CN113676826A - Testing method, device and system of multi-horn module and storage medium - Google Patents
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Abstract
The application discloses a testing method, a testing device, a testing system and a storage medium for a multi-horn module, and relates to the technical field of horn testing. The testing method of the multi-horn module comprises the following steps: acquiring a test instruction; sending an excitation signal to the multi-horn module according to a test instruction and a preset test rule; the multi-horn module comprises a plurality of horns positioned at different positions; receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each acoustic signal is generated by a loudspeaker according to the excitation signal; analyzing and processing the plurality of acoustic signals according to a preset item set, and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise. The test method can automatically test a plurality of items in one test, is high in speed, removes the deviation generated by manual operation, and is high in accuracy.
Description
Technical Field
The present disclosure relates to the field of speaker testing technologies, and in particular, to a method, an apparatus, a system, and a storage medium for testing a multi-speaker module.
Background
In the correlation technique, many loudspeaker modules wide application in places such as car, meeting room, KTV, and the market demand is big, to some specific places, has also proposed higher requirement to the quality of loudspeaker. Therefore, the delivery test efficiency of the loudspeaker is improved, and the delivery quality of the loudspeaker is guaranteed. Current many loudspeaker module test method, in the test process of many loudspeaker modules, carry out one-to-one test usually, once test can only test an item promptly, can not carry out the test of a plurality of items, when carrying out the test of a plurality of items, need the manual work to operate the test that just can go on next item, and during manual operation, because can make the position of loudspeaker produce the deviation, and then can produce the test deviation, can not guarantee to test loudspeaker fast and accurately.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a method, a device, a system and a storage medium for testing a multi-horn module, which can automatically test a plurality of items in one test, have high test speed, remove deviation generated by manual operation and have high accuracy.
According to the test method of the multi-horn module of the first aspect embodiment of this application, including:
acquiring a test instruction;
sending an excitation signal to the multi-horn module according to the test instruction and a preset test rule; the multi-horn module comprises a plurality of horns located at different positions;
receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each of said acoustic signals is generated by one of said loudspeakers in dependence on said excitation signal;
analyzing and processing the acoustic signals according to a preset item set, and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
According to the testing method of the multi-horn module, the testing method at least has the following beneficial effects: firstly, acquiring a test signal, and sending an excitation signal to a multi-horn module according to a preset test rule according to the test signal; then, according to the excitation signal, the loudspeaker makes a sound, and then an acoustic signal is obtained; and then, according to the acoustic signals, carrying out analysis processing on a plurality of items on the loudspeaker according to a preset item set, and outputting test data corresponding to the loudspeaker. The whole process does not need manual participation, comprehensive testing of a plurality of testing items can be carried out in one-time testing, testing efficiency is effectively improved, deviation caused by manual operation is removed, and testing results are more accurate. Therefore, the test method of many loudspeaker modules of this application can carry out the test of a plurality of projects in once testing, and test speed is fast to the deviation of having removed manual operation production, the degree of accuracy is high.
According to some embodiments of the present application, the obtaining test instructions comprises:
acquiring the state of an acoustic muffling box;
if the acoustic muffling box is in a closed state, the test instruction is obtained; wherein, the multi-horn module is arranged in the acoustic muffling box.
According to some embodiments of the present application, the multi-horn module comprises a number of tweeters and a number of woofers;
according to the test instruction sends excitation signal to many loudspeaker modules according to preset test rule, include:
according to the test instruction, sequentially sending an excitation signal to each woofer and then sequentially sending an excitation signal to each tweeter;
or the like, or, alternatively,
and alternately sending excitation signals to each tweeter and each woofer according to the test instruction.
According to some embodiments of the present application, the method for testing a multi-horn module further comprises:
and starting a preset anti-resonance device to remove the resonance generated when the tweeter and the woofer generate sound.
According to some embodiments of the present application, the method for testing a multi-horn module further comprises:
and outputting a test report according to the test data and a preset acoustic test standard.
According to some embodiments of the application, outputting a test report according to the test data and a preset acoustic test standard includes:
judging the test data according to the test data and a preset acoustic test standard, and outputting a judgment result;
and outputting a test report according to the judgment result.
According to some embodiments of the present application, the method for testing a multi-horn module further comprises:
and sending an opening signal to the acoustic sound silencing box according to the test report.
