CN106534567A - Loudspeaker phonate hole draining apparatus and method and mobile terminal - Google Patents
Loudspeaker phonate hole draining apparatus and method and mobile terminal Download PDFInfo
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- CN106534567A CN106534567A CN201611080548.7A CN201611080548A CN106534567A CN 106534567 A CN106534567 A CN 106534567A CN 201611080548 A CN201611080548 A CN 201611080548A CN 106534567 A CN106534567 A CN 106534567A
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- loudspeaker
- sound
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- frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a loudspeaker phonate hole draining apparatus and method and a mobile terminal. The apparatus comprises a detection module for sending a first frequency sweeping signal with a first preset frequency scope to a loudspeaker, so that the loudspeaker plays the first frequency sweeping signal. A microphone receives the sound played by the loudspeaker, and the physical characteristics of the loudspeaker are determined according to the sound. The apparatus further comprises a matching module for matching the physical characteristics with the preset physical characteristics, and a playing module for the loudspeaker to play a predetermined sound signal to drain water when the physical characteristics do not match with the preset physical characteristics. The loudspeaker plays a first frequency sweeping signal to detect the physical characteristics of the loudspeaker, and whether the water draining for a phonate hole is needed can be determined according to the physical characteristics change. When the water draining for a phonate hole is needed, the loudspeaker plays a predetermined sound signal to drain water. The operation process is easy and convenient.
Description
Technical field
The present invention relates to communication field, more particularly to a kind of device of speaker voice giving hole draining, method and mobile terminal.
Background technology
As mobile terminal can be under different use environments as user is different using scene, so, it is mobile
Terminal carries out the inexorable trend that water-proofing treatment is mobile terminal development.
For the mobile terminal with fire resistance characteristic, which is typically all (to raise in Mic (microphone) sound inlets and Speaker
Sound device) go out pellicle at acoustic aperture to reach waterproof intrusion, and then do not affect the propagation of sound.But there is any to be to prevent
Only, when mobile terminal is fallen in liquid, when picking up, going out acoustic aperture on the outside of its Speaker pellicle can be hydraulically full, and leads
Blocking is caused, affects sound normally to send, for example, can show as that sound is sharp, the distortion phenomenon such as sound diminishes.
Speaker goes out when acoustic aperture needs the liquid evaporating completely in the vestibule body of speaking into liquid phenomenon and could recover
Normal sound, this reset mode time are longer, affect user normally to use, and Consumer's Experience is relatively low.
The content of the invention
Present invention is primarily targeted at proposing a kind of device of speaker voice giving hole draining, method and mobile terminal, purport
In the following problem for solving prior art：Speaker goes out the liquid that acoustic aperture needs to wait until to speak in vestibule body into liquid phenomenon
Normal sound could be recovered during evaporating completely, this reset mode time is longer, affect user normally use, Consumer's Experience compared with
It is low.
For achieving the above object, the device of a kind of speaker voice giving hole draining that the present invention is provided, including：Detection module,
For sending the first swept-frequency signal with the first default band limits to loudspeaker, so that loudspeaker plays first frequency sweep
Signal；The sound that the loudspeaker is played is received with microphone, and the physical features of the loudspeaker are determined according to the sound；
Matching module, for the physical features are matched with predetermined physical feature；Playing module, in the physical features
In the case of unmatched with predetermined physical spy, the loudspeaker plays predetermined sound signal, to carry out draining.
Optionally, the playing module, specifically for：With the second predeterminated frequency scope the is sent to the loudspeaker
Two swept-frequency signals, or, the sine wave signal with predeterminated frequency is sent to the loudspeaker, so that loudspeaker plays sound.
Optionally, also include：The playing module, is additionally operable to after the loudspeaker plays predetermined sound signal, then
It is secondary to make the loudspeaker play first swept-frequency signal；The detection module, is additionally operable to detect the thing of the loudspeaker again
Reason feature.
Additionally, for achieving the above object, the present invention also proposes a kind of mobile terminal, including：Above-mentioned speaker voice giving hole
The device of draining.
Additionally, for achieving the above object, the method that the present invention also proposes a kind of draining of speaker voice giving hole, methods described bag
Include step：The first swept-frequency signal with the first default band limits is sent to loudspeaker, so that loudspeaker plays described first
Swept-frequency signal；The sound that the loudspeaker is played is received with microphone, and the physics of the loudspeaker is determined according to the sound
Feature；The physical features are matched with predetermined physical feature；It is unmatched with predetermined physical spy in the physical features
In the case of, the loudspeaker plays predetermined sound signal, to carry out draining.
