CN103986999A - Method, device and terminal equipment for detecting earphone impedance - Google Patents
Method, device and terminal equipment for detecting earphone impedance Download PDFInfo
- Publication number
- CN103986999A CN103986999A CN201410147103.0A CN201410147103A CN103986999A CN 103986999 A CN103986999 A CN 103986999A CN 201410147103 A CN201410147103 A CN 201410147103A CN 103986999 A CN103986999 A CN 103986999A
- Authority
- CN
- China
- Prior art keywords
- earphone
- impedance
- terminal equipment
- telecommunication
- gain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Telephone Function (AREA)
Abstract
The invention relates to a method, a device and terminal equipment for detecting earphone impedance. The method comprises the steps of giving out alternating current single frequency electric signals after the fact that an earphone is inserted into the terminal equipment is detected, wherein the intersection set of the frequency range of the alternating current single frequency electric signals and the frequency range of sound capable of being heard by human ears is a null set; the earphone impedance is calculated according to a differential voltage principle. According to the scheme, pop noise generated when the alternating current single frequency electric signals are given out cannot be heard by a user, pop noise capable of being heard by the user generated in related technologies is avoided, and therefore user experience is improved.
Description
Technical field
The present invention relates to earphone technical field, relate in particular to a kind of method, device and terminal equipment of Test earphone impedance.
Background technology
Earphone is conventionally used in conjunction with mobile phone, panel computer, computer etc. terminal equipment, and along with popularizing of terminal equipment, the application of earphone is also more and more extensive.Generally, earphone impedance is between 8-600 ohm, and earphone impedance is higher, and the earphone gain needing is larger; Otherwise earphone impedance is lower, the earphone gain needing is less.Therefore, accurately Test earphone impedance is the prerequisite of accurately adjusting earphone gain.
At present, the method for Test earphone impedance is as follows: terminal equipment has detected after earphone insertion, sends the high direct voltage signal of telecommunication, then utilizes the impedance of voltage divider principle Test earphone.The method can produce explosion (pop) noise when sending the high direct voltage signal of telecommunication, and then affects user's experience.
Summary of the invention
For overcoming the problem existing in correlation technique, the disclosure provides a kind of method, device and terminal equipment of Test earphone impedance.
According to the first aspect of disclosure embodiment, a kind of method of Test earphone impedance is provided, comprising:
Earphone detected and inserted after terminal equipment, sent and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
According to voltage divider principle, calculate earphone impedance.
In conjunction with first aspect, in the possible implementation of the first of first aspect, described in send the step that exchanges the single-frequency signal of telecommunication and comprise:
Search and play the audio file that comprises the described interchange single-frequency signal of telecommunication.
In conjunction with first aspect, in the possible implementation of the second of first aspect, the described step according to voltage divider principle calculating earphone impedance comprises:
Obtain the magnitude of voltage at described earphone two ends and pass through the current value of described earphone;
Calculate the magnitude of voltage and the ratio that passes through the current value of described earphone at described earphone two ends, using described ratio as described earphone impedance.
In conjunction with the possible implementation of the second of the possible implementation of the first of first aspect, first aspect or first aspect, in the third possible implementation of first aspect, described method also comprises:
Obtain the earphone gain that described earphone impedance is corresponding;
According to described earphone gain, adjust the power output of described terminal equipment.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, described in obtain the earphone gain that described earphone impedance is corresponding step comprise:
Obtain default earphone impedance scope and the mapping table of earphone gain;
Determine the earphone impedance scope at described earphone impedance place, from described mapping table, obtain earphone gain corresponding to described earphone impedance scope.
According to the second aspect of disclosure embodiment, a kind of device of Test earphone impedance is provided, comprising:
Whether detection module, for detection of having earphone to insert terminal equipment;
Send module, for earphone having been detected at described detection module, insert after described terminal equipment, send and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
Computing module, for calculating earphone impedance according to voltage divider principle.
In conjunction with second aspect, in the possible implementation of the first of second aspect, described in send module and comprise:
Search unit, for searching the audio file that comprises the described interchange single-frequency signal of telecommunication;
Broadcast unit, for playing described audio file.
In conjunction with second aspect, in the possible implementation of the second of second aspect, described computing module comprises:
The first acquiring unit, for obtaining the magnitude of voltage at described earphone two ends and passing through the current value of described earphone;
Computing unit, for calculating the magnitude of voltage and the ratio that passes through the current value of described earphone at described earphone two ends, using described ratio as described earphone impedance.
