WO2021203654A1

WO2021203654A1 - Audio test system and audio test method for electronic product

Info

Publication number: WO2021203654A1
Application number: PCT/CN2020/120260
Authority: WO
Inventors: 叶飞; 何帆
Original assignee: 深圳回收宝科技有限公司
Priority date: 2020-04-07
Filing date: 2020-10-11
Publication date: 2021-10-14
Also published as: CN111491248A

Abstract

The present application provides an audio test system and an audio test method for an electronic product. The audio test system is used for testing an audio unit of an electronic product to be tested on an assembly line, and a specified APP is installed in the electronic product to be tested. The audio test system comprises a soundproof box and an upper computer; the soundproof box is provided at a preset position of the assembly line, a sound recording device is provided in the soundproof box, and the sound recording device is connected to the upper computer. The specified APP is used for driving the electronic product to be tested to play back a test audio; when the electronic product to be tested plays back the test audio, the sound recording device is used for recording the actual audio played back by the electronic product to be tested and sending the actual audio to the upper computer; and the upper computer is used for analyzing the actual audio and determining whether an audio channel of the electronic product to be tested is intact. In the present application, complete loop testing is performed in a closed space, various indexes of the audio are displayed in a data form, and the quality of the audio unit can be clearly seen.

Description

Audio detection system and audio detection method of electronic product

Technical field

This application relates to the technical field of electronic product detection, and specifically is an audio detection system and audio detection method for electronic products.

Background technique

At present, the detection of audio units of electronic products basically involves line monitoring of audio circuits and earpiece circuit systems, and testing through special testing equipment, which is complicated to operate and has high environmental requirements.

technical problem

It can also be judged manually, and the user's use of the channel can be simulated through the terminal software. The disadvantage of this test method is its poor accuracy and stability. Since man-made tests are subjective judgments, and the judgment itself has no fixed standards, the standards of the test may vary from person to person. In addition, the artificial test stability is poor, the fatigue caused by long-term mechanical actions, and the shift of personnel will cause the test to be unstable.

In view of this, overcoming the shortcomings of the prior art is an urgent problem to be solved in this technical field.

Technical solutions

The main technical problem to be solved by this application is to provide an audio detection system and audio detection method for electronic products. This application uses an intelligent way to detect audio units, which can improve accuracy and effectively avoid the stability caused by manual detection. Poor problem. .

In order to solve the above technical problems, a technical solution adopted in this application is to provide an audio detection system for electronic products. A designated APP is installed in the electronic product, the audio detection system includes: a soundproof box and a host computer, the soundproof box is arranged at a preset position of the assembly line, a sound recording device is arranged in the soundproof box, and the sound recording The device is connected with the host computer;

The designated APP is used to drive the electronic product under test to play test audio;

When the electronic product under test plays the test audio, the sound recording device is used to record the actual audio broadcast by the electronic product under test, and send the actual audio to the host computer;

The host computer is used to analyze the actual audio to determine whether the audio path of the electronic product under test is intact.

Preferably, the audio unit of the electronic product under test includes a receiver and a speaker;

The soundproof box includes a first soundproof box and a second soundproof box, and the first soundproof box and the second soundproof box are spaced apart on the assembly line;

The first soundproof box is provided with a first sound recording device, the first sound recording device is arranged adjacent to the earpiece, and the first sound recording device is used to receive the actual audio emitted by the earpiece to test the Tell whether the earpiece is in good condition;

A second sound recording device is arranged in the second soundproof box, the second sound recording device is arranged adjacent to the speaker, and the second sound recording device is used to receive the actual audio emitted by the speaker to test the Describe whether the speakers are in good condition.

Preferably, the audio unit of the electronic product under test includes a microphone;

The soundproof box further includes a third soundproof box in which a sound generating device is arranged, the sound generating device is arranged adjacent to the microphone, and the sound generating device is used for generating test audio;

After the microphone of the electronic product under test collects the test audio, the microphone converts the test audio into actual audio, and the electronic product under test is used to send the actual audio to the host computer, To test whether the microphone is in good condition.

Preferably, the sound recording device is a standard microphone, and the sound generating device is a standard speaker.

Preferably, the test audio frequency is a fixed frequency signal of 1 kHz, or a sweep frequency signal of 20 Hz to 20 KHz.

In order to solve the above technical problems, a technical solution adopted in this application is to provide an audio detection method for electronic products. The audio detection method is implemented based on the audio detection system described in this application, and the audio detection method includes :

Trigger the designated APP to run, and drive the audio unit corresponding to the electronic product under test to play test audio;

When the electronic product under test plays the test audio, record the actual audio broadcast by the corresponding audio unit of the electronic product under test;

Analyze the actual audio to determine whether the audio path of the electronic product under test is intact.

