CN109889942A - A Type-C transfer cable, control method and terminal device - Google Patents
A Type-C transfer cable, control method and terminal device Download PDFInfo
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- CN109889942A CN109889942A CN201910208776.5A CN201910208776A CN109889942A CN 109889942 A CN109889942 A CN 109889942A CN 201910208776 A CN201910208776 A CN 201910208776A CN 109889942 A CN109889942 A CN 109889942A
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Abstract
本发明提供一种Type‑C转接线、控制方法及终端设备，所述Type‑C转接线的一端为Type‑C接口，另一端为3.5mm接口，所述3.5mm接口中的麦克风负极连接线上设置有接地点。本发明实施例可以提升播放效果。
The present invention provides a Type-C adapter cable, a control method and a terminal device. One end of the Type-C adapter cable is a Type-C interface, the other end is a 3.5mm interface, and the microphone negative connection line in the 3.5mm interface is There is a ground point on it. The embodiment of the present invention can improve the playback effect.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of Type-C patchcords, control method and terminal device.
Background technique
With the rapid development of terminal technology, terminal device has become essential a kind of tool in people's life,
And the various aspects for user's life are brought great convenience.The Type-C interface of terminal device is gradually popularized, and
And there is the trend slowly removed in the 3.5mm interface on terminal device.In this way, the terminal device when no 3.5mm interface needs
When using earphone, need to assist the earphone of connection 3.5mm plug using Type-C patchcord.
But in the prior art, when assisting the earphone of connection 3.5mm plug using Type-C patchcord, it is possible that
Cross-talk causes result of broadcast poor.
Summary of the invention
The embodiment of the present invention provides a kind of Type-C patchcord, control method and terminal device, to solve using Type-C
Patchcord come assist connection 3.5mm plug earphone when, it is possible that cross-talk, leads to the problem that result of broadcast is poor.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of Type-C patchcord, one end of the Type-C patchcord is
Type-C interface, the other end are 3.5mm interface, are provided with grounding point on the microphone negative lead in the 3.5mm interface.
Second aspect, the embodiment of the present invention also provide a kind of control method, are applied to terminal device, the terminal device packet
First switch, second switch, third switch and the 4th switch are included, the first switch connect with L channel reference line, and described the
Two switches are connect with right channel reference line, and the third switch is connect with microphone input termi-nal, and the 4th switch connects with ground terminal
It connects, which comprises
Under the terminal device and patchcord connection status, control the microphone input termi-nal respectively with the first connecting line
It is connected with the second connecting line；
Obtain first pair of ground resistance of first connecting line and second pair of ground resistance of second connecting line；
According to the size of first pair of ground resistance and second pair of ground resistance, the first switch, described are adjusted
The state of at least one switch in two switches, third switch and the 4th switch；
Wherein, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line
It is connect with the microphone positive lead in the 3.5mm interface；Alternatively, in first connecting line and the 3.5mm interface
The connection of microphone positive lead, second connecting line connect with the microphone negative lead in the 3.5mm interface.
The third aspect, the embodiment of the present invention also provide a kind of terminal device, and the terminal device includes first switch, second
Switch, third switch and the 4th switch, the first switch are connect with L channel reference line, and the second switch and right channel are joined
Line connection is examined, the third switch is connect with microphone input termi-nal, and the 4th switch is connect with ground terminal, the terminal device packet
It includes:
Control module, for controlling the microphone input termi-nal point under the terminal device and patchcord connection status
It is not connected with the first connecting line and the second connecting line；
Obtain module, for obtain first connecting line first pair of ground resistance and second pair of second connecting line
Ground resistance；
Module is adjusted, for the size according to first pair of ground resistance and second pair of ground resistance, adjusts described the
The state of at least one switch in one switch, the second switch, the third switch and the 4th switch；
Wherein, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line
It is connect with the microphone positive lead in the 3.5mm interface；Alternatively, in first connecting line and the 3.5mm interface
The connection of microphone positive lead, second connecting line connect with the microphone negative lead in the 3.5mm interface.
Fourth aspect, the embodiment of the present invention also provide a kind of terminal device, including processor, memory and are stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
The step of existing above-mentioned control method.
