CN107580280A - Charging and audio control method, equipment and storage medium - Google Patents
Charging and audio control method, equipment and storage medium Download PDFInfo
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- CN107580280A CN107580280A CN201710903732.5A CN201710903732A CN107580280A CN 107580280 A CN107580280 A CN 107580280A CN 201710903732 A CN201710903732 A CN 201710903732A CN 107580280 A CN107580280 A CN 107580280A
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Abstract
The invention discloses one kind charging and audio control method, equipment and storage medium, this method to include：Detect first interface and insert external part；Perform the function of the external part of first interface；Detect second interface and insert external part；Suspend the function of the external part of first interface；Identify the type and parameter of the external part of second interface；Recover the function of the external part of first interface, and perform the function of the external part of second interface.Charging and audio control method, the equipment and storage medium of the present invention, realize switched between control audio signal and charging signals and while perform, can quick charge, and can realize audio broadcasting, greatly improve Consumer's Experience.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of charging and audio control method, equipment and storage medium.
Background technology
The end products such as present smart mobile phone use USB Type-C interfaces more, can be according to type-c agreements simultaneously
Audio accessory Audio Adapter etc. are supported, thus save 3.5mm earphone interface.Accordingly, need not be reserved on mainboard
The position of earphone base, saves PCB space, from the overall appearance of mobile phone, also without earpiece holes, makes mobile phone overall more whole
It is clean attractive in appearance.
The mobile terminal device of current Type-c interfaces is to support audio accessory, it is necessary to patchcord accessory of arranging in pairs or groups, ability
Use.The patchcord of audio earphone is only supported in common patchcord, i.e. user inserts this patchcord and cannot inserted again with during earphone
Charger.If now mobile phone electricity is relatively low, in order to avoid the low shutdown of electricity, user has to pull out earphone patchcord and go to fill
Electricity, charging and earphone can not get both, and Consumer's Experience is bad.
The content of the invention
It is a primary object of the present invention to propose a kind of charging and audio control method, equipment and storage medium, it is intended to real
The problem of now charging and audio can not be used synchronously.
To achieve the above object, a kind of charging provided by the invention and audio control method, methods described include following step
Suddenly：
Detect first interface and insert external part；
Perform the function of the external part of the first interface；
Detect second interface and insert external part；
Suspend the function of the external part of the first interface；
Identify the type and parameter of the external part of the second interface；
Recover the function of the external part of the first interface, and perform the function of the external part of the second interface.
Optionally, before the type and parameter of external part of the second interface is identified, methods described also includes：
Output control signals to and enable EN corresponding to the first switching switch and the described second switching switch, to control
State the first switching switch and the described second switching switch switches to the second interface passage from the first interface passage.
Optionally, before the type and parameter of external part of the second interface is identified, methods described also includes：
EN is enabled corresponding to output pwm signal to the described first switching switch and the described second switching switch, to control
State the first switching switch and the described second switching switch switches to the second interface passage from the first interface passage.
In addition, to achieve the above object, the present invention also proposes a kind of charging and voice-operated device, the equipment includes moving
Dynamic terminal and the patchcord with the mobile terminal grafting, the patchcord includes first interface and second interface, for outer
Relay part inserts, and the mobile terminal includes processor, memory, and the processor is used to perform the charging stored in memory
And audio frequency control continues, to realize following steps：
Detect the first interface and insert external part；
Perform the function of the external part of the first interface；
Detect the second interface and insert external part；
Suspend the function of the external part of the first interface；
Identify the type and parameter of the external part of the second interface；
Recover the function of the external part of the first interface, and perform the function of the external part of the second interface.
Optionally, the mobile terminal also includes the first switching switch, and the patchcord also includes the second switching and switched, institute
State the first switching switch and be provided with the first enabled EN, the second switching switch is provided with the second enabled EN, the described first enabled EN and
Described second enabled EN is used for the switching for controlling audio signal and charging signals.
