CN104683903A - Earphone control method and device - Google Patents
Earphone control method and device Download PDFInfo
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- CN104683903A CN104683903A CN201510069568.3A CN201510069568A CN104683903A CN 104683903 A CN104683903 A CN 104683903A CN 201510069568 A CN201510069568 A CN 201510069568A CN 104683903 A CN104683903 A CN 104683903A
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Abstract
The disclosed embodiments provide an earphone control method and device. The method is used for terminal equipment, wherein an inductor is connected between an earth wire of an earphone interface of the terminal equipment and an earth wire of a circuit board of the terminal equipment in series; the method comprises the following steps: judging whether the terminal equipment meets the specified conditions or not; if the terminal equipment does not meet the specified conditions, setting the inductor to be a short circuit mode, so that the earth wire of the earphone interface is directly connected with the earth wire of the circuit board of the terminal equipment; if the terminal equipment meets the specified conditions, setting the inductor to be a non-short circuit mode, so that the earth wire of the earphone interface is connected with the earth wire of the circuit board of the terminal equipment by the inductor. With adoption of the solution of the disclosed embodiments, the inductor connected between the earth wire of the earphone interface and the earth wire of the circuit board of the terminal equipment in series can be selectively connected to the circuit, so that the FM antenna sensitivity and the earphone sound effect can be taken into account effectively, without mutual interference, and respective results are not discounted.
Description
Technical field
The disclosure relates to terminal equipment technical field, particularly relates to headset control method and device.
Background technology
A lot of terminal equipment, as mobile phone, panel computer etc., all carries radio function, can receive FM FM broadcasting at present.For mobile phone, because the finite volume of mobile phone, usually special telescopic antenna cannot be configured as traditional broadcast receiver, so in the related, the ground wire of the wired earphone of insertion can be utilized at mobile phone terminal as frequency-modulated antenna, and seal in an inductance between the ground wire and the ground wire of circuit board of mobile phone of earphone interface of mobile phone, such as, seal in a magnetic bead (Bead), to improve frequency-modulated antenna sensitivity, realize the effective reception to FM broadcast singal.
Summary of the invention
The disclosure provides headset control method and device, to solve the technical problem that FM antenna sensitivity and earphone interchannel crosstalk (Crosstalk) cannot effectively be taken into account.
According to the first aspect of disclosure embodiment, provide a kind of headset control method, described method is used for terminal equipment, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate;
Described method comprises:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
Optionally, described specified requirements is:
Broadcast receiver on described terminal equipment is activated.
Optionally, described inductance connect a physical switch;
Described described inductance is set to short-circuit mode, comprises:
Closed described physical switch, to make described inductance short circuit;
Described described inductance is set to non-shorting pattern, comprises:
Disconnect described physical switch, depart from short circuit to make described inductance.
According to the second aspect of disclosure embodiment, provide a kind of earphone control device, described device is used for terminal equipment, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate;
Described device comprises:
Judge module, for judging whether described terminal equipment meets specified requirements, and notifies earphone circuit handover module by judged result;
Earphone circuit handover module, for when described terminal equipment is less than toe fixed condition, is set to short-circuit mode by described inductance, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate; When described terminal equipment meets specified requirements, described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
Optionally, described specified requirements is:
Broadcast receiver on described terminal equipment is activated.
Optionally, described inductance connect a physical switch;
Described earphone circuit handover module when described inductance is set to short-circuit mode, for:
Closed described physical switch, to make described inductance short circuit;
Described earphone circuit handover module when described inductance is set to non-shorting pattern, for:
Disconnect described physical switch, depart from short circuit to make described inductance.
According to the third aspect of disclosure embodiment, a kind of earphone control device is provided, comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
According to the fourth aspect of disclosure embodiment, a kind of terminal equipment is provided, inductance is gone here and there between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate, described inductance also connects a physical switch, described physical switch is closed or disconnection according to control command, is correspondingly shorted to make described inductance or departs from short circuit.
According to the 5th aspect of disclosure embodiment, a kind of terminal equipment is provided, described terminal equipment possesses two earphone interfaces, go here and there inductance between the ground wire of one of them earphone interface and the ground wire of terminal device circuitry plate, the ground wire of another one earphone interface directly connects the ground wire of described terminal device circuitry plate.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
In the disclosed embodiments, for the terminal equipment with radio function, for the inductance of connecting between the ground wire of earphone interface and the ground wire of circuit board increases fault control function, control this inductance according to specified requirements whether to be shorted, thus make being linked between earphone interface ground wire and circuit board ground of this inductance selection.Because this inductance sealed in itself has impedance, so the sound performance of earphone can be affected, bring interchannel crosstalk, headphones sound effect is caused to give a discount, if and remove this inductance, although headphones sound performance can be improved, again reduce the sensitivity of FM radio antenna, cause broadcast receiver poor effect even cannot listen to.And after applying the scheme of disclosure embodiment, effectively can take into account the problem of FM antenna sensitivity and headphones sound effect, make it be independent of each other, respective effect is not all given a discount.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows embodiment according to the invention, and is used from specification one and explains principle of the present invention.
