CN109168120B - Loudspeaker and microphone testing method, intelligent terminal and storage medium - Google Patents
Loudspeaker and microphone testing method, intelligent terminal and storage medium Download PDFInfo
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- CN109168120B CN109168120B CN201811367506.0A CN201811367506A CN109168120B CN 109168120 B CN109168120 B CN 109168120B CN 201811367506 A CN201811367506 A CN 201811367506A CN 109168120 B CN109168120 B CN 109168120B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The invention discloses a loudspeaker and microphone testing method, an intelligent terminal and a storage medium, wherein the method comprises the following steps: presetting a section of sweep frequency signal, obtaining a standard test sample, and storing the test sample in an intelligent terminal; placing a recorder to be tested in a closed sound insulation box, and simultaneously testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal; acquiring a recording signal, making the recording signal into a test sample, and comparing the test sample with a test specimen; and judging whether the test sample exceeds the threshold range of the test specimen, and carrying out corresponding prompt. According to the invention, the recorder to be tested is arranged in the sound insulation box, the loudspeaker of the recorder is used for playing standard frequency sweeping sound, the microphone of the recorder is used for recording, and the intelligent terminal automatically compares and judges whether the recorder to be tested is qualified, so that the technical problems of low judgment efficiency of manual test and easy auditory fatigue are solved.
Description
Technical Field
The invention relates to the technical field of intelligent terminals, in particular to a method for testing a loudspeaker and a microphone, an intelligent terminal and a storage medium.
Background
At present, in the production process of a recorder, a test mode for a loudspeaker and a microphone is mainly carried out in a manual test mode, a section of standard sweep frequency sound is played on the recorder to be tested, and whether the loudspeaker and the microphone of the recorder to be tested meet the processing standard or not is judged through manual hearing so as to prevent various problems after delivery; the mode of judging by artificial hearing is easy to cause hearing fatigue, and the phenomena of test leakage and test error exist, so that the test efficiency is low; and the other testing mode is carried out by depending on professional testing equipment, and although the testing efficiency of the testing equipment is high, the expensive price increases the testing cost, so that manufacturers are forbidden.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for testing a speaker and a microphone, an intelligent terminal and a storage medium, aiming at solving the technical problems of low efficiency of manual testing and judgment and easy auditory fatigue by placing a recorder to be tested in a sound insulation box, playing standard frequency sweeping sound by using the speaker of the recorder, recording by using the microphone of the recorder, and automatically comparing and judging whether the recorder to be tested is qualified or not by the intelligent terminal.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention provides a testing method of a loudspeaker and a microphone, wherein the testing method of the loudspeaker and the microphone comprises the following steps:
presetting a section of sweep frequency signal for testing, obtaining a standard test specimen through the sweep frequency signal, and storing the test specimen into an intelligent terminal;
storing the sweep frequency signal in a recorder to be tested, placing the recorder to be tested in a closed sound insulation box, and simultaneously testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal;
the intelligent terminal acquires the recording signal, makes the recording signal into a test sample, and compares the test sample with the test specimen;
and judging whether the test sample exceeds the threshold range of the test specimen, and prompting through the intelligent terminal.
Further, the presetting of a section of frequency sweep signal for testing, obtaining of a standard test specimen through the frequency sweep signal, and storing of the test specimen in the intelligent terminal specifically include the following steps:
presetting a section of sweep frequency signal for testing, and storing the sweep frequency signal into a qualified recorder;
testing the qualified recorder by using the sweep frequency signal to obtain a standard frequency spectrum and a standard amplitude of the sweep frequency signal;
and manufacturing the standard frequency spectrum and the standard amplitude into a test specimen, and storing the test specimen into the intelligent terminal.
Further, the step of storing the sweep frequency signal in a recorder to be tested, placing the recorder to be tested in a closed sound insulation box, and testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal specifically comprises the following steps:
storing the sweep frequency signal in a recorder to be tested, and placing the recorder to be tested in a closed sound insulation box;
and simultaneously starting a loudspeaker and a microphone of the recorder to be tested, playing the sweep frequency signal by using the loudspeaker, and recording by using the microphone to obtain a recording signal.