In conjunction with the possible implementation of the second of the possible implementation of the first of second aspect, second aspect or second aspect, in the third possible implementation of second aspect, described device also comprises:
Acquisition module, for obtaining the earphone gain that described earphone impedance is corresponding;
Adjusting module, for adjusting the power output of described terminal equipment according to described earphone gain.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, described acquisition module comprises:
Second acquisition unit, for obtaining default earphone impedance scope and the mapping table of earphone gain;
Determining unit, for determining the earphone impedance scope at described earphone impedance place;
The 3rd acquiring unit, for obtaining earphone gain corresponding to described earphone impedance scope from described mapping table.
According to the third aspect of disclosure embodiment, a kind of terminal equipment is provided, comprising:
Processor;
Memory for storage of processor executable instruction;
Wherein, described processor is configured to:
Earphone detected and insert after terminal equipment, send and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
According to voltage divider principle, calculate earphone impedance.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: after earphone insertion terminal equipment having been detected, send and exchange the single-frequency signal of telecommunication, according to voltage divider principle, calculate earphone impedance, owing to exchanging the frequency range of the single-frequency signal of telecommunication and the common factor of the audio frequency range that people's ear can be heard is empty set, the pop noise producing when sending the interchange single-frequency signal of telecommunication can not heard by user, the pop noise that the user who has avoided producing in correlation technique can hear, thus user's experience promoted.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in specification and forms the part of this specification, shows embodiment according to the invention, and is used from and explains principle of the present invention with specification one.
Fig. 1 is according to the flow chart of the method for a kind of Test earphone impedance shown in an exemplary embodiment.
Fig. 2 is according to the flow chart of the method for the another kind of Test earphone impedance shown in an exemplary embodiment.
Fig. 3 is according to the schematic diagram of the device of a kind of Test earphone impedance shown in an exemplary embodiment.
Fig. 4 is according to the schematic diagram of the device of the another kind of Test earphone impedance shown in an exemplary embodiment.
Fig. 5 is according to the block diagram of a kind of terminal equipment shown in an exemplary embodiment.
Embodiment
Here will at length to exemplary embodiment, describe, its example shown in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings 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 are only the examples with apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
Fig. 1 is according to the flow chart of the method for a kind of Test earphone impedance shown in an exemplary embodiment, and as shown in Figure 1, the method for Test earphone impedance, for terminal equipment, comprises the following steps.
In step S11, earphone detected and inserted after terminal equipment, send and exchange the single-frequency signal of telecommunication.
Terminal equipment generally can be used in conjunction with earphone, when earphone having been detected, insert after terminal equipment, can send and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the interchange single-frequency signal of telecommunication and people's ear can be heard is empty set, so just can guarantee, when sending the interchange single-frequency signal of telecommunication, can not send the pop noise that people's ear can be heard.
In step S12, according to voltage divider principle, calculate earphone impedance.
Disclosure embodiment is after earphone insertion terminal equipment having been detected, send and exchange the single-frequency signal of telecommunication, according to voltage divider principle, calculate earphone impedance, owing to exchanging the frequency range of the single-frequency signal of telecommunication and the common factor of the audio frequency range that people's ear can be heard is empty set, the pop noise producing when sending the interchange single-frequency signal of telecommunication can not heard by user, the pop noise that the user who has avoided producing in correlation technique can hear, thus user's experience promoted.
Further, the step that sending the interchange single-frequency signal of telecommunication in above-mentioned S11 comprises:
Search and play the audio file that comprises the interchange single-frequency signal of telecommunication.
Can in terminal equipment, store and comprise the audio file that exchanges the single-frequency signal of telecommunication in advance, after earphone insertion terminal equipment having been detected, search and play this audio file.
Further, the step according to voltage divider principle calculating earphone impedance in above-mentioned steps S12 comprises:
Obtain the magnitude of voltage at earphone two ends and by the current value of earphone;
Calculate the magnitude of voltage and the ratio that passes through the current value of earphone at earphone two ends, using ratio as earphone impedance.
The magnitude of voltage of supposing the earphone two ends that get is U, the current value by earphone is I, earphone impedance R=U/I.For example, the U=20 volt getting, I=0.5 peace, earphone impedance R=U/I=20/0.5=100 ohm.