Optionally, the processor is additionally operable to perform the charging that stores and audio frequency control in memory and continued, with realize with
Lower step：
Output control signals to and enable EN corresponding to the first switching switch and the described second switching switch, to control
State the first switching switch and the described second switching switch switches to the second interface passage from the first interface passage.
Optionally, the processor is additionally operable to perform the charging that stores and audio frequency control in memory and continued, with realize with
Lower step：
EN is enabled corresponding to output pwm signal to the described first switching switch and the described second switching switch, to control
State the first switching switch and the described second switching switch switches to the second interface passage from the first interface passage.
Optionally, the mobile terminal includes Type-c sockets, and the patchcord includes Type-c plugs, the Type-c
Plug matches with the Type-c sockets.
Optionally, the Type-c sockets have D+, D-, VBUS, EN and GND pin, corresponding, the Type-c plugs
With D+, D-, VBUS, EN and GND pin being connected with Type-c sockets.
In addition, to achieve the above object, the present invention also proposes a kind of computer-readable recording medium, described computer-readable
Storage medium is stored with one or more program, and one or more of programs can be held by one or more processor
OK, to realize above-mentioned method.
Charging proposed by the present invention and audio control method, equipment and storage medium, it is outer by detecting first interface insertion
Relay part, then detect second interface and insert external part, and suspend the function of the external part of first interface, identifying described the
When the type and parameter of the external part of two interfaces, recover the function of the external part of first interface, and perform second interface
The function of external part, realize control audio signal and charging signals between switch over and while perform, can quickly fill
Electricity, and can realize that audio plays, and greatly improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the structural representation of the charging that the application preferred embodiment provides and voice-operated device；
Fig. 2 is the hardware architecture diagram of the charging that the application preferred embodiment provides and voice-operated device；
Fig. 3 is the schematic flow sheet of the charging that the application preferred embodiment provides and audio control method.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figure 1, present pre-ferred embodiments provide the structural representation of a kind of charging and voice-operated device.Scheming
In 1, charging and voice-operated device include mobile terminal 100 and the patchcord 200 with the grafting of mobile terminal 100.It is mobile whole
End 100 is provided with Type-c sockets 10.Patchcord 200 is provided with Type-c plugs 20, earphone interface 30 and charger interface 40, its
In, Type-c plugs 20 and Type-c sockets 10 match, and earphone interface 30 and charger interface 40 and Type-c plugs 20 connect
Connect.Earphone interface 30 is used to insert for earphone, and charger interface 40 is used to insert for charger.As the Type-c of patchcord 200
When plug 20 inserts the Type-c sockets 10 of mobile terminal 100, it can realize simultaneously in the peripheral earphone of earphone interface 30, and charge
The external charger of device interface 40, while enabling earphone normal use, movement can both be saved with criterion of identification charger
The inner space of terminal 100, also improves Consumer's Experience.
The mobile terminal of the present embodiment can be implemented in a variety of manners.For example, such as mobile phone, flat board electricity can be included
Brain, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable matchmaker
Body player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer etc. are mobile
Terminal.
Further, earphone interface 30 is 3.5mm earphone interfaces.
Further, charger interface 40 is Type-c charger interfaces.
Specifically, as shown in Fig. 2 it is charging and the hardware architecture diagram of voice-operated device.In fig. 2, it is mobile whole
End 100 also includes：Processor 101, power supervisor 102, the switching switch parts such as 104 of audio process 103 and first.This
Art personnel are appreciated that the mobile terminal structure shown in Fig. 2 does not form the restriction to mobile terminal, mobile terminal
It can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Mobile terminal 100 and all parts of patchcord 200 are specifically introduced with reference to Fig. 1 and Fig. 2：
Processor 101 is connected with power supervisor 102, audio process 103, and responds the operation of user.In some realities
Apply in example can be central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor,
Or other data processing chips.The processor 101 is generally used for controlling the overall operation of the mobile terminal 100, such as performs
The control related to the progress data interaction of patchcord 200 or communication of mobile terminal 100 and processing etc..It is described in the present embodiment
Processor 101 is used to run the program code stored in the memory 106 or processing data, such as operation charging and audio
Control program etc..