Optionally, the physical features at least include one below：The resonant frequency of the loudspeaker, the loudspeaker
Frequency response curve, the impedance of the loudspeaker.
Optionally, the loudspeaker is played predetermined sound signal and is included：Send with the second default frequency to the loudspeaker
Second swept-frequency signal of rate scope, so that loudspeaker plays sound；Or, just send with predeterminated frequency to the loudspeaker
String ripple signal, so that loudspeaker plays sound.
Optionally, after the loudspeaker plays predetermined sound signal, also include：Play the loudspeaker again described
First swept-frequency signal, and detect the physical features of the loudspeaker.
The present invention allows loudspeaker to play the first swept-frequency signal, and detects loudspeaker physical features now, special according to physics
The situation of change levied goes out whether acoustic aperture needs draining determining which, in the case of it is determined that needing draining, by allowing loudspeaker to broadcast
Put predetermined sound signal to carry out draining, operating process is easy, and Consumer's Experience is higher, solves the following problem of prior art：
Speaker goes out when acoustic aperture needs the liquid evaporating completely in the vestibule body of speaking into liquid phenomenon to recover normal sound
Sound, this reset mode time are longer, affect user normally to use, and Consumer's Experience is relatively low.
Description of the drawings
Fig. 1 is the hardware architecture diagram for realizing each one optional mobile terminal of embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
The structural representation of the device of the speaker voice giving hole draining that Fig. 3 is provided for first embodiment of the invention；
The method flow diagram of the speaker voice giving hole draining that Fig. 4 is provided for third embodiment of the invention；
The method flow diagram of the speaker voice giving hole draining that Fig. 5 is provided for fourth embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For representing the suffix of such as " module ", " part " or " unit " of element only for being conducive to the explanation of the present invention, itself
Not specific meaning.Therefore, " module " mixedly can be used with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing that each embodiment one of the invention is optional is illustrated.Certainly, the present invention
The hardware configuration of the mobile terminal can be illustrated comprehensively in the first embodiment, in subsequent embodiment, if being directed to
To mobile terminal, it is also possible to illustrated using the hardware configuration in first embodiment, no longer will be repeated in subsequent embodiment
Explain, the description below should be suitable for for each embodiment of the invention.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for illustrating
Part.More or less of component can alternatively be implemented.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and which allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast from external broadcast management server via broadcast channel
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generated before the server or reception of broadcast singal and/or broadcast related information and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can be present in a variety of manners, and for example, which can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can including WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated from three or more satellites
Range information and correct time information and for calculate Information application triangulation, so as to according to longitude, latitude
Three-dimensional current location information is calculated highly accurately.Currently, defended using three for calculating the method for position and temporal information
The error of star and the position that calculated by using other satellite correction and temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include 121 He of camera
Microphone 122, the static images that 121 pairs, camera is obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video is processed.Picture frame after process is may be displayed on display unit 151.Jing cameras 121 are processed
Carry out sending out during picture frame afterwards can be stored in memory 160 (or other storage mediums) or via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
The form output of mobile communication base station is sent to via mobile communication module 112.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) is produced during reception and transmission audio signal
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection is due to the sensitive component of the change of touched and caused resistance, pressure, electric capacity etc.), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, and (for example, mobile terminal 1 00 opens or closes shape
State), the position of mobile terminal 1 00, user is for the presence or absence of contact (that is, touch input), the mobile terminal of mobile terminal 1 00
100 orientation, the acceleration or deceleration movement of mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or is cut out.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).
Interface unit 170 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 1 00.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device with identification module (hereinafter referred to as " identifying device ") can take the form of smart card, therefore, know
Other device can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be used for receive from
The input (for example, data message, electric power etc.) of external device (ED) and the input for receiving is transferred in mobile terminal 1 00
One or more elements can be used for the transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing to pass through which by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing from base the various command signals being input into pass through which
It is transferred to the path of mobile terminal.Can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include showing
Unit 151, dio Output Modules 152, alarm unit 153 etc..