Further, the intelligent terminal acquires the recording signal, makes the recording signal into a test sample, and compares the test sample with the test specimen, and the method specifically comprises the following steps:
acquiring the recording signal, and carrying out Fourier analysis on the recording signal to obtain the frequency spectrum and amplitude of the recording signal;
and making the frequency spectrum and the amplitude of the recording signal into a test sample, and comparing the test sample with the test specimen.
Further, the judging whether the test sample exceeds the threshold range of the test specimen and prompting through the intelligent terminal specifically includes the following steps:
judging whether the test sample exceeds the threshold range of the test specimen;
when the test sample is judged not to exceed the threshold range of the test specimen, prompting that a loudspeaker and a microphone of the recorder to be tested are qualified through the intelligent terminal;
and when the test sample is judged to exceed the threshold range of the test specimen, prompting that the loudspeaker and the microphone of the recorder to be tested are unqualified through the intelligent terminal.
Further, the mode that intelligent terminal suggestion test result includes: and prompting a test result through sound, images and an indicator light.
Further, when it is determined that the test sample does not exceed the threshold range of the test specimen, prompting, by the intelligent terminal, that the speaker and the microphone of the recorder to be tested are qualified specifically includes the following steps:
when the test sample is judged not to exceed the threshold range of the test sample, the qualification is displayed on a display screen of the intelligent terminal, a buzzer is sounded to prompt, and meanwhile, the indicator light is displayed by a green light.
Further, when the test sample is judged to exceed the threshold range of the test specimen, the intelligent terminal prompts that the loudspeaker and the microphone of the recorder to be tested are unqualified, and the method specifically comprises the following steps:
when the test sample is judged to exceed the threshold range of the test specimen, unqualified display is displayed on a display screen of the intelligent terminal, two sounds are sounded along with the buzzer to prompt, and meanwhile, the indicator light is displayed by a red light.
The invention also provides an intelligent terminal, which comprises a processor and a memory connected with the processor, wherein the memory stores a loudspeaker and microphone test program, and the loudspeaker and microphone test program is used for realizing the loudspeaker and microphone test method when being executed by the processor.
The present invention also provides a storage medium having stored thereon a speaker and microphone test program for implementing the speaker and microphone test method when executed by a processor.
The technical scheme adopted by the invention has the following beneficial effects:
the recorder to be tested is placed in the sealed sound insulation box, a preset sweep frequency signal is played by using a loudspeaker of the recorder to be tested, a microphone of the recorder to be tested is used for recording, and an analysis result is obtained through Fourier analysis; the analysis result is compared with the standard frequency spectrum and amplitude, so that whether the loudspeaker and the microphone of the recorder to be tested are qualified or not can be judged, the automatic test of the recorder on a production line is realized, the test equipment is simplified, the test cost is reduced, the phenomena of misjudgment and missing judgment in the test process due to artificial fatigue are reduced, the automatic test method is suitable for the requirement of an automatic production line, and the hardware test efficiency of the recorder is improved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a method for testing a speaker and a microphone in accordance with the present invention.
Fig. 2 is a functional block diagram of a preferred embodiment of the intelligent terminal of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, fig. 1 is a flow chart of a preferred embodiment of a method for testing a speaker and a microphone according to the present invention. As shown in fig. 1, a speaker and microphone testing method includes the following steps:
step S100, presetting a section of sweep frequency signal for testing, obtaining a standard test specimen through the sweep frequency signal, and storing the test specimen into an intelligent terminal.
Generally, in the production process of a recorder, tests on a loudspeaker and a microphone need to be separately tested, namely, the microphone is recorded, then the loudspeaker is adopted to play the recorded content, whether the loudspeaker is qualified or not is judged by artificial hearing, and whether the microphone is qualified or not is further judged; however, the testing method has two disadvantages, namely low testing efficiency which seriously affects subsequent production, and auditory fatigue which is easy to appear during manual judgment, thereby causing phenomena of misdetection and side leakage.
In the embodiment of the invention, a recorder to be detected is placed in a sealed sound insulation box, a section of standard frequency sweeping sound is played by using a loudspeaker of the recorder, and meanwhile, a microphone of the recorder is used for recording, and the standard frequency spectrum and the standard amplitude are compared through calculation and analysis, so that whether the loudspeaker and the microphone of the recorder are qualified or not can be automatically judged; in order to obtain a standard frequency spectrum and standard amplitude, a sweep frequency signal needs to be preset, the sweep frequency signal is stored in a qualified recorder, and the standard frequency spectrum and the standard amplitude of the sweep frequency signal are obtained by testing the qualified recorder in a standard environment.