Power supervisor 102 is that battery 105 charges.
The input connection power supervisor 102 of first switching switch 104 and the output end of audio process 103.
One switching switch 104 is provided with pin, enabled EN of the pin as the first switching switch 104.Type-c sockets 10 have five
Pin, it is D+, D-, VBUS, EN and GND respectively.D+, D- of Type-c sockets 10 are connected with the first switching switch 104.Processor
The enabled EN on enabled EN and Type-c sockets on 101 the first switching of connection switches 104.
Further, the first switching switch 104 is single-pole double-throw switch (SPDT), and 104 enabled EN controls are switched by the first switching
Switch between the D+/D- signals of charging and the L channel L of audio, R channel R, realize charging and the switching of audio signal.
Type-c plugs 20 also have five pins, are D+, D-, VBUS, EN and GND respectively, when Type-c plugs 20 are inserted
When entering on Type-c sockets 10, pin D+, D-, VBUS, EN and GND of Type-c plugs 20 respectively with Type-c sockets 10
D+, D-, VBUS, EN and GND contact connection.
Patchcord 200 also includes the second switching and switchs 201.Pin is provided with the second switching switch 201, and the pin is used as the
The enabled EN of two switching switches 201.One end of second switching switch 201 is connected with Type-c plugs 20, and the other end connects with earphone
Mouthfuls 30, charger interface 40 connects, that is to say, that earphone interface 30 and charger interface 40 by the second switching switch 201 with
Type-c plugs 20 connect.
Further, the second switching switch 201 is single-pole double-throw switch (SPDT), and 201 enabled EN controls are switched by the second switching
Make and switch between the D+/D- signals of charging and the D+/D- signals and L channel L, R channel R of audio, realize charging and audio letter
Number switching.
The memory 106 comprises at least a type of readable storage medium storing program for executing, the readable storage medium storing program for executing include flash memory,
Hard disk, multimedia card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random are visited
Ask memory (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read-only deposit
Reservoir (PROM), magnetic storage, disk, CD etc..In certain embodiments, the memory 106 can be the movement
The internal storage unit of terminal 100, such as the hard disk or internal memory of mobile terminal 100.In further embodiments, the memory
106 can be the plug-in type hard disk being equipped with the External memory equipment of the mobile terminal 100, such as the mobile terminal 100, intelligence
Energy storage card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash
Card) etc..Certainly, the memory 106 can also both include the internal storage unit of the mobile terminal 100 or including outside it
Portion's storage device.In the present embodiment, the memory 106 is generally used for the operation system that storage is installed on the mobile terminal 100
System and types of applications software, such as program code of the charging and audio frequency control program etc..In addition, the memory 106 is also
It can be used for temporarily storing the Various types of data that has exported or will export.
Based on the structure and application environment of above-mentioned mobile terminal 100, the charging and audio frequency control program are including a series of
The computer program instructions being stored on memory 106, processor 101 be used to performing the charging that is stored in memory 106 and
Audio frequency control program, to realize following steps：
Detect first interface and insert external part；
Perform the function of the external part of the first interface；
Detect second interface and insert external part；
Suspend the function of the external part of the first interface；
Identify the type and parameter of the external part of the second interface；
Recover the function of the external part of the first interface, and perform the function of the external part of the second interface.
Specifically, first to insert earphone, rear to insert exemplified by charger, then earphone is the external part of first interface, charging
Device is the external part of second interface.When earphone inserts earphone interface, the first switching switch acquiescence conducting state, and system is pressed
CC logic identifications are to earpiece audio annex, you can realize audio-frequency function, such as play music/earphone and make a phone call function.