5th aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, the step of computer program realizes above-mentioned control method when being executed by processor.
A kind of Type-C patchcord of the embodiment of the present invention, one end of the Type-C patchcord are Type-C interface, separately
One end is 3.5mm interface, is provided with grounding point on the microphone negative lead in the 3.5mm interface.The embodiment of the present invention
Result of broadcast can be promoted.
Detailed description of the invention
Fig. 1 is the structure chart provided in an embodiment of the present invention including Type-C patchcord；
Fig. 2 is the flow chart of control method provided in an embodiment of the present invention；
Fig. 3 is the structure chart of switch provided in an embodiment of the present invention；
Fig. 4 is one of the structure chart of terminal device provided in an embodiment of the present invention；
Fig. 5 is one of the structure chart of the adjustment module of terminal device provided in an embodiment of the present invention；
Fig. 6 is the two of the structure chart of the adjustment module of terminal device provided in an embodiment of the present invention；
Fig. 7 is the two of the structure chart of terminal device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is the structure chart provided in an embodiment of the present invention including Type-C patchcord referring to Fig. 1, Fig. 1, as shown in Figure 1, institute
The one end for stating Type-C patchcord is Type-C interface, and the other end is 3.5mm interface, which is characterized in that in the 3.5mm interface
Microphone negative lead on be provided with grounding point 1.
In Fig. 1, there is also terminal device and earphone other than Type-C patchcord, terminal device is transferred by Type-C
Line is connect with earphone.It is provided with grounding point 1 on microphone negative lead in the 3.5mm interface, the grounding point 1 ground connection.
MIC- line at earphone interface is grounded nearby, SBU (SBU1 or SBU2) line of Type-C is individually pulled to grounding point 1 and is connect
Ground cooperates a kind of detection control logic, and using this SBU line as the reference line of left and right acoustic channels power amplifier, far-end feedback is eliminated publicly
Impedance bring crosstalk problem promotes stereophonic field effect.
Optionally, the first distance between the grounding point 1 and first side of 3.5mm interface is less than the grounding point 1
With the second distance between described 3.5mm interface second side, second side of the 3.5mm interface is that the 3.5mm interface is close
The side of the Type-C interface.
It, can be referring again to Fig. 1 in order to better understand above-mentioned setting in the embodiment.As shown in Figure 1, grounding point 1 with
Distance (i.e. above-mentioned first distance) on the right side of the 3.5mm interface, on the left of the grounding point 1 and the 3.5mm interface
Distance (i.e. above-mentioned second distance).Popular can be understood as grounding point 1 being configured on the outside of 3.5mm interface.This
Sample, then cooperate a kind of detection control logic, it can preferably eliminate publicly impedance bring crosstalk problem.
A kind of Type-C patchcord of the embodiment of the present invention, one end of the Type-C patchcord are Type-C interface, separately
One end is 3.5mm interface, is provided with grounding point on the microphone negative lead in the 3.5mm interface.The embodiment of the present invention
Result of broadcast can be promoted.
Referring to fig. 2, Fig. 2 is the flow chart of control method provided in an embodiment of the present invention, is applied to terminal device, the end
End equipment includes first switch S1, second switch S2, third switch S3 and the 4th switch S4, the first switch S1 and L channel
Reference line connection, the second switch S2 are connect with right channel reference line, and the third switch S3 is connect with microphone input termi-nal,
The 4th switch S4 is connect with ground terminal.As shown in Fig. 2, method includes the following steps:
Step 201, under the terminal device and patchcord connection status, control the microphone input termi-nal respectively with
One connecting line and the conducting of the second connecting line.
In the present embodiment, under the terminal device and patchcord connection status, institute can be controlled by third switch S3
Microphone input termi-nal is stated to be connected with the first connecting line and the second connecting line respectively.As shown in Figure 1, third switch S3 is stamped,
So microphone input termi-nal is connected with the first connecting line；Third switch S3 is laid to come, then microphone input termi-nal and second connects
Wiring conducting.First connecting line is properly termed as SBU1, and the second connecting line is properly termed as SBU2.
In the present embodiment, under the terminal device and patchcord connection status, earphone can also be connect with patchcord.And
And S5 closure at this time as shown in figure 1 (earphone insertion causes).Type detection module ground, terminal device are identified as ear speaker device.