Further, as shown in Figure 2, the method for above-mentioned Test earphone impedance also comprises:
In step S13, obtain the earphone gain that earphone impedance is corresponding.
In step S14, according to earphone gain, adjust the power output of terminal equipment.
At present, earphone gain is set to two grades conventionally: high-gain and low gain, and the mode of this set earphone gain is meticulous not, when high-gain is greater than required earphone gain, easily causes earphone damage; When low gain is less than required earphone gain, earphone broadcast sound volume is too small, affects user and experiences.
In disclosure embodiment, can obtain suitable earphone gain according to earphone impedance, and then according to earphone gain, adjust the power output of terminal equipment, thereby guarantee that the volume of earphone broadcasting is moderate, improve user and experience.
Further, the step of obtaining the earphone gain that earphone impedance is corresponding in step S13 comprises:
Obtain default earphone impedance scope and the mapping table of earphone gain;
Determine the earphone impedance scope at earphone impedance place, from mapping table, obtain earphone gain corresponding to earphone impedance scope.
At present, earphone impedance, between 8-600 ohm, can be divided into some earphone impedance scopes, then for each earphone impedance scope, configures suitable earphone gain.For example, be divided into 9 earphone impedance scopes: below 8 ohm, 8-16 ohm, 16-32 ohm, 32-50 ohm, 50-63 ohm, 63-100 ohm, 100-300 ohm, 300-600 ohm, more than 600 ohm, then for each earphone impedance scope, configure suitable earphone gain, each earphone impedance scope and corresponding earphone gain are kept in the mapping table of earphone impedance scope and earphone gain, after earphone impedance being detected, first determine the earphone impedance scope at this earphone impedance place, then in this mapping table, search corresponding earphone gain.
For example, if earphone impedance detected, be 60 ohm, can determine that this earphone impedance is within the scope of this earphone impedance of 50-63 ohm, earphone gain corresponding to this earphone impedance scope is required earphone gain.
Certainly, earphone impedance scope can arrange according to actual needs, for example, can be set to 3,4,5,7,10 etc. earphone impedance scopes.
Fig. 3 is according to the device schematic diagram of a kind of Test earphone impedance shown in an exemplary embodiment.With reference to Fig. 3, this device comprises detection module 31, sends module 32 and computing module 33.
Whether this detection module 31 is configured to detect has earphone to insert terminal equipment.
This sends module 32 and is configured to detect after earphone insertion terminal equipment at detection module, sends and exchanges the single-frequency signal of telecommunication, and the common factor of the audio frequency range that the frequency range of the interchange single-frequency signal of telecommunication and people's ear can be heard is empty set.
This computing module 33 is configured to calculate earphone impedance according to voltage divider principle.
Further, this sends module 31 and comprises and search unit and broadcast unit:
This is searched unit and is configured to search the audio file that comprises the interchange single-frequency signal of telecommunication.
This broadcast unit is configured to for displaying audio file.
Further, computing module 33 comprises the first acquiring unit and computing unit:
This first acquiring unit is configured to for obtaining the magnitude of voltage at earphone two ends and by the current value of earphone.
This computing unit is configured to calculate the magnitude of voltage and the ratio that passes through the current value of earphone at earphone two ends, using ratio as earphone impedance.
Further, as shown in Figure 4, the device of above-mentioned Test earphone impedance also comprises acquisition module 34 and adjusting module 35:
This acquisition module 34 is configured to obtain the earphone gain that earphone impedance is corresponding.
This adjusting module 35 is configured to adjust according to earphone gain the power output of terminal equipment.
Further, acquisition module 34 comprises second acquisition unit, determining unit and the 3rd acquiring unit:
This second acquisition unit is configured to obtain default earphone impedance scope and the mapping table of earphone gain.
This determining unit is configured to determine the earphone impedance scope at earphone impedance place;
The 3rd acquiring unit is configured to obtain earphone gain corresponding to earphone impedance scope from mapping table.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment of relevant the method, will not elaborate explanation herein.
Fig. 5 is according to the block diagram of a kind of terminal equipment 800 for detection of earphone impedance shown in an exemplary embodiment.For example, terminal equipment 800 can be mobile phone, computer, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 5, terminal equipment 800 can comprise following one or more assembly: processing components 802, memory 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor cluster 814, and communications component 816.