The testing device for the multi-horn module comprises:
the acquisition module is used for acquiring a test instruction;
the signal sending module is used for sending an excitation signal to the multi-horn module according to the test instruction and a preset test rule; the multi-horn module comprises a plurality of horns located at different positions;
the receiving module is used for receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each of said acoustic signals is generated by one of said loudspeakers in dependence on said excitation signal;
the output module is used for analyzing and processing the acoustic signals according to a preset item set and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
According to the testing arrangement of many loudspeaker modules of this application embodiment, have following beneficial effect at least: firstly, acquiring a test signal, and sending an excitation signal to a multi-horn module according to a preset test rule according to the test signal; then, according to the excitation signal, the loudspeaker makes a sound, and then an acoustic signal is obtained; and then, according to the acoustic signals, carrying out analysis processing on a plurality of items on the loudspeaker according to a preset item set, and outputting test data corresponding to the loudspeaker. The whole process does not need manual participation, comprehensive testing of a plurality of testing items can be carried out in one-time testing, testing efficiency is effectively improved, deviation caused by manual operation is removed, and testing results are more accurate. Therefore, the testing arrangement of many loudspeaker modules of this application can carry out the test of a plurality of project rooms in once testing, and is fast to remove the deviation that manual operation produced, the degree of accuracy is high.
According to the test system of many loudspeaker module groups of third aspect embodiment of this application, include:
a multi-horn module;
an acoustic muffling box;
the testing device is arranged on the testing device, the testing device is arranged in the acoustic muffling box, and the testing device is used for executing the testing method of the multi-horn module according to the embodiment of the first aspect.
According to the computer-readable storage medium of the fourth aspect embodiment of the present application, the computer-readable storage medium stores computer-executable instructions for causing a computer to execute the method for testing a multi-horn module according to the first aspect embodiment.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic flowchart illustrating a testing method of a multi-speaker module according to an embodiment of the present disclosure;
fig. 2 is a schematic connection diagram of a testing apparatus for a multi-speaker module according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a testing system of a multi-speaker module according to an embodiment of the present disclosure.
Reference numerals:
the device comprises an acquisition module 100, a signal sending module 110, a receiving module 120, an output module 130, a memory 200 and a processor 300.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It should be noted that although functional block divisions are provided in the system drawings and logical orders are shown in the flowcharts, in some cases, the steps shown and described may be performed in different orders than the block divisions in the systems or in the flowcharts. The terms etc. in the description and claims and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
A method for testing a multi-horn module according to an embodiment of the present application is described below with reference to fig. 1.
It can be understood that, as shown in fig. 1, the method for testing a multi-horn module according to the embodiment of the present application includes:
step S100, obtaining a test instruction;
step S110, sending an excitation signal to the multi-horn module according to a preset test rule according to a test instruction; the multi-horn module comprises a plurality of horns positioned at different positions;
step S120, receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each acoustic signal is generated by a loudspeaker according to the excitation signal;
step S130, analyzing and processing the plurality of acoustic signals according to a preset item set, and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
Firstly, acquiring a test signal, and sending an excitation signal to a multi-horn module according to a preset test rule according to the test signal; then, according to the excitation signal, the loudspeaker makes a sound, and then an acoustic signal is obtained; and then, according to the acoustic signals, carrying out analysis processing on a plurality of items on the loudspeaker according to a preset item set, and outputting test data corresponding to the loudspeaker. The whole process does not need manual participation, comprehensive testing of a plurality of testing items can be carried out in one-time testing, testing efficiency is effectively improved, deviation caused by manual operation is removed, and testing results are more accurate. Therefore, the test method of many loudspeaker modules of this application can carry out the test of a plurality of projects in once testing, and test speed is fast to the deviation of having removed manual operation production, the degree of accuracy is high.
It can be understood that the whole test operation process is that the control software built in the control device controls the test device and the acoustic muffling box to execute steps S100 to S130, the whole test operation process is automatically performed, no personnel is required to perform the operation, and the automation degree is high. In particular, the control device may be a host computer, e.g. a computer.
It is understood that, as shown in fig. 1, the test instructions are obtained, including:
acquiring the state of an acoustic muffling box;
if the acoustic muffling box is in a closed state, obtaining a test instruction; wherein, the multi-horn module is arranged in the acoustic muffling box.
Before the multi-horn module test, the multi-horn module is placed in an acoustic sound-deadening box, and the acoustic sound-deadening box is used for isolating external interference noise and meeting acoustic test standards. And the acoustic muffling box realizes communication through the serial port R232, and further can perform signal interaction with the acoustic muffling box through control software to acquire the state of the acoustic muffling box.
It will be appreciated that as shown in fig. 1, the multi-horn module includes a plurality of tweeters and a plurality of woofers;
according to the test instruction, send excitation signal to many loudspeaker modules according to preset test rule, include:
according to the test instruction, sequentially sending an excitation signal to each woofer and then sequentially sending an excitation signal to each tweeter;
or the like, or, alternatively,
an excitation signal is alternately sent to each tweeter and each woofer in accordance with the test instructions.