Fig. 1 is the flow chart of a kind of headset control method according to an exemplary embodiment;
Fig. 2 is the head circuit schematic diagram without mobile phone during radio function;
Fig. 3 is the head circuit schematic diagram of mobile phone when having radio function;
Fig. 4 is the head circuit schematic diagram according to an exemplary embodiment;
Fig. 5 be according to an exemplary embodiment make magnetic bead depart from short circuit time user interface schematic diagram;
Fig. 6 be according to an exemplary embodiment make magnetic bead short circuit time user interface schematic diagram;
Fig. 7 is the block diagram of a kind of earphone control device according to an exemplary embodiment;
Fig. 8 is a kind of schematic diagram with the mobile phone of double earphone interfaces according to an exemplary embodiment;
Fig. 9 is the block diagram of a kind of device for earphone control according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the flow chart of a kind of headset control method according to an exemplary embodiment.The method can be used for the terminal equipment such as mobile phone, panel computer, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate; Described method can comprise:
In step S101, judge whether described terminal equipment meets specified requirements.
In step s 102, if described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate.
In step s 103, if described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
In the present embodiment, for the inductance (below all with magnetic bead representative) of connecting between earphone interface ground wire and circuit board ground increases fault control function, control magnetic bead according to specified requirements whether to be shorted, thus this magnetic bead is optionally linked between earphone interface ground wire and circuit board ground.
Particular content the present embodiment for described specified requirements does not limit, and various whether access between earphone interface ground wire and circuit board ground magnetic bead has the situation of demand all to can be used as described specified requirements.Exemplarily, described specified requirements can be:
Broadcast receiver on described terminal equipment is activated.
For specifically how magnetic bead being set to short-circuit mode the present embodiment also do not limit, those skilled in the art can design circuit as the case may be, realizes magnetic bead short circuit whether control.
Exemplarily, in the specific implementation described inductance can and connect a physical switch;
Described described inductance is set to short-circuit mode, can comprises:
Closed described physical switch, to make described inductance short circuit;
Described described inductance is set to non-shorting pattern, can comprises:
Disconnect described physical switch, depart from short circuit to make described inductance.
Exemplarily interlock circuit figure can with reference to shown in figure 2 ~ Fig. 4.Fig. 2 is the head circuit schematic diagram without mobile phone during radio function, HPH_L and HPH_R represents the left and right acoustic channels of earphone interface respectively, R
load1and R
loud2represent the resistance of two sound channels self respectively, V
gNDrepresent the ground wire of circuit board of mobile phone, easily know that the electric current of left and right acoustic channels can flow directly to ground wire according to circuit general principle.
Fig. 3 is the head circuit schematic diagram of mobile phone when having radio function, wherein R
gndrepresent the resistance of magnetic bead sealed in, on the circuit of therefore now ground connection, resistance is no longer zero, so the electric current now in a sound channel all can not flow to ground wire again, but some is diverted in another sound channel, thus brings crosstalk.Although can reduce the resistance of this magnetic bead, make earphone antenna sensitivity decrease a bit, headphones sound effect improves a bit, and this is just a kind of compromise after all, still can have problems, such as, HiFi function can be caused to be difficult to realize.
Fig. 4 is the head circuit schematic diagram according to an exemplary embodiment, in the diagram, Fig. 3 basis is V
gNDa physical switch in parallel, this physical switch by mobile phone system controls, can as stated above in mode carry out work.
Below in conjunction with two concrete scenes, disclosure scheme is further described:
Scene one:
Fig. 5 be according to an exemplary embodiment make magnetic bead depart from short circuit time user interface schematic diagram.After user inserts earphone, when cell phone system finds that certain moment, user opened radio function, then control this physical switch and disconnect, magnetic bead is come into force, thus strengthen earphone antenna sensitivity, improve broadcast receiver effect.Exemplarily can see shown in this Fig. 5, user plugs in the earphone and after opening broadcast receiver, this physical switch disconnects on backstage by cell phone system automatically, and user is carried out to the prompting of " broadcast receiver earphone antenna pattern is opened automatically " in interface, foreground.