The integrated operation of processing components 802 common control terminals 800, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Processing components 802 can comprise that one or more processors 820 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more modules, is convenient to mutual between processing components 802 and other assemblies.For example, processing components 802 can comprise multi-media module, to facilitate mutual between multimedia groupware 808 and processing components 802.
Memory 804 is configured to store various types of data to be supported in the operation of terminal equipment 800.The example of these data comprises for any application program of operation on terminal equipment 800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 804 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 806 is terminal equipment 800 provide electric power.Power supply module 806 can comprise power-supply management system, one or more power supplys, and other and the assembly that generates, manages and distribute electric power to be associated for terminal equipment 800.
Multimedia groupware 808 is included in the screen that an output interface is provided between described terminal equipment 800 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 that one or more touch sensors are with the gesture on sensing touch, slip and touch panel.Described touch sensor is the border of sensing touch or sliding action not only, but also detects duration and the pressure relevant to described touch or slide.In certain embodiments, multimedia groupware 808 comprises a front-facing camera and/or post-positioned pick-up head.When terminal equipment 800 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 810 is configured to output and/or input audio signal.For example, audio-frequency assembly 810 comprises a microphone (MIC), and when terminal equipment 800 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 receiving can be further stored in memory 804 or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loud speaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 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 814 comprises one or more transducers, is used to terminal equipment 800 that the state estimation of various aspects is provided.For example, sensor cluster 814 can detect the opening/closing state of terminal equipment 800, the relative positioning of assembly, for example described assembly is display and the keypad of terminal equipment 800, the position of all right sense terminals equipment 800 of sensor cluster 814 or 800 1 assemblies of terminal equipment changes, the existence that user contacts with terminal equipment 800 or do not have the variations in temperature of terminal equipment 800 orientation or acceleration/deceleration and terminal equipment 800.Sensor cluster 814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 816 is configured to be convenient to the communication of wired or wireless mode between terminal equipment 800 and other equipment.Terminal equipment 800 can access the wireless network based on communication standard, as WiFi, and 2G or 3G, or their combination.In one exemplary embodiment, communications component 816 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.In one exemplary embodiment, described communications component 816 also comprises near-field communication (NFC) module, to promote junction service.For example, can be 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, terminal equipment 800 can be realized by one or more application specific integrated circuits (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, for carrying out said method.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the memory 804 of instruction, above-mentioned instruction can have been carried out said method by the processor 820 of terminal equipment 800.For example, described non-provisional computer-readable recording medium can be ROM, random-access memory (ram), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A non-provisional computer-readable recording medium, when the instruction in described storage medium is carried out by the processor of terminal equipment, makes terminal equipment can carry out a kind of method of Test earphone impedance, and described method comprises:
Earphone detected and inserted after terminal equipment, sent and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
According to voltage divider principle, calculate earphone impedance.
Those skilled in the art, considering specification and putting into practice after 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 undocumented common practise or the conventional techniques means in the art of the disclosure.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
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 modifications and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (11)
1. a method for Test earphone impedance, is characterized in that, comprising:
Earphone detected and inserted after terminal equipment, sent and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
According to voltage divider principle, calculate earphone impedance.
2. method according to claim 1, is characterized in that, described in send the step that exchanges the single-frequency signal of telecommunication and comprise:
Search and play the audio file that comprises the described interchange single-frequency signal of telecommunication.
3. method according to claim 1, is characterized in that, the described step according to voltage divider principle calculating earphone impedance comprises:
Obtain the magnitude of voltage at described earphone two ends and pass through the current value of described earphone;
Calculate the magnitude of voltage and the ratio that passes through the current value of described earphone at described earphone two ends, using described ratio as described earphone impedance.
4. according to the arbitrary described method of claim 1-3, it is characterized in that, described method also comprises:
Obtain the earphone gain that described earphone impedance is corresponding;
According to described earphone gain, adjust the power output of described terminal equipment.
5. method according to claim 4, is characterized in that, described in obtain the earphone gain that described earphone impedance is corresponding step comprise:
Obtain default earphone impedance scope and the mapping table of earphone gain;
Determine the earphone impedance scope at described earphone impedance place, from described mapping table, obtain earphone gain corresponding to described earphone impedance scope.
6. a device for Test earphone impedance, is characterized in that, comprising:
Whether detection module, for detection of having earphone to insert terminal equipment;
Send module, for earphone having been detected at described detection module, insert after described terminal equipment, send and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
Computing module, for calculating earphone impedance according to voltage divider principle.