The information that display unit 151 is processed in may be displayed on mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia files
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when the display unit 151 and touch pad touch-screen with formation superposed on one another in the form of layer, display unit
151 can serve as input unit and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user from outside viewing, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display devices), for example, move
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detection and touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal in call signal reception pattern, call mode, logging mode,
It is when under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memory 160
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output so that event is notified to mobile terminal 1 00.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incomingcommunication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Tactile output as by providing, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the process and control operation performed by controller 180 etc., Huo Zheke
With the data (for example, telephone directory, message, still image, video etc.) for temporarily storing own Jing outputs or will export.And
And, memory 160 can be storing the vibration of various modes with regard to exporting when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or it is so structured that and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, by the handwriting input for performing on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various embodiments described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.For hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 180 by such embodiment.
For software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, perform during software code can be stored in memory 160 and by controller 180.
So far, own Jing describes mobile terminal according to its function.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system that mobile terminal wherein of the invention is operable to is described referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If back haul link can be constructed according to any one in the interface that Ganji knows, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion that line is covered is radially away from BS270.Or, each subregion can by for diversity reception two or more
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and each frequency distribution with specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersect can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 is generally configured to coordinate to obtain the positioning wanted letter with satellite 300 as shown in Figure 1
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use can track the position of mobile terminal other
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.BSC275 is also by the number for receiving
According to MSC280 is routed to, which is provided for the extra route service with PSTN290 formation interfaces.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
As shown in figure 3, first embodiment of the invention proposes a kind of device of speaker voice giving hole draining, the device can set
Put in above-mentioned mobile terminal, the device includes：
Detection module 10, for sending the first swept-frequency signal with the first default band limits to loudspeaker, so as to raise
Sound device plays first swept-frequency signal；The sound that the loudspeaker is played is received with microphone, and is determined according to the sound
The physical features of the loudspeaker；
Matching module 20, is coupled with detection module 10, for physical features are matched with predetermined physical feature；
Playing module 30, is coupled with matching module 20, for physical features and predetermined physical it is special it is unmatched in the case of,
Loudspeaker plays predetermined sound signal, to carry out draining.
Where the mobile terminal commonly used for user, typically all user are walked where to take to, so, make in user
With during, will there is situation about falling into the water in mobile terminal.As mobile terminal is conducted oneself with dignity with certain, once
Fall into the water, the speed that falls into the water is also very fast, and mobile terminal speaker voice giving hole will be filled up by water under the effect of the pressure.This
Inventive embodiments are provided with the device of the speaker voice giving hole water inlet identification of the present embodiment to solve above-mentioned technical problem.
After mobile terminal falls into the water, user can just open the device of the present embodiment offer, trigger modules work
Make.
When detection module 10 works, which can detect physical features during loudspeaker the first swept-frequency signal of broadcasting.Realize
During, typically one section of first swept-frequency signal with the first default band limits is sent to loudspeaker, allow loudspeaker to broadcast
Put this first swept-frequency signal of section；The sound that loudspeaker is played is received with microphone again, thus can be determined according to sound and be raised one's voice
The physical features of device.
When loudspeaker is got after going out acoustic aperture and sending the physical features of sound, matching module 20 starts to perform matching work
Make, that is, judge whether the physical features for detecting are matched with predetermined physical feature.When realizing, typically with a matching degree it is
Matching benchmark.
For example, when the physical features for detecting and predetermined physical characteristic matching degree reach 80%, it is possible to which confirmation is detected
Physical features match with predetermined physical feature；When the physical features for detecting are not reaching to predetermined physical characteristic matching degree
80%, it is possible to which the physical features that confirmation is detected are mismatched with predetermined physical feature, and now can just set out playing module 30
Work.
Playing module 30 works in the case of physical features and predetermined physical spy are unmatched, even if loudspeaker plays predetermined
Voice signal, the vibrations brought when being played by predetermined sound signal are carrying out draining to go out acoustic aperture.
During realization, playing module 30 specifically for：With the second predeterminated frequency scope the is sent to loudspeaker
Two swept-frequency signals, or, the sine wave signal with predeterminated frequency is sent to loudspeaker, so that loudspeaker plays sound.For example,
Loudspeaker predeterminated frequency f is determined by equation below：
In formula, c is the velocity of sound in water, is taken as 1480m/s herein, and S is loudspeaker device sender sectional area, and d is that sender is straight
Footpath, l are sender length, and V is sender volume.