Further, in order to facilitate comparison in the subsequent test, after the standard frequency spectrum and the standard amplitude of the sweep frequency signal are obtained, the standard frequency spectrum and the standard amplitude are made into a test sample, and the test sample is stored in the intelligent terminal; therefore, when the recorder to be tested is subsequently tested, the loudspeaker and the microphone of the recorder to be tested can be automatically tested only by leading the test specimen into the test software and setting the standard frequency spectrum and the threshold range of the standard amplitude.
Specifically, step S100 specifically includes the following steps:
s101, presetting a section of sweep frequency signal for testing, and storing the sweep frequency signal into a qualified recorder;
s102, testing the qualified recorder by using the sweep frequency signal to obtain a standard frequency spectrum and a standard amplitude of the sweep frequency signal;
s103, making the standard frequency spectrum and the standard amplitude into a test specimen, and storing the test specimen in the intelligent terminal.
And S200, storing the sweep frequency signal in a recorder to be tested, placing the recorder to be tested in a closed sound insulation box, and simultaneously testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal.
In the embodiment of the invention, in mass production, in order to improve the efficiency of testing the recorders, when a large number of recorders need to be tested, the recorders to be tested are connected with the intelligent terminal, and preset sweep frequency signals are stored in the recorders to be tested through the intelligent terminal; meanwhile, in order to reduce the interference of external noise to the test and improve the test precision, the recorder to be tested is required to be placed in a closed sound insulation box during the test.
Further, after closing the sound-proof box, control the record appearance that awaits measuring through sending corresponding instruction at intelligent terminal, specifically be: after the recorder to be tested is connected with the intelligent terminal, sending a playing instruction to the recorder to be tested by using test software on the intelligent terminal, and controlling the recorder to be tested to start a loudspeaker to play a preset frequency sweeping signal; meanwhile, a recording instruction is sent to the recorder to be tested, and the recorder to be tested is controlled to start a microphone to record in real time; after the recording is finished, the recorder to be tested sends the recorded recording signal to the intelligent terminal so that the intelligent terminal can distinguish the recording signal conveniently.
Specifically, step S200 specifically includes the following steps:
s201, storing the sweep frequency signal in a recorder to be tested, and placing the recorder to be tested in a closed sound insulation box;
s202, simultaneously starting a loudspeaker and a microphone of the recorder to be tested, playing the sweep frequency signal by using the loudspeaker, and recording by using the microphone to obtain a recording signal.
And step S300, the intelligent terminal acquires the recording signal, makes the recording signal into a test sample, and compares the test sample with the test specimen.
In the embodiment of the invention, after the recorder to be tested finishes recording, the recorder to be tested sends the recorded recording signal to the intelligent terminal, after the intelligent terminal acquires the recording signal, the Fourier analysis is carried out on the recording signal through the testing software, then the frequency spectrum and the amplitude of the recording signal are obtained, the frequency spectrum and the amplitude of the recording signal are made into the testing sample through the testing software, and the testing sample is compared with the testing sample stored in advance.
Before comparing the test sample with the test specimen, setting a threshold range of the test specimen by test software, specifically: setting an upper limit value and a lower limit value of the frequency of a standard frequency spectrum, and setting an upper limit value and a lower limit value of standard amplitude fluctuation; through setting up the threshold value scope of standard frequency spectrum and standard range, can be so that during the field test, only need to await measuring record appearance and intelligent terminal be connected, can contrast automatically to further judge by the contrast result whether this record appearance accords with the standard, greatly made things convenient for tester's operation, simultaneously, owing to it is that intelligent terminal replaces the manual work to judge, avoided causing the phenomenon of misdetection and neglected testing because of artifical hearing is tired.
That is, specifically, step S300 includes the steps of:
s301, acquiring the recording signal, and performing Fourier analysis on the recording signal to obtain the frequency spectrum and amplitude of the recording signal;
s302, making the frequency spectrum and the amplitude of the recording signal into a test sample, and comparing the test sample with the test specimen.
And S400, judging whether the test sample exceeds the threshold range of the test specimen, and prompting through the intelligent terminal.
