CN111654799A - Loudspeaker unit identification method and device - Google Patents
Loudspeaker unit identification method and device Download PDFInfo
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- CN111654799A CN111654799A CN201911422860.3A CN201911422860A CN111654799A CN 111654799 A CN111654799 A CN 111654799A CN 201911422860 A CN201911422860 A CN 201911422860A CN 111654799 A CN111654799 A CN 111654799A
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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
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- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The embodiment of the application discloses a loudspeaker unit identification method and a loudspeaker unit identification device, wherein the method comprises the following steps: when a unit identification instruction is received, sending a test signal to a loudspeaker unit to be tested; obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal; according to the measured impedance curve, searching a target impedance curve matched with the measured impedance curve in a unit model library; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve; and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested. By implementing the embodiment of the application, the type of the loudspeaker unit can be efficiently identified.
Description
Technical Field
The application relates to the technical field of loudspeaker control, in particular to a loudspeaker unit identification method and device.
Background
When the public address system was built, the constructor took place occasionally with the condition of the drive cable of mistake speaker unit, if constructor will originally insert the wrong access tweeter unit of drive cable that the woofer unit, often lead to the tweeter unit to be burnt out, if constructor will originally insert the wrong access woofer unit of drive cable of tweeter unit, can seriously influence the effect of public address system usually, consequently, how the type of high-efficient discernment speaker unit has become the problem that needs the solution in the trade urgently.
Disclosure of Invention
The embodiment of the application discloses a loudspeaker unit identification method and device, which can efficiently identify the type of a loudspeaker unit.
A first aspect of an embodiment of the present application discloses a speaker unit identification method, including:
when a unit identification instruction is received, sending a test signal to a loudspeaker unit to be tested;
obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
according to the measured impedance curve, searching a target impedance curve matched with the measured impedance curve in a unit model library; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve;
and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
As an optional implementation manner, in the first aspect of the embodiment of the present application, before obtaining the measured impedance curve of the speaker unit under test according to the current signal and the voltage signal when the speaker unit under test plays the test signal, the method further includes:
judging whether the current signal is abnormal when the loudspeaker unit to be tested plays the test signal;
if the loudspeaker unit to be tested is abnormal, outputting first prompt information indicating that the loudspeaker unit to be tested is missed;
and if the test signal is normal, executing the test signal according to the current signal and the voltage signal when the test signal is played by the loudspeaker unit to be tested to obtain a measurement impedance curve of the loudspeaker unit to be tested.
As an optional implementation manner, in the first aspect of the embodiment of the present application, if the unit model library stores a correspondence between a unit type of a speaker unit and a nonlinear parameter curve, and after determining a unit type corresponding to the target impedance curve as the unit type of the speaker unit to be tested, the method further includes:
acquiring a test nonlinear parameter curve of the loudspeaker unit to be tested;
searching a target nonlinear parameter curve corresponding to the unit type of the loudspeaker unit to be tested in the unit model library;
judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve;
and if not, outputting second prompt information indicating that the polarity of the loudspeaker unit to be tested is abnormal.
As an optional implementation manner, in the first aspect of the embodiment of the present application, if the unit model library stores a correspondence between unit types of speaker units and unit presets, the method further includes:
when the test nonlinear parameter curve is matched with the target nonlinear parameter curve, acquiring target presets from the unit model library according to the unit type of the loudspeaker unit to be tested;
judging whether the loudspeaker unit to be tested is loaded with preset or not;
if the current preset of the loudspeaker unit to be tested is loaded, judging whether the current preset of the loudspeaker unit to be tested is matched with the target preset, and if not, updating the current preset by using the target preset;
and if not, loading the target preset to be the preset of the loudspeaker unit to be tested.
As an optional implementation manner, in the first aspect of this embodiment of the present application, before the searching, according to the measured impedance curve, a target impedance curve matched with the measured impedance curve in a unit model library, the method further includes:
acquiring an environmental parameter; wherein the environmental parameters include at least temperature, humidity, and air pressure;
and acquiring a unit model library corresponding to the environment parameters.