The mode of above-mentioned calculating predeterminated frequency is a kind of implementation, and those skilled in the art can be adopted when realizing
The process of above-mentioned calculating predeterminated frequency is substituted with various ways.After predeterminated frequency is calculated in advance, if worrying predeterminated frequency
Sine wave signal effect is bad, can be so that the value of the second predeterminated frequency scope is considered according to the predeterminated frequency.Certainly, for
The uncertain liquid of density, is easier to discharge out the water in acoustic aperture relative to fixed frequency signal using swept-frequency signal.
After first time draining has been completed, it is possible to which can also there are some water does not have emptying, it is also possible to emptying,
Therefore, in order to determine whether water that emptying goes out in acoustic aperture completely, playing module 30 also needs to play predetermined sound in loudspeaker
Message number makes loudspeaker play the first swept-frequency signal afterwards, again, and to allow detection module 10 to detect again, the physics of loudspeaker is special
Levy, determine so as to according to physical features whether loudspeaker normally can use.
With regard to the physical features being related in said process, it will usually which based on being easier to detect, for example, which can
To be the resonant frequency of loudspeaker, can be the frequency response curve of loudspeaker, can also be the impedance of loudspeaker.
If physical features are the resonant frequencies of loudspeaker, by the resonant frequency for detecting and the loudspeaker normal work
When resonant frequency be compared, judge the difference of the resonant frequency that detects and resonant frequency during normal work whether pre-
Determine in difference range；When difference is in the range of predetermined difference value, illustrate that current speaker sends sound normal, it is not necessary to enter for which
Row drain operation；When difference is not in the range of predetermined difference value, that just illustrates that the resonant frequency for detecting is normal with the loudspeaker
The comparison of resonant frequency difference during work is more, and it is abnormal that current speaker sends sound, it is necessary to carries out drain operation for which.
The embodiment of the present invention allows loudspeaker to play the first swept-frequency signal, and detects loudspeaker physical features now, according to
The situation of change of physical features goes out whether acoustic aperture needs draining determining which, in the case of it is determined that needing draining, is raised by allowing
Sound device is played predetermined sound signal to carry out draining, and operating process is easy, and Consumer's Experience is higher, solves the as follows of prior art
Problem：Speaker goes out when acoustic aperture needs the liquid evaporating completely in the vestibule body of speaking into liquid phenomenon just to recover
Normal sound, this reset mode time are longer, affect user normally to use, and Consumer's Experience is relatively low.
Certainly, if mobile terminal does not fall into the water, but user thinks that loudspeaker plays cacophonia, it is also possible to open
The device is being detected.
Second embodiment of the invention provides a kind of mobile terminal, and the mobile terminal includes raising in above-mentioned first embodiment
Sound device goes out the device of acoustic aperture draining.In the present embodiment, emphatically to the device of user and the draining of speaker voice giving hole in screen circle
The process of face interaction is illustrated.
In the present embodiment, the device of above-mentioned speaker voice giving hole draining is integrated in mobile terminal in the way of systemic-function
In.When user realizes the loudspeaker broadcasting cacophonia of mobile terminal, it is possible to put during open system is arranged and open the dress
The interface icon put.
Certainly, the operation for opening the device is not limited only to click on interface icon, or is grasped by efficiently gesture
Make to open the function, or by triggering some physical button opening the function, only with interface in the present embodiment
The form of icon is illustrated.
After the device is unlocked, detection module work, which can detect physics during loudspeaker the first swept-frequency signal of broadcasting
Feature.Now, as loudspeaker is in the first swept-frequency signal of broadcasting, therefore, photo or audio player etc. can be presented on screen
Content, certainly, the curriculum offering that user can also be liked according to the demand of oneself is on screen.
During realization, typically one section of the first frequency sweep letter with the first default band limits is sent to loudspeaker
Number, allow loudspeaker to play this first swept-frequency signal of section；The sound that loudspeaker is played is received with microphone again, thus can be with root
The physical features of loudspeaker are determined according to sound.
When loudspeaker is got after going out acoustic aperture and sending the physical features of sound, matching module starts to perform matching work
Make, that is, judge whether the physical features for detecting are matched with predetermined physical feature.Now, due to being a matching process, screen
On various cartoon male and female male earners pairing image can be presented, certainly, as the process is shorter, can not also carry out on screen any
Show.
When realizing, typically with a matching degree to match benchmark.For example, when the physical features for detecting and default thing
Reason characteristic matching degree reaches 80%, it is possible to which the physical features that confirmation is detected are matched with predetermined physical feature；When detecting
Physical features and predetermined physical characteristic matching degree be not reaching to 80%, it is possible to physical features and default thing that confirmation is detected
Reason feature is mismatched, the playing module that now can just set out work.