When detecting that charger interface inserts charger again, VBUS connections that light source of charger passes through Type-c plugs
Type-c sockets, to provide power supervisor PM, power supervisor informs that processor has by SPMI buses and processor communication
Charger inserts, and processor pause music, while " detects charging in the display interface ejection prompting frame of mobile terminal
Device inserts, and plays pause ", when receiving the confirmation operation of user, suspend audio-frequency function.Identifying the external part of second interface
After type and parameter, the display interface of mobile terminal ejects prompting frame " charger identification is completed, if continues to play " again,
The confirmation operation of user is received, then recovers audio-frequency function.Using this method, mobile terminal to the identification process of charger quickly,
It is Millisecond, that is, it is Millisecond to play time out, will not also allow user to think that time out is long and influences Consumer's Experience.
Optionally, processor 101 is additionally operable to perform the image forming program of the dual camera stored in memory 106, to realize
Following steps：
Output control signals to and enable EN corresponding to the first switching switch and the second switching switch, to control described first to cut
Change switch and the described second switching switch switches to second interface passage from first interface passage.
Specifically, processor output control signal, is respectively connecting to corresponding to the first switching switch and the second switching switch
Enabled EN, the D+/D- signalling channels of charging are switched to from voice-grade channel with the switching of control first switch and the second switching switch, and
Communicated with charger, so as to correctly recognize the type of charger, be reconfigured at corresponding charge parameter, realize that BC1.2 fills
Electricity, maximize charge efficiency, charging rate is very fast.
Optionally, processor 101 is additionally operable to perform the image forming program of the dual camera stored in memory 106, to realize
Following steps：
EN is enabled corresponding to output pwm signal to the first switching switch and the second switching switch, with step 520, controls institute
State the first switching switch and the described second switching switch switches to second interface passage from first interface passage.
Specifically, the PWM signal frequency of processor output is in hundred Khz levels (being more than audiorange 20hz-20KHz), can
Rapidly the switching of triggering first, which switchs to switch with second, enables EN closing audio switch corresponding to switch, in the D+/D- passages that charge
Quickly ceaselessly switch between voice-grade channel, and processor communication real-time equivalent to the D+/D- of charging, to identify QC2.0.Separately
Outside, because switching frequency is very fast, outside the differentiable 20hz-20Khz scopes of human ear, so to audio on the subjective experience of user
It there will not be influence.Meanwhile voice-grade channel can also be connected in real time, and then realize audio and QC2.0 quick charges.
The charging and voice-operated device that the embodiment of the present application provides, switched by the first switching in mobile terminal 100
104 and patchcord 200 on second switching switch 201 control audio signals and charging signals between switching and realize simultaneously,
Can quick charge, and can realize that audio plays, greatly improve Consumer's Experience.
As shown in figure 3, provide a kind of charging and the flow signal of audio control method for another preferred embodiment of the application
Figure.In figure 3, the charging and audio control method comprise the following steps：
Step 310, detect the first interface and insert external part；
Step 320, the function of the external part of the first interface is performed；
Step 330, detect second interface and insert external part；
Step 340, the function of the external part of the first interface is suspended；
Step 350, the type and parameter of the external part of the second interface are identified；
Step 360, recover the function of the external part of the first interface, and perform the external part of the second interface
Function.
Specifically, first to insert earphone, rear to insert exemplified by charger, then earphone is the external part of first interface, charging
Device is the external part of second interface.When earphone inserts earphone interface, the first switching switch acquiescence conducting state, and system is pressed
CC logic identifications are to earpiece audio annex, you can realize audio-frequency function, such as play music/earphone and make a phone call function.