7. device according to claim 6, is characterized in that, described in send module and comprise:
Search unit, for searching the audio file that comprises the described interchange single-frequency signal of telecommunication;
Broadcast unit, for playing described audio file.
8. device according to claim 6, is characterized in that, described computing module comprises:
The first acquiring unit, for obtaining the magnitude of voltage at described earphone two ends and passing through the current value of described earphone;
Computing unit, for calculating the magnitude of voltage and the ratio that passes through the current value of described earphone at described earphone two ends, using described ratio as described earphone impedance.
9. according to the arbitrary described device of claim 6-8, it is characterized in that, described device also comprises:
Acquisition module, for obtaining the earphone gain that described earphone impedance is corresponding;
Adjusting module, for adjusting the power output of described terminal equipment according to described earphone gain.
10. device according to claim 9, is characterized in that, described acquisition module comprises:
Second acquisition unit, for obtaining default earphone impedance scope and the mapping table of earphone gain;
Determining unit, for determining the earphone impedance scope at described earphone impedance place;
The 3rd acquiring unit, for obtaining earphone gain corresponding to described earphone impedance scope from described mapping table.
11. 1 kinds of terminal equipments, is characterized in that, comprising:
Processor;
Memory for storage of processor executable instruction;
Wherein, described processor is configured to:
Earphone detected and insert after terminal equipment, send and exchange the single-frequency signal of telecommunication, the common factor of the audio frequency range that the frequency range of the described interchange single-frequency signal of telecommunication and people's ear can be heard is empty set;
According to voltage divider principle, calculate earphone impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147103.0A CN103986999B (en) | 2014-04-14 | 2014-04-14 | A kind of method, apparatus and terminal device of test earphone impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147103.0A CN103986999B (en) | 2014-04-14 | 2014-04-14 | A kind of method, apparatus and terminal device of test earphone impedance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103986999A true CN103986999A (en) | 2014-08-13 |
| CN103986999B CN103986999B (en) | 2018-11-30 |
Family
ID=51278804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147103.0A Active CN103986999B (en) | 2014-04-14 | 2014-04-14 | A kind of method, apparatus and terminal device of test earphone impedance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103986999B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461568A (en) * | 2014-12-25 | 2015-03-25 | 小米科技有限责任公司 | Electronic accessory recognition device and method |
| CN104936099A (en) * | 2015-06-30 | 2015-09-23 | 小米科技有限责任公司 | Method and device for recognizing loudspeaker |
| CN105530567A (en) * | 2015-12-23 | 2016-04-27 | 联想(北京)有限公司 | Output control method, control apparatus and electronic device |
| CN105700613A (en) * | 2016-02-14 | 2016-06-22 | 惠州Tcl移动通信有限公司 | Output power adjusting device and method of mobile terminal |
| CN106093574A (en) * | 2016-05-30 | 2016-11-09 | 歌尔股份有限公司 | A kind of impedance detection device of headset plug |
| CN106162484A (en) * | 2015-04-16 | 2016-11-23 | 展讯通信（上海）有限公司 | A kind of earphone impedance detecting system, method and portable electric appts |
| CN106383288A (en) * | 2016-08-25 | 2017-02-08 | 歌尔股份有限公司 | Test equipment for USB interface earphone |
| CN108064002A (en) * | 2017-12-11 | 2018-05-22 | 广州捷宝电子科技股份有限公司 | Device and method based on impedance adjustment output driving |
| CN109286869A (en) * | 2017-07-19 | 2019-01-29 | 天津三星通信技术研究有限公司 | Audio method of adjustment and equipment suitable for earphone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719946A (en) * | 2005-06-29 | 2006-01-11 | 比特联创电子（北京）有限公司 | Passive electroacoustic apparatus and its playback method |
| CN102857228A (en) * | 2011-06-30 | 2013-01-02 | 富泰华工业（深圳）有限公司 | Electronic equipment and audio output control method thereof |
| EP2637421A2 (en) * | 2012-03-08 | 2013-09-11 | Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd. | Earphone jack drive circuit |