Playing module works in the case of physical features and predetermined physical spy are unmatched, makes loudspeaker play predetermined sound
Signal, the vibrations brought when being played by predetermined sound signal are carrying out draining to go out acoustic aperture.During realization, playing module
Specifically for：The second swept-frequency signal with the second predeterminated frequency scope is sent to loudspeaker, or, send to loudspeaker and have
The sine wave signal of predeterminated frequency, so that loudspeaker plays sound.
After first time draining has been completed, it is possible to which can also there are some water does not have emptying, it is also possible to emptying,
Therefore, in order to determine whether water that emptying goes out in acoustic aperture completely, playing module also needs to play predetermined sound in loudspeaker
After signal, loudspeaker is made to play the first swept-frequency signal again, to allow detection module to detect the physical features of loudspeaker again, with
Just according to physical features determining whether loudspeaker normally can use.
Embodiment of the present invention mobile terminal during speaker voice giving hole carries out draining, arrange different interfaces come with
User interacts the interest that increased that user uses, and in the case of it is determined that needing draining, by allowing loudspeaker to play
Carrying out draining, operating process is easy, and Consumer's Experience is higher, solves the following problem of prior art for predetermined sound signal：
Speaker goes out when acoustic aperture needs the liquid evaporating completely in the vestibule body of speaking into liquid phenomenon to recover normal sound
Sound, this reset mode time are longer, affect user normally to use, and Consumer's Experience is relatively low.
Third embodiment of the invention provides a kind of method of speaker voice giving hole draining, flow process such as Fig. 4 institutes of the method
Show, method includes step S402 to S406：
S402, detects physical features during loudspeaker the first swept-frequency signal of broadcasting；
S404, physical features are matched with predetermined physical feature；
S406, in the case of physical features are unmatched with predetermined physical spy, loudspeaker plays predetermined sound signal, to enter
Row draining.
The embodiment of the present invention allows loudspeaker to play the first swept-frequency signal, and detects loudspeaker physical features now, according to
The situation of change of physical features goes out whether acoustic aperture needs draining determining which, in the case of it is determined that needing draining, is raised by allowing
Sound device is played predetermined sound signal to carry out draining, and operating process is easy, and Consumer's Experience is higher, solves the as follows of prior art
Problem：Speaker goes out when acoustic aperture needs the liquid evaporating completely in the vestibule body of speaking into liquid phenomenon just to recover
Normal sound, this reset mode time are longer, affect user normally to use, and Consumer's Experience is relatively low.
During physical features when detecting that loudspeaker plays the first swept-frequency signal, first can send with first to loudspeaker
First swept-frequency signal of default band limits, so that loudspeaker plays the first swept-frequency signal；Loudspeaker is received with microphone again to broadcast
The sound put, thus can determine the physical features of loudspeaker according to sound.
When loudspeaker is got after going out acoustic aperture and sending the physical features of sound, judge the physical features that detect with it is pre-
If whether physical features match.When realizing, can be weighed with a matching difference and whether be matched.
For example, when the physical features for detecting and predetermined physical characteristic matching difference reach 30%, it is possible to confirm detection
The physical features for arriving are mismatched with predetermined physical feature；When the physical features for detecting are not had with predetermined physical characteristic matching difference
Reach 30%, it is possible to the physical features that confirmation is detected and predetermined physical characteristic matching.
Work in the case of physical features and predetermined physical spy are unmatched, even if loudspeaker plays predetermined sound signal,
The vibrations brought when being played by predetermined sound signal are carrying out draining to go out acoustic aperture.
During realization, the second swept-frequency signal with the second predeterminated frequency scope can be sent to loudspeaker, or,
The sine wave signal with predeterminated frequency is sent to loudspeaker, so that loudspeaker plays sound.For example, determined by equation below
Determine loudspeaker predeterminated frequency f：
In formula, c is the velocity of sound in water, is taken as 1480m/s herein, and S is loudspeaker device sender sectional area, and d is that sender is straight
Footpath, l are sender length, and V is sender volume.
The mode of above-mentioned calculating predeterminated frequency is a kind of implementation, and those skilled in the art, can be with when realizing
The process of above-mentioned calculating predeterminated frequency is substituted using the various ways such as experiment or emulation.