A second aspect of the embodiments of the present application discloses a speaker unit identification apparatus, including:
the sending unit is used for sending the test signal to the loudspeaker unit to be tested when the unit identification instruction is received;
the acquisition unit is used for acquiring a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
the searching unit is used for searching a target impedance curve matched with the measured impedance curve in a unit model library according to the measured impedance curve; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve; and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
As an optional implementation manner, in a second aspect of embodiments of the present application, the speaker unit identification apparatus further includes:
the first judgment unit is used for judging whether the current signal is abnormal when the loudspeaker unit to be tested plays the test signal before the acquisition unit obtains the measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
the first prompting unit is used for outputting first prompting information indicating that the loudspeaker unit to be tested is in a missing connection state when the current signal is abnormal;
the first judging unit is further configured to trigger the obtaining unit to execute the current signal and the voltage signal according to the test signal played by the speaker unit to be tested when the current signal is normal, so as to obtain a measured impedance curve of the speaker unit to be tested.
As an optional implementation manner, in the second aspect of the embodiment of the present application, if the unit model library stores a correspondence between a unit type of a speaker unit and a nonlinear parameter curve, the obtaining unit is further configured to obtain a test nonlinear parameter curve corresponding to the unit type of the speaker unit to be tested after the finding unit determines the unit type corresponding to the target impedance curve as the unit type of the speaker unit to be tested;
the searching unit is further configured to search the unit model library for a target nonlinear parameter curve corresponding to the unit type of the speaker unit to be tested;
the speaker unit recognition apparatus further includes:
the second judging unit is used for judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve;
and the second prompting unit is used for outputting second prompting information indicating that the polarity of the loudspeaker unit to be tested is abnormal when the test nonlinear parameter curve is not matched with the target nonlinear parameter curve.
As an optional implementation manner, in the second aspect of the embodiment of the present application, if the unit model library stores a correspondence between a unit type of a speaker unit and a unit preset, the searching unit is further configured to obtain a target preset from the unit model library according to the unit type of the speaker unit to be tested when the test nonlinear parameter curve matches the target nonlinear parameter curve;
the second judging unit is further configured to judge whether the speaker unit to be tested is loaded with a preset;
the speaker unit recognition apparatus further includes:
the processing unit is used for judging whether the current preset of the loudspeaker unit to be tested is matched with the target preset when the preset is loaded on the loudspeaker unit to be tested, and if not, updating the current preset by using the target preset; and loading the target preset as the preset of the loudspeaker unit to be tested when the preset is not loaded on the loudspeaker unit to be tested.
As an optional implementation manner, in the second aspect of the embodiment of the present application, the obtaining unit is further configured to obtain an environmental parameter before the searching unit searches, according to the measured impedance curve, a target impedance curve matched with the measured impedance curve in a unit model library; wherein the environmental parameters include at least temperature, humidity, and air pressure; and acquiring a unit model library corresponding to the environment parameters.
A third aspect of the embodiments of the present application discloses a speaker unit identification apparatus, including:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the steps of the speaker unit identification method disclosed in the first aspect of the embodiments of the present application.
A fourth aspect of the embodiments of the present application discloses a computer-readable storage medium, on which computer instructions are stored, where the computer instructions, when executed, make a computer perform the steps of the speaker unit identification method disclosed in the first aspect of the embodiments of the present application.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
in the embodiment of the application, when the unit identification instruction is received, the test signal is sent to the loudspeaker unit to be tested; obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal; according to the measured impedance curve, searching a target impedance curve matched with the measured impedance curve in a unit model library; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve; and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested. By implementing the method, the measured impedance curve of the loudspeaker unit to be tested is obtained according to the electric signal when the loudspeaker unit to be tested plays the test signal, and the type of the loudspeaker unit to be tested can be efficiently identified based on the unit model library which stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without making a creative effort.
Fig. 1 is a schematic flowchart of a speaker unit identification method disclosed in an embodiment of the present application;
fig. 2 is a schematic flow chart of another speaker unit identification method disclosed in the embodiments of the present application;
fig. 3 is a schematic flowchart of another speaker unit identification method disclosed in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a speaker unit identification apparatus disclosed in an embodiment of the present application;
fig. 5 is a schematic structural diagram of another speaker unit identification apparatus disclosed in the embodiment of the present application;
fig. 6 is a schematic structural diagram of another speaker unit identification apparatus disclosed in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a speaker unit identification apparatus disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "comprises," "comprising," and any variations thereof in the embodiments and drawings of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the application discloses a speaker unit identification method and device, which can efficiently identify the type of a speaker unit and are described in detail below.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a speaker unit identification method disclosed in an embodiment of the present application, and the speaker unit identification method shown in fig. 1 may specifically include the following steps:
101. and when the unit identification instruction is received, sending the test signal to the loudspeaker unit to be tested.