Step 202, first pair of ground resistance for obtaining first connecting line and second connecting line it is second electric over the ground
Resistance.
In the present embodiment, first pair of ground resistance for obtaining first connecting line is to connect in microphone input termi-nal with first
In the case that line is connected, first pair of ground resistance of acquisition；Second pair of ground resistance for obtaining second connecting line is in microphone
In the case that input terminal is connected with the second connecting line, second pair of ground resistance of acquisition.And first pair of ground resistance and second is over the ground
Resistance can be obtained by microphone input module.
Step 203, according to the size of first pair of ground resistance and second pair of ground resistance, adjustment described first is opened
The state of at least one switch in pass, the second switch, the third switch and the 4th switch；Wherein, described first
Connecting line is connect with the microphone negative lead in 3.5mm interface, the wheat in second connecting line and the 3.5mm interface
The connection of gram wind positive lead；Alternatively, the microphone positive lead in first connecting line and the 3.5mm interface connects
It connects, second connecting line is connect with the microphone negative lead in the 3.5mm interface.
In the present embodiment, by the size according to first pair of ground resistance and second pair of ground resistance, described in adjustment
The state that at least one in first switch S1, the second switch S2, the third switch S3 and the 4th switch S4 switchs,
So as to select suitable connection type, the cross-talk of earphone is eliminated as far as possible, promotes result of broadcast.
Optionally, the first switch S1 includes the first contact, the second contact, third contact, first contact and institute
State the connection of L channel reference line；The second switch S2 includes the 4th contact, the 5th contact and the 6th contact, the 4th contact
It is connect with the right channel reference line；The third switch S3 include the 7th contact, the 8th contact and the 9th contact, the described 7th
Contact is connect with the microphone input termi-nal；The 4th switch S4 includes the tenth contact, the 11st contact and the 12nd contact,
Tenth contact is connect with ground terminal；Second contact, the 5th contact, the 8th contact and the 11st contact
It is connect with first connecting line, the third contact, the 6th contact, the 9th contact and the 12nd contact
It is connect with second connecting line.
It, still can be refering to figure in order to better understand above-mentioned switch, and the contact that switch includes in the embodiment
1.The different switch of terminal device includes different contact in Fig. 1, and second contact, the 5th contact, described
Eight contacts and the 11st contact are connect with first connecting line (SBU1), the third contact, the 6th contact,
9th contact and the 12nd contact are connect with second connecting line (SBU2).
It certainly, can also be this refering to Fig. 3, Fig. 3 in order to better understand above-mentioned switch, and the contact that switch includes
The structure chart for the switch that inventive embodiments provide.As shown in figure 3, the first switch S1 includes the first contact 01, the second contact
02, third contact 03, first contact 01 are connect with the L channel reference line REFL；The second switch S2 includes the 4th
Contact 04, the 5th contact 05 and the 6th contact 06, the 4th contact 04 are connect with the right channel reference line REFR；Described
Three switch S3 include the 7th contact 07, the 8th contact 08 and the 9th contact 09, the 7th contact 07 and the microphone input
Hold MIC connection；The 4th switch S4 includes the tenth contact 10, the 11st contact 11 and the 12nd contact 12, the tenth touching
Point 10 is connect with ground terminal DGND；Second contact 02, the 5th contact 05, the 8th contact 08 and the 11st touching
Point 11 is connect with the first connecting line SBU1, the third contact 03, the 6th contact 06,09 and of the 9th contact
12nd contact 12 is connect with the second connecting line SBU2.
Optionally, the patchcord be the first patchcord or the second patchcord, first patchcord with described second turn
The type of wiring is different, and first patchcord is above-mentioned Type-C patchcord.
In the embodiment, one end of above-mentioned Type-C patchcord is Type-C interface, and the other end is 3.5mm interface, institute
It states and is provided with grounding point on the microphone negative lead in 3.5mm interface.Also, above-mentioned first patchcord is properly termed as standard configuration
Patchcord, the second patchcord are properly termed as non-standard configuration patchcord.Due to the patchcord be the first patchcord or the second patchcord,
To which above-mentioned control method can be adapted for different patchcords, the universality of terminal device is improved.
