CN107172560A - The method for detecting abnormality and mobile terminal of microphone in a kind of mobile terminal - Google Patents
The method for detecting abnormality and mobile terminal of microphone in a kind of mobile terminal Download PDFInfo
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- CN107172560A CN107172560A CN201710506699.2A CN201710506699A CN107172560A CN 107172560 A CN107172560 A CN 107172560A CN 201710506699 A CN201710506699 A CN 201710506699A CN 107172560 A CN107172560 A CN 107172560A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Acoustics & Sound (AREA)
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Abstract
The application provides the method for detecting abnormality and mobile terminal of microphone in a kind of mobile terminal.The method for detecting abnormality of microphone in the mobile terminal that the application is provided, including：Default source of sound is played under current volume level；The default source of sound is gathered using microphone, and is converted to voltage signal；If the average amplitude of the voltage signal is less than preset voltage value corresponding with the current volume level, detect that the microphone is abnormal；Wherein, be stored with level of sound volume and the one-to-one relationship of preset voltage value in the mobile terminal.The method for detecting abnormality and mobile terminal of microphone, realize the abnormality detection of microphone, can lift Consumer's Experience in the mobile terminal that the application is provided.
Description
Technical field
It is whole that the application is related to the method for detecting abnormality of microphone and movement in terminal technology, more particularly to a kind of mobile terminal
End.
Background technology
With the fast development and the surge of user's request of mobile terminal manufacturing technology, to realize voice interactive function, move
Microphone is each equipped with dynamic terminal.
Microphone on mobile terminal on mobile terminals, is led to built-in manner configuration by setting microphone to enter sound
Road, and microphone is led with the external world in the mode that microphone enters to open up sound inlet on the corresponding mobile terminal case surface of sound passage
It is logical.But, when microphone is set on mobile terminals by this way, because user's usage scenario is severe, microphone enters
Dust is easily accumulated in sound hole.However, user oneself can not detect to the state of microphone, only when user has found Mike
After-sales service is just will recognize that during the sound very little of elegance collection, to utilize external detection instrument to microphone by personnel after sale
State is detected, and user oneself can not detect to the state of microphone, has a strong impact on Consumer's Experience.
The content of the invention
In view of this, the application provides the method for detecting abnormality and mobile terminal of microphone in a kind of mobile terminal, with reality
The abnormality detection of existing microphone, lifts Consumer's Experience.
The application first aspect provides a kind of method for detecting abnormality of microphone in mobile terminal, including：
Default source of sound is played under current volume level；
The default source of sound is gathered using microphone, and is converted to voltage signal；
If the average amplitude of the voltage signal is less than preset voltage value corresponding with the current volume level, detect
The microphone is abnormal；
Wherein, be stored with level of sound volume and the one-to-one relationship of preset voltage value in the mobile terminal.
Further, methods described also includes：
If the average amplitude of the voltage signal is more than or equal to predeterminated voltage corresponding with the current volume level
Value, then detect that the microphone is normal.
Further, when the default source of sound is unifrequency source of sound, average amplitude is the amplitude of the voltage signal.
Further, when the default source of sound is multi-frequency source of sound, average amplitude is each frequency in the voltage signal
The average value of the amplitude of signal.
Further, methods described also includes：
When starting the mobile terminal first, the default source of sound is played under each level of sound volume respectively；
Gather the default source of sound under each level of sound volume respectively using microphone, and by the average width of the voltage signal of output
Value is used as preset voltage value；
Store each level of sound volume and the one-to-one relationship of preset voltage value.
The application second aspect provides a kind of mobile terminal, including：
Loudspeaker, for playing default source of sound under current volume level；
Microphone, for gathering the default source of sound, and is converted to voltage signal；
Detection module, it is corresponding with the current volume level default for being less than in the average amplitude of the voltage signal
During magnitude of voltage, detect that the microphone is abnormal；
Memory, the one-to-one relationship for storing level of sound volume and preset voltage value.
Further, the detection module be additionally operable to the amplitude of the voltage signal be more than or equal to it is described current
During the corresponding preset voltage value of level of sound volume, detect that the microphone is normal.