It should be noted that, in the embodiment of the present application, the speaker unit under test may be a speaker unit or a plurality of speaker units of the same type connected in series or in parallel. Alternatively, the signal level of the test signal may be a specific level, and the speaker unit is in a silent state when the test signal of the specific level is played. By implementing the method, the test noise can be avoided.
102. And obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal.
As an optional implementation manner, in this embodiment, before step 102, the following steps may also be performed:
acquiring an environmental parameter; wherein the environmental parameters at least include temperature, humidity and air pressure;
and acquiring a unit model library corresponding to the environment parameters.
It should be noted that characteristic parameters (such as an impedance curve, an amplitude-frequency response curve, a phase-frequency response curve, a maximum sound pressure level curve, and the like) of a speaker unit are generally affected by environmental parameters of an area where the speaker unit is located, that is, the same characteristic parameter may have a difference at different temperatures, humidity, or air pressure of the same speaker unit.
103. Searching a target impedance curve matched with the measured impedance curve in a unit model library according to the measured impedance curve; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve.
104. And determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
In this embodiment of the application, the unit identification instruction may be triggered by a user operating the speaker unit identification device, or may be triggered by a user operating a mobile terminal (such as a mobile phone, a tablet, and a wearable device), which is not limited in this embodiment of the application. If the unit identification command is triggered by a user operating the mobile terminal, the speaker unit identification device may be provided with a bluetooth module or a Wifi module to support the mobile terminal and the speaker unit identification device to implement data interaction. Based on the description, after step 104, the unit type of the speaker unit to be tested may also be sent to the mobile terminal, so as to implement the method, facilitate the user operation, and contribute to improving the user experience.
By implementing the method, the type of the loudspeaker unit to be tested can be efficiently identified, the test noise can be avoided, the identification precision of the loudspeaker unit to be tested can be improved, and the use experience of a user can be improved.
Example two
Referring to fig. 2, fig. 2 is a schematic flow chart of another speaker unit identification method disclosed in the embodiment of the present application, where the unit model library stores a correspondence between unit types of speaker units and nonlinear parameter curves, and the speaker unit identification method shown in fig. 2 may specifically include the following steps:
201. and when the unit identification instruction is received, sending the test signal to the loudspeaker unit to be tested.
202. Judging whether the current signal of the loudspeaker unit to be tested is abnormal when playing the test signal, if so, executing step 203; if not, go to step 204-step 206.
203. And outputting first prompt information indicating that the loudspeaker unit to be tested is missed.
By executing the step 202 to the step 203, under the condition that the current signal is abnormal when the loudspeaker unit plays the test signal, the first prompt information indicating that the loudspeaker unit to be tested is missed is output, whether the loudspeaker unit is missed is checked without manually spending time, and the construction efficiency of the sound amplifying system can be improved.
204. And obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal.
205. Searching a target impedance curve matched with the measured impedance curve in a unit model library according to the measured impedance curve; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve.
206. And determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
207. And acquiring a test nonlinear parameter curve of the loudspeaker unit to be tested.
208. And searching a target nonlinear parameter curve corresponding to the unit type of the loudspeaker unit to be tested in the unit model library.
209. Judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve or not, if so, ending the process; if not, go to step 210.
210. And outputting second prompt information indicating that the polarity of the loudspeaker unit to be tested is abnormal.
In this embodiment of the application, the output form of the first prompt message and the second prompt message may be a voice output form, an indicator light flashing form, or a text output form, and the embodiment of the application is not limited. If the unit identification instruction is triggered by a user through operating the mobile terminal, the first prompt information and the second prompt information can be sent to the mobile terminal, and when a navigation instruction sent by the mobile terminal is received, the first position information of the loudspeaker unit to be tested is sent to the mobile terminal, the mobile terminal generates a search path for the loudspeaker unit to be tested according to the second position information and the first position information of the mobile terminal, and displays the search path.
For detailed description of steps 204 to 206, please refer to the descriptions of steps 102 to 104 in embodiment two, which is not described again in this embodiment. The test nonlinear parameter curve of the loudspeaker unit to be tested can be obtained according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal.