Optionally, the patchcord is first patchcord；It is described according to first pair of ground resistance and described second
To the size of ground resistance, the first switch S1, the second switch S2, the third switch S3 and the 4th switch are adjusted
The state that at least one in S4 switchs, comprising:
It is less than preset threshold in first pair of ground resistance, second pair of ground resistance is more than or equal to the preset threshold
In the case of, it controls and is connected between the first contact and the second contact of the first switch S1, control the of the second switch S2
It is connected between four contacts and the 5th contact, controls and be connected between the 7th contact and the 9th contact of the third switch S3, controlled
Separated and the tenth contact and the 12nd contact the interruption of the tenth contact and the 11st contact of the 4th switch S4
It opens；
It is less than the preset threshold in second pair of ground resistance, first pair of ground resistance is more than or equal to the default threshold
In the case where value, controls and be connected between the first contact and third contact of the first switch S1, control the second switch S2
The 4th contact and the 6th contact between be connected, control and be connected between the 7th contact and the 8th contact of the third switch S3,
Control the tenth contact of the 4th switch S4 between separated and the tenth contact and the 12nd contact of the 11st contact
It disconnects.
In the embodiment, it can be understood refering to fig. 1.As shown in Figure 1, terminal device can control third switch
S3, timesharing be switched to SBU1 and SBU2 detection SBU1 and SBU2 to ground resistance.SBU1 can be R1 to ground resistance, SBU2's
It can be R2 to ground resistance.
If R1 is less than preset threshold, R2 is more than or equal to preset threshold, is judged as standard configuration patchcord (i.e. the first patchcord), and
SBU1 ground connection.It then can control and be connected between the first contact and the second contact of the first switch S1, control described second is opened
It closes and is connected between the 4th contact and the 5th contact of S2, control and led between the 7th contact and the 9th contact of the third switch S3
It is logical, control the tenth contact of the 4th switch S4 and separated and the tenth contact of the 11st contact and the 12nd contact
It is separated.L channel reference line and right channel reference line are connected to SBU1 at this time, and microphone input termi-nal is connected to SBU2.
If R2 is less than preset threshold, R1 is more than or equal to preset threshold, is judged as standard configuration patchcord (i.e. the first patchcord), and
SBU2 ground connection.It then can control and be connected between the first contact and third contact of the first switch S1, control described second is opened
It closes and is connected between the 4th contact and the 6th contact of S2, control and led between the 7th contact and the 8th contact of the third switch S3
It is logical, control the tenth contact of the 4th switch S4 and separated and the tenth contact of the 11st contact and the 12nd contact
It is separated.L channel reference line and right channel reference line are connected to SBU2 at this time, and microphone input termi-nal is connected to SBU1.
In this way, the MIC- line at earphone interface is grounded nearby, SBU (SBU1 or SBU2) line of Type-C is individually pulled to and connects
Place 1 is grounded, and a kind of detection control logic is cooperated, and using this SBU line as the reference line of left and right acoustic channels power amplifier, distal end is anti-
Publicly impedance bring crosstalk problem is eliminated in feedback, promotes stereophonic field effect.
Optionally, the patchcord is second patchcord, described according to first pair of ground resistance and described second
To the size of ground resistance, adjust in the first switch, the second switch, third switch and the 4th switch at least
The state of one switch, comprising:
In the case where first pair of ground resistance and second pair of ground resistance are all larger than preset threshold, according to described
Size relation between a pair of of ground resistance and second pair of ground resistance adjusts the first switch, second switch, described
The state of at least one switch in third switch and the 4th switch.
In the embodiment, the case where first pair of ground resistance and second pair of ground resistance are all larger than preset threshold
Under, illustrate that patchcord is non-standard configuration patchcord (i.e. the second patchcord).So at this time can by comparing first pair of ground resistance and
Size relation between second pair of ground resistance, come adjust the first switch, the second switch, the third switch and
The state of at least one switch, as far as possible reduction cross-talk, promote result of broadcast in 4th switch.