Further, when the default source of sound is unifrequency source of sound, average amplitude is the amplitude of the voltage signal.
Further, when the default source of sound is multi-frequency source of sound, average amplitude is each frequency in the voltage signal
The average value of the amplitude of signal.
The method for detecting abnormality and mobile terminal of microphone in the mobile terminal that the application is provided, by current volume etc.
Level is lower to play default source of sound, and gathers above-mentioned default source of sound using microphone, and is converted to voltage signal, and then in voltage signal
Average amplitude when being less than preset voltage value corresponding with above-mentioned current volume level, detection microphone is abnormal.Wherein, electricity is preset
Pressure value characterizes the average amplitude that microphone gathers the voltage signal exported after above-mentioned default source of sound in the state of normal.So,
When microphone gathers above-mentioned default source of sound, and be converted to after voltage signal, by the average amplitude of comparison voltage signal with it is above-mentioned
The corresponding preset voltage value of current volume level, can automatic detection microphone with the presence or absence of abnormal, Consumer's Experience can be lifted.
Brief description of the drawings
Fig. 1 is the flow chart of the method for detecting abnormality embodiment one of microphone in the application mobile terminal；
The structural representation for the mobile terminal that Fig. 2 provides for the exemplary embodiment of the application one；
Fig. 3 is the flow chart of the method for detecting abnormality embodiment two of microphone in the application mobile terminal；
The structural representation for the mobile terminal that Fig. 4 provides for the application another exemplary embodiment.
Description of reference numerals：
1：Microphone；
11：Microphone enters sound passage；
12：The sound inlet of microphone；
2：Loudspeaker；
21：The sound channel of loudspeaker；
22：The sender of loudspeaker.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of the application protection.
When microphone is set on mobile terminals with built-in manner, because user's usage scenario is severe, microphone enters
Dust is easily accumulated in sound hole.For example, when user is operated in the workman in cement plant for one, because there is more dust in cement plant,
So, when user uses mobile terminal in such a case, dust can enter the sound inlet of microphone, and then cause microphone different
Often.But, in the prior art, user oneself can not detect microphone with the presence or absence of exception, and Consumer's Experience is poor.
The application provides the method for detecting abnormality and mobile terminal of microphone in a kind of mobile terminal, to realize microphone
Abnormality detection, lifts Consumer's Experience.
The method for detecting abnormality of microphone, can be applied on mobile terminal in the mobile terminal that the application is provided.For example, can
Applied to mobile phone, tablet personal computer etc..
The technical scheme of the application is described in detail with specific embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Fig. 1 is the flow chart of the method for detecting abnormality embodiment one of microphone in the application mobile terminal.The present embodiment is related to
And be microphone abnormality detection detailed process.The executive agent of the present embodiment is mobile terminal.It refer to Fig. 1, this implementation
The method that example is provided, can include：
S101, the default source of sound of broadcasting under current volume level.
Specifically, refer to Fig. 2 (structural representations for the mobile terminal that Fig. 2 provides for the exemplary embodiment of the application one
Figure), the mobile terminal that Fig. 2 is provided, including microphone 1 and loudspeaker 2, microphone 1 by enter sound passage 11, sound inlet 12 with it is outer
Boundary is turned on, and loudspeaker 2 is turned on by sound channel 21, sender 22 with extraneous.In this step, using loudspeaker 2 in current sound
Measure and default source of sound is played under grade.Specifically, when loudspeaker 2 plays default source of sound, the sound that loudspeaker 2 is sent will be by going out
Sound hole 22 is traveled in external agency.
It should be noted that default source of sound, which can be unifrequency source of sound or frequency values, is in many of a certain scope
Frequency source of sound.For example, it may be frequency values are equal to 1KHz unifrequency source of sound, or frequency values are in many of 1KHz~2KHz
Frequency source of sound, can also be the multi-frequency source of sound synthesized by several unifrequency sources of sound.In the present embodiment, default source of sound is not carried out
Limit.