When the test is carried out, an excitation signal can be sent to the multi-horn module according to a preset test rule. When the multi-horn module needs to be tested in sequence, the multi-horn module comprises a plurality of tweeters and a plurality of woofers, the multi-horn module can be tested in sequence in a mode that the tweeters and the woofers sequentially and alternately send excitation signals, and the excitation signals can be selected to be sent to the tweeters or the woofers according to requirements; when the sequence is not needed, the excitation signals are sent to all the woofers one by one, then the excitation signals are sent to all the tweeters one by one, and according to the requirement, the excitation signals can be sent to all the tweeters one by one, and then the excitation signals are sent to all the woofers one by one; wherein, the high pitch horn is a horn with a wave band range of 2000-20000 Hz, and the low pitch horn is a horn with a wave band range of 20-200 Hz.
It can be understood that, as shown in fig. 1, the method for testing a multi-horn module further includes:
the preset anti-resonance device is started to remove the resonance generated when the high pitch loudspeaker and the low pitch loudspeaker produce sound.
It can be understood that the anti-resonance device is arranged on one side of the multi-horn module, is electrically connected with the control equipment, and is inconsistent with the multi-horn module through controlling the anti-resonance device, so that resonance generated when the high pitch horn and the low pitch horn produce sound can be removed.
Through setting up anti-resonance device, can effectually get rid of the produced resonance of many loudspeaker modules when the test.
It can be understood that the testing method of the multi-horn module further includes:
and outputting a test report according to the test data and a preset acoustic test standard.
It is understood that the test report is output according to the test data and the preset acoustic test standard, and comprises:
judging the test data according to the test data and a preset acoustic test standard, and outputting a judgment result;
and outputting a test report according to the judgment result.
By judging the test data, the test result can be obtained quickly, and the test report of the multi-horn module can be output quickly.
It can be understood that the testing method of the multi-horn module further comprises the following steps:
and sending an opening signal to the acoustic sound silencing box according to the test report.
It can be understood that the acoustic muffling box is provided with the air cylinder, and the air cylinder of the acoustic muffling box is controlled by control software to automatically complete the box opening action. Therefore, the control software is used for controlling the action of the acoustic muffling box, the complex operation of manual opening is avoided, and higher automatic operation is realized.
It will be appreciated that a microphone is provided adjacent each tweeter and each woofer, through which a number of acoustic signals corresponding to the excitation signal may be received, and that the microphone is communicatively connected to the control device, the microphone being operable to transmit the received acoustic signals to the control device.
A test apparatus for a multi-horn module according to an embodiment of the present application is described below with reference to fig. 2.
It can be understood that, as shown in fig. 2, the testing apparatus for a multi-horn module according to the embodiment of the present application includes:
an obtaining module 100, configured to obtain a test instruction;
the signal sending module 110 is configured to send an excitation signal to the multi-horn module according to a preset test rule according to the test instruction; the multi-horn module comprises a plurality of horns positioned at different positions;
a receiving module 120, configured to receive a plurality of acoustic signals corresponding to the excitation signal; wherein each acoustic signal is generated by a loudspeaker according to the excitation signal;
the output module 130 is configured to analyze and process the acoustic signals according to a preset item set, and output test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
Firstly, acquiring a test signal, and sending an excitation signal to a multi-horn module according to a preset test rule according to the test signal; then, according to the excitation signal, the loudspeaker makes a sound, and then an acoustic signal is obtained; and then, according to the acoustic signals, carrying out analysis processing on a plurality of items on the loudspeaker according to a preset item set, and outputting test data corresponding to the loudspeaker. The whole process does not need manual participation, comprehensive testing of a plurality of testing items can be carried out in one-time testing, testing efficiency is effectively improved, deviation caused by manual operation is removed, and testing results are more accurate. Therefore, the testing arrangement of many loudspeaker modules of this application can carry out the test of a plurality of projects automatically in a test, and is fast to remove the deviation that manual operation produced, the degree of accuracy is high.
The following describes a test system of a multi-horn module according to an embodiment of the present application.
It can be understood that the test system of the multi-horn module of the embodiment of the present application includes:
a multi-horn module;
an acoustic muffling box;
the testing device is arranged on the testing device, the testing device is arranged in the acoustic muffling box, and the testing device is used for executing the testing method of the multi-horn module.
A test system for a multi-horn module according to another embodiment of the present application is described below with reference to fig. 3.
As shown in fig. 3, the testing system of the multi-speaker module according to the embodiment of the present application may be any type of intelligent terminal, such as a mobile phone, a tablet computer, a personal computer, and the like.
Specifically, many loudspeaker module's test system includes:
at least one memory 200;
at least one processor 300;
at least one program;
the programs are stored in the memory 200, and the processor 300 executes at least one program to implement the method for testing the multi-horn module. Fig. 3 illustrates an example of a processor 300.