In the embodiment of the present invention, after obtaining a test sample, comparing and judging the test sample with a test specimen, and determining whether the test sample exceeds a threshold range of the test specimen, specifically: comparing the frequency spectrum in the test sample with the standard frequency spectrum in the test specimen, and judging whether the frequency spectrum in the test sample exceeds the upper limit value and the lower limit value of the standard frequency spectrum; and meanwhile, comparing the amplitude in the test sample with the standard amplitude in the test specimen, and judging whether the amplitude in the test sample exceeds the upper limit value and the lower limit value of the standard amplitude.
Further, after the comparison, a judgment result is obtained, the data of the tested recorder (the model, the frequency spectrum, the amplitude, the corresponding test result and the like of the tested recorder) are output in a table, and the table is stored for subsequent viewing.
Therefore, after comparison, a judgment result is obtained, the intelligent terminal further prompts the judged result, namely, the test result is prompted in a sound, image, indicator light and other modes, and the method is specifically represented as follows:
when the test sample is judged not to exceed the threshold range of the test sample, displaying the test sample to be qualified on a display screen of the intelligent terminal, giving a prompt along with the sound of a buzzer, and displaying an indicator lamp by a green lamp;
when judging that the test sample exceeds the threshold value scope of test specimen, show nonconforming on intelligent terminal's display screen, sound two with the bee calling organ and indicate, the pilot lamp shows with the red light simultaneously.
The buzzer and the indicator lamp can be built in the intelligent terminal and can also be external equipment, and the intelligent terminal belongs to the prior art and is not described in detail.
Through bee calling organ and pilot lamp carry out supplementary suggestion to the test result, can make things convenient for the tester to classify the record appearance that will be tested fast, have improved the efficiency of software testing of tester field test.
That is, specifically, step S400 includes the steps of:
s401, judging whether the test sample exceeds the threshold range of the test specimen;
s402, when the test sample is judged not to exceed the threshold range of the test specimen, prompting that a loudspeaker and a microphone of the recorder to be tested are qualified through the intelligent terminal;
and S403, when the test sample is judged to exceed the threshold range of the test specimen, prompting that the loudspeaker and the microphone of the recorder to be tested are unqualified through the intelligent terminal.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by instructing relevant hardware (such as a processor, a controller, etc.) through a speaker and microphone testing program, and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
Example two
An embodiment of the present invention further provides an intelligent terminal, as shown in fig. 2, the intelligent terminal according to the embodiment of the present invention may be a computer, a test device, or the like, wherein the intelligent terminal according to the embodiment includes a processor 10 and a memory 20 connected to the processor 10;
the memory 20 stores a speaker and microphone test program for implementing the above-mentioned speaker and microphone test method when executed by the processor 10; as described above.
EXAMPLE III
A storage medium, wherein the storage medium stores a speaker and microphone test program which, when executed by a processor 10, is used to implement the above-described speaker and microphone test method; as described above.
In summary, the recorder to be tested is placed in the sealed sound insulation box, the speaker of the recorder to be tested is used for playing the preset sweep frequency signal, the microphone of the recorder to be tested is used for recording, and the analysis result is obtained through Fourier analysis; the analysis result is compared with the standard frequency spectrum and amplitude, so that whether the loudspeaker and the microphone of the recorder to be tested are qualified or not can be judged, the automatic test of the recorder on a production line is realized, the test equipment is simplified, the test cost is reduced, the phenomena of misjudgment and missing judgment in the test process due to artificial fatigue are reduced, the automatic test method is suitable for the requirement of an automatic production line, and the hardware test efficiency of the recorder is improved.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (4)
1. A speaker and microphone testing method, comprising the steps of:
presetting a section of sweep frequency signal for testing, obtaining a standard test specimen through the sweep frequency signal, and storing the test specimen into an intelligent terminal;
the method specifically comprises the following steps of presetting a section of sweep frequency signal for testing, obtaining a standard test specimen through the sweep frequency signal, and storing the test specimen in an intelligent terminal:
presetting a section of sweep frequency signal for testing, and storing the sweep frequency signal into a qualified recorder;
testing the qualified recorder by using the sweep frequency signal to obtain a standard frequency spectrum and a standard amplitude of the sweep frequency signal;
making the standard frequency spectrum and the standard amplitude into a test specimen, and storing the test specimen into an intelligent terminal;