When detecting that charger interface inserts charger again, VBUS connections that light source of charger passes through Type-c plugs
Type-c sockets, to provide power supervisor PM, power supervisor informs that processor has by SPMI buses and processor communication
Charger inserts, and processor pause music, while " detects charging in the display interface ejection prompting frame of mobile terminal
Device inserts, and plays pause ", when receiving the confirmation operation of user, suspend audio-frequency function.Identifying the external part of second interface
After type and parameter, the display interface of mobile terminal ejects prompting frame " charger identification is completed, if continues to play " again,
The confirmation operation of user is received, then recovers audio-frequency function.Using this method, mobile terminal to the identification process of charger quickly,
It is Millisecond, that is, it is Millisecond to play time out, will not also allow user to think that time out is long and influences Consumer's Experience.
Further, before step 350, the charging and audio control method are further comprising the steps of：
Output control signals to and enable EN corresponding to the first switching switch and the second switching switch, to control described first to cut
Change switch and the described second switching switch switches to second interface passage from first interface passage.
Specifically, processor output control signal, is respectively connecting to corresponding to the first switching switch and the second switching switch
Enabled EN, the D+/D- signalling channels of charging are switched to from voice-grade channel with the switching of control first switch and the second switching switch, and
Communicated with charger, so as to correctly recognize the type of charger, be reconfigured at corresponding charge parameter, realize that BC1.2 fills
Electricity, maximize charge efficiency, charging rate is very fast.
In other embodiments, before step 350, the charging and audio control method are further comprising the steps of：
EN is enabled corresponding to output pwm signal to the first switching switch and the second switching switch, to control described first to cut
Change switch and the described second switching switch switches to second interface passage from first interface passage.
Specifically, the PWM signal frequency of processor output is in hundred Khz levels (being more than audiorange 20hz-20KHz), can
Rapidly the switching of triggering first, which switchs to switch with second, enables EN closing audio switch corresponding to switch, in the D+/D- passages that charge
Quickly ceaselessly switch between voice-grade channel, and processor communication real-time equivalent to the D+/D- of charging, to identify QC2.0.Separately
Outside, because switching frequency is very fast, outside the differentiable 20hz-20Khz scopes of human ear, so to audio on the subjective experience of user
It there will not be influence.Meanwhile voice-grade channel can also be connected in real time, and then realize audio and QC2.0 quick charges.
The charging and audio control method that the application provides, external part is inserted by detecting first interface, then detect the
Two interfaces insert external part, and suspend the function of the external part of first interface, are identifying the external connection portion of the second interface
When the type and parameter of part, recover the function of the external part of first interface, and perform the function of the external part of second interface,
Realize switched between control audio signal and charging signals and while perform, can quick charge, and can realize audio
Play, greatly improve Consumer's Experience.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element 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 limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present 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.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. one kind charging and audio control method, it is characterised in that the described method comprises the following steps：
Detect first interface and insert external part；
Perform the function of the external part of the first interface；
Detect second interface and insert external part；
Suspend the function of the external part of the first interface；
Identify the type and parameter of the external part of the second interface；
Recover the function of the external part of the first interface, and perform the function of the external part of the second interface.
2. charging according to claim 1 and audio control method, it is characterised in that identifying the outer of the second interface
Before the type and parameter of relay part, methods described also includes：
Output control signals to and enable EN corresponding to the first switching switch and the described second switching switch, to control described the
One switching switch and the described second switching switch switch to the second interface passage from the first interface passage.
3. charging according to claim 1 and audio control method, it is characterised in that identifying the outer of the second interface
Before the type and parameter of relay part, methods described also includes：
EN is enabled corresponding to output pwm signal to the described first switching switch and the described second switching switch, to control described the
One switching switch and the described second switching switch switch to the second interface passage from the first interface passage.
4. one kind charging and voice-operated device, it is characterised in that the equipment is whole including mobile terminal and with the movement
The patchcord of grafting is held, the patchcord includes first interface and second interface, so that external part inserts, the mobile terminal
Including processor, memory, the processor is used to perform the charging stored in memory and audio frequency control continues, with realize with
Lower step：
Detect the first interface and insert external part；
Perform the function of the external part of the first interface；
Detect the second interface and insert external part；
Suspend the function of the external part of the first interface；
Identify the type and parameter of the external part of the second interface；
Recover the function of the external part of the first interface, and perform the function of the external part of the second interface.
