CN111276160A - Audio detection method and device - Google Patents
Audio detection method and device Download PDFInfo
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- CN111276160A CN111276160A CN202010067737.0A CN202010067737A CN111276160A CN 111276160 A CN111276160 A CN 111276160A CN 202010067737 A CN202010067737 A CN 202010067737A CN 111276160 A CN111276160 A CN 111276160A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention provides an audio detection method and device, at least one of the following processes of the method; the buzzer testing process comprises the following steps: collecting buzzer sound of the tested equipment by using a microphone, converting the buzzer sound into an electric signal, amplifying the electric signal, inputting the electric signal into a single chip microcomputer, and judging whether the amplitude and the frequency of the signal are within qualified threshold values by the single chip microcomputer to obtain a test result of the buzzer; the test process of the recording and playing functions comprises the following steps: the sound generator is driven to generate sound through the single chip microcomputer, meanwhile, the tested device is enabled to record the sound, then the sound is played through the loudspeaker of the tested device, the sound played by the loudspeaker is collected through the microphone, the sound is converted into an electric signal and is input into the single chip microcomputer after being amplified, and the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value or not to obtain a test result of a recording and playing function. The invention can automatically carry out audio detection on the tested product, reduces the labor cost, improves the testing efficiency, improves the testing accuracy and stability and reduces the outflow probability of defective products.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to an audio detection method and apparatus.
Background
The POS complete machine test has the process of testing whether the buzzer and the recording playing function are normal, the existing test method is to enable the buzzer to work, judge whether the buzzer is normal by listening with human ears, record artificial speaking sound by using the POS complete machine, play the sound through a loudspeaker, and judge whether the recording playing function is normal by listening with ears and judging whether the loudspeaker plays the sound.
In order to ensure the testing quality, manufacturers often arrange two identical procedures for repeated testing. However, in such a double test, there is still a case where a defective product flows out. Therefore, the testing scheme mainly judges whether the buzzer and the audio frequency of the POS work normally or not by manpower subjectively requires that the staff concentrate on the attention for a long time; meanwhile, in a noisy workshop environment, the sounds of the buzzer and the audio frequency are easily interfered, so that the test effect and the test efficiency are influenced; the defects of poor reliability and easy flow of defective products are inevitably caused by the combination of various subjective factors and environmental factors.
In view of the above disadvantages of the testing scheme, it is necessary to design a testing method, which can automatically perform audio detection on a tested product, reduce labor cost, improve testing efficiency, improve testing accuracy and stability, and reduce the outflow probability of defective products.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an audio detection method and device, which can automatically perform audio detection on a detected product, reduce labor cost, improve test efficiency, improve test accuracy and stability, and reduce the outflow probability of defective products.
In a first aspect, the present invention provides an audio detection method, including at least one of a buzzer test procedure and a recording and playing function test procedure;
the buzzer testing process is as follows: collecting buzzer sound of the tested equipment by using a microphone, converting the buzzer sound into an electric signal, amplifying the electric signal, inputting the electric signal into a single chip microcomputer, and judging whether the amplitude and the frequency of the signal are within qualified threshold values by the single chip microcomputer to obtain a test result of the buzzer;
the test process of the recording and playing function comprises the following steps: the sound generator is driven to generate sound through the single chip microcomputer, meanwhile, the tested device is enabled to record the sound, then the sound is played through the loudspeaker of the tested device, the sound played by the loudspeaker is collected through the microphone, the sound is converted into an electric signal and is input into the single chip microcomputer after being amplified, and the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value or not to obtain a test result of a recording and playing function.
Further, the starting condition of the buzzer test process or the recording and playing function test process is as follows: the single chip microcomputer reads a positioning signal output by the travel switch after the tested product is placed on the testing tool.
Furthermore, a plurality of test tools are provided, each test tool is correspondingly provided with one tested device, and each test tool is provided with a sound insulation device; or the test tool comprises at least one test station, each test station is correspondingly provided with one tested device, and each test station is provided with a sound insulation device.
Further, in the buzzer test process or the recording and playing function test process, the single chip microcomputer informs a result indicating lamp to display the test result after obtaining the test result.
Further, the sounder is arranged on the test tool.
In a second aspect, the invention provides an audio detection device, which comprises a single chip microcomputer, a microphone, a sounder and a test result prompting unit, wherein the microphone, the sounder and the test result prompting unit are all connected with the single chip microcomputer and are controlled by the single chip microcomputer;
the microphone is used for collecting buzzer sound of the tested equipment, converting the buzzer sound into an electric signal, amplifying the electric signal and inputting the electric signal into the single chip microcomputer, judging whether the amplitude and the frequency of the signal are within qualified threshold values or not by the single chip microcomputer, obtaining a test result of the buzzer and prompting the test result through the test result prompting unit; or
The single chip microcomputer drives the sounder to make sound, meanwhile, the tested equipment is enabled to record sound, then the sound is played through a loudspeaker of the tested equipment, the sound played by the loudspeaker is collected by a microphone, converted into an electric signal and amplified and then input to the single chip microcomputer, the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value, a test result of the recording and playing function is obtained, and the test result is prompted through a test result prompting unit.
The device further comprises a test tool and a travel switch, wherein the travel switch is arranged on the test tool and used for sensing the positioning information of the tested product on the test tool and outputting the positioning signal to the single chip microcomputer;
furthermore, a plurality of test tools are provided, each test tool is correspondingly provided with one travel switch, and each test tool is provided with a sound insulation device; or the test tool comprises at least one test station, one travel switch is correspondingly placed in each test station, and sound insulation is arranged on each test station.
Further, the test result prompting unit is a result indicating lamp, and the single chip microcomputer informs the result indicating lamp to display the test result of the buzzer and the test result of the recording playing function after obtaining the test result.
Further, the sounder is arranged on the test tool.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages: the microphone and the sounder are controlled to work through the single chip microcomputer, so that the audio frequency of the tested equipment can be automatically tested, a worker only needs to manually place a test product on a test tool, and selects a test item (buzzer test or recording playing function test) on the tested equipment, so that the factor of environmental interference is avoided, the stability is ensured, the test accuracy is improved, the labor cost is reduced, and the outflow probability of defective products is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a block diagram of the hardware portion of the test system framework of the present invention;
fig. 2 is a flowchart of a buzzer testing process in the method according to the first embodiment of the present invention.
Fig. 3 is a flowchart of a recording and playing function testing process in the method according to the first embodiment of the present invention.
Detailed Description
The embodiment of the application provides an audio detection method and an audio detection device, so that audio detection can be automatically performed on a detected product, the labor cost is reduced, the test efficiency is improved, the test accuracy and stability are improved, and the outflow probability of defective products is reduced.
The technical scheme in the embodiment of the application has the following general idea: through single chip microcomputer control microphone, vocal ware work to can test the audio frequency function of equipment under test automatically, the staff only need manually put the test product on test fixture, select test item (buzzer test or recording broadcast function test) on equipment under test, stopped the factor that receives environmental disturbance, guarantee stability, improve the test accuracy, reduce the cost of labor, reduce the outflow probability of defective products.
Before the specific embodiments are introduced, a system framework corresponding to the method of the embodiments of the present application is introduced, and the system framework may be divided into a hardware part and a software part:
the hardware part is shown in figure 1 and comprises a test tool, a single chip microcomputer, a sounder, a microphone, a button and a test result prompting unit; wherein,
the testing tool is used for placing tested equipment needing to be subjected to buzzer and recording and playing function tests, such as various POS machine types, detecting whether the tested equipment is in place or not through the travel switch, and when the travel switch is closed, the tested equipment is placed correctly and sending in-place information to the single chip microcomputer;
the sounder is used for outputting single-frequency sound and testing the recording function of the tested equipment, and if the tested equipment has a buzzer and has normal function, the buzzer of the tested equipment can be used for replacing the buzzer without specially arranging a separate sounder;
the microphone is used for picking up sound for detection, converting audio frequency into an electric signal through the microphone, inputting the electric signal to the single chip microcomputer through the amplifying circuit, and according to different POS machine types, the positions of the buzzer and the loudspeaker are not simultaneously selected and a plurality of microphones are arranged at the positions corresponding to the buzzer and the loudspeaker;
the button is used for starting or shutting down the single chip microcomputer and manually starting or ending the whole test process;
the test result prompting unit is used for indicating the test result and can be an indicator light.
The software part refers to software of a single chip microcomputer, can be compiled according to actual requirements, and judges whether a buzzer and a loudspeaker of the tested equipment are normal or not through acquiring the frequency and amplitude of signals.
Example one
The present embodiment provides an audio detection method, as shown in fig. 2 and fig. 3, including at least one of a buzzer test procedure and a recording and playing function test procedure;
as shown in fig. 2, the buzzer testing process is as follows:
(1) placing the tested equipment on a testing tool, and reading a closing signal of a travel switch by a singlechip to start testing;
(2) selecting a buzzer test item on the POS machine, and sounding a buzzer on the POS machine;
(3) collecting the buzzer sound of the tested equipment by using a microphone, converting the sound into an electric signal, amplifying the electric signal and inputting the electric signal into a single chip microcomputer;
(4) judging whether the amplitude and the frequency of the signal are within qualified threshold values by the single chip microcomputer to obtain a test result of the buzzer;
(5) and displaying the test result through an indicator lamp.
As shown in fig. 3, the test process of the recording and playing function is as follows:
(1) placing the tested equipment on a testing tool, and reading a closing signal of a travel switch by a singlechip to start testing;
(2) selecting audio testing and recording functions on the POS machine;
(3) the sound generator is driven by the singlechip to generate sound;
(4) meanwhile, the tested equipment is used for recording and then is played through a loudspeaker of the tested equipment;
(5) then, the microphone is used for collecting the sound played by the loudspeaker, converting the sound into an electric signal, amplifying the electric signal and inputting the electric signal to the singlechip;
(6) judging whether the amplitude and the frequency of the electric signal are within the threshold value or not by the singlechip to obtain a test result of the recording and playing function;
(7) the test result may be displayed by an indicator light.
Wherein, the starting condition of the buzzer test process or the recording playing function test process is as follows: the single chip microcomputer reads a positioning signal output by the travel switch after the tested product is placed on the testing tool.
The test fixture can be provided with a plurality of test fixtures, namely, a one-to-many mode is adopted for testing, each test fixture is correspondingly provided with one tested device, and each test fixture is provided with a sound insulation device so as to prevent the tested devices from interfering with each other; or the test tool comprises at least one test station, each test station is correspondingly provided with one tested device, and each test station is provided with a sound insulation device.
Based on the same inventive concept, the application also provides a device corresponding to the method in the first embodiment, which is detailed in the second embodiment.
Example two
In the present embodiment, there is provided an audio detection apparatus, as shown in fig. 1, including: the microphone, the sounder and the test result prompting unit are all connected with the singlechip and controlled by the singlechip;
the microphone is used for collecting buzzer sound of the tested equipment, converting the buzzer sound into an electric signal, amplifying the electric signal and inputting the electric signal into the single chip microcomputer, judging whether the amplitude and the frequency of the signal are within qualified threshold values or not by the single chip microcomputer, obtaining a test result of the buzzer and prompting the test result through the test result prompting unit; or
The single chip microcomputer drives the sounder to make sound, meanwhile, the tested equipment is enabled to record sound, then the sound is played through a loudspeaker of the tested equipment, the sound played by the loudspeaker is collected by a microphone, converted into an electric signal and amplified and then input to the single chip microcomputer, the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value, a test result of the recording and playing function is obtained, and the test result is prompted through a test result prompting unit.
The audio detection device in the embodiment further comprises a test tool and a travel switch, wherein the travel switch is arranged on the test tool and used for sensing the in-position information of the tested product on the test tool and outputting the in-position signal to the single chip microcomputer;
the device comprises a plurality of testing tools, a travel switch, a sound insulation device and a sound insulation device, wherein the testing tools are provided with one stroke switch correspondingly; or the test tool comprises at least one test station, one travel switch is correspondingly placed in each test station, and sound insulation is arranged on each test station.
The test result prompting unit is a result indicating lamp, and the single chip microcomputer informs the result indicating lamp to display the test result of the buzzer and the test result of the recording and playing function after obtaining the test result.
The sounder may be provided on a test fixture.
Since the apparatus described in the second embodiment of the present invention is an apparatus used for implementing the method of the first embodiment of the present invention, based on the method described in the first embodiment of the present invention, a person skilled in the art can understand the specific structure and the deformation of the apparatus, and thus the details are not described herein. All the devices adopted in the method of the first embodiment of the present invention belong to the protection scope of the present invention.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages: according to the method and the device provided by the embodiment of the application, the microphone and the sounder are controlled to work through the single chip microcomputer, so that the audio function of the tested equipment can be automatically tested, a worker only needs to manually place a test product on a test tool, and selects a test item (buzzer test or recording playing function test) on the tested equipment, so that the factors interfered by the environment are eliminated, the stability is ensured, the test accuracy is improved, the labor cost is reduced, and the outflow probability of defective products is reduced.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. An audio detection method, characterized by: the method comprises at least one of a buzzer test process and a recording and playing function test process;
the buzzer testing process is as follows: collecting buzzer sound of the tested equipment by using a microphone, converting the buzzer sound into an electric signal, amplifying the electric signal, inputting the electric signal into a single chip microcomputer, and judging whether the amplitude and the frequency of the signal are within qualified threshold values by the single chip microcomputer to obtain a test result of the buzzer;
the test process of the recording and playing function comprises the following steps: the sound generator is driven to generate sound through the single chip microcomputer, meanwhile, the tested device is enabled to record the sound, then the sound is played through the loudspeaker of the tested device, the sound played by the loudspeaker is collected through the microphone, the sound is converted into an electric signal and is input into the single chip microcomputer after being amplified, and the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value or not to obtain a test result of a recording and playing function.
2. The audio detection method of claim 1, wherein:
the starting conditions of the buzzer test process or the recording and playing function test process are as follows: the single chip microcomputer reads a positioning signal output by the travel switch after the tested product is placed on the testing tool.
3. The audio detection method of claim 1, wherein:
the device comprises a plurality of test tools, a tested device is correspondingly placed on each test tool, and each test tool is provided with a sound insulation device; or
The test tool comprises at least one test station, wherein each test station is correspondingly provided with a tested device, and each test station is provided with a sound insulation device.
4. The audio detection method of claim 1, wherein: in the buzzer testing process or the recording playing function testing process, the single chip microcomputer informs a result indicating lamp to display the testing result after obtaining the testing result.
5. The audio detection method of claim 2, wherein: the sounder is arranged on the test tool.
6. An audio detection device, characterized by: the microphone, the sounder and the test result prompting unit are all connected with the singlechip and controlled by the singlechip;
the microphone is used for collecting buzzer sound of the tested equipment, converting the buzzer sound into an electric signal, amplifying the electric signal and inputting the electric signal into the single chip microcomputer, judging whether the amplitude and the frequency of the signal are within qualified threshold values or not by the single chip microcomputer, obtaining a test result of the buzzer and prompting the test result through the test result prompting unit; or
The single chip microcomputer drives the sounder to make sound, meanwhile, the tested equipment is enabled to record sound, then the sound is played through a loudspeaker of the tested equipment, the sound played by the loudspeaker is collected by a microphone, converted into an electric signal and amplified and then input to the single chip microcomputer, the single chip microcomputer judges whether the amplitude and the frequency of the electric signal are within a threshold value, a test result of the recording and playing function is obtained, and the test result is prompted through a test result prompting unit.
7. The audio detection device of claim 6, wherein: the device comprises a single chip microcomputer, and is characterized by further comprising a testing tool and a travel switch, wherein the travel switch is arranged on the testing tool and used for sensing positioning information of a tested product on the testing tool and outputting a positioning signal to the single chip microcomputer.
8. The audio detection device of claim 7, wherein:
the device comprises a plurality of testing tools, a travel switch and a sound insulation device, wherein each testing tool is provided with one travel switch correspondingly; or
The test tool comprises at least one test station, one travel switch is correspondingly placed in each test station, and sound insulation is arranged on each test station.
9. The audio detection device of claim 7, wherein: the test result prompting unit is a result indicating lamp, and the single chip microcomputer informs the result indicating lamp to display the test result of the buzzer and the test result of the recording and playing function after obtaining the test result.
10. The audio detection device of claim 7, wherein: the sounder is arranged on the test tool.
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| CN113466666A (en) * | 2021-07-06 | 2021-10-01 | 格力电器（郑州）有限公司 | Mainboard detection device and detection method |
| CN113744765A (en) * | 2021-08-19 | 2021-12-03 | 深圳市新国都股份有限公司 | POS machine voice broadcast detection method, device and storage medium |
| CN114640939A (en) * | 2020-12-16 | 2022-06-17 | 惠州比亚迪电子有限公司 | Detection method, device and system of audio playing device and storage medium |
| CN115951150A (en) * | 2022-12-31 | 2023-04-11 | 苏州科标检测有限公司 | Wireless radio frequency radiation interference test system |
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