Optionally, the size relation according between first pair of ground resistance and second pair of ground resistance, adjustment
The state of at least one switch, packet in the first switch, the second switch, third switch and the 4th switch
It includes:
In the case where first pair of ground resistance is less than second pair of ground resistance, the first of the first switch is controlled
It is connected between contact and the second contact, controls and be connected between the 4th contact of the second switch and the 5th contact, described in control
Third switch the 7th contact and the 9th contact between be connected, control it is described 4th switch the tenth contact and the 11st contact it
Between be connected；
In the case where first pair of ground resistance is greater than second pair of ground resistance, the first of the first switch is controlled
It is connected between contact and third contact, controls and be connected between the 4th contact of the second switch and the 6th contact, described in control
Third switch the 7th contact and the 8th contact between be connected, control it is described 4th switch the tenth contact and the 12nd contact it
Between be connected.
In the embodiment, in the case where first pair of ground resistance is less than second pair of ground resistance, SBU2 is judged
For ear microphone, SBU1 is for earphone.It controls and is connected between the first contact of the first switch and the second contact, control institute
State and be connected between the 4th contact of second switch and the 5th contact, control third switch the 7th contact and the 9th contact it
Between be connected, control it is described 4th switch the tenth contact and the 11st contact between be connected.I.e. control microphone input termi-nal with
SBU2 connection, for SBU1 by the 4th switch ground connection, L channel reference line and right channel reference line are connected to SBU1.
Similarly, in the case where first pair of ground resistance is greater than second pair of ground resistance, judge SBU1 for earphone wheat
Gram wind, SBU2 is for earphone.It controls and is connected between the first contact of the first switch and third contact, control described second is opened
It is connected between the 4th contact and the 6th contact closed, controls and be connected between the 7th contact and the 8th contact of the third switch,
It controls and is connected between the tenth contact and the 12nd contact of the 4th switch.That is control microphone input termi-nal is connect with SBU1,
For SBU2 by the 4th switch ground connection, L channel reference line and right channel reference line are connected to SBU2.
In the embodiment, the case where either first pair of ground resistance is less than second pair of ground resistance or first pair
Ground resistance is greater than the case where second pair of ground resistance, by controlling the state of different switches, the impedance just connect using microphone
Greater than the impedance principle of reversal connection, cross-talk is eliminated as much as, promotes result of broadcast.
Optionally, the terminal device is connect by the patchcord with three-section earphone, described according to described first pair
The size of ground resistance and second pair of ground resistance adjusts the first switch, the second switch, third switch and institute
State the state of at least one switch in the 4th switch, comprising:
In the case where first pair of ground resistance and second pair of ground resistance are respectively less than preset threshold, described the is controlled
Separated and the 7th contact of the 7th contacts and the 8th contact of three switches is separated with the 9th contact；Control described
Separated and the tenth contact of the tenth contacts and the 11st contact of four switches is separated with the 12nd contact.
In the embodiment, above-mentioned preset threshold can be a value close to 0.If first pair of ground resistance and second is over the ground
Resistance is respectively less than preset threshold, is judged as the three-section earphone of no microphone, controls the 7th contact of third switch and the
Separated and the 7th contact of eight contacts is separated with the 9th contact；Control the tenth contact and the of the 4th switch
Separated and the tenth contact of 11 contacts is separated with the 12nd contact.At this point, above-mentioned patchcord can be first turn
Wiring or the second patchcord, are not construed as limiting this present embodiment.
In the present embodiment, above-mentioned terminal device can be mobile phone, tablet computer (Tablet Personal Computer),
Laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA),
Mobile Internet access device (Mobile Internet Device, MID) or wearable device (Wearable Device) etc..
A kind of control method of the embodiment of the present invention, is applied to terminal device, and the terminal device includes first switch, the
Two switches, third switch and the 4th switch, the first switch are connect with L channel reference line, the second switch and right channel
Reference line connection, the third switch are connect with microphone input termi-nal, and the 4th switch is connect with ground terminal, the method packet
Include: under the terminal device and patchcord connection status, control the microphone input termi-nal respectively with the first connecting line and the
The conducting of two connecting lines；Obtain first pair of ground resistance of first connecting line and second pair of ground resistance of second connecting line；
According to the size of first pair of ground resistance and second pair of ground resistance, the first switch, the second switch, institute are adjusted
State the state of at least one switch in third switch and the 4th switch；Wherein, in first connecting line and 3.5mm interface
The connection of microphone negative lead, second connecting line connect with the microphone positive lead in the 3.5mm interface；
Alternatively, first connecting line is connect with the microphone positive lead in the 3.5mm interface, second connecting line and institute
State the microphone negative lead connection in 3.5mm interface.In this way, can choose suitable connection type, eliminate as far as possible
The cross-talk of earphone promotes result of broadcast.