5. charging according to claim 4 and voice-operated device, it is characterised in that the mobile terminal also includes first
Switching switchs, and the patchcord also includes the second switching and switched, and first switching, which switchs, is provided with the first enabled EN, and described second
Switching switch is provided with the second enabled EN, the described first enabled EN and the second enabled EN and is used to control audio signal and charging to believe
Number switching.
6. charging according to claim 5 and voice-operated device, it is characterised in that the processor is additionally operable to execution and deposited
The charging and audio frequency control stored in reservoir continues, to realize following steps：
Output control signals to and enable EN corresponding to the first switching switch and the described second switching switch, to control described the
One switching switch and the described second switching switch switch to the second interface passage from the first interface passage.
7. charging according to claim 5 and voice-operated device, it is characterised in that the processor is additionally operable to execution and deposited
The charging and audio frequency control stored in reservoir continues, to realize following steps：
EN is enabled corresponding to output pwm signal to the described first switching switch and the described second switching switch, to control described the
One switching switch and the described second switching switch switch to the second interface passage from the first interface passage.
8. charging and voice-operated device according to claim 6 or 7, it is characterised in that the mobile terminal includes
Type-c sockets, the patchcord include Type-c plugs, and the Type-c plugs match with the Type-c sockets.
9. charging according to claim 8 and voice-operated device, it is characterised in that the Type-c sockets have D+,
D-, VBUS, EN and GND pin, it is corresponding, the Type-c plugs have be connected with Type-c sockets D+, D-, VBUS,
EN and GND pins.
A kind of 10. computer-readable recording medium, it is characterised in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be by one or more computing devices, to realize that claim 1-3 is any
Method described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903732.5A CN107580280A (en) | 2017-09-29 | 2017-09-29 | Charging and audio control method, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903732.5A CN107580280A (en) | 2017-09-29 | 2017-09-29 | Charging and audio control method, equipment and storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN107580280A true CN107580280A (en) | 2018-01-12 |
Family
ID=61039754
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710903732.5A Pending CN107580280A (en) | 2017-09-29 | 2017-09-29 | Charging and audio control method, equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149572A (en) * | 2019-05-31 | 2019-08-20 | 努比亚技术有限公司 | A kind of cradle, wearable device and the equipment for realizing audio transmission |
| CN111987752A (en) * | 2019-05-21 | 2020-11-24 | 北京小米移动软件有限公司 | Switching equipment |
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| US20150270733A1 (en) * | 2014-03-24 | 2015-09-24 | Nokia Corporation | Device to device charging via usb type-c interfaces |
| CN106776424A (en) * | 2016-11-29 | 2017-05-31 | 北京小米移动软件有限公司 | Joint and its control method, control device and electronic equipment |
| CN208479801U (en) * | 2018-04-19 | 2019-02-05 | 威码森（深圳）科技有限公司 | A kind of Type C interface diversiform data conversion integrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20150270733A1 (en) * | 2014-03-24 | 2015-09-24 | Nokia Corporation | Device to device charging via usb type-c interfaces |
| CN106776424A (en) * | 2016-11-29 | 2017-05-31 | 北京小米移动软件有限公司 | Joint and its control method, control device and electronic equipment |
| CN208479801U (en) * | 2018-04-19 | 2019-02-05 | 威码森（深圳）科技有限公司 | A kind of Type C interface diversiform data conversion integrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111987752A (en) * | 2019-05-21 | 2020-11-24 | 北京小米移动软件有限公司 | Switching equipment |
| CN110149572A (en) * | 2019-05-31 | 2019-08-20 | 努比亚技术有限公司 | A kind of cradle, wearable device and the equipment for realizing audio transmission |
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