S102, using microphone above-mentioned default source of sound is gathered, and be converted to voltage signal.
Specifically, when playing default source of sound under current volume level using loudspeaker, while being gathered using microphone
Above-mentioned default source of sound, and be converted to voltage signal.So, when loudspeaker 2 plays default source of sound, the sound that loudspeaker 2 is sent leads to
When crossing sender 22 and traveling in external agency, now, above-mentioned default source of sound is gathered using microphone, so, outside is traveled to
Sound in medium can enter microphone 1 by the sound inlet 12 of microphone 1, so that gathered by microphone 1, further, when
Microphone is gathered after above-mentioned default source of sound, and above-mentioned default source of sound is converted into voltage signal.
If the average amplitude of S103, above-mentioned voltage signal is less than preset voltage value corresponding with above-mentioned current volume level,
Then detect that above-mentioned microphone is abnormal；Wherein, be stored with the one-to-one corresponding of level of sound volume and preset voltage value in above-mentioned mobile terminal
Relation.
Specifically, by step S102, after microphone collection terminates, a voltage signal can be exported.Further, when pre-
If source of sound is unifrequency source of sound, now, the average amplitude of voltage signal is the amplitude of voltage signal.For example, when default source of sound
When being that frequency values are equal to 1KHz unifrequency source of sound, the voltage signal of microphone output is sinusoidal signal, and the sinusoidal signal
Amplitude is m, now, and the average amplitude of voltage signal is equal to m.Further, when default source of sound is multi-frequency source of sound, voltage letter
Number average amplitude be voltage signal in each frequency signal amplitude average value.Specifically, when default source of sound is multi-frequency sound
During source, the average amplitude of voltage signal can be calculated as follows, and this method may comprise steps of：
(1) amplitude of each frequency signal in above-mentioned voltage signal is determined.
Specifically, the time domain data that can export microphone carries out Fourier transformation, frequency domain data (frequency domain data bag is obtained
Containing frequency values and the corresponding amplitude of each frequency values), and frequency domain data reflection is each frequency signal in voltage signal
Amplitude.
(2) according to the amplitude of above-mentioned each frequency signal, the average amplitude of above-mentioned voltage signal is calculated.
Specifically, (default source of sound is by several unifrequency sources of sound when the amplitude of each frequency signal is discrete data
The multi-frequency source of sound of synthesis), the average amplitude of voltage signal can be calculated according to formula (1)：
Wherein：V is the average amplitude of voltage signal；
N is the number for the frequency signal that voltage signal is included；
xnFor the amplitude of n-th of frequency signal.
For example, in one embodiment, the number for the frequency signal that voltage signal is included is 3, these three frequency signals
Frequency values are respectively 1KHz, 3KHz, 5KHz, and the amplitude of these three frequency signals is respectively m1, m2, m3, now, voltage signal
Average amplitude calculated according to equation below：V=(m1+m2+m3)/3.
It should be noted that when the amplitude of each frequency signal is that (it is that frequency values are in certain to preset source of sound to continuous data
The multi-frequency source of sound of one scope) when, can be public according to the integral and calculating similar with formula (1) in a kind of possible implementation
Formula calculates the average amplitude of voltage signal.Further, in alternatively possible implementation, when the width of each frequency signal
When being worth for continuous data, at this time it is also possible to selected from the amplitude of each frequency signal several frequency signals amplitude (for example,
Frequency values are selected to be equal to the amplitude of the frequency signal of designated value), then calculate voltage signal according to the method described in formula (1)
Average amplitude.For example, when each frequency signal amplitude be continuous data, and each frequency signal frequency values from 1KHz to
During 10KHz, at this point it is possible to which selecting frequency value is equal to 1KHz, 5KHz, 9KHz frequency signal from the amplitude of each frequency signal
Amplitude, then calculates the average amplitude of voltage signal using formula (1).
Illustrated below so that default source of sound is unifrequency source of sound as an example.For example, when default source of sound is unifrequency source of sound,
Now, the voltage signal of microphone output is a sinusoidal signal, now, and the average amplitude of voltage signal is the width of voltage signal
Value.For example, the amplitude of the sinusoidal signal is 5v, now, the average amplitude of voltage signal is 5v.
Further, level of sound volume characterizes loudspeaker in different level of sound volume from the one-to-one relationship of preset voltage value
During the above-mentioned default source of sound of lower broadcasting, above-mentioned microphone gathers the voltage signal exported after above-mentioned default source of sound in the state of normal
Average amplitude.In addition, level of sound volume and the one-to-one relationship of preset voltage value can just be deposited when mobile terminal dispatches from the factory
Store up in the terminal.For example, in one embodiment, loudspeaker one have five level of sound volume (grade one, grade two, etc.
Level three, grade four, grade five), now, table 1 be an exemplary embodiment shown in level of sound volume and preset voltage value one by one
Corresponding relation.
The one-to-one relationship of the level of sound volume of table 1 and preset voltage value
| Level of sound volume | Preset voltage value |
| Grade one | A1 |
| Grade two | A2 |
| Grade three | A3 |
| Grade four | A4 |
| Grade five | A5 |
Specifically, in this step, finding current sound from level of sound volume and the one-to-one relationship of preset voltage value first
Measure the corresponding preset voltage value of grade, and then the average amplitude predeterminated voltage corresponding with current volume level of comparison voltage signal
Value, and when the average amplitude of voltage signal is less than preset voltage value corresponding with current volume level, detection microphone is abnormal.
For example, in one embodiment, current volume level is grade three, now, from level of sound volume and preset voltage value
It is A3 (for example, A3 is equal to 6v) that one-to-one relationship, which finds the corresponding preset voltage value of above-mentioned current volume level, with reference to above
Example, the average amplitude of voltage signal is 5v, now, and the average amplitude of voltage signal is less than corresponding with current volume level
Preset voltage value, detection microphone is abnormal.
It should be noted that the method that the present embodiment is provided, can be realized by software, for example, this method can be one
Application program.Now, user is by the application program, can automatic detection microphone with the presence or absence of abnormal, so, user can be lifted
Experience.In addition, for example, virtual key (starting to detect virtual key) is provided with the application program, when user needs to detect wheat
Gram wind with the presence or absence of it is abnormal when, user can press the virtual key, accordingly, after mobile terminal receives order, just control
Loudspeaker and Mike work simultaneously, and then the method provided based on the present embodiment, and automatic detection microphone is with the presence or absence of abnormal.
The abnormal detection method of microphone in the mobile terminal that the present embodiment is provided, by being played under current volume level
Default source of sound, and above-mentioned default source of sound is gathered using microphone, and voltage signal is converted to, and then in the average width of voltage signal
When value is less than preset voltage value corresponding with above-mentioned current volume level, detection microphone is abnormal.So, when in microphone collection
Default source of sound is stated, and is converted to after voltage signal, passes through average amplitude and the above-mentioned current volume level pair of comparison voltage signal
The preset voltage value answered, can automatic detection microphone with the presence or absence of abnormal, Consumer's Experience can be lifted.
Further, in the possible implementation of the application one, if the average amplitude of the voltage signal be more than or
Preset voltage value corresponding equal to the current volume level, then detect that the microphone is normal.
For example, in one embodiment, current volume level is grade four, now, from level of sound volume and preset voltage value
It is A4 (for example, A4 is equal to 3v) that one-to-one relationship, which finds the corresponding preset voltage value of above-mentioned current volume level, with reference to above
Example, the average amplitude of voltage signal is 5v, now, and the average amplitude of voltage signal is more than corresponding with current volume level
Preset voltage value, detection microphone is normal.
It should be noted that level of sound volume and the one-to-one relationship of preset voltage value can be when mobile terminal dispatches from the factory
It is stored in mobile terminal or when mobile terminal starts first, is formed and stored in mobile terminal.Under
Face provides a specific embodiment, if not storing level of sound volume when mobile terminal is dispatching from the factory with presetting for describing in detail
The one-to-one relationship of magnitude of voltage, how when mobile terminal starts first, is formed and stored in mobile terminal.
Fig. 3 is the flow chart of the method for detecting abnormality embodiment two of microphone in the application mobile terminal.The present embodiment is related to
And be the detailed process for how obtaining level of sound volume and the one-to-one relationship of preset voltage value.It refer to Fig. 3, the present embodiment
The method of offer, in addition to：
S201, when starting above-mentioned mobile terminal first, above-mentioned default source of sound is played under each level of sound volume respectively.
It should be noted that when starting mobile terminal first, the microphone of mobile terminal is in normal condition, now, can
Level of sound volume and the one-to-one relationship of preset voltage value are obtained in the method provided by the present embodiment.Specifically, with reference to upper
In the example (i.e. loudspeaker includes five level of sound volume) in face, this step, just play above-mentioned pre- under each level of sound volume respectively
If source of sound, i.e., above-mentioned default source of sound is once played in grade, in two times above-mentioned default sources of sound ... ... of broadcasting of grade, in grade
Five times above-mentioned default sources of sound of broadcasting.
S202, the default source of sound gathered respectively using microphone under each level of sound volume, and by the voltage signal of output
Average amplitude is used as preset voltage value.
Specifically, when loudspeaker plays default source of sound, microphone gathers default source of sound, and the voltage of output is believed simultaneously
Number average amplitude be used as preset voltage value.For example, loudspeaker is when grade once plays default source of sound, microphone collection is default
The average amplitude of the voltage signal exported after source of sound is A1, and preset voltage value is A1；Loudspeaker plays default sound two times in grade
During source, the average amplitude of the voltage signal of microphone output is A2, and preset voltage value is A2；Loudspeaker plays pre- three times in grade
If during source of sound, the average amplitude of the voltage signal of microphone output is A3, and preset voltage value is A3；Loudspeaker is broadcast under grade four
When putting default source of sound, the average amplitude of the voltage signal of microphone output is A4, and preset voltage value is A4；Loudspeaker is in grade five
When source of sound is preset in lower broadcasting, the average amplitude of the voltage signal of microphone output is A5, and preset voltage value is A5.Need explanation
Be, on how to determine microphone output voltage signal average amplitude implement principle and implementation process is referred to
Embodiment one is described, and here is omitted.
S203, each level of sound volume of storage and preset voltage value one-to-one relationship.
Obtained specifically, working as by step S202 under each level of sound volume, the average width of the voltage signal of microphone output
Value, that is, when obtaining corresponding preset voltage value under each level of sound volume, in this step, just store each level of sound volume and default electricity
The one-to-one relationship of pressure value, obtains level of sound volume as shown in table 1 and the one-to-one relationship of preset voltage value.
The method that the present embodiment is provided, level of sound volume and preset voltage value if mobile terminal is not stored with when dispatching from the factory
One-to-one relationship, at this moment, when starting mobile terminal first, plays the default source of sound under each level of sound volume respectively,
And gather the default source of sound under each level of sound volume respectively using microphone, and using the average amplitude of the voltage signal of output as
Preset voltage value, and then store each level of sound volume and the one-to-one relationship of preset voltage value.So, sound can be obtained exactly
Grade and the one-to-one relationship of preset voltage value, and then the one-to-one relationship based on level of sound volume and preset voltage value are measured,
The state of mobile terminal microphone is judged exactly.
The structural representation for the mobile terminal that Fig. 4 provides for another illustrated embodiment embodiment of the application.It refer to Fig. 4, this reality
The mobile terminal of example offer is provided, including：
Loudspeaker, for playing default source of sound under current volume level；
Microphone, for gathering the default source of sound, and is converted to voltage signal；
Detection module, it is corresponding with the current volume level default for being less than in the average amplitude of the voltage signal
During magnitude of voltage, detect that the microphone is abnormal；
Memory, the one-to-one relationship for storing level of sound volume and preset voltage value.
The mobile terminal of the present embodiment, available for perform Fig. 1 shown in embodiment of the method technical scheme, its realization principle with
Technique effect is similar, and here is omitted.