Step 207 to step 210 are executed, whether the polarity of the speaker unit to be tested is normal or not can be detected, and when the polarity of the speaker unit to be tested is abnormal, prompt information is output, so that the building efficiency of the sound reinforcement system can be further improved.
By implementing the method, the type of the loudspeaker unit to be tested can be efficiently identified, the test noise can be avoided, the identification precision of the loudspeaker unit to be tested can be improved, the use experience of a user can be improved, the construction efficiency of the sound amplifying system can be improved based on the missed-connection prompt and the polarity abnormity prompt, and the user can be assisted to quickly find the missed-connection or polarity abnormal loudspeaker unit under the condition that the constructed sound amplifying system is huge.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic flowchart of another speaker unit identification method disclosed in the embodiment of the present application, where a unit model library stores a correspondence between unit types of speaker units and unit presets, and the speaker unit identification method shown in fig. 3 may specifically include the following steps:
please refer to the descriptions of step 201 to step 208 and step 310 in the second embodiment, and please refer to the detailed descriptions of step 301 to step 308 and step 310, which are not described again in this embodiment.
309. Judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve, if so, executing the step 311 to the step 312; if not, go to step 310.
311. And acquiring target presets from the unit model library according to the unit types of the loudspeaker units to be tested.
312. Judging whether the loudspeaker unit to be tested is loaded with preset, if so, executing step 313; if not, go to step 315.
313. Judging whether the current preset and the target preset of the loudspeaker unit to be tested are matched, if so, ending the process; if not, go to step 314.
314. And updating the current preset by using the target preset.
315. And presetting the loading target as the preset of the loudspeaker unit to be tested.
And 311 to 315 are executed, and when the polarity of the speaker unit to be tested is normal, the preset automatic detection, updating and loading of the speaker unit to be tested can be realized.
By implementing the method, the type of the loudspeaker unit to be tested can be efficiently identified, the test noise can be avoided, the identification precision of the loudspeaker unit to be tested can be improved, the use experience of a user can be improved, and the construction efficiency of the sound amplifying system can be improved based on missed connection prompt, polarity abnormity prompt, preset detection, update and loading.
Example four
Referring to fig. 4, fig. 4 is a schematic structural diagram of a speaker unit identification apparatus disclosed in the embodiment of the present application. As shown in fig. 4, the speaker unit recognition apparatus may include:
a sending unit 401, configured to send a test signal to a speaker unit to be tested when receiving the unit identification instruction;
an obtaining unit 402, configured to obtain a measured impedance curve of the speaker unit to be tested according to the current signal and the voltage signal when the speaker unit to be tested plays the test signal;
a searching unit 403, configured to search a target impedance curve matched with the measured impedance curve in a unit model library according to the measured impedance curve; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve; and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
Optionally, in this embodiment of the application, the obtaining unit 402 is further configured to obtain the environmental parameter before the searching unit 403 searches, according to the measured impedance curve, for a target impedance curve matched with the measured impedance curve in the unit model library; wherein the environmental parameters at least include temperature, humidity and air pressure; and acquiring a unit model library corresponding to the environment parameters. It should be noted that characteristic parameters (such as an impedance curve, an amplitude-frequency response curve, a phase-frequency response curve, a maximum sound pressure level curve, and the like) of the speaker unit are usually affected by the environmental parameters where the speaker unit is located, that is, the same characteristic parameter may have a difference at different temperatures, humidity, or air pressures of the same speaker unit.
In this embodiment of the application, reference may be made to the description in the first embodiment for introduction of the unit identification instruction, which is not described herein again in this embodiment of the application, and the search unit 403 may be further configured to send the unit type of the speaker unit to be tested to the mobile terminal after determining the unit type corresponding to the target impedance curve as the unit type of the speaker unit to be tested.
Through implementing above-mentioned speaker unit recognition device, can realize the high-efficient discernment to the speaker unit type that awaits measuring, can also avoid producing the test noise, can also improve user's use and experience the sense, can also realize user remote operation speaker unit recognition device.