Preferably, the audio unit is an earpiece;

The triggering the operation of the designated APP and driving the audio unit corresponding to the electronic product under test to play test audio includes:

Trigger the designated APP to run, and drive the earpiece corresponding to the electronic product under test to play test audio;

The recording of the actual audio broadcast by the corresponding audio unit of the electronic product under test when the electronic product under test plays the test audio includes:

When the earpiece of the electronic product under test plays the test audio, recording the actual audio broadcast by the earpiece of the electronic product under test;

The audio unit is a speaker;

Trigger the designated APP to run, and drive the speaker corresponding to the electronic product under test to play test audio;

When the speaker of the electronic product under test plays the test audio, the actual audio broadcast by the earpiece of the electronic product under test is recorded.

Preferably, the audio unit is a microphone;

The detection method also includes:

Triggering the sound generating device to play the test audio;

Trigger the designated APP to run, drive the microphone of the electronic product under test to collect the test audio, and convert the test audio into actual audio;

Preferably, the audio detection method includes:

The analyzing the actual audio to determine whether the audio path of the electronic product under test is intact includes:

Analyze the volume and noise of the actual audio;

Determine whether the audio path of the electronic product under test is intact.

Preferably, the audio detection method further includes:

When the audio unit has a defect, the type of the audio unit defect is determined according to the comparison between the test audio and the actual audio.

Beneficial effect

The beneficial effect of this application is that it is different from the prior art. In this application, the same set of sound sources are used to perform a complete loop test in a closed space. Various indicators can clearly see the quality of the audio unit. In this application, the audio unit is detected in an intelligent manner, which can improve accuracy and effectively avoid the problem of poor stability caused by manual detection.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings that need to be used in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of an audio detection system for an electronic product provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another audio detection system for an electronic product provided by an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another audio detection system for an electronic product provided by an embodiment of the present application;

FIG. 4 is a schematic flowchart of an audio detection method for an electronic product provided by an embodiment of the present application.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application.

As shown in FIG. 1, in this embodiment, an audio detection system for an electronic product is provided. The audio detection system is used to detect the audio unit of the electronic product under test on an assembly line, and the electronic product under test is installed in There is a designated APP, the audio detection system includes: a soundproof box 1 and a host computer 2. The soundproof box 1 is set at a preset position of the assembly line, and the soundproof box 1 is provided with a sound recording device 4, and the sound The recording device 4 is connected to the host computer 2.

In a specific application scenario, the designated APP is used to drive the electronic product under test to play test audio, where the test audio is a fixed frequency signal of 1 kHz, or a sweep frequency signal of 20 Hz to 20 KHz. The designated APP is pre-installed on the electronic product under test, where the electronic product may be a mobile phone or a tablet computer.

In actual use, when the electronic product under test plays the test audio, the sound recording device 4 is used to record the actual audio broadcast by the electronic product under test, and send the actual audio to all The host computer 2; the host computer 2 is used to analyze the actual audio to determine whether the audio path of the electronic product under test is intact. Wherein, the actual audio is the audio actually played after the test audio passes through the circuits and components of the electronic product under test, and is the sound actually heard by the user.

In one of the embodiments, the sound recording device 4 sends the actual audio in the form of an analog signal to the host computer 2, and the host computer 2 is used to digitally process the received actual audio, and by detecting the actual audio Determine whether the corresponding audio unit is intact according to the volume and distortion. In another embodiment, the sound recording device 4 digitally converts the actual audio and then sends it to the host computer 2 to determine whether the corresponding audio unit is intact according to the actual audio in the digital form.

As shown in Figures 2 and 3, the audio unit of the electronic product under test includes an earpiece and a speaker, where the earpiece is an audio plug, and the soundproof box 1 includes a first soundproof box 11 and a second soundproof box 12. The first soundproof box 11 and the second soundproof box 12 are arranged at intervals on the assembly line.

Wherein, the first soundproof box 11 is provided with a first sound recording device 41, the first sound recording device 41 is arranged adjacent to the earpiece, and the first sound recording device 41 is configured to receive the sound emitted by the earpiece. Actual audio to test whether the earpiece is intact.

A second sound recording device 42 is provided in the second soundproof box 12, the second sound recording device 42 is arranged adjacent to the speaker, and the second sound recording device 42 is configured to receive the actual audio emitted by the speaker , To test whether the speaker is intact.