| CN103546852A (en) * | 2012-07-09 | 2014-01-29 | 马克西姆综合产品公司 | System and method for optimized playback of audio signals through headphones |
-
2014
- 2014-04-14 CN CN201410147103.0A patent/CN103986999B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719946A (en) * | 2005-06-29 | 2006-01-11 | 比特联创电子（北京）有限公司 | Passive electroacoustic apparatus and its playback method |
| CN102857228A (en) * | 2011-06-30 | 2013-01-02 | 富泰华工业（深圳）有限公司 | Electronic equipment and audio output control method thereof |
| EP2637421A2 (en) * | 2012-03-08 | 2013-09-11 | Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd. | Earphone jack drive circuit |
| CN103546852A (en) * | 2012-07-09 | 2014-01-29 | 马克西姆综合产品公司 | System and method for optimized playback of audio signals through headphones |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461568A (en) * | 2014-12-25 | 2015-03-25 | 小米科技有限责任公司 | Electronic accessory recognition device and method |
| CN106162484A (en) * | 2015-04-16 | 2016-11-23 | 展讯通信（上海）有限公司 | A kind of earphone impedance detecting system, method and portable electric appts |
| CN104936099A (en) * | 2015-06-30 | 2015-09-23 | 小米科技有限责任公司 | Method and device for recognizing loudspeaker |
| CN105530567A (en) * | 2015-12-23 | 2016-04-27 | 联想(北京)有限公司 | Output control method, control apparatus and electronic device |
| CN105700613A (en) * | 2016-02-14 | 2016-06-22 | 惠州Tcl移动通信有限公司 | Output power adjusting device and method of mobile terminal |
| CN105700613B (en) * | 2016-02-14 | 2017-12-12 | 惠州Tcl移动通信有限公司 | The output power adjusting device and its method of a kind of mobile terminal |
| CN106093574B (en) * | 2016-05-30 | 2018-07-03 | 歌尔股份有限公司 | A kind of impedance detection device of headset plug |
| CN106093574A (en) * | 2016-05-30 | 2016-11-09 | 歌尔股份有限公司 | A kind of impedance detection device of headset plug |
| WO2017206482A1 (en) * | 2016-05-30 | 2017-12-07 | 歌尔股份有限公司 | Impedance detection apparatus for headset plug |
| US10823773B2 (en) | 2016-05-30 | 2020-11-03 | Goertek Inc. | Impedance detection apparatus for earphone plug |
| CN106383288A (en) * | 2016-08-25 | 2017-02-08 | 歌尔股份有限公司 | Test equipment for USB interface earphone |
| CN109286869A (en) * | 2017-07-19 | 2019-01-29 | 天津三星通信技术研究有限公司 | Audio method of adjustment and equipment suitable for earphone |
| CN108064002A (en) * | 2017-12-11 | 2018-05-22 | 广州捷宝电子科技股份有限公司 | Device and method based on impedance adjustment output driving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103986999B (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103986999A (en) | Method, device and terminal equipment for detecting earphone impedance | |
| CN105262452A (en) | Method and apparatus for adjusting volume, and terminal | |
| CN105451111A (en) | Earphone play control method and apparatus and terminal | |
| CN104065836A (en) | Method and device for monitoring calls | |
| CN104281432A (en) | Method and device for regulating sound effect | |
| CN103957103A (en) | Safety authentication method and device and mobile terminal | |
| CN104159139A (en) | Method and device of multimedia synchronization | |
| CN105406828A (en) | Sound equipment adjustment method and device | |
| CN103916692A (en) | Video playing method and device and playing terminal | |
| CN104486451A (en) | Application program recommendation method and device | |
| CN105530384A (en) | Method and device for power reminding based on alarm clock | |
| CN104378715A (en) | Device and method for lowering earphone POP sound | |
| CN105406882A (en) | Terminal equipment control method and device | |
| CN104461568A (en) | Electronic accessory recognition device and method | |
| CN104010072A (en) | Electric quantity prompt method and device | |
| CN105117899A (en) | Reminding method and apparatus | |
| CN104394247A (en) | Power supply circuit and electronic equipment | |
| CN104935729A (en) | Audio output method and device | |
| CN104702756A (en) | Detecting method and detecting device for soundless call | |
| CN106303896A (en) | The method and apparatus playing audio frequency | |
| CN104159283A (en) | Method and device for controlling message transmission | |
| CN105472132A (en) | Contact management method and contact management device | |
| CN104503762A (en) | Device and method for identifying electronic accessory | |
| CN104836721A (en) | Group session message reminding method and group session message reminding device | |
| CN104640062A (en) | Method and device for transmitting information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |