CN114205726B - Method and device for testing finished earphone and earphone manufacturing system - Google Patents
Method and device for testing finished earphone and earphone manufacturing system Download PDFInfo
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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
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/105—Manufacture of mono- or stereophonic headphone components
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Abstract
The invention provides a method and a device for testing finished earphones and an earphone manufacturing system, wherein the method comprises the following steps: the testing device obtains sampling data of the sensor in a testing period of each operation event, and enables the value of the second filtering parameter to be the current value of the first filtering parameter; for each operation event, the testing device carries out second filtering processing on the sampling data of the sensor in the testing period of the operation event according to the value of the second filtering parameter, and judges whether a filtering result meeting the set triggering condition of the operation event exists in the obtained filtering result; the testing device enables the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter; the testing device judges whether the preset alternative filtering values of the plurality of groups of alternative filtering values are not adopted by the second filtering parameters or not. The invention can reduce the number of the earphones which need to be returned to factories for disassembling and processing in the earphone production process, and improve the yield of earphone products.
Description
Technical Field
The invention relates to the technical field of earphone testing, in particular to a method and a device for testing finished earphones and an earphone manufacturing system.
Background
The bluetooth headset is bluetooth audio equipment with multiple sensors (such as a sensor realizing touch sensing, a sensor realizing in-ear detection and the like), in the production process of the bluetooth headset, part of the sensors in the bluetooth headset are easily influenced by assembly process and shell material difference, and can possibly cause the change of hardware parameters of some finished products after the shell is assembled, so that the problem that the precision or sensitivity does not meet the actual use requirement is solved, such as a touch sensing key realized based on a capacitive sensor, the influence of parameters such as the wiring length, the thickness of a covering layer and the dielectric constant is easy, or the influence of internal sampling precision deviation is likely to influence the sensitivity of touch response, and the problem that the touch sensing key of some finished products is easy to produce false triggering or triggering no response is solved, so that the working state of the sensors after the shell is required to be focused during the finished product test of the bluetooth headset, and the problematic finished products are screened, so that the consistency and the reliability of the products are ensured.
In the existing finished product testing mode of the Bluetooth headset, only fixed testing parameters are adopted to test the Bluetooth headset, and the finished product of the Bluetooth headset is directly output to be qualified or unqualified according to the testing result, so that a large number of bad prototypes are caused to be processed in a factory.
Disclosure of Invention
Based on the above-mentioned current situation, the main purpose of the present invention is to provide a method and a device for testing finished headphones, and a headphone manufacturing system, which can reduce the number of headphones that need to be disassembled for processing in the process of producing headphones, and improve the yield of headphone products.
In order to achieve the above object, the present invention provides a method for testing a finished earphone, where the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process on sampling data of the sensor according to a value of a first filtering parameter, and for each of several operation events, determine that the operation event occurs when a filtering result obtained by the first filtering process is detected to meet a set trigger condition of the operation event, the method includes:
step 100: the testing device obtains the sampling data of the sensor in the testing period of each operation event, and makes the value of the second filtering parameter be the current value of the first filtering parameter, and then step 200 is executed;
step 200: for each operation event, the testing device performs a second filtering process on the sampling data of the sensor in the testing period of the operation event according to the value of the second filtering parameter, and judges whether a filtering result meeting the set triggering condition of the operation event exists in the obtained filtering results, if yes, step 300 is executed, otherwise step 400 is executed;
Step 300: the testing device enables the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
step 400: and the testing device judges whether the preset alternative filtering numerical values of the plurality of groups of alternative filtering numerical values which are not adopted by the second filtering parameter exist, if so, the value of the second filtering parameter is updated to one group of the alternative filtering numerical values which are not adopted, and then step 200 is executed.
Further, in step 400, if the result of the determination is no, the testing device outputs a test result of failed finished earphone.
Further, in the step 400, if the result of the determination is no, step 500 is executed;
step 500: the test device selects a group of filtering values from the current value of the first filtering parameter and the plurality of groups of alternative filtering values, and for each operation event, judges whether a filtering result meeting the alternative triggering condition of the operation event exists in the filtering result obtained by the second filtering process when the value of the second filtering parameter is the selected filtering value, if so, the step 600 is executed, otherwise, the step 700 is executed;
Step 600: the testing device enables the value of the first filtering parameter in the finished earphone to be the selected filtering numerical value, and modifies the set triggering condition of the operation event in the finished earphone according to the alternative triggering condition of the operation event;
step 700: and the testing device outputs the unqualified testing result of the finished earphone.
Further, for each operation event, the trigger condition is set to include a difference between the filtering result and the trigger threshold of the operation event in a first interval range, and the alternative trigger condition includes a difference between the filtering result and the trigger threshold of the operation event in a second interval range, and for the same operation event, the second interval range in the alternative trigger condition is different from the first interval range in the set trigger condition.
Further, in step 600, modifying the set trigger condition of the operation event in the finished earphone according to the alternative trigger condition of the operation event includes:
the testing device modifies the trigger threshold of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and sends the modified trigger threshold of the operation event to the finished earphone.
Further, in step 500, the selecting, by the testing device, a set of filter values from the plurality of sets of candidate filter values, including:
step 501: the testing device calculates the total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each group of filtering values in the groups of alternative filtering values respectively;
K＝P(1)+P(2)+…+P(i)+…+P(m)；
wherein m is the number of operation event types in the plurality of operation events, and P (i) is the minimum distance between the filtering result obtained by the ith operation event in the step 200 and the set triggering condition of the ith operation event;
step 502: the testing device selects a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
Further, the step 100 further includes: the testing device establishes wireless connection with the finished earphone to be tested, and sends testing instructions to the finished earphone through the wireless connection for each operation event, so that the finished earphone sends sampling data of the sensor in a testing period of the operation event to the testing device.
Further, the step 100 further includes: and the testing device executes user reminding operation to remind the user to perform testing operation corresponding to the operation event on the finished earphone in the testing period of the operation event.
Further, the step 300 includes: and if the current value of the first filtering parameter in the finished earphone is different from the current value of the second filtering parameter, the testing device sends the current value of the second filtering parameter to the finished earphone.
Further, the operation event includes a key press event and a key release event.
Further, the operation event includes an earphone in-ear event and an earphone out-ear event.
In order to achieve the above object, the present invention further provides a device for testing a finished earphone, wherein the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process on sampling data of the sensor according to a value of a first filtering parameter, and for each of several operation events, determine that the operation event occurs when a filtering result obtained by the first filtering process is detected to satisfy a set trigger condition of the operation event, the device includes:
The acquisition module is used for acquiring sampling data of the sensor in the test period of each operation event and enabling the value of the second filtering parameter to be the current value of the first filtering parameter;
the first processing module is used for carrying out second filtering processing on the sampling data of the sensor in the test period of the operation event according to the value of the second filtering parameter for each operation event, judging whether the obtained filtering result meets the set triggering condition of the operation event or not, and if the judging result of each operation event is yes, enabling the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
and the second processing module is used for judging whether the preset alternative filtering values of the plurality of groups of alternative filtering values exist or not, and if the judgment result is yes, updating the values of the second filtering parameters into one group of the alternative filtering values which are not adopted.
Further, the second processing module is further configured to output a test result of failed finished headphones if it is determined that no candidate filtering value that is not adopted by the second filtering parameter exists in the preset sets of candidate filtering values.
Further, the testing device also comprises a third processing module;
the third processing module is configured to select a set of filtering values from a current value of the first filtering parameter and the plurality of sets of candidate filtering values if the second processing module determines that the preset plurality of sets of candidate filtering values do not exist, and for each operation event, determine whether a filtering result satisfying a candidate triggering condition of the operation event exists in a filtering result obtained by the second filtering process when the value of the second filtering parameter is the selected filtering value, and if the determination result of each operation event is yes, make the value of the first filtering parameter in the finished earphone be the selected filtering value, and modify a set triggering condition of the operation event in the finished earphone according to the candidate triggering condition of the operation event, otherwise, output a test result that the finished earphone is unqualified.
Further, for each operation event, the trigger condition is set to include a difference between the filtering result and the trigger threshold of the operation event in a first interval range, and the alternative trigger condition includes a difference between the filtering result and the trigger threshold of the operation event in a second interval range, and for the same operation event, the second interval range in the alternative trigger condition is different from the first interval range in the set trigger condition.
Further, the third processing module includes:
and the modification unit is used for modifying the trigger threshold value of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and transmitting the modified trigger threshold value of the operation event to the finished earphone.
Further, the third processing module includes:
a calculating unit, configured to calculate a total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each of the plurality of sets of candidate filtering values, respectively;
K＝P(1)+P(2)+…+P(i)+…+P(m)；
wherein m is the number of operation event types in the operation events, and P (i) is the minimum distance between the filtering result obtained by the ith operation event and the set triggering condition of the ith operation event;
and the selection unit is used for selecting a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
Further, the obtaining module is further configured to establish a wireless connection with a finished earphone to be tested, and send a test instruction to the finished earphone through the wireless connection for each operation event, so that the finished earphone sends the sampling data of the sensor to the testing device in a test period of the operation event.
Further, the obtaining module is further configured to perform a user reminding operation to remind a user to perform a test operation corresponding to the operation event on the finished earphone in a test period of the operation event.
Further, the first processing module includes: and the calibration unit is used for sending the current value of the second filter parameter to the finished earphone if the current value of the first filter parameter in the finished earphone is different from the current value of the second filter parameter.
Further, the operation event includes a key press event and a key release event.
Further, the operation event includes an earphone in-ear event and an earphone out-ear event.
In order to achieve the above object, the technical scheme of the present invention further provides a testing device for a finished earphone, the device includes at least one processor and a memory coupled to the at least one processor, wherein the at least one processor is configured to execute instructions in the memory to implement the testing method described above.
In order to achieve the above purpose, the technical scheme of the invention also provides a headset manufacturing system, which comprises the testing device.
According to the testing method of the finished earphone, provided by the invention, the testing device judges whether the current finished earphone meets the qualification requirement or not by acquiring the sampling data of the sensor of the finished earphone in the testing period of each operation event and simulating the processing of the sampling data by the finished earphone, when judging that the qualification requirement is not met, the testing device judges whether the finished earphone meets the qualification requirement or not through a mode of filtering parameter calibration by a plurality of groups of alternative filtering numerical values, if so, the finished earphone is subjected to corresponding filtering parameter calibration to meet the qualification requirement, so that the unqualified quantity of the finished earphone can be effectively reduced, the quantity of earphones needing to be disassembled for processing in a factory is reduced, and the earphone product yield is improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of a method for testing a finished earphone according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for testing finished headphones according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a testing device for a finished earphone according to an embodiment of the present invention.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the present invention, and in order to avoid obscuring the present invention, well-known methods, procedures, flows, and components are not presented in detail.
Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that step numbers (letter or number numbers) are used in the present invention to refer to certain specific method steps for convenience and brevity only, and are not intended to limit the order of the method steps by letter or number in any way. It will be apparent to those skilled in the art that the sequence of the steps of the relevant method should be determined by the technique itself and should not be unduly limited by the presence of step numbers.
Referring to fig. 1, fig. 1 is a flowchart of a method for testing a finished earphone according to an embodiment of the present invention, where the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process (to implement the purpose of signal denoising) on sampling data of the sensor according to a value of a first filtering parameter, and determine, for each of several operation events, that the filtering result obtained by the first filtering process meets a set trigger condition when it is detected that the filtering result meets the set trigger condition, where the sampling data of the sensor is data obtained by sampling a state of the sensor, for example, the sensor may be a capacitive sensor, and the sampling data may be a charge-discharge period of the sensor, and the several operation events may be one operation event or multiple operation events, and the method for testing the finished earphone includes:
Step 100: the testing device (testing machine) obtains the sampling data of the sensor in the testing period of each operation event, and makes the value of the second filtering parameter be the current value of the first filtering parameter, and then executes step 200;
namely, for each operation event, a test period is set, and corresponding test operation is carried out on the finished earphone to be tested in the test period, for example, the function realized by the sensor is a key function, then the plurality of operation events can comprise a key pressing event and a key releasing event, wherein in the test method, the test operation of pressing the key on the finished earphone can be carried out in the test period of the key pressing event, and the test operation of releasing the key on the finished earphone can be carried out in the test period of the key releasing event;
step 200: for each operation event, the testing device performs a second filtering process on the sampling data of the sensor in the testing period of the operation event according to the current value of the second filtering parameter, and judges whether a filtering result meeting the set triggering condition of the operation event exists in the obtained filtering results, if yes, step 300 is executed, otherwise step 400 is executed;
In the step 200, for each operation event, the testing device performs filtering processing on the sampling data of the sensor in each operation event by using the same filtering algorithm as that of the finished earphone, and determines whether the obtained filtering result meets the set triggering condition of the operation event, so as to determine whether the currently adopted filtering parameter (the current value of the second filtering parameter) meets the detection of the finished earphone on the operation event, if the current value of the second filtering parameter meets the detection of all operation events of a plurality of operation events, step 300 is executed, otherwise step 400 is executed;
step 300: the testing device enables the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
after obtaining the value of the second filtering parameter capable of meeting the detection of each operation event, if the current value of the first filtering parameter in the finished earphone is the same as the current value of the second filtering parameter (i.e. the second filtering parameter is not updated and is still the current value of the first filtering parameter in the finished earphone), the testing device determines that the finished earphone is a qualified earphone, and can directly output the testing result of the finished earphone as being qualified without calibrating the finished earphone;
If the current value of the first filtering parameter in the finished earphone is different from the current value of the second filtering parameter (i.e. the second filtering parameter is updated in step 400 and is different from the current value of the first filtering parameter), the testing device determines that the finished earphone is a qualified earphone after the calibration parameter, and sends the current value of the second filtering parameter to the finished earphone, i.e. the testing device determines that the finished wireless earphone can meet the qualification requirement through the calibration of the filtering parameter, specifically, the testing device can send a corresponding configuration modification instruction to the finished earphone to update the value of the first filtering parameter to the current value of the second filtering parameter;
step 400: the testing device judges whether the preset alternative filtering values of the second filtering parameters are not adopted or not, if yes, the value of the second filtering parameters is updated to one group of the unused alternative filtering values, then step 200 is executed, and if not, step 410 is executed;
the plurality of sets of filtering values are different sets of filtering values, in particular different sets of filtering empirical values, which can be preset in a testing device, and when different filtering values are adopted under the condition that the processed sampling data are the same, the obtained filtering results are different;
Step 410: and the testing device outputs the unqualified testing result of the finished earphone.
According to the testing method for the finished earphone, provided by the embodiment of the invention, the testing device judges whether the current finished earphone meets the qualification requirement or not by acquiring the sampling data of the sensor of the finished earphone in the testing period of each operation event and simulating the processing of the sampling data by the finished earphone, when judging that the qualification requirement is not met, the testing device judges whether the finished earphone meets the qualification requirement or not in a mode of filtering parameter calibration through a plurality of groups of alternative filtering numerical values, if so, the finished earphone is subjected to corresponding filtering parameter calibration to enable the finished earphone to meet the qualification requirement, so that the unqualified quantity of the finished earphone can be effectively reduced, the quantity of earphones needing to be disassembled for processing in a factory is reduced, and the yield of earphone products is improved.
Referring to fig. 2, fig. 2 is a flowchart of another method for testing a finished earphone according to an embodiment of the present invention, where the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process (to implement the purpose of signal denoising) on sampling data of the sensor according to a value of a first filtering parameter, and determine, for each of several operation events, that the filtering result obtained by the first filtering process meets a set trigger condition when it is detected that the filtering result meets the set trigger condition, where the sampling data of the sensor is data obtained by sampling a state of the sensor, for example, the sensor may be a capacitive sensor, and the sampling data may be a charge-discharge period of the sensor, and the several operation events may be one operation event or multiple operation events, and the method for testing the finished earphone includes:
Step 100: the testing device obtains the sampling data of the sensor in the testing period of each operation event, and makes the value of the second filtering parameter be the current value of the first filtering parameter, and then step 200 is executed;
namely, for each operation event, a test period is set, and corresponding test operation is carried out on the finished earphone to be tested in the test period, for example, the function realized by the sensor is a key function, then the plurality of operation events can comprise a key pressing event and a key releasing event, wherein in the test method, the test operation of pressing the key on the finished earphone can be carried out in the test period of the key pressing event, and the test operation of releasing the key on the finished earphone can be carried out in the test period of the key releasing event;
step 200: for each operation event, the testing device performs a second filtering process on the sampling data of the sensor in the testing period of the operation event according to the current value of the second filtering parameter, and judges whether a filtering result meeting the set triggering condition of the operation event exists in the obtained filtering results, if yes, step 300 is executed, otherwise step 400 is executed;
In the step 200, for each operation event, the testing device performs filtering processing on the sampling data of the sensor in each operation event by using the same filtering algorithm as that of the finished earphone, and determines whether the obtained filtering result meets the set triggering condition of the operation event, so as to determine whether the currently adopted filtering parameter (the current value of the second filtering parameter) meets the detection of the finished earphone on the operation event, if the current value of the second filtering parameter meets the detection of all operation events of a plurality of operation events, step 300 is executed, otherwise step 400 is executed;
step 300: the testing device enables the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
after obtaining the value of the second filtering parameter capable of meeting the detection of each operation event, if the current value of the first filtering parameter in the finished earphone is the same as the current value of the second filtering parameter (i.e. the second filtering parameter is not updated and is still the current value of the first filtering parameter in the finished earphone), the testing device determines that the finished earphone is a qualified earphone, and can directly output the testing result of the finished earphone as being qualified without calibrating the finished earphone;
If the current value of the first filtering parameter in the finished earphone is different from the current value of the second filtering parameter (i.e. the second filtering parameter is updated in step 400 and is different from the current value of the first filtering parameter), the testing device determines that the finished earphone is a qualified earphone after the calibration parameter, and sends the current value of the second filtering parameter to the finished earphone, i.e. the testing device determines that the finished wireless earphone can meet the qualification requirement through the calibration of the filtering parameter, specifically, the testing device can send a corresponding configuration modification instruction to the finished earphone to update the value of the first filtering parameter to the current value of the second filtering parameter;
step 400: the testing device judges whether the preset alternative filtering values of the second filtering parameters are not adopted or not, if yes, the value of the second filtering parameters is updated to one group of the unused alternative filtering values, then step 200 is executed, and if not, step 500 is executed;
the plurality of sets of filtering values are different sets of filtering values, in particular different sets of filtering empirical values, which can be preset in a testing device, and when different filtering values are adopted under the condition that the processed sampling data are the same, the obtained filtering results are different;
Step 500: the test device selects a group of filtering values from the current value of the first filtering parameter and the plurality of groups of alternative filtering values, and for each operation event, judges whether a filtering result meeting the alternative triggering condition of the operation event exists in the filtering result obtained by the second filtering process when the value of the second filtering parameter is the selected filtering value, if yes, the finished earphone is determined to be qualified after the calibration parameter, and executes step 600, otherwise, executes step 700;
it can be understood that for the same operation event, the alternative triggering conditions are relaxed than the set triggering conditions in the finished earphone, the specific degree of the relaxation can be set according to specific requirements, and the test device can judge whether the finished earphone can be a qualified finished earphone by changing the triggering conditions through setting the alternative triggering conditions;
step 600: the testing device enables the value of the first filtering parameter in the finished earphone to be the selected filtering numerical value, and modifies the set triggering condition of the operation event in the finished earphone according to the alternative triggering condition of the operation event;
For example, in this step 600, for each of the operational events, the set trigger condition for that operational event in the finished earphone may be modified according to its alternative trigger condition;
or, for each operation event, if a filtering result meeting the set triggering condition of the operation event exists in the filtering result obtained by the second filtering process, the set triggering condition of the operation event does not need to be modified, and if a filtering result meeting the set triggering condition of the operation event does not exist in the filtering result obtained by the second filtering process, but a filtering result meeting the alternative triggering condition of the operation event exists, the set triggering condition of the operation event in the finished earphone is modified according to the alternative triggering condition of the operation event;
for example, in this step, the testing device may send a corresponding configuration modification instruction to the finished earphone, so that the value of the first filtering parameter in the finished earphone is the filtering value selected in step 500, and the setting triggering condition of the operation event in the finished earphone is modified, and after the finished earphone receives the configuration modification instruction, the values of these parameters are written into the nonvolatile memory (Non Volatile Memory) to implement the calibration of the parameters;
Step 700: the testing device outputs the unqualified testing result of the finished earphone, namely, the testing device judges that the finished earphone cannot be calibrated in a parameter adjustment mode, judges that the finished earphone is abnormal in hardware, and needs to perform next production testing analysis, for example, the testing device can output the testing result of the finished earphone in a sound or image display mode.
According to the testing method for the finished earphone provided by the embodiment of the invention, the testing device judges whether the current finished earphone meets the qualification requirement or not by acquiring the sampling data of the sensor of the finished earphone in the testing period of each operation event and simulating the processing of the sampling data by the finished earphone, when judging that the qualification requirement is not met, the testing device judges whether the finished earphone meets the qualification requirement or not through a mode of calibrating the filtering parameters by a plurality of groups of alternative filtering values, if so, the finished earphone is subjected to corresponding filtering parameter calibration to meet the qualification requirement, if not, then judges whether the finished earphone meets the qualification requirement through a mode of calibrating the triggering condition by a preset alternative triggering condition, so that the unqualified quantity of the finished earphone can be greatly reduced, the quantity of earphones which need to be returned to a factory for disassembling is further reduced, and the yield of earphone products is improved.
For example, in an embodiment of the present invention, the finished earphone may be a wireless earphone (such as a bluetooth earphone), the testing device may obtain the sampling data of the sensor of the finished earphone by establishing a wireless connection (such as a bluetooth connection) with the finished earphone, and the testing device may further send a corresponding configuration modification instruction to the finished earphone through the wireless connection, so as to implement calibration of the first filtering parameter and/or the set triggering condition in the finished earphone; for example, the step 100 may further include: the testing device establishes wireless connection with the finished earphone to be tested, and respectively sends testing instructions to the finished earphone through the wireless connection for each operation event, so that the finished earphone sends sampling data of the sensor in a testing period of the operation event to the testing device;
preferably, in an embodiment, the step 100 further includes: the testing device executes a user reminding operation to remind a user to perform a testing operation corresponding to the operation event on the finished earphone in a testing period of the operation event, wherein the user reminding operation can comprise a sound reminding and/or a screen displaying the reminding. For example, the testing device may start testing each operation event according to a user instruction, for example, for a certain operation event, after the testing device receives a test start instruction of the operation event, the testing device sends a corresponding test instruction to the finished earphone (the test instruction may include a test period of the operation event) while the testing device performs a corresponding user reminding operation, after receiving the user reminding operation, a user (such as a tester) may perform a corresponding test operation to the finished earphone within a set test period, the finished earphone enters a test state after receiving the test instruction, collects sampling data of a sensor within the test period under the test state, and sends the collected sampling data to the testing device;
The specific duration of the test period may be set according to requirements, and the time required for the state transition of the sensor (S1 state transition to S2 state) in general needs to be considered during the setting, for example, S1 is a key-down state, and S2 state is a key-release state;
for example, assuming that the duration of the test period is W and the sampling period of the sensor is Z, the test apparatus may obtain n=w/Z sampling values s_val_n (n=1, 2., N) for the test of each operation event, respectively.
The second filtering process in the test device is the same as the first filtering process in the finished earphone, for example, an averaging filtering method, that is, averaging T consecutive sampling values to obtain a filtering result, so that after the filtering process is performed on N sampling values in the test period, approximately N/T filtering results can be obtained, where T is a filtering parameter, and in addition, the first filtering process and the second filtering process may also use a smoothing filtering method;
for example, in one embodiment, in step 600, modifying the set trigger condition of the operation event in the finished earphone according to the alternative trigger condition of the operation event may specifically be: and modifying the set triggering condition of the operation event in the finished earphone into an alternative triggering condition of the operation event.
Wherein, for the same operation event, the alternative trigger condition is looser than the set trigger condition in the finished earphone, for example, in an embodiment, for each operation event, the difference between the filtering result and the trigger threshold of the operation event is in a first interval range, the alternative trigger condition comprises the difference between the filtering result and the trigger threshold of the operation event is in a second interval range, and for the same operation event, the second interval range in the alternative trigger condition is different from the first interval range in the set trigger condition; the second interval range in the alternative trigger condition may be set according to specific situations, for example, for the same operation event, the second interval range in the alternative trigger condition includes and is greater than the first interval range in the set trigger condition, or a partial overlap interval exists between the two; for example, for an operation event, a first interval range in the trigger condition is set to be (50, 100), and then a second interval range in the alternative trigger condition may be (40, 100) or (40, 80).
In step 600, modifying the set trigger condition of the operation event in the finished earphone according to the alternative trigger condition of the operation event includes:
The testing device modifies the trigger threshold of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and sends the modified trigger threshold of the operation event to the finished earphone, namely, the finished earphone can reach the qualified requirement on the detection of the operation event by modifying the trigger threshold in the set trigger condition, wherein the modification quantity of the trigger threshold can be obtained by the difference of the corresponding boundary values between the first interval range and the second interval range.
In addition, the second interval range may be divided into a plurality of segment intervals, the segment interval where the difference between the filtering result with the minimum distance setting trigger condition and the trigger threshold value is located is determined, and then the modification amount of the trigger threshold value, that is, the modification amount of the trigger threshold value, is determined according to the segment interval, and the modification amount may be positively correlated with the distance between the filtering result with the minimum distance setting trigger condition and the set trigger condition;
preferably, in an embodiment, in order to further improve the qualification rate of the earphone, in step 500, the testing device selecting a set of filter values from the current values of the first filter parameter and the sets of candidate filter values includes:
Step 501: the testing device calculates the total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each group of filtering values in the groups of alternative filtering values respectively;
K＝P(1)+P(2)+…+P(i)+…+P(m)；
wherein m is the number of operation event types in the plurality of operation events, P (i) is the minimum distance between the filtering result obtained by the ith operation event in the step 200 and the set triggering condition of the ith operation event, that is, the distance between each filtering result obtained by the ith operation event in the step 200 and the set triggering condition of the ith operation event is calculated, and P (i) is the minimum value thereof;
the distance represents the approach degree of the filtering result and the set trigger condition, and the smaller the distance is, the closer the distance is, which can be quantified in different manners, for example, the difference between the filtering result and the trigger threshold TH of the ith operation event is in the first interval range, and the following manner is used for quantifying the distance between the filtering result and the set trigger condition: if the difference between the filtering result and the TH is in the first interval range, the distance between the filtering result and the set triggering condition is 0, and if the difference between the filtering result and the TH is not in the first interval range, the distance is the minimum value distance from the difference to the first interval range;
Step 502: the testing device selects a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
For example, in one embodiment, the sensor of the finished earphone may be a capacitive sensor for implementing a key function, and the processing module performs a first filtering process on the sampled data of the sensor by using an averaging filtering method, so as to implement detection of a key press event and a key release event, where, the set trigger condition of the key press event is that the difference between the filtering result and the trigger threshold TH1 is within the interval range (A1, + -infinity), for example, A1 is 50, and the set trigger condition of the key release event is that the difference between the filtering result and the trigger threshold TH2 is within the interval range (- + -infinity, B1), for example, B1 is-100;
in the test device, the test device processes the sampled data sent by the finished earphone by adopting the same average filtering method, wherein the alternative triggering condition of the key pressing event is that the difference between the filtering result and the triggering threshold TH1 is located in the interval range (A2, + -infinity), wherein A2 is smaller than A1, for example, A2 is 40, the alternative triggering condition of the key releasing event is that the difference between the filtering result and the triggering threshold TH2 is located in the interval range (- ≡B 2), wherein B2 is larger than B1, for example, B2 can be-80, the test of the key function of the finished earphone can be realized by the test method, and the parameters of the key pressing event are calibrated, so that the product yield is improved.
For example, in another embodiment, the sensor of the finished earphone is used for realizing the in-ear detection function, the processing module can realize the detection of the in-ear event and the out-ear event of the earphone, and by the testing method, the testing of the in-ear detection function of the finished earphone can be realized, and the parameters of the in-ear detection function of the finished earphone are calibrated, so that the product yield is improved.
According to the testing method provided by the embodiment of the invention, the testing device acquires the sampling data of the finished earphone and simulates the detection of the finished earphone on the operation event, and the finished earphone is divided into three types according to the range of the testing result: qualified, can calibrate after the parameter qualification, hardware is unusual (unqualified, need tear open the machine to handle), and to qualified finished product earphone after the parameter calibration, solve the assembly or the bad that the hardware error brought through the mode of calibration triggering threshold value or filtering parameter, make the earphone reach qualified standard, can improve the qualification rate of earphone test to a certain extent, reduce the earphone and report the resource consumption that damages the machine, improve the product yield.
Referring to fig. 3, fig. 3 is a schematic diagram of a testing apparatus for a finished earphone according to an embodiment of the present invention, where the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process on sampling data of the sensor according to a value of a first filtering parameter, and for each of several operation events, determine that the operation event occurs when a filtering result obtained by the first filtering process is detected to meet a set triggering condition of the operation event, where the testing apparatus includes:
An obtaining module 10, configured to obtain sampling data of the sensor during a test period of each operation event, and make a value of a second filtering parameter be a current value of the first filtering parameter;
the first processing module 20 is configured to perform a second filtering process on the sampling data of the sensor in the test period of the operation event according to the current value of the second filtering parameter for each operation event, and determine whether a filtering result satisfying the set triggering condition of the operation event exists in the obtained filtering result, if the determining result of each operation event is yes, make the value of the first filtering parameter in the finished earphone be the current value of the second filtering parameter;
and the second processing module 30 is configured to determine whether there are any candidate filter values that are not used by the second filter parameter in the preset sets of candidate filter values, and if the determination result is yes, update the value of the second filter parameter to one of the sets of candidate filter values that are not used.
For example, in an embodiment, the second processing module 30 is further configured to output a test result of disqualification of the finished earphone if it is determined that there is no candidate filtering value that is not adopted by the second filtering parameter in the preset sets of candidate filtering values.
For example, in one embodiment, the test apparatus further comprises a third processing module;
the third processing module is configured to, if the second processing module 30 determines that there are no candidate filter values that are not adopted by the second filter parameter in the preset plurality of candidate filter values, select a set of filter values from the current value of the first filter parameter and the plurality of candidate filter values, and for each operation event, determine whether there is a filter result satisfying a candidate trigger condition of the operation event in a filter result obtained by the second filtering process when the value of the second filter parameter is the selected filter value, if the determination result of each operation event is yes, make the value of the first filter parameter in the finished earphone be the selected filter value, and modify the set trigger condition of the operation event in the finished earphone according to the candidate trigger condition of the operation event, otherwise, output a test result that the finished earphone is unqualified.
For example, in one embodiment, for each operation event, the trigger condition is set to include a difference between the filtering result and the trigger threshold of the operation event in a first interval range, and for the same operation event, the alternative trigger condition includes a difference between the filtering result and the trigger threshold of the operation event in a second interval range, and the second interval range in the alternative trigger condition is different from the first interval range in the set trigger condition; the second interval range in the alternative trigger condition may be set according to specific situations, for example, for the same operation event, the second interval range in the alternative trigger condition includes and is greater than the first interval range in the set trigger condition, or a partial overlap interval exists between the two; for example, for an operation event, a first interval range in the trigger condition is set to be (50, 100), and then a second interval range in the alternative trigger condition may be (40, 100) or (40, 80).
For example, in one embodiment, the third processing module includes:
and the modification unit is used for modifying the trigger threshold value of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and transmitting the modified trigger threshold value of the operation event to the finished earphone.
For example, in one embodiment, the third processing module includes:
a calculating unit, configured to calculate a total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each of the plurality of sets of candidate filtering values, respectively;
K＝P(1)+P(2)+…+P(i)+…+P(m)；
wherein m is the number of operation event types in the operation events, and P (i) is the minimum distance between the filtering result obtained by the ith operation event and the set triggering condition of the ith operation event;
and the selection unit is used for selecting a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
For example, in an embodiment, the obtaining module 10 is further configured to establish a wireless connection with a finished earphone to be tested, and send a test instruction to the finished earphone through the wireless connection for each operation event, so that the finished earphone sends the sampling data of the sensor in the test period of the operation event to the testing device.
For example, in an embodiment, the obtaining module 10 is further configured to perform a user reminding operation to remind a user to perform a test operation corresponding to an operation event on the finished earphone in a test period of the operation event.
For example, in one embodiment, the first processing module 20 includes: and the calibration unit is used for sending the current value of the second filter parameter to the finished earphone if the current value of the first filter parameter in the finished earphone is different from the current value of the second filter parameter.
For example, in one embodiment, the operational events include a key press event and a key release event.
For example, in one embodiment, the operational events include a headphone in-ear event and a headphone out-ear event.
The embodiment of the invention also provides a testing device of the finished earphone, which comprises at least one processor and a memory coupled with the at least one processor, wherein the at least one processor is used for executing instructions in the memory to realize the testing method.
For example, the finished earphone of the invention can be TWS earphone, besides the sensor and the processing module, the communication module (such as Bluetooth module) is also included, the communication module can be in wireless communication with the testing device, the testing device can test and calibrate the finished earphone, the processing module can realize in-ear detection and/or touch detection functions, and can also realize functions of voice awakening, power management and the like, and the processing module can contain devices such as a CPU and the like.
The embodiment of the invention also provides a headset manufacturing system, which comprises the testing device.
Those skilled in the art will appreciate that the above-described preferred embodiments can be freely combined and stacked without conflict.
It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.
Claims (24)
1. A method of testing a finished earphone, the finished earphone comprising a sensor and a processing module configured to perform a first filtering process on sampling data of the sensor according to a value of a first filtering parameter, and for each of several operation events, determining that the operation event occurs when a filtering result obtained by the first filtering process is detected to satisfy a set trigger condition of the operation event, the method comprising:
step 100: the testing device obtains the sampling data of the sensor in the testing period of each operation event, and makes the value of the second filtering parameter be the current value of the first filtering parameter, and then step 200 is executed;
Step 200: for each operation event, the testing device performs a second filtering process on the sampling data of the sensor in the testing period of the operation event according to the value of the second filtering parameter, and judges whether a filtering result meeting the set triggering condition of the operation event exists in the obtained filtering results, if yes, step 300 is executed, otherwise step 400 is executed;
step 300: the testing device enables the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
step 400: the testing device judges whether the preset alternative filtering numerical values of the plurality of groups of alternative filtering numerical values exist or not, if yes, the value of the second filtering parameter is updated to one group of the alternative filtering numerical values which are not adopted, and then step 200 is executed;
wherein the second filtering process performed in the testing device is the same as the filtering algorithm used by the first filtering process performed in the finished earphone.
2. The method according to claim 1, wherein in the step 400, if the result of the determination is negative, the testing device outputs a test result that the finished earphone is failed.
3. The method according to claim 1, wherein in the step 400, if the result of the determination is negative, step 500 is performed;
step 500: the test device selects a group of filtering values from the current value of the first filtering parameter and the plurality of groups of alternative filtering values, and for each operation event, judges whether a filtering result meeting the alternative triggering condition of the operation event exists in the filtering result obtained by the second filtering process when the value of the second filtering parameter is the selected filtering value, if so, the step 600 is executed, otherwise, the step 700 is executed;
step 600: the testing device enables the value of the first filtering parameter in the finished earphone to be the selected filtering numerical value, and modifies the set triggering condition of the operation event in the finished earphone according to the alternative triggering condition of the operation event;
step 700: and the testing device outputs the unqualified testing result of the finished earphone.
4. A method according to claim 3, wherein for each operation event the setting of the trigger condition comprises the difference between the filtering result and the trigger threshold of the operation event being in a first interval range, wherein the alternative trigger condition comprises the difference between the filtering result and the trigger threshold of the operation event being in a second interval range, and wherein for the same operation event the second interval range of the alternative trigger conditions is different from the first interval range of the setting of the trigger condition.
5. The method of claim 4, wherein in step 600, modifying the set trigger condition for the operational event in the finished earphone based on the alternate trigger condition for the operational event comprises:
the testing device modifies the trigger threshold of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and sends the modified trigger threshold of the operation event to the finished earphone.
6. The method according to any one of claims 3-5, wherein in step 500, the testing means selecting a set of filter values from the plurality of sets of alternative filter values from the current value of the first filter parameter comprises:
step 501: the testing device calculates the total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each group of filtering values in the groups of alternative filtering values respectively;
K=P(1)+P(2)+…+P(i)+ …+P(m)；
wherein m is the number of operation event types in the plurality of operation events, and P (i) is the minimum distance between the filtering result obtained by the ith operation event in the step 200 and the set triggering condition of the ith operation event;
Step 502: the testing device selects a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
7. The method according to any one of claims 1-5, wherein step 100 further comprises: the testing device establishes wireless connection with the finished earphone to be tested, and sends testing instructions to the finished earphone through the wireless connection for each operation event, so that the finished earphone sends sampling data of the sensor in a testing period of the operation event to the testing device.
8. The method according to any one of claims 1-5, wherein step 100 further comprises: and the testing device executes user reminding operation to remind the user to perform testing operation corresponding to the operation event on the finished earphone in the testing period of the operation event.
9. The method according to any one of claims 1-5, wherein said step 300 comprises: and if the current value of the first filtering parameter in the finished earphone is different from the current value of the second filtering parameter, the testing device sends the current value of the second filtering parameter to the finished earphone.
10. The method of any of claims 1-5, wherein the operational events comprise a key press event and a key release event.
11. The method of any of claims 1-5, wherein the operational event comprises a headphone in-ear event and a headphone out-ear event.
12. A test device for a finished earphone, wherein the finished earphone includes a sensor and a processing module, the processing module is configured to perform a first filtering process on sampling data of the sensor according to a value of a first filtering parameter, and for each of several operation events, determine that the operation event occurs when a filtering result obtained by the first filtering process is detected to meet a set trigger condition of the operation event, the test device includes:
the acquisition module is used for acquiring sampling data of the sensor in the test period of each operation event and enabling the value of the second filtering parameter to be the current value of the first filtering parameter;
the first processing module is used for carrying out second filtering processing on the sampling data of the sensor in the test period of the operation event according to the value of the second filtering parameter for each operation event, judging whether the obtained filtering result meets the set triggering condition of the operation event or not, and if the judging result of each operation event is yes, enabling the value of the first filtering parameter in the finished earphone to be the current value of the second filtering parameter;
The second processing module is used for judging whether the preset alternative filtering values of the plurality of groups of alternative filtering values exist or not, if so, updating the values of the second filtering parameters into one group of the alternative filtering values which are not adopted;
wherein the second filtering process performed in the testing device is the same as the filtering algorithm used by the first filtering process performed in the finished earphone.
13. The test device of claim 12, wherein the second processing module is further configured to output a test result that the finished earphone is failed if it is determined that there is no candidate filter value that is not adopted by the second filter parameter in the preset plurality of sets of candidate filter values.
14. The test device of claim 12, further comprising a third processing module;
the third processing module is configured to select a set of filtering values from a current value of the first filtering parameter and the plurality of sets of candidate filtering values if the second processing module determines that the preset plurality of sets of candidate filtering values do not exist, and for each operation event, determine whether a filtering result satisfying a candidate triggering condition of the operation event exists in a filtering result obtained by the second filtering process when the value of the second filtering parameter is the selected filtering value, and if the determination result of each operation event is yes, make the value of the first filtering parameter in the finished earphone be the selected filtering value, and modify a set triggering condition of the operation event in the finished earphone according to the candidate triggering condition of the operation event, otherwise, output a test result that the finished earphone is unqualified.
15. The test device of claim 14, wherein for each operational event, the setting of the trigger condition includes a difference between the filtered result and the trigger threshold for the operational event being within a first interval range, wherein the alternative trigger condition includes a difference between the filtered result and the trigger threshold for the operational event being within a second interval range, and wherein for the same operational event, the second interval range in the alternative trigger condition is different from the first interval range in the setting of the trigger condition.
16. The test apparatus of claim 15, wherein the third processing module comprises:
and the modification unit is used for modifying the trigger threshold value of the operation event according to the difference of the corresponding boundary values between the first interval range in the set trigger condition and the second interval range in the alternative trigger condition, and transmitting the modified trigger threshold value of the operation event to the finished earphone.
17. The test device of any one of claims 14-16, wherein the third processing module comprises:
a calculating unit, configured to calculate a total detection deviation K generated when the value of the second filtering parameter is the current value of the first filtering parameter and each of the plurality of sets of candidate filtering values, respectively;
K=P(1)+P(2)+…+P(i)+ …+P(m)；
Wherein m is the number of operation event types in the operation events, and P (i) is the minimum distance between the filtering result obtained by the ith operation event and the set triggering condition of the ith operation event;
and the selection unit is used for selecting a group of filter values with the minimum total detection deviation K from the current value of the first filter parameter and the groups of alternative filter values.
18. The device according to any one of claims 12-16, wherein the obtaining module is further configured to establish a wireless connection with a finished earphone to be tested, and send a test instruction to the finished earphone through the wireless connection for each operation event, respectively, so that the finished earphone sends the sample data of the sensor in a test period of the operation event to the testing device.
19. The test device of any one of claims 12-16, wherein the acquisition module is further configured to perform a user alert operation to alert a user to perform a test operation corresponding to an operational event on the finished earphone during a test period of the operational event.
20. The test device of any one of claims 12-16, wherein the first processing module comprises: and the calibration unit is used for sending the current value of the second filter parameter to the finished earphone if the current value of the first filter parameter in the finished earphone is different from the current value of the second filter parameter.
21. The test device of any one of claims 12-16, wherein the operational events include a key press event and a key release event.
22. The test device of any one of claims 12-16, wherein the operational events include a headphone in-ear event and a headphone out-ear event.
23. A device for testing a finished earphone, the device comprising at least one processor and a memory coupled to the at least one processor, wherein the at least one processor is configured to execute instructions in the memory to implement the method of any of claims 1-11.
24. A headset manufacturing system comprising the testing device of any of claims 12-23.
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