Further, the audio unit of the electronic product under test includes a microphone, the soundproof box 1 further includes a third soundproof box 13, and the third soundproof box 13 is provided with a sound generating device 5, and the sound generating device 5 is adjacent to The microphone is set, and the sound generating device 5 is used to generate test audio;

After the microphone of the electronic product under test has recorded the test audio, the microphone converts the test audio into actual audio, and the electronic product under test is used to send the actual audio to the host computer 2 To test whether the microphone is in good condition.

In another embodiment, after determining that the speaker or earpiece of the electronic product under test is intact, after the microphone of the electronic product under test has recorded the test audio, the microphone passes the test audio The earpiece or speaker of the electronic product is tested to play actual audio to test whether the microphone is intact. In this mode, corresponding sound recording devices need to be installed on the earpiece and speaker.

In an actual application scenario, the sound recording device is a standard microphone, and the sound generating device is a standard speaker.

In a preferred embodiment, after the third soundproof box 13, the pipeline is divided into a first sub-pipeline (not shown), a second sub-pipeline (not shown), and a third sub-pipeline (not shown). The pipeline A shunting device (not shown) is provided. The shunting device is arranged after the third soundproof box 13 and before each sub-assembly line. The shunting device is connected to the upper computer 2, and the upper computer 2 is used for triggering according to the audio detection situation. The shunt device shunts the electronic product under test. For example, when the earpiece of the electronic product under test has a defect, the shunt device delivers the electronic product under test to the first sub-pipeline. When the speaker of the electronic product under test has a defect, the shunt device transports the electronic product under test to the second sub-pipeline. When the microphone of the electronic product under test has a defect, the shunt device removes the defect. The electronic product under test is delivered to the third sub-assembly line. In this way, defective electronic products can be intelligently classified.

Based on the audio test method of the foregoing embodiment, in this embodiment, an audio detection method of an electronic product is provided as a complete set. The specific implementation process is shown in FIG. 4, and the audio detection method includes the following steps:

Step 601: Trigger the specified APP to run, and drive the audio unit corresponding to the electronic product under test to play test audio.

Among them, the designated APP is pre-installed on the electronic product.

In an actual application scenario, when the electronic product enters the corresponding soundproof box, the electronic product sends an access request to the upper computer. After receiving the request, the upper computer establishes a network connection with the electronic product. The upper computer triggers the designated APP of the electronic product to play the test audio.

In another embodiment, the camera of the electronic product is in an on state, and when the camera detects that the electronic product enters the corresponding soundproof box, it automatically triggers a designated APP to play the test audio.

Step 602: When the electronic product under test plays the test audio, record the actual audio broadcast by the corresponding audio unit of the electronic product under test.

Step 603: Analyze the actual audio to determine whether the audio path of the electronic product under test is intact.

In an actual application scenario, analyze the volume and noise of the actual audio; determine whether the audio path of the electronic product under test is intact. Among them, the noise situation can be judged by THD.

In a specific application scenario, the audio unit is a receiver. In step 601, triggering the operation of the designated APP and driving the audio unit corresponding to the electronic product under test to play the test audio specifically includes:

Trigger the designated APP to run, and drive the earpiece corresponding to the electronic product under test to play test audio.

In step 602, the recording the actual audio broadcast by the corresponding audio unit of the electronic product under test when the electronic product under test plays the test audio specifically includes:

When the earpiece of the electronic product under test plays the test audio, the actual audio broadcast by the earpiece of the electronic product under test is recorded.

In another specific application scenario, the audio unit is a speaker. In step 601, triggering the designated APP to run and driving the audio unit corresponding to the electronic product under test to play test audio specifically includes:

In another practical application scenario, the audio unit is a microphone; the detection method further includes: triggering the sound generating device to play the test audio, wherein the sound generating device is a standard speaker. Trigger the designated APP to run, drive the microphone of the electronic product under test to collect the test audio, and convert the test audio into actual audio;

In this embodiment, the audio detection method further includes: when the audio unit has a defect, determining the type of the audio unit defect according to a comparison between the test audio and the actual audio. In addition, the flow of the electronic product to the corresponding sub-pipeline can be switched according to the defect type of the audio unit. For details, please refer to the description of the foregoing embodiment, which is not repeated here.

Different from the prior art, in this application, the same set of sound sources are used to perform a complete loop test in a closed space. The upper computer tests the actual audio received, and displays the various indicators of the audio in the form of data, which can be clearly seen The good and bad of the audio unit. This application adopts an intelligent method, which can improve accuracy and effectively avoid the problem of poor stability caused by manual detection.

The above are only implementations of this application, and do not limit the scope of this application. Any equivalent structure or equivalent process transformation made using the content of the description and drawings of this application, or directly or indirectly applied to other related technical fields, The same reasoning is included in the scope of patent protection of this application.

Claims

An audio detection system for an electronic product, characterized in that the audio detection system is used to detect the audio unit of the electronic product under test on an assembly line, a designated APP is installed in the electronic product under test, and the audio detection system The system includes: a soundproof box and an upper computer, the soundproof box is arranged at a preset position of the assembly line, a sound recording device is arranged in the soundproof box, and the sound recording device is connected with the upper computer;

The designated APP is used to drive the electronic product under test to play test audio;

When the electronic product under test plays the test audio, the sound recording device is used to record the actual audio broadcast by the electronic product under test, and send the actual audio to the host computer;

The host computer is used to analyze the actual audio to determine whether the audio path of the electronic product under test is intact.
The audio detection system according to claim 1, wherein the audio unit of the electronic product under test comprises a receiver and a speaker;

The soundproof box includes a first soundproof box and a second soundproof box, and the first soundproof box and the second soundproof box are spaced apart on the assembly line;

A first sound recording device is arranged in the first soundproof box, the first sound recording device is arranged adjacent to the earpiece, and the first sound recording device is used to receive the actual audio emitted by the earpiece to test the Tell whether the earpiece is in good condition;

A second sound recording device is arranged in the second soundproof box, the second sound recording device is arranged adjacent to the speaker, and the second sound recording device is used to receive the actual audio emitted by the speaker to test the Describe whether the speakers are in good condition.
The audio detection system according to claim 2, wherein the audio unit of the electronic product under test comprises a microphone;

The soundproof box further includes a third soundproof box in which a sound generating device is arranged, the sound generating device is arranged adjacent to the microphone, and the sound generating device is used for generating test audio;

After the microphone of the electronic product under test collects the test audio, the microphone converts the test audio into actual audio, and the electronic product under test is used to send the actual audio to the host computer, To test whether the microphone is in good condition.
The audio detection system according to claim 3, wherein the sound recording device is a standard microphone, and the sound generating device is a standard speaker.
The audio detection system according to any one of claims 1 to 4, wherein the test audio is a fixed frequency signal of 1 kHz, or a swept frequency signal of 20 Hz to 20 KHz.
An audio detection method for electronic products, wherein the audio detection method is implemented based on the audio detection system according to any one of claims 1 to 5, and the audio detection method comprises:

Trigger the designated APP to run, and drive the audio unit corresponding to the electronic product under test to play test audio;

When the electronic product under test plays the test audio, record the actual audio broadcast by the corresponding audio unit of the electronic product under test;

Analyze the actual audio to determine whether the audio path of the electronic product under test is intact.
The audio detection method according to claim 6, wherein the audio unit is an earpiece;

The triggering the operation of the designated APP and driving the audio unit corresponding to the electronic product under test to play test audio includes:

Trigger the designated APP to run, and drive the earpiece corresponding to the electronic product under test to play test audio;

The recording of the actual audio broadcast by the corresponding audio unit of the electronic product under test when the electronic product under test plays the test audio includes:

When the earpiece of the electronic product under test plays the test audio, recording the actual audio broadcast by the earpiece of the electronic product under test;

The audio unit is a speaker;

The triggering the operation of the designated APP and driving the audio unit corresponding to the electronic product under test to play test audio includes:

Trigger the designated APP to run, and drive the speaker corresponding to the electronic product under test to play test audio;

The recording of the actual audio broadcast by the corresponding audio unit of the electronic product under test when the electronic product under test plays the test audio includes:

When the speaker of the electronic product under test plays the test audio, the actual audio broadcast by the earpiece of the electronic product under test is recorded.
The audio detection method according to claim 6, wherein the audio unit is a microphone;

The detection method also includes:

Triggering the sound generating device to play the test audio;

Trigger the designated APP to run, drive the microphone of the electronic product under test to collect the test audio, and convert the test audio into actual audio;

Analyze the actual audio to determine whether the audio path of the electronic product under test is intact.
The audio detection method according to claim 6, wherein the audio detection method comprises:

The analyzing the actual audio to determine whether the audio path of the electronic product under test is intact includes:

Analyze the volume and noise of the actual audio;

Determine whether the audio path of the electronic product under test is intact.
The audio detection method according to any one of claims 6-9, wherein the audio detection method further comprises:

When the audio unit has a defect, the type of the audio unit defect is determined according to the comparison between the test audio and the actual audio.