After predeterminated frequency is calculated in advance, if worrying that the sine wave signal effect of predeterminated frequency is bad, can be somebody's turn to do with basis
Predeterminated frequency is considering the value of the second predeterminated frequency scope.Certainly, for the uncertain liquid of density, using swept-frequency signal phase
For fixed frequency signal is easier to discharge out the water in acoustic aperture.
After first time draining has been completed, it is possible to which can also there are some water does not have emptying, it is also possible to emptying,
Therefore, in order to determine whether water that emptying goes out in acoustic aperture completely, in addition it is also necessary to after loudspeaker plays predetermined sound signal,
Loudspeaker is made to play the first swept-frequency signal again, to detect the physical features of loudspeaker again, to come true according to physical features
Determine whether loudspeaker normally can use.
With regard to the physical features being related in said process, it will usually which based on being easier to detect, for example, which can
To be the resonant frequency of loudspeaker, can be the frequency response curve of loudspeaker, can also be the impedance of loudspeaker.
If physical features are the frequency response curves of loudspeaker, by the frequency response curve for detecting and the loudspeaker
Frequency response curve during normal work is compared, and judges that the frequency response curve for detecting is rung with frequency during normal work
The difference of curve is answered whether in the range of predetermined difference value；When difference is in the range of predetermined difference value, illustrate that current speaker sends
Sound is normal, it is not necessary to carry out drain operation for which；When difference is not in the range of predetermined difference value, that just illustrates the frequency for detecting
The comparison that rate response curve is differed with the frequency response curve during loudspeaker normal work is more, and current speaker sends sound not
Normally, it is necessary to carry out drain operation for which.
The method that fourth embodiment of the invention provides a kind of draining of speaker voice giving hole, when this method is realized, can be with profit
With various methods move terminal enter water detection, the method flow process as shown in figure 5, including：
S1, is compared by physical features and determines that mobile phone speaker goes out acoustic aperture water inlet.
S2, reads the sine wave signal of the predeterminated frequency for draining.
S3, plays the sine wave signal of predeterminated frequency by sine-wave generator or fixed source of sound, to carry out draining behaviour
Make.
S4, carries out physical features comparison again, to judge that it is whether normal that current speaker is played.If it is, S5 is performed,
S3 is performed otherwise.
S5, drain operation terminate.
During determining that mobile phone speaker goes out acoustic aperture water inlet by physical features comparison, due to the detection device for adopting
Difference, therefore, it can include different comparison main bodys.
For example, Mic and Speaker are assisted mutually, are obtained current Speaker frequency responses and are entered with the normal frequency response of factory preset
Row is compared, and judges whether F0 (resonant frequency) and frequency response curve are normal.
During F0 with frequency response curve detection, it is possible to use the sine of one section of 20Hz～20KHz of mobile terminal playing
Ripple swept-frequency signal, is recorded using terminal Mic, then draws frequency response curve, is compared with factory preset frequency response curve, is looked for
Go out the difference between each Point in curve, judge whether overboard.
If comparison differs greatly, then may determine that speaker damage or the water inlet of loudspeaker sender.
For example, it is also possible to pass through SmartPA devices detect to loudspeaker impedance, posted by reading SmartPA correlations
Storage, can obtain the resistance value of loudspeaker；Enter water model data again to be contrasted with laboratory, if impedance exception, just may be used
To judge that loudspeaker is abnormal or intakes.
After it is determined that loudspeaker plays exception, mobile phone can play specific sine wave signal, the signal frequency and loudspeaker
In sender, the characteristic frequency of ponding is equal or close, and then causes ponding to resonate, and ponding is discharged.The frequency of above-mentioned play signal
Rate can be determined by following three kinds of methods.
(1) by following default predictor formula calculating：
In formula, c is the velocity of sound in water, is taken as 1480m/s herein, and S is loudspeaker device sender sectional area, and d is that sender is straight
Footpath, l are sender length, and V is sender volume.The method can probably estimate required characteristic frequency, when loudspeaker
When sender shape is very regular, the formula can have higher precision.
(2) acoustic software simulation method：
Sender cavity can be built using acoustics simulation softwares such as Ansys, Virtual.lab Acoustics
Mould, and acoustic mode analysis is carried out to water-filled sender space, take what the corresponding frequency of the 1st rank acoustic mode as needed
Characteristic frequency, or, a plane sound wave is emulated into the frequency response in water-filled chamber, a frequency response curve is obtained,
Take the characteristic frequency that the 1st corresponding frequency of crest of the frequency response curve as needs.