Scene two:
Fig. 6 be according to an exemplary embodiment make magnetic bead short circuit time user interface schematic diagram.When cell phone system finds that user closes broadcast receiver, or when having situations such as incoming call when listening to the radio, then control this physical switch and close, magnetic bead was lost efficacy, thus raising headphones sound effect, facilitate user to receive calls.Exemplarily can see shown in this Fig. 6, user has phone incoming call when broadcast listening, then this physical switch closes on backstage by cell phone system automatically, makes magnetic bead short circuit, and user is carried out to the prompting of " broadcast receiver earphone antenna pattern is closed automatically " in interface, foreground.
In the above-described embodiments, for the terminal equipment with radio function, for the inductance of connecting between the ground wire of earphone interface and the ground wire of circuit board increases fault control function, control this inductance according to specified requirements whether to be shorted, thus make being linked between earphone interface ground wire and circuit board ground of this inductance selection.After the scheme of application disclosure embodiment, effectively can take into account the problem of FM antenna sensitivity and headphones sound effect, make it be independent of each other, respective effect is not all given a discount.
Fig. 7 is the block diagram of a kind of earphone control device according to an exemplary embodiment.This device can be used for the terminal equipment such as mobile phone, panel computer, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate; Described device can comprise:
Judge module 701, for judging whether described terminal equipment meets specified requirements, and notifies earphone circuit handover module by judged result;
Earphone circuit handover module 702, for when described terminal equipment is less than toe fixed condition, is set to short-circuit mode by described inductance, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate; When described terminal equipment meets specified requirements, described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
In the present embodiment or the disclosure some other embodiments, described specified requirements is:
Broadcast receiver on described terminal equipment is activated.
In the present embodiment or the disclosure some other embodiments, described inductance also connects a physical switch;
Described earphone circuit handover module when described inductance is set to short-circuit mode, for:
Closed described physical switch, to make described inductance short circuit;
Described earphone circuit handover module when described inductance is set to non-shorting pattern, for:
Disconnect described physical switch, depart from short circuit to make described inductance.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in the embodiment of method, will not elaborate explanation herein.
In the above-described embodiments, for the terminal equipment with radio function, for the inductance of connecting between the ground wire of earphone interface and the ground wire of circuit board increases fault control function, control this inductance according to specified requirements whether to be shorted, thus make being linked between earphone interface ground wire and circuit board ground of this inductance selection.After the scheme of application disclosure embodiment, effectively can take into account the problem of FM antenna sensitivity and headphones sound effect, make it be independent of each other, respective effect is not all given a discount.
The disclosure also discloses a kind of terminal equipment, inductance is gone here and there between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate, described inductance also connects a physical switch, described physical switch is closed or disconnection according to control command, is correspondingly shorted to make described inductance or departs from short circuit.
The disclosure also discloses a kind of terminal equipment, described terminal equipment possesses two earphone interfaces, go here and there inductance between the ground wire of one of them earphone interface and the ground wire of terminal device circuitry plate, the ground wire of another one earphone interface directly connects the ground wire of described terminal device circuitry plate.
The particular location disclosure for these two earphone interfaces does not limit, and these two earphone interfaces can be designed to the homonymy being positioned at mobile phone by technical staff, or one, side, mobile phone both sides, etc.
Exemplarily can be shown in Figure 8, Fig. 8 is a kind of schematic diagram with the mobile phone of double earphone interfaces according to an exemplary embodiment.In fig. 8, two earphone interfaces are all placed in mobile phone top, and wherein 801 is do not go here and there the earphone interface of inductance, and 802 is the earphone interface that string has inductance.Like this, when user thinks broadcast listening, can by earphone plugged earphone interface 802, other time then can by earphone plugged earphone interface 801.
The disclosure also discloses a kind of earphone control device, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
The disclosure also discloses a kind of non-transitory computer-readable recording medium, and when the instruction in described storage medium is performed by the processor of terminal equipment, make terminal equipment can perform a kind of headset control method, described method comprises:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
Fig. 9 is the block diagram of a kind of device for earphone control according to an exemplary embodiment.Such as, this device 2800 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 9, device 2800 can comprise following one or more assembly: processing components 2802, memory 2804, power supply module 2806, multimedia groupware 2808, audio-frequency assembly 2810, the interface 2812 of I/O (I/O), sensor cluster 2814, and communications component 2816.
The integrated operation of the usual control device 2800 of processing components 2802, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 2802 can comprise one or more processor 2820 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 2802 can comprise one or more module, and what be convenient between processing components 2802 and other assemblies is mutual.Such as, processing components 2802 can comprise multi-media module, mutual with what facilitate between multimedia groupware 2808 and processing components 2802.
Memory 2804 is configured to store various types of data to be supported in the operation of equipment 2800.The example of these data comprises for any application program of operation on device 2800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 2804 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that power supply module 2806 is device 2800 provide electric power.Power supply module 2806 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 2800 and be associated.
Multimedia groupware 2808 is included in the screen providing an output interface between described device 2800 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 2808 comprises a front-facing camera and/or post-positioned pick-up head.When device 2800 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 2810 is configured to export and/or input audio signal.Such as, audio-frequency assembly 2810 comprises a microphone (MIC), and when device 2800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 2804 further or be sent via communications component 2816.In certain embodiments, audio-frequency assembly 2810 also comprises a loud speaker, for output audio signal.
I/O interface 2812 is for providing interface between processing components 2802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 2814 comprises one or more transducer, for providing the state estimation of various aspects for device 2800.Such as, sensor cluster 2814 can detect the opening/closing state of equipment 2800, the relative positioning of assembly, such as described assembly is display and the keypad of device 2800, the position of all right checkout gear 2800 of sensor cluster 2814 or device 2800 assemblies changes, the presence or absence that user contacts with device 2800, the variations in temperature of device 2800 orientation or acceleration/deceleration and device 2800.Sensor cluster 2814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 2814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 2814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 2816 is configured to the communication being convenient to wired or wireless mode between device 2800 and other equipment.Device 2800 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 2816 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 2816 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 2800 can be realized, for performing the said method of end side by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 2804 of instruction, above-mentioned instruction can perform said method by the processor 2820 of device 2800.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
Those skilled in the art, at consideration specification and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by appended claim.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (9)
1. a headset control method, is characterized in that, described method is used for terminal equipment, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate;
Described method comprises:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
2. method according to claim 1, is characterized in that, described specified requirements is:
Broadcast receiver on described terminal equipment is activated.
3. method according to claim 1, is characterized in that, described inductance also connects a physical switch;
Described described inductance is set to short-circuit mode, comprises:
Closed described physical switch, to make described inductance short circuit;
Described described inductance is set to non-shorting pattern, comprises:
Disconnect described physical switch, depart from short circuit to make described inductance.
4. an earphone control device, is characterized in that, described device is used for terminal equipment, goes here and there inductance between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate;
Described device comprises:
Judge module, for judging whether described terminal equipment meets specified requirements, and notifies earphone circuit handover module by judged result;
Earphone circuit handover module, for when described terminal equipment is less than toe fixed condition, is set to short-circuit mode by described inductance, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate; When described terminal equipment meets specified requirements, described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
5. device according to claim 4, is characterized in that, described specified requirements is:
Broadcast receiver on described terminal equipment is activated.
6. device according to claim 4, is characterized in that, described inductance also connects a physical switch;
Described earphone circuit handover module when described inductance is set to short-circuit mode, for:
Closed described physical switch, to make described inductance short circuit;
Described earphone circuit handover module when described inductance is set to non-shorting pattern, for:
Disconnect described physical switch, depart from short circuit to make described inductance.
7. an earphone control device, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Judge whether described terminal equipment meets specified requirements;
If described terminal equipment is less than toe fixed condition, then described inductance is set to short-circuit mode, with the ground wire making the ground wire of described earphone interface directly connect described terminal device circuitry plate;
If described terminal equipment meets specified requirements, then described inductance is set to non-shorting pattern, connects the ground wire of described terminal device circuitry plate to make the ground wire of described earphone interface through described inductance.
8. a terminal equipment, it is characterized in that, inductance is gone here and there between the ground wire of described terminal equipment earphone interface and the ground wire of terminal device circuitry plate, described inductance also connects a physical switch, described physical switch is closed or disconnection according to control command, is correspondingly shorted to make described inductance or departs from short circuit.
9. a terminal equipment, it is characterized in that, described terminal equipment possesses two earphone interfaces, goes here and there inductance between the ground wire of one of them earphone interface and the ground wire of terminal device circuitry plate, and the ground wire of another one earphone interface directly connects the ground wire of described terminal device circuitry plate.
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| CN201510069568.3A CN104683903A (en) | 2015-02-10 | 2015-02-10 | Earphone control method and device |
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| CN201510069568.3A CN104683903A (en) | 2015-02-10 | 2015-02-10 | Earphone control method and device |
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| WO2018166271A1 (en) * | 2017-03-17 | 2018-09-20 | 中兴通讯股份有限公司 | Fm earphone jack circuit, audio terminal and control method therefor |
| WO2020010943A1 (en) * | 2018-07-12 | 2020-01-16 | 中兴通讯股份有限公司 | Audio processing apparatus, audio crosstalk processing method and apparatus |
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