Referring to fig. 4, Fig. 4 is the structure chart of terminal device provided in an embodiment of the present invention, is able to achieve in above-described embodiment and controls
The details of method processed, and reach identical effect.The terminal device 400 include first switch, second switch, third switch and
4th switch, the first switch connect with L channel reference line, and the second switch is connect with right channel reference line, and described the
Three switches are connect with microphone input termi-nal, and the 4th switch is connect with ground terminal, as shown in figure 4, terminal device 400 includes control
Module 401 obtains module 402 and adjustment module 403, and control module 401 and acquisition module 402 connect, obtain module 402 and adjust
Mould preparation block 403 connects, in which:
Control module 401, for controlling the microphone input termi-nal under the terminal device and patchcord connection status
It is connected respectively with the first connecting line and the second connecting line；
Obtain module 402, for obtain first connecting line first pair of ground resistance and second connecting line the
Two pairs of ground resistances；
Module 403 is adjusted, for the size according to first pair of ground resistance and second pair of ground resistance, described in adjustment
The state of at least one switch in first switch, the second switch, third switch and the 4th switch；
Wherein, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line
It is connect with the microphone positive lead in the 3.5mm interface；Alternatively, in first connecting line and the 3.5mm interface
The connection of microphone positive lead, second connecting line connect with the microphone negative lead in the 3.5mm interface.
Optionally, the first switch include the first contact, the second contact, third contact, first contact with it is described
The connection of L channel reference line；The second switch includes the 4th contact, the 5th contact and the 6th contact, the 4th contact and institute
State the connection of right channel reference line；Third switch includes the 7th contact, the 8th contact and the 9th contact, the 7th contact with
The microphone input termi-nal connection；It is described 4th switch include the tenth contact, the 11st contact and the 12nd contact, the described tenth
Contact is connect with ground terminal；Second contact, the 5th contact, the 8th contact and the 11st contact with it is described
First connecting line connection, the third contact, the 6th contact, the 9th contact and the 12nd contact with it is described
The connection of second connecting line.
Optionally, the patchcord be the first patchcord or the second patchcord, first patchcord with described second turn
The type of wiring is different, and first patchcord is above-mentioned Type-C patchcord.
Optionally, the patchcord is first patchcord；As shown in figure 5, the adjustment module 403, comprising:
First control submodule 4031, for being less than preset threshold in first pair of ground resistance, described second is electric over the ground
In the case that resistance is more than or equal to the preset threshold, controls and is connected between the first contact of the first switch and the second contact,
It controls and is connected between the 4th contact of the second switch and the 5th contact, control the 7th contact and the 9th of the third switch
It is connected between contact, controls the tenth contact of the 4th switch and separated and the tenth contact and the of the 11st contact
12 contacts it is separated；
Second control submodule 4032, for second pair of ground resistance be less than the preset threshold, described first pair
In the case that ground resistance is more than or equal to the preset threshold, controls and led between the first contact of the first switch and third contact
It is logical, control and be connected between the 4th contact of the second switch and the 6th contact, control the 7th contact of the third switch with
It is connected between 8th contact, controls separated and the tenth contact of the tenth contact and the 11st contact of the 4th switch
It is separated with the 12nd contact.
Optionally, the patchcord is second patchcord, and the adjustment module 403 is used for described first over the ground
In the case that resistance and second pair of ground resistance are all larger than preset threshold, according to first pair of ground resistance and second pair described
Size relation between ground resistance adjusts the first switch, the second switch, third switch and the 4th switch
In at least one switch state.