(3) experimental tests：
The method can enter the situation after water with analogue mobile phone, now be placed in water mobile phone, and mobile phone is played 20Hz after taking out and arrived
The swept-frequency signal of 20kHz, observes the Vibration Condition of ponding in loudspeaker sender, and ponding vibrates more violent, illustrates corresponding
Characteristic frequency of the frequency range closer to ponding, progressively confirms to be close to the characteristic frequency of ponding by dichotomy.
Three kinds of methods according to sum up stating enter the determination of line frequency, by embedding sine-wave generator or fixed frequency range
The sine wave source of sound of swept-frequency signal or fixed frequency is carrying out drainage works.When system sends dewatering needs, pass through
Speaker passages carry out the broadcasting of maximum gain, reach the purpose for farthest excluding sender moisture.
The embodiment of the present invention is used as foundation by the data that laboratory simulations are obtained, and detects F0 and profit using loudspeaker frequency sweep
Realize both modes of detection to loudspeaker impedance characteristic to realize sentencing for loudspeaker exception with SmartPA related registers
It is disconnected, to confirm that speaker voice giving hole is blocked by liquid.Afterwards by three kinds of methods mentioned above：Predictor formula method, acoustics are soft
Part simulation method, experimental tests are determined under present terminal structure, the substantially resonant frequency of cavity, by inside mobile terminal just
String wave producer embeds specific source of sound with maximum gain broadcasting sine wave, reaches the mesh for understanding moisture in speaker voice giving hole
's.Solve waterproof mobile phone it is overboard after it is outer put of short duration abnormal shortcoming, solve user's pain spot, increased the function of mobile terminal
And attraction.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or device including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), use so that a station terminal equipment including some instructions (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. the device of a kind of speaker voice giving hole draining, it is characterised in that include：
Detection module, for sending the first swept-frequency signal with the first default band limits to loudspeaker, so that loudspeaker is broadcast
Put first swept-frequency signal；The sound that the loudspeaker is played is received with microphone, and is raised according to the sound determines
The physical features of sound device；
Matching module, for the physical features are matched with predetermined physical feature；
Playing module, for, in the case of the physical features are unmatched with predetermined physical spy, the loudspeaker is played predetermined
Voice signal, to carry out draining.
2. device as claimed in claim 1, it is characterised in that the playing module, specifically for：
The second swept-frequency signal with the second predeterminated frequency scope is sent to the loudspeaker, or, send to the loudspeaker
Sine wave signal with predeterminated frequency, so that loudspeaker plays sound.
3. device as claimed in claim 2, it is characterised in that also include：
The playing module, is additionally operable to after the loudspeaker plays predetermined sound signal, plays the loudspeaker again
First swept-frequency signal；
The detection module, is additionally operable to detect the physical features of the loudspeaker again.
4. a kind of mobile terminal, it is characterised in that include：Speaker voice giving hole draining any one of claims 1 to 3
Device.
5. the method for a kind of speaker voice giving hole draining, it is characterised in that methods described includes step：
The first swept-frequency signal with the first default band limits is sent to loudspeaker, so that loudspeaker plays first frequency sweep
Signal；
The sound that the loudspeaker is played is received with microphone, and the physical features of the loudspeaker are determined according to the sound；
The physical features are matched with predetermined physical feature；
In the case of the physical features are unmatched with predetermined physical spy, the loudspeaker plays predetermined sound signal, to enter
Row draining.
6. method as claimed in claim 5, it is characterised in that the physical features at least include one below：It is described to raise one's voice
The resonant frequency of device, the frequency response curve of the loudspeaker, the impedance of the loudspeaker.
7. the method as described in claim 5 or 6, it is characterised in that the loudspeaker plays predetermined sound signal to be included：
The second swept-frequency signal with the second predeterminated frequency scope is sent to the loudspeaker, so that loudspeaker plays sound；Or
Person,
The sine wave signal with predeterminated frequency is sent to the loudspeaker, so that loudspeaker plays sound.
8. method as claimed in claim 7, it is characterised in that after the loudspeaker plays predetermined sound signal, also include：
Make the loudspeaker play first swept-frequency signal again, and detect the physical features of the loudspeaker.
