tested is reconnected, and a scattering parameter value of the right channel unit is determined according to the radio frequency signal and the reflection signal.

(3) The single-port vector network analyzer sends radio frequency signals to the microphone unit, and the microphone unit is connected with a port of the single-port vector network analyzer and receives reflected signals reflected by the microphone unit.

The port of the single-port network vector analyzer is connected with a microphone unit of a first audio link, a radio frequency signal is sent to the microphone unit, after a reflection signal reflected by the microphone unit is received, the reflection signal is recorded, the connection with the microphone unit is disconnected, the next unit to be tested is reconnected, and a scattering parameter value of the microphone unit is determined according to the radio frequency signal and the reflection signal.

(4) The single-port vector network analyzer sends radio frequency signals to the grounding unit, and the grounding unit is connected with a port of the single-port vector network analyzer and receives reflected signals reflected by the grounding unit.

The port of the single-port network vector analyzer is connected with the grounding unit of the first audio link, a radio frequency signal is sent to the grounding point unit, after a reflected signal reflected by the grounding unit is received, the reflected signal is recorded, the connection with the grounding unit is disconnected, and a scattering parameter value of the grounding unit is determined according to the radio frequency signal and the reflected signal.

It should be noted that the vector network analyzer may determine the scattering parameter value through scattering parameter values of a plurality of scattering units, in one possible implementation manner, the scattering parameter value may be a scattering parameter value of any one of the four scattering units, in another possible implementation manner, the scattering parameter value may be a largest scattering parameter value among the scattering parameter values of the four scattering units, and in the embodiment of the present disclosure, the determination manner of the scattering parameter value is not specifically limited.

It should be noted that, during the test, the scattering parameter values of the left channel unit, the right channel unit, the microphone unit, and the ground unit of the first audio link may be tested according to the above test sequence, and the first parameter values of the left channel unit, the right channel unit, the microphone unit, and the ground unit of the first audio link may also be tested according to other sequences. For example, the audio breakthrough performance test may be performed in the order of the right channel unit, the left channel unit, the microphone unit, and the ground unit; the audio breakthrough performance test can also be performed in the order of the microphone unit, the right channel unit, the left channel unit and the grounding unit.

In another possible implementation, a multiport network analyzer is used to simultaneously measure scattering parameter values for the left channel unit, the right channel unit, the microphone unit, and the ground unit in the first audio link. When the vector network analyzer is a multi-port vector network analyzer, the multi-port vector network analyzer can simultaneously test scattering parameter values of a left channel unit, a right channel unit, a microphone unit and a ground unit in the first audio link, and accordingly, the process of testing by the multi-port vector network analyzer can be realized by the following steps (1) - (2), including:

(1) the multi-port network analyzer sends radio frequency signals to the left sound channel unit, the right sound channel unit, the microphone unit and the grounding unit, the left sound channel unit is connected with a first port of the multi-port vector network analyzer, the right sound channel unit is connected with a second port of the multi-port vector network analyzer, the microphone unit is connected with a third port of the multi-port vector network analyzer, and the grounding unit is connected with a fourth port of the multi-port vector network analyzer.

It should be noted that, in the embodiment of the present disclosure, the connection order of the left channel unit, the right channel unit, the microphone unit, and the grounding unit to the plurality of ports of the multi-port network analyzer of the multi-port vector network analyzer is not particularly limited, for example, the connection order may be that the right channel unit is connected to the first port of the multi-port vector network analyzer, the microphone unit is connected to the second port of the multi-port vector network analyzer, the left channel unit is connected to the third port of the multi-port vector network analyzer, and the grounding unit is connected to the fourth port of the multi-port vector network analyzer.

(2) Receiving a plurality of reflection signals reflected by the left channel unit, the right channel unit, the microphone unit and the grounding unit, determining a plurality of scattering parameter values according to the plurality of reflection signals, and determining the scattering parameter values according to the plurality of scattering parameter values.

In step S303, the vector network analyzer determines whether a scattering parameter value lower than a first preset scattering parameter value exists among scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, and determines whether a scattering parameter value higher than a second preset scattering parameter value exists among scattering parameter values of the radio frequency signal at the plurality of first designated frequencies.

The first preset scattering parameter value is smaller than the second preset scattering parameter value, and the first preset scattering parameter value and the second preset scattering parameter value may be set and changed as needed, and in the embodiment of the present disclosure, the first preset scattering parameter value and the second preset scattering parameter value are not specifically limited, for example, the first preset parameter may be-30 DB, -32DB, or-35 DB, and the second preset scattering parameter value may be-5 DB, -4DB, or-2 DB, and the like.

In another possible implementation manner, the vector network analyzer may further determine whether the audio breakthrough performance of the first audio link is qualified according to a difference between a maximum scattering parameter value and a minimum scattering parameter value among the scattering parameter values, determine that the audio breakthrough performance of the first audio link is qualified when the difference is smaller than a preset difference, and determine that the audio breakthrough performance of the first audio link is unqualified when the difference is not smaller than the preset difference. The preset difference value may be set and changed as needed, and in the embodiment of the present disclosure, the size of the preset difference value is not particularly limited, for example, the preset difference value may be 5DB or 10DB, and the like.

In step S304, when there is a scattering parameter value lower than a first preset scattering parameter value in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when there is a scattering parameter value higher than a second preset scattering parameter value in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, the vector network analyzer determines that the audio breakthrough performance of the first audio link is not qualified.

Since the first audio link comprises an audio signal processing module; alternatively, the first audio link comprises an audio signal processing module and a first audio component, or the first audio link comprises an audio signal processing module, a first audio component and a first switching line for connecting the first audio component and the audio signal processing module.

In a possible implementation manner, the first audio link includes an audio signal processing module, and when the vector network analyzer determines that the audio breakthrough performance of the first audio link is not satisfactory, it determines that the audio breakthrough performance of the audio signal processing module is not satisfactory. The skilled person needs to improve the audio processing module in the first audio link, and then perform the audio breakthrough performance test. In the implementation mode, the audio breakthrough performance test is directly carried out on the audio signal processing module, so that a user can test the audio breakthrough performance of the audio signal processing module in the communication equipment through simple equipment, the test cost is reduced, the operation is simple, and manpower and material resources are saved.

In another possible implementation manner, the first audio link includes an audio signal processing module and a first audio component, when the vector network analyzer determines that the audio breakthrough performance of the first audio link is not satisfactory, it determines that the audio breakthrough test of the first audio component or the audio signal processing module is not satisfactory, the first audio component is replaced, the audio breakthrough performance test is continuously performed on the first audio link, and after the first audio is replaced for multiple times, the audio breakthrough performance of the first audio link is still not satisfactory, it is determined that the audio breakthrough performance of the audio processing module in the first audio link is not satisfactory, and a relevant technician needs to improve the audio processing module in the first audio link, and then perform the audio breakthrough performance test; and after the first audio component is replaced, determining that the audio breakthrough performance of the first audio link is qualified, determining that the audio breakthrough performance of the first audio component before replacement is unqualified, and not matching the first audio component before replacement with the audio signal processing module. In the implementation mode, the first audio link matched with the audio signal processing module can be quickly screened out by a user through a simple operation process by testing the audio signal processing module and the first audio component.

In another possible implementation manner, the first audio link includes an audio signal processing module, a first audio component, and a first transfer line for connecting the first audio component and the audio signal processing module, and when the vector network analyzer determines that the audio breakthrough performance of the first audio link is not satisfactory, it determines that the audio breakthrough test of the first audio component or the first transfer line is not satisfactory, and the first audio component or the first transfer line is not matched with the audio signal processing module. And respectively replacing the first switching wire or the first audio component in the first audio link, and carrying out audio breakthrough performance test again.

In a first implementation manner, a first patch cord in a first audio link is replaced for testing, and the method is implemented by the following steps:

(1) the vector network analyzer obtains audio breakthrough performance of a second audio link, wherein the second audio link comprises the audio signal processing module, the first audio component and a second patch cord.

(2) And when the audio breakthrough performance of the second audio link is qualified, the vector network analyzer determines that the audio breakthrough performance of the first switching line in the first audio link is unqualified.

In a possible implementation manner, after the first patch cord is replaced by the second patch cord, the audio breakthrough performance of the second audio link is qualified, which indicates that the audio breakthrough performance of the audio signal processing module, the first audio component and the second patch cord is qualified, the first audio component and the second patch cord are matched with the audio signal processing module, which further indicates that the audio breakthrough performance of the first patch cord is unqualified, and the first patch cord is not matched with the audio signal processing module.

In another possible implementation manner, after the first patch cord is replaced by a second patch cord, the audio breakthrough performance of the second audio link is still unqualified, and after the second patch cord is changed for multiple times, the new audio breakthrough performance of the audio link is unqualified, and if the audio breakthrough performance of the audio signal processing module in the first audio link is determined to be qualified, the audio breakthrough performance of the first audio component is determined to be unqualified; if the audio breakthrough performance of the audio signal processing module in the first audio link is not determined to be qualified, determining that the audio breakthrough performance test of the audio signal processing module and/or the first audio component in the first audio link is unqualified, then replacing the second patch cord, replacing the first audio component, and after replacing the first audio component, the audio breakthrough performance test of the second audio link is qualified, the audio breakthrough performance of the first audio component before replacement is determined to be not acceptable, as shown in fig. 5, fig. 5 is a corresponding relationship between the value of the scattering parameter obtained by replacing the first audio component under a first transfer line and the designated frequency, and it can be seen from fig. 5 that only the curve 1 has no fluctuation of resonance at all, the audio breakthrough test is acceptable, and the other three relative audio signals have the risk of failing to break through the performance, so the audio component corresponding to the curve 1 is the audio component matched with the audio signal processing module and the first switching line.

Through the embodiment, the first audio component matched with the audio signal processing module can be quickly screened out while the audio breakthrough performance of the audio signal processing module is tested.

In a second implementation manner, a first audio component in a first audio link is replaced for testing, and the method is implemented by the following steps:

(1) the vector network analyzer obtains audio breakthrough performance of a third audio link, wherein the third audio link comprises the audio signal processing module, a second audio component and the first switching line.

(2) When the audio breakthrough performance of the third audio link is qualified, the vector network analyzer determines that the audio breakthrough performance of the first audio component in the first audio link is unqualified.

In a possible implementation manner, after the first audio component is replaced by the second audio component, the audio breakthrough performance of the third audio link is qualified, which indicates that the audio breakthrough performance of the audio signal processing module, the second audio component and the first patch cord is qualified, the second audio component and the first patch cord are matched with the audio signal processing module, which further indicates that the audio breakthrough performance of the first audio component is unqualified, and the first audio component is not matched with the audio signal processing module.

In another possible implementation manner, after the first audio component is replaced by the second audio component, the audio breakthrough performance of the third audio link is still unqualified, and after the second audio component is changed for many times, the new audio breakthrough performance of the audio link is unqualified, and if the audio breakthrough performance of the audio signal processing module in the first audio link is determined to be qualified, the audio breakthrough performance of the first switching line is determined to be unqualified; if the audio breakthrough performance of the audio signal processing module in the first audio link is not determined to be qualified, determining that the audio breakthrough performance test of the audio signal processing module and/or the first switching wire in the first audio link is unqualified, then replacing the second audio component, replacing the first switching wire, and after the first switching wire is replaced, determining that the audio breakthrough performance of the first switching wire before replacement is unqualified, as shown in fig. 6, fig. 6 is a corresponding relation between a scattering parameter value obtained by replacing the first switching wire under the first audio component and a designated frequency, and it can be seen from fig. 6 that after any audio component is connected with the switching wire, resonance can be generated in a low-frequency band, so the audio breakthrough performance test of the switching wire is unqualified.

Through the embodiment, the first switching line matched with the audio signal processing module can be quickly screened out while the audio breakthrough performance of the audio signal processing module is tested.

When the audio breakthrough performance test of the first audio link is not qualified after the first audio component is replaced, determining that the audio breakthrough performance test of the first audio link is not qualified

In step S305, when there is no scattering parameter value lower than a first preset scattering parameter value in the scattering parameter values of the radio frequency signal at the first designated frequencies, and when there is no scattering parameter value higher than a second preset scattering parameter value in the scattering parameter values of the radio frequency signal at the first designated frequencies, the vector network analyzer determines that the audio breakthrough performance of the first audio link is qualified.

In a possible implementation manner, the first audio link includes an audio signal processing module, and when the vector network analyzer determines that the audio breakthrough performance of the first audio link is qualified, it determines that the audio breakthrough performance of the audio signal processing module in the first audio link is qualified. In the implementation mode, the audio breakthrough performance test is directly carried out on the audio signal processing module, so that a user can test the audio breakthrough performance of the audio signal processing module in the communication equipment through simple equipment, the test cost is reduced, the operation is simple, and manpower and material resources are saved.

In another possible implementation, the first audio link includes an audio signal processing module and a first audio component, and when the vector network analyzer determines that the audio breakthrough performance of the first audio link is qualified, the first audio component is determined to be matched with the audio signal processing module.

In another possible implementation manner, the first audio link includes an audio signal processing module, a first audio component, and a first switching line for connecting the first audio component and the audio signal processing module, and when the vector network analyzer determines that the audio breakthrough performance of the first audio link is qualified, it is determined that both the first audio component and the first switching line are matched with the audio signal processing module. As shown in fig. 7, fig. 7 is a corresponding relationship between the value of the scattering parameter and the designated frequency when both the patch cord and the first audio component are mated with the audio signal processing module.