The processor 300 and the memory 200 may be connected by a bus or other means, and fig. 3 illustrates a connection by a bus as an example.
The memory 200 is a non-transitory computer readable storage medium, and can be used to store non-transitory software programs, non-transitory computer executable programs, and signals, such as program instructions/signals corresponding to the testing system of the multi-horn module in the embodiment of the present application. The processor 300 executes various functional applications and data processing by running the non-transitory software programs, instructions and signals stored in the memory 200, so as to implement the testing method of the multi-horn module according to the above-mentioned method embodiment.
The memory 200 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area can store the related data of the testing method of the multi-horn module and the like. Further, the memory 200 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 200 may optionally include a memory remotely located from the processor 300, and these remote memories may be connected to the multi-horn module test system via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more signals are stored in the memory 200 and, when executed by the one or more processors 300, perform a method of testing a multi-horn module in any of the method embodiments described above. For example, the above-described method steps S100 to S130 in fig. 1 are performed.
A computer-readable storage medium according to an embodiment of the present application is described below with reference to fig. 3.
As shown in fig. 3, the computer-readable storage medium stores computer-executable instructions, which are executed by one or more processors 300, for example, by one of the processors 300 in fig. 3, and can cause the one or more processors 300 to execute the method for testing the multi-horn module in the above-described method embodiment. For example, the above-described method steps S100 to S130 in fig. 1 are performed.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
From the above description of embodiments, those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media and communication media. The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. In addition, communication media typically embodies computer readable signals, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The test method of many loudspeaker modules, its characterized in that includes:
acquiring a test instruction;
sending an excitation signal to the multi-horn module according to the test instruction and a preset test rule; the multi-horn module comprises a plurality of horns located at different positions;
receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each of said acoustic signals is generated by one of said loudspeakers in dependence on said excitation signal;
analyzing and processing the acoustic signals according to a preset item set, and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
2. The method for testing the multi-horn module according to claim 1, wherein the obtaining of the test instruction comprises:
acquiring the state of an acoustic muffling box;
if the acoustic muffling box is in a closed state, the test instruction is obtained; wherein, the multi-horn module is arranged in the acoustic muffling box.
3. The method of testing a multi-horn module of claim 1 wherein the multi-horn module comprises a plurality of tweeters and a plurality of woofers;
according to the test instruction sends excitation signal to many loudspeaker modules according to preset test rule, include:
according to the test instruction, sequentially sending an excitation signal to each woofer and then sequentially sending an excitation signal to each tweeter;
or the like, or, alternatively,
and alternately sending excitation signals to each tweeter and each woofer according to the test instruction.
4. The method for testing a multi-horn module of claim 3, further comprising:
and starting a preset anti-resonance device to remove the resonance generated when the tweeter and the woofer generate sound.
5. The method for testing a multi-horn module of claim 2, further comprising:
and outputting a test report according to the test data and a preset acoustic test standard.
6. The method for testing the multi-horn module according to claim 5, wherein outputting a test report according to the test data and a preset acoustic test standard comprises:
judging the test data according to the test data and a preset acoustic test standard, and outputting a judgment result;
and outputting a test report according to the judgment result.
7. The method for testing a multi-horn module of claim 6, further comprising:
and sending an opening signal to the acoustic sound silencing box according to the test report.
8. Testing arrangement of many loudspeaker modules, its characterized in that includes:
the acquisition module is used for acquiring a test instruction;
the signal sending module is used for sending an excitation signal to the multi-horn module according to the test instruction and a preset test rule; the multi-horn module comprises a plurality of horns located at different positions;
the receiving module is used for receiving a plurality of acoustic signals corresponding to the excitation signals; wherein each of said acoustic signals is generated by one of said loudspeakers in dependence on said excitation signal;
the output module is used for analyzing and processing the acoustic signals according to a preset item set and outputting test data corresponding to the acoustic signals; wherein the set of items includes frequency response, total harmonic distortion, polarity, noise.
9. Many loudspeaker module's test system, its characterized in that includes:
a multi-horn module;
an acoustic muffling box;
a testing device, on which the horn module is placed, the testing device being placed inside the acoustic muffling chamber, the testing device being configured to perform a method of testing a multi-horn module according to any one of claims 1 to 7.
10. Computer-readable storage media, wherein computer-executable instructions are stored, and the computer-executable instructions are used for causing a computer to execute the method for testing a multi-horn module according to any one of claims 1 to 7.
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| CN114390421A (en) * | 2021-12-03 | 2022-04-22 | 伟创力电子技术(苏州)有限公司 | Automatic testing method for microphone matrix and loudspeaker |
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