storing the sweep frequency signal in a recorder to be tested, placing the recorder to be tested in a closed sound insulation box, and simultaneously testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal;
the method comprises the following steps of storing the sweep frequency signal in a recorder to be tested, placing the recorder to be tested in a closed sound insulation box, and testing a loudspeaker and a microphone of the recorder to be tested to obtain a recording signal, wherein the steps comprise:
storing the sweep frequency signal in a recorder to be tested, and placing the recorder to be tested in a closed sound insulation box;
simultaneously starting a loudspeaker and a microphone of the recorder to be tested, playing the sweep frequency signal by using the loudspeaker, and recording by using the microphone to obtain a recording signal;
after the sound insulation box is closed, the intelligent terminal sends a corresponding instruction to control the recorder to be tested, after the recorder to be tested is connected with the intelligent terminal, test software on the intelligent terminal sends a playing instruction to the recorder to be tested, and the recorder to be tested is controlled to start a loudspeaker to play a preset sweep frequency signal; a recording instruction is sent to a recorder to be tested, and the recorder to be tested is controlled to start a microphone to record in real time; after the recording is finished, the recorder to be tested sends the recorded recording signal to the intelligent terminal so that the intelligent terminal can distinguish the recording signal;
the intelligent terminal acquires the recording signal, makes the recording signal into a test sample, and compares the test sample with the test specimen;
the intelligent terminal obtains the recording signal, makes the recording signal into a test sample, and compares the test sample with the test specimen, wherein the method specifically comprises the following steps:
acquiring the recording signal, and carrying out Fourier analysis on the recording signal to obtain the frequency spectrum and amplitude of the recording signal;
making the frequency spectrum and the amplitude of the recording signal into a test sample, and comparing the test sample with the test specimen;
judging whether the test sample exceeds the threshold range of the test specimen, and prompting through the intelligent terminal;
the judging whether the test sample exceeds the threshold range of the test specimen or not and the prompting through the intelligent terminal specifically comprise the following steps:
judging whether the test sample exceeds the threshold range of the test specimen;
when the test sample is judged not to exceed the threshold range of the test specimen, prompting that a loudspeaker and a microphone of the recorder to be tested are qualified through the intelligent terminal;
when the test sample is judged to exceed the threshold range of the test specimen, prompting that a loudspeaker and a microphone of the recorder to be tested are unqualified through the intelligent terminal;
when the test sample is judged not to exceed the threshold range of the test specimen, the intelligent terminal prompts that the loudspeaker and the microphone of the recorder to be tested are qualified specifically, the method comprises the following steps:
when the test sample is judged not to exceed the threshold range of the test sample, displaying the test sample to be qualified on a display screen of the intelligent terminal, giving a prompt along with the sound of a buzzer, and displaying an indicator lamp by a green lamp;
when the test sample is judged to exceed the threshold range of the test specimen, the intelligent terminal prompts that the loudspeaker and the microphone of the recorder to be tested are unqualified, and the method specifically comprises the following steps:
when the test sample is judged to exceed the threshold range of the test specimen, displaying that the test sample is unqualified on a display screen of the intelligent terminal, giving a prompt along with the sounding of a buzzer, and displaying an indicator lamp by a red light;
when a recorder to be tested is subsequently tested, the test specimen is only required to be led into test software, and the standard frequency spectrum and the threshold range of the standard amplitude are set simultaneously to automatically test the loudspeaker and the microphone of the recorder to be tested; by setting the standard frequency spectrum and the threshold range of the standard amplitude, only the recorder to be tested is required to be connected with the intelligent terminal for automatic comparison during field test.
2. The method for testing the loudspeaker and the microphone according to claim 1, wherein the manner of prompting the test result by the intelligent terminal comprises: and prompting a test result through sound, images and an indicator light.
3. An intelligent terminal comprising a processor, and a memory coupled to the processor, the memory storing a speaker and microphone test program, the speaker and microphone test program when executed by the processor being operable to implement the speaker and microphone testing method of any of claims 1-2.
4. A storage medium storing a speaker and microphone test program which, when executed by a processor, is adapted to implement the speaker and microphone test method of any one of claims 1-2.
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| CN110636432A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Microphone testing method and related equipment |
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| CN111243625B (en) * | 2020-01-03 | 2023-03-24 | 合肥讯飞数码科技有限公司 | Method, device and equipment for testing definition of equipment and readable storage medium |
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