It should be noted that according to the actual functional capability of mobile terminal, the mobile terminal can also include other hardware, to this
Repeat no more.
Further, the detection module be additionally operable to the amplitude of the voltage signal be more than or equal to it is described current
During the corresponding preset voltage value of level of sound volume, detect that the microphone is normal.
Further, when the default source of sound is unifrequency source of sound, average amplitude is the amplitude of the voltage signal.
Further, when the default source of sound is multi-frequency source of sound, average amplitude is each frequency in the voltage signal
The average value of the amplitude of signal.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is only to the technical scheme for illustrating the application, rather than its limitations；To the greatest extent
The application is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the application
The scope of scheme.
Claims (9)
1. the method for detecting abnormality of microphone in a kind of mobile terminal, it is characterised in that including：
Default source of sound is played under current volume level；
The default source of sound is gathered using microphone, and is converted to voltage signal；
If the average amplitude of the voltage signal is less than preset voltage value corresponding with the current volume level, detection is described
Microphone is abnormal；
Wherein, be stored with level of sound volume and the one-to-one relationship of preset voltage value in the mobile terminal.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
If the average amplitude of the voltage signal is more than or equal to preset voltage value corresponding with the current volume level,
Detect that the microphone is normal.
3. according to the method described in claim 1, it is characterised in that when the default source of sound is unifrequency source of sound, average width
It is worth for the amplitude of the voltage signal.
4. according to the method described in claim 1, it is characterised in that when the default source of sound is multi-frequency source of sound, average width
It is worth for the average value of the amplitude of each frequency signal in the voltage signal.
5. according to the method described in claim 1, it is characterised in that methods described also includes：
When starting the mobile terminal first, the default source of sound is played under each level of sound volume respectively；
Gather the default source of sound under each level of sound volume respectively using microphone, and the average amplitude of the voltage signal of output is made
For preset voltage value；
Store each level of sound volume and the one-to-one relationship of preset voltage value.
6. a kind of mobile terminal, it is characterised in that including：
Loudspeaker, for playing default source of sound under current volume level；
Microphone, for gathering the default source of sound, and is converted to voltage signal；
Detection module, is less than predeterminated voltage corresponding with the current volume level for the average amplitude in the voltage signal
During value, detect that the microphone is abnormal；
Memory, the one-to-one relationship for storing level of sound volume and preset voltage value.
7. mobile terminal according to claim 6, it is characterised in that the detection module is additionally operable in the voltage signal
Amplitude when being more than or equal to preset voltage value corresponding with the current volume level, detect that the microphone is normal.
8. mobile terminal according to claim 6, it is characterised in that when the default source of sound is unifrequency source of sound, put down
Equal amplitude is the amplitude of the voltage signal.
9. mobile terminal according to claim 6, it is characterised in that when the default source of sound is multi-frequency source of sound, put down
Equal amplitude is the average value of the amplitude of each frequency signal in the voltage signal.
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| CN108076199A (en) * | 2017-11-30 | 2018-05-25 | 北京小米移动软件有限公司 | The air-tightness detection method and device of microphone |
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| CN110648685A (en) * | 2019-09-26 | 2020-01-03 | 百度在线网络技术（北京）有限公司 | Device detection method and device, electronic device and readable storage medium |
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| CN111263284A (en) * | 2020-01-09 | 2020-06-09 | 河南讯飞智元信息科技有限公司 | Microphone fault detection method and device, electronic equipment and storage medium |
| CN111866690A (en) * | 2019-04-25 | 2020-10-30 | 深圳市冠旭电子股份有限公司 | Microphone testing method and device |
| CN113709648A (en) * | 2021-08-27 | 2021-11-26 | 重庆紫光华山智安科技有限公司 | Microphone and loudspeaker collaborative testing method, system, medium and electronic terminal |
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| CN113709648A (en) * | 2021-08-27 | 2021-11-26 | 重庆紫光华山智安科技有限公司 | Microphone and loudspeaker collaborative testing method, system, medium and electronic terminal |
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