Furthermore, in the embodiment of the present disclosure, the audio signal processing module of the communication device is subjected to the audio breakthrough performance test before the complete set of equipment is installed, so that the audio breakthrough performance test is not limited by the research and development process, and the risk of delay in the communication device appearing on the market is further reduced.

Furthermore, in the embodiment of the present disclosure, the audio component and the patch cord are connected while the audio signal processing module is tested, so that the audio component and the patch cord matched with the audio signal processing module can be quickly screened out while the audio breakthrough performance of the audio signal processing module is tested.

Fig. 8 is a schematic structural diagram illustrating an audio breakthrough performance testing apparatus according to an exemplary embodiment. For executing the steps executed by the vector network analyzer in the audio breakthrough performance testing method, as shown in fig. 8, the audio breakthrough performance testing apparatus includes:

a transmitting module 801, configured to transmit a radio frequency signal to a first audio link to be tested, and receive a reflected signal of the radio frequency signal, where the first audio link is connected to the vector network analyzer;

a first determining module 802, configured to determine, according to the radio frequency signal and the reflected signal, scattering parameter values of the radio frequency signal at a plurality of first designated frequencies, where the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal;

a second determining module 803, configured to determine the audio breakthrough performance of the first audio link according to the values of the scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link.

In another possible implementation manner, the second determining module 803 is further configured to determine whether a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first specified frequencies, and determine whether a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first specified frequencies; determining that the audio breakthrough performance of the first audio link is not qualified when a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies; and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not lower than a first preset scattering parameter value, and when the scattering parameter value of the radio-frequency signal on the plurality of first designated frequencies is not higher than a second preset scattering parameter value, determining that the audio breakthrough performance of the first audio link is qualified.

In another possible implementation manner, the apparatus further includes:

a fourth determining module for the first audio link comprising an audio signal processing module, a first audio component and a first transition line for connecting the first audio component and the audio signal processing module; and when the audio breakthrough performance of the first audio link is qualified, determining that the first audio component and the first junction line are matched with the audio signal processing module.

In another possible implementation manner, the apparatus further includes:

and the sixth determining module is used for determining that the audio breakthrough performance of the first audio component in the first audio link is unqualified when the audio breakthrough performance of the third audio link is qualified.

It should be noted that: in the audio breakthrough performance testing apparatus provided in the above embodiment, only the division of the functional modules is illustrated in the audio breakthrough performance testing, and in practical applications, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the apparatus is divided into different functional modules to complete all or part of the functions described above. In addition, the audio breakthrough performance testing device provided by the embodiment and the audio breakthrough performance testing method embodiment belong to the same concept, and the specific implementation process is detailed in the method embodiment and is not described herein again.

FIG. 9 is a block diagram illustrating a vector network analyzer 900 according to an exemplary embodiment. For example, the vector network analyzer 900 may be a single-port vector network analyzer or a multi-port network vector analyzer, or the like.

Referring to fig. 9, the vector network analyzer 900 may include one or more of the following components: a processing component 902, a memory 904, a power component 906, a multimedia component 908, a first audio component 910, an input/output (I/O) interface 912, a sensor component 914, and a communication component 916.

The processing component 902 generally controls the overall operation of the vector network analyzer 900, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 902 may include one or more processors 920 to execute instructions to perform all or a portion of the steps of the audio breakthrough performance testing method described above. Further, processing component 902 can include one or more modules that facilitate interaction between processing component 902 and other components. For example, the processing component 902 can include a multimedia module to facilitate interaction between the multimedia component 908 and the processing component 902.

The memory 904 is configured to store various types of data to support operations at the vector network analyzer 900. Examples of such data include instructions for any application or method operating on vector network analyzer 900, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 904 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power component 906 provides power to the various components of the vector network analyzer 900. The power components 906 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the vector network analyzer 900.

The multimedia component 908 includes a screen that provides an output interface between the vector network analyzer 900 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 908 includes a front facing camera and/or a rear facing camera. When the vector network analyzer 900 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The first audio component 910 is configured to output and/or input audio signals. For example, the first audio component 910 includes a Microphone (MIC) configured to receive an external audio signal when the vector network analyzer 900 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 904 or transmitted via the communication component 916. In some embodiments, the first audio component 910 further comprises a speaker for outputting audio signals.