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| CN108471574A (en) * | 2018-05-14 | 2018-08-31 | 广东小天才科技有限公司 | A kind of method and electronic equipment of discharge loud speaker residual liquid |
| CN108600924A (en) * | 2018-05-14 | 2018-09-28 | 广东小天才科技有限公司 | A kind of loud speaker water discharge method and wearable device |
| CN108616796A (en) * | 2018-05-14 | 2018-10-02 | 广东小天才科技有限公司 | A kind of loud speaker water discharge method and electronic equipment based on electronic equipment |
| CN108634497A (en) * | 2018-05-14 | 2018-10-12 | 广东小天才科技有限公司 | A kind of water discharge method and wearable device of wearable device |
| CN108668199A (en) * | 2018-05-14 | 2018-10-16 | 广东小天才科技有限公司 | A kind of loud speaker fluid-discharge method and electronic equipment based on Gain tuning |
| CN108683981A (en) * | 2018-05-14 | 2018-10-19 | 广东小天才科技有限公司 | Loud speaker water discharge method, device, electronic equipment and the storage medium of electronic equipment |
| CN109358999A (en) * | 2018-10-15 | 2019-02-19 | 广东小天才科技有限公司 | Water inlet detection method, intelligent terminal and the storage medium of intelligent terminal |
| CN111804657A (en) * | 2020-07-10 | 2020-10-23 | 广东小天才科技有限公司 | Method and system for cleaning loudspeaker plugged hole and intelligent wearable equipment |
| CN112534833A (en) * | 2018-08-03 | 2021-03-19 | 三星电子株式会社 | Electronic device for discharging liquid using sound having adjusted center frequency and sound pressure and method thereof |
| CN112887893A (en) * | 2021-02-03 | 2021-06-01 | 北京小米移动软件有限公司 | Loudspeaker using method, device and medium |
| CN113395648A (en) * | 2020-03-11 | 2021-09-14 | 北京小米移动软件有限公司 | Sound outlet hole abnormal state detection method and device |
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| CN108668199A (en) * | 2018-05-14 | 2018-10-16 | 广东小天才科技有限公司 | A kind of loud speaker fluid-discharge method and electronic equipment based on Gain tuning |
| CN108616796A (en) * | 2018-05-14 | 2018-10-02 | 广东小天才科技有限公司 | A kind of loud speaker water discharge method and electronic equipment based on electronic equipment |
| CN108634497A (en) * | 2018-05-14 | 2018-10-12 | 广东小天才科技有限公司 | A kind of water discharge method and wearable device of wearable device |
| CN108471574A (en) * | 2018-05-14 | 2018-08-31 | 广东小天才科技有限公司 | A kind of method and electronic equipment of discharge loud speaker residual liquid |
| CN108683981A (en) * | 2018-05-14 | 2018-10-19 | 广东小天才科技有限公司 | Loud speaker water discharge method, device, electronic equipment and the storage medium of electronic equipment |
| CN108600924A (en) * | 2018-05-14 | 2018-09-28 | 广东小天才科技有限公司 | A kind of loud speaker water discharge method and wearable device |
| CN108683981B (en) * | 2018-05-14 | 2020-06-26 | 广东小天才科技有限公司 | Loudspeaker drainage method and device of electronic equipment, electronic equipment and storage medium |
| CN112534833A (en) * | 2018-08-03 | 2021-03-19 | 三星电子株式会社 | Electronic device for discharging liquid using sound having adjusted center frequency and sound pressure and method thereof |
| US11927992B2 (en) | 2018-08-03 | 2024-03-12 | Samsung Electronics Co., Ltd. | Electronic device for discharging liquid using sound having adjusted center frequency and sound pressure, and method therefor |
| CN109358999A (en) * | 2018-10-15 | 2019-02-19 | 广东小天才科技有限公司 | Water inlet detection method, intelligent terminal and the storage medium of intelligent terminal |
| CN113395648A (en) * | 2020-03-11 | 2021-09-14 | 北京小米移动软件有限公司 | Sound outlet hole abnormal state detection method and device |
| CN113395648B (en) * | 2020-03-11 | 2022-11-18 | 北京小米移动软件有限公司 | Sound outlet hole abnormal state detection method and device |
| CN111804657A (en) * | 2020-07-10 | 2020-10-23 | 广东小天才科技有限公司 | Method and system for cleaning loudspeaker plugged hole and intelligent wearable equipment |
| CN112887893A (en) * | 2021-02-03 | 2021-06-01 | 北京小米移动软件有限公司 | Loudspeaker using method, device and medium |
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