EXAMPLE five
Referring to fig. 5, fig. 5 is a schematic structural diagram of another speaker unit identification apparatus disclosed in the embodiment of the present application, where the speaker unit identification apparatus shown in fig. 5 is obtained by optimizing the speaker unit identification apparatus shown in fig. 4, and the speaker unit identification apparatus shown in fig. 5 may further include:
a first judging unit 404, configured to judge whether a current signal of the speaker unit to be tested playing the test signal is abnormal before the obtaining unit 402 obtains a measured impedance curve of the speaker unit to be tested according to the current signal and the voltage signal of the speaker unit to be tested playing the test signal;
a first prompt unit 405, configured to output a first prompt message indicating that the speaker unit to be tested is missed when the current signal is abnormal;
under the condition that the current signal is abnormal when the loudspeaker unit plays the test signal, the first prompt unit 405 outputs first prompt information indicating that the loudspeaker unit to be tested is in missed connection, whether the loudspeaker unit is in missed connection or not needs to be checked in time manually, and the construction efficiency of the sound amplifying system can be improved.
The first determining unit 404 is further configured to trigger the obtaining unit 402 to execute the current signal and the voltage signal according to the test signal played by the speaker unit to be tested when the current signal is normal, so as to obtain a measured impedance curve of the speaker unit to be tested.
Optionally, in this embodiment of the application, the unit model library may further store a corresponding relationship between the unit type of the speaker unit and the nonlinear parameter curve, and the obtaining unit 402 is further configured to obtain a test nonlinear parameter curve corresponding to the unit type of the speaker unit to be tested after the searching unit 403 determines the unit type corresponding to the target impedance curve as the unit type of the speaker unit to be tested;
the searching unit 403 is further configured to search a target nonlinear parameter curve corresponding to the unit type of the speaker unit to be tested in the unit model library;
further optionally, the speaker unit identification apparatus may further include:
a second determining unit 406, configured to determine whether the test nonlinear parameter curve matches the target nonlinear parameter curve;
the second prompting unit 407 is configured to output second prompting information indicating that the polarity of the speaker unit to be tested is abnormal when the test nonlinear parameter curve does not match the target nonlinear parameter curve.
The second determining unit 406 may detect whether the polarity of the speaker unit to be detected is normal, and when the polarity of the speaker unit to be detected is abnormal, the second prompting unit 407 outputs a prompting message, which may further improve the building efficiency of the sound amplifying system.
In this embodiment of the application, the output form of the first prompt message and the second prompt message may be a voice output form, an indicator light flashing form, or a text output form, and the embodiment of the application is not limited. If the unit identification instruction is triggered by a user through operating the mobile terminal, the first prompt unit 405 and the second prompt unit 407 can also respectively send first prompt information and second prompt information to the mobile terminal, and when a navigation instruction sent by the mobile terminal is received, the first position information of the speaker unit to be tested is sent to the mobile terminal, the mobile terminal generates a search path for the speaker unit to be tested according to the second position information and the first position information of the mobile terminal, and displays the search path.
By implementing the loudspeaker unit identification device, the type of the loudspeaker unit to be tested can be efficiently identified, test noise can be avoided, the identification precision of the loudspeaker unit to be tested can be improved, the user experience can be improved, the construction efficiency of the sound amplifying system can be improved based on missed connection prompt and polarity abnormity prompt, and the user can be assisted to quickly find the missed connection or polarity abnormity loudspeaker unit under the condition that the constructed sound amplifying system is huge.
EXAMPLE six
Referring to fig. 6, fig. 6 is a schematic structural diagram of another speaker unit identification apparatus disclosed in the embodiment of the present application, and the speaker unit identification apparatus shown in fig. 6 is obtained by optimizing the speaker unit identification apparatus shown in fig. 5, where the unit model library may store a correspondence between unit types and unit presets of speaker units, and the search unit 403 is further configured to obtain a target preset from the unit model library according to the unit types of speaker units to be tested when a test nonlinear parameter curve matches a target nonlinear parameter curve.
The second judging unit 406 is further configured to judge whether the speaker unit to be tested is loaded with a preset;
the speaker unit recognition apparatus may further include:
the processing unit 408 is configured to, when the preset has been loaded on the speaker unit to be tested, determine whether the current preset of the speaker unit to be tested matches the target preset, and if not, update the current preset with the target preset; and when the preset is not loaded on the loudspeaker unit to be tested, the loading target preset is the preset of the loudspeaker unit to be tested.
And 311 to 315 are executed, when the polarity of the speaker unit to be tested is normal, the preset automatic detection, updating and loading of the speaker unit to be tested is realized based on the second judging unit 406 and the processing unit 408, and even if the user connects the high tone and the low tone in reverse, the situation that the high tone unit is damaged or the effect of the sound amplifying system is influenced does not exist, which is beneficial to further improving the building efficiency of the sound amplifying system.
By implementing the loudspeaker unit identification device, the type of the loudspeaker unit to be detected can be efficiently identified, the generation of test noise can be avoided, the identification precision of the loudspeaker unit to be detected can be improved, the use experience of a user can be improved, the construction efficiency of the sound amplification system can be improved based on missed connection prompt, polarity abnormity prompt, preset detection, updating and loading, and the user can be assisted to quickly find the missed connection or polarity abnormity loudspeaker unit under the condition that the constructed sound amplification system is huge.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a speaker unit identification apparatus according to an embodiment of the present application. As shown in fig. 7, the speaker unit recognition apparatus may include:
a memory 701 in which executable program code is stored;
a processor 702 coupled to the memory 701;
the processor 702 calls the executable program code stored in the memory 701 to execute some or all of the steps executed in fig. 1 to 3.
The embodiment of the application discloses a computer readable storage medium, which stores a computer program, wherein the computer program enables a computer to execute part or all of the steps executed by the figures 1-3.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by instructions associated with a program, which may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc-Read-Only Memory (CD-ROM), or other Memory, magnetic disk, magnetic tape, or magnetic tape, Or any other medium which can be used to carry or store data and which can be read by a computer.
The speaker unit identification method and device disclosed in the embodiments of the present application are described in detail above, and specific examples are applied herein to explain the principles and implementations of the present application, and the size of the step numbers in the specific examples does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and internal logic, but should not be limited to the implementation process of the embodiments of the present application. The units described as separate parts may or may not be physically separate, and some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
The word "or" herein generally means that the pre-and post-associated objects are in an "or" relationship. In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also be determined from a and or other information. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. If the integrated unit is implemented as a software functional unit and sold or used as a stand-alone product, it may be stored in a memory accessible to a computer. Based on such understanding, the technical solution of the present application, which is a part of or contributes to the prior art in essence, or all or part of the technical solution, may be embodied in the form of a software product, stored in a memory, including several requests for causing a computer device (which may be a personal computer, a server, a network device, or the like, and may specifically be a processor in the computer device) to execute part or all of the steps of the above-described method of the embodiments of the present application.
The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (12)
1. A speaker unit identification method, the method comprising:
when a unit identification instruction is received, sending a test signal to a loudspeaker unit to be tested;
obtaining a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
according to the measured impedance curve, searching a target impedance curve matched with the measured impedance curve in a unit model library; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve;
and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
2. The method of claim 1, wherein before obtaining the measured impedance curve of the speaker unit under test according to the current signal and the voltage signal when the speaker unit under test plays the test signal, the method further comprises:
judging whether the current signal is abnormal when the loudspeaker unit to be tested plays the test signal;
if the loudspeaker unit to be tested is abnormal, outputting first prompt information indicating that the loudspeaker unit to be tested is missed;
and if the test signal is normal, executing the test signal according to the current signal and the voltage signal when the test signal is played by the loudspeaker unit to be tested to obtain a measurement impedance curve of the loudspeaker unit to be tested.
3. The method according to claim 1 or 2, wherein if the unit model library stores the corresponding relationship between the unit type of the speaker unit and the nonlinear parameter curve, and after determining the unit type corresponding to the target impedance curve as the unit type of the speaker unit under test, the method further comprises:
acquiring a test nonlinear parameter curve of the loudspeaker unit to be tested;
searching a target nonlinear parameter curve corresponding to the unit type of the loudspeaker unit to be tested in the unit model library;
judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve;
and if not, outputting second prompt information indicating that the polarity of the loudspeaker unit to be tested is abnormal.
4. The method of claim 3, wherein if the unit model library stores a correspondence between unit types of speaker units and unit presets, the method further comprises:
when the test nonlinear parameter curve is matched with the target nonlinear parameter curve, acquiring target presets from the unit model library according to the unit type of the loudspeaker unit to be tested;
judging whether the loudspeaker unit to be tested is loaded with preset or not;
if the current preset of the loudspeaker unit to be tested is loaded, judging whether the current preset of the loudspeaker unit to be tested is matched with the target preset, and if not, updating the current preset by using the target preset;
and if not, loading the target preset to be the preset of the loudspeaker unit to be tested.
5. The method according to any one of claims 1 to 4, wherein before searching a target impedance curve matching the measured impedance curve in a cell model library according to the measured impedance curve, the method further comprises:
acquiring an environmental parameter; wherein the environmental parameters include at least temperature, humidity, and air pressure;
and acquiring a unit model library corresponding to the environment parameters.
6. A speaker unit identifying apparatus, characterized in that the speaker unit identifying apparatus comprises:
the sending unit is used for sending the test signal to the loudspeaker unit to be tested when the unit identification instruction is received;
the acquisition unit is used for acquiring a measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
the searching unit is used for searching a target impedance curve matched with the measured impedance curve in a unit model library according to the measured impedance curve; the unit model library stores the corresponding relation between the unit type of the loudspeaker unit and the impedance curve; and determining the unit type corresponding to the target impedance curve as the unit type of the loudspeaker unit to be tested.
7. The speaker unit recognition apparatus according to claim 6, further comprising:
the first judgment unit is used for judging whether the current signal is abnormal when the loudspeaker unit to be tested plays the test signal before the acquisition unit obtains the measured impedance curve of the loudspeaker unit to be tested according to the current signal and the voltage signal when the loudspeaker unit to be tested plays the test signal;
the first prompting unit is used for outputting first prompting information indicating that the loudspeaker unit to be tested is in a missing connection state when the current signal is abnormal;
the first judging unit is further configured to trigger the obtaining unit to execute the current signal and the voltage signal according to the test signal played by the speaker unit to be tested when the current signal is normal, so as to obtain a measured impedance curve of the speaker unit to be tested.
8. The device for identifying a speaker unit according to claim 6 or 7, wherein if the unit model library stores a correspondence between unit types of speaker units and nonlinear parameter curves, the obtaining unit is further configured to obtain a test nonlinear parameter curve corresponding to a unit type of the speaker unit to be tested after the finding unit determines a unit type corresponding to the target impedance curve as the unit type of the speaker unit to be tested;
the searching unit is further configured to search the unit model library for a target nonlinear parameter curve corresponding to the unit type of the speaker unit to be tested;
the speaker unit recognition apparatus further includes:
the second judging unit is used for judging whether the test nonlinear parameter curve is matched with the target nonlinear parameter curve;
and the second prompting unit is used for outputting second prompting information indicating that the polarity of the loudspeaker unit to be tested is abnormal when the test nonlinear parameter curve is not matched with the target nonlinear parameter curve.
9. The device for identifying speaker units according to claim 8, wherein if the unit model library stores a correspondence between unit types of speaker units and unit presets, the search unit is further configured to obtain a target preset from the unit model library according to the unit type of the speaker unit to be tested when the test nonlinear parameter curve matches the target nonlinear parameter curve;
the second judging unit is further configured to judge whether the speaker unit to be tested is loaded with a preset;
the speaker unit recognition apparatus further includes:
the processing unit is used for judging whether the current preset of the loudspeaker unit to be tested is matched with the target preset when the preset is loaded on the loudspeaker unit to be tested, and if not, updating the current preset by using the target preset; and loading the target preset as the preset of the loudspeaker unit to be tested when the preset is not loaded on the loudspeaker unit to be tested.
10. The speaker unit identification device according to any one of claims 6 to 9, wherein the obtaining unit is further configured to obtain the environmental parameter before the searching unit searches the target impedance curve matched with the measured impedance curve in the unit model library according to the measured impedance curve; wherein the environmental parameters include at least temperature, humidity, and air pressure; and acquiring a unit model library corresponding to the environment parameters.
11. A speaker unit identifying device, comprising:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the method of any one of claims 1 to 5.
12. A computer-readable storage medium, characterized in that it stores a computer program, wherein the computer program causes a computer to execute the method of any one of claims 1 to 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422860.3A CN111654799A (en) | 2019-12-31 | 2019-12-31 | Loudspeaker unit identification method and device |
| PCT/CN2020/107861 WO2021135234A1 (en) | 2019-12-31 | 2020-08-07 | Speaker unit identification method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911422860.3A CN111654799A (en) | 2019-12-31 | 2019-12-31 | Loudspeaker unit identification method and device |
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| CN111654799A true CN111654799A (en) | 2020-09-11 |
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| CN201911422860.3A Pending CN111654799A (en) | 2019-12-31 | 2019-12-31 | Loudspeaker unit identification method and device |
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| WO (1) | WO2021135234A1 (en) |
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| WO2021135234A1 (en) | 2021-07-08 |
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