I/O interface 912 provides an interface between processing component 902 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor component 914 includes one or more sensors for providing various aspects of state evaluation for the vector network analyzer 900. For example, sensor component 914 may detect an open/closed state of vector network analyzer 900, the relative positioning of components, such as a display and keypad of vector network analyzer 900, sensor component 914 may also detect a change in position of vector network analyzer 900 or a component of vector network analyzer 900, the presence or absence of user contact with vector network analyzer 900, orientation or acceleration/deceleration of vector network analyzer 900, and a change in temperature of vector network analyzer 900. The sensor assembly 914 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 914 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 916 is configured to facilitate communication between the vector network analyzer 900 and other devices in a wired or wireless manner. The vector network analyzer 900 may have access to a wireless network based on a communication standard, such as Wi-Fi, 2G, or 3G, or a combination thereof. In an exemplary embodiment, the communication component 916 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 916 further includes a Near Field Communication (NFC) module to facilitate short-range communications.

In an exemplary embodiment, the vector network analyzer 900 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for performing the above-described audio breakthrough performance testing methods.

In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 904 comprising instructions, executable by the processor 920 of the vector network analyzer 900 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

The embodiments of the present disclosure also provide a computer-readable storage medium, where instructions, when executed by a processor of a vector network analyzer, enable the vector network analyzer to perform the operations executed in the audio breakthrough performance testing method in the foregoing embodiments.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An audio breakthrough performance testing method is applied to a vector network analyzer and comprises the following steps:

determining scattering parameter values of the radio frequency signal at a plurality of first designated frequencies according to the radio frequency signal and the reflected signal, wherein the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal;

determining audio breakthrough performance of the first audio link based on values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link;

the determining audio breakthrough performance for the first audio link from values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link comprises:

determining that the audio breakthrough performance of the first audio link is qualified when no scattering parameter value lower than the first preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, and when no scattering parameter value higher than the second preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies.

2. The method of claim 1, wherein transmitting the radio frequency signal to the first audio link to be tested is performed by: the first audio link is not assembled into the communication device.

3. The method of any of claims 1-2, wherein the first audio link comprises an audio signal processing module; alternatively, the first audio link includes the audio signal processing module and a first audio component, or the first audio link includes the audio signal processing module, the first audio component, and a first transfer line for connecting the first audio component and the audio signal processing module.

4. The method of claim 3, wherein when the first audio link includes the audio signal processing module and the first audio component, after determining the audio break-through performance of the first audio link based on values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link, the method further comprises:

5. The method of claim 3, wherein the first audio link comprises the audio signal processing module, the first audio component, and the first patch cord connecting the first audio component and the audio signal processing module;

6. The method of claim 5, wherein after determining the audio breakthrough performance of the first audio link based on the values of the scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link, the method further comprises:

when the audio breakthrough performance of the second audio link is qualified, determining that the audio breakthrough performance of the first patch cord in the first audio link is unqualified.

7. The method of claim 5, wherein after determining the audio breakthrough performance of the first audio link based on the values of the scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link, the method further comprises:

determining that the audio breakthrough performance of the first audio component in the first audio link is not acceptable when the audio breakthrough performance of the third audio link is acceptable.

8. The method of claim 3, wherein the first audio component comprises an audio component of an analog signal or an audio component of a digital signal.

9. An audio breakthrough performance testing device, which is applied to a vector network analyzer and comprises:

a first determining module, configured to determine, according to the radio frequency signal and the reflection signal, scattering parameter values of the radio frequency signal at a plurality of first designated frequencies, where the plurality of first designated frequencies are a plurality of frequencies of the radio frequency signal;

a second determining module, configured to determine audio breakthrough performance of the first audio link according to scattering parameter values of the radio frequency signal at the multiple frequencies in the first audio link;

the second determining module is further configured to determine whether a scattering parameter value lower than a first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, and determine whether a scattering parameter value higher than a second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies; determining that the audio breakthrough performance of the first audio link is not acceptable when a scattering parameter value lower than the first preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, or when a scattering parameter value higher than the second preset scattering parameter value exists in the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies; determining that the audio breakthrough performance of the first audio link is qualified when no scattering parameter value lower than the first preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies, and when no scattering parameter value higher than the second preset scattering parameter value exists among the scattering parameter values of the radio frequency signal at the plurality of first designated frequencies.

10. A vector network analyzer, comprising:

one or more processors;

wherein the one or more processors are configured to:

determining an audio breakthrough performance of the first audio link based on values of scattering parameters of the radio frequency signal at the plurality of frequencies in the first audio link;

11. A computer-readable storage medium having stored thereon at least one instruction, which is loaded and executed by a processor, to perform operations performed in the audio breakthrough performance testing method of any of claims 1 to 8.