Optionally, as shown in fig. 6, the adjustment module 403, comprising:
Third control submodule 4033, for the case where first pair of ground resistance is less than second pair of ground resistance
Under, control and be connected between the first contact of the first switch and the second contact, control the 4th contact of the second switch with
It is connected between 5th contact, controls and be connected between the 7th contact and the 9th contact of the third switch, control the described 4th is opened
It is connected between the tenth contact and the 11st contact closed；
4th control submodule 4034, for the case where first pair of ground resistance is greater than second pair of ground resistance
Under, control and be connected between the first contact of the first switch and third contact, control the 4th contact of the second switch with
It is connected between 6th contact, controls and be connected between the 7th contact and the 8th contact of the third switch, control the described 4th is opened
It is connected between the tenth contact and the 12nd contact closed.
Optionally, the terminal device is connect by the patchcord with three-section earphone, the adjustment module 403, is used
In: in the case where first pair of ground resistance and second pair of ground resistance are respectively less than preset threshold, control the third and open
Separated and the 7th contact of the 7th contact and the 8th contact closed is separated with the 9th contact；The described 4th is controlled to open
Separated and the tenth contact of the tenth contact and the 11st contact closed is separated with the 12nd contact.
Terminal device 400 is able to achieve each process that terminal device is realized in the embodiment of the method for Fig. 2, to avoid repeating,
Which is not described herein again.
The terminal device 400 of the embodiment of the present invention controls the wheat under the terminal device and patchcord connection status
Gram wind input terminal is connected with the first connecting line and the second connecting line respectively；Obtain first connecting line first pair of ground resistance and
Second pair of ground resistance of second connecting line；According to the size of first pair of ground resistance and second pair of ground resistance, adjust
The state of at least one switch in the whole first switch, the second switch, third switch and the 4th switch；Its
In, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line with it is described
Microphone positive lead connection in 3.5mm interface；Alternatively, the Mike in first connecting line and the 3.5mm interface
The connection of wind positive lead, second connecting line are connect with the microphone negative lead in the 3.5mm interface.In this way,
It can choose suitable connection type, eliminate the cross-talk of earphone as far as possible, promote result of broadcast.
Referring to Fig. 7, a kind of hardware structural diagram of Fig. 7 terminal device of each embodiment to realize the present invention, the end
End equipment 700 includes but is not limited to: radio frequency unit 701, audio output unit 703, input unit 704, passes network module 702
Sensor 705, display unit 706, user input unit 707, interface unit 708, memory 709, processor 710 and power supply
711 equal components.It will be understood by those skilled in the art that terminal device structure shown in Fig. 7 is not constituted to terminal device
It limits, terminal device may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.In embodiments of the present invention, terminal device includes but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle
Mounted terminal, wearable device and pedometer etc..
Wherein, processor 710, for it is defeated to control the microphone under the terminal device and patchcord connection status
Enter end to be connected with the first connecting line and the second connecting line respectively；Obtain first pair of ground resistance and described of first connecting line
Second pair of ground resistance of two connecting lines；According to the size of first pair of ground resistance and second pair of ground resistance, described in adjustment
The state of at least one switch in first switch, the second switch, third switch and the 4th switch；Wherein, institute
It states the first connecting line to connect with the microphone negative lead in 3.5mm interface, second connecting line and the 3.5mm interface
In microphone positive lead connection；Alternatively, first connecting line is connect with the microphone anode in the 3.5mm interface
Line connection, second connecting line are connect with the microphone negative lead in the 3.5mm interface.In this way, can choose conjunction
Suitable connection type eliminates the cross-talk of earphone as far as possible, promotes result of broadcast.
Optionally, the first switch include the first contact, the second contact, third contact, first contact with it is described
The connection of L channel reference line；The second switch includes the 4th contact, the 5th contact and the 6th contact, the 4th contact and institute
State the connection of right channel reference line；Third switch includes the 7th contact, the 8th contact and the 9th contact, the 7th contact with
The microphone input termi-nal connection；It is described 4th switch include the tenth contact, the 11st contact and the 12nd contact, the described tenth
Contact is connect with ground terminal；Second contact, the 5th contact, the 8th contact and the 11st contact with it is described
First connecting line connection, the third contact, the 6th contact, the 9th contact and the 12nd contact with it is described
The connection of second connecting line.
Optionally, the patchcord be the first patchcord or the second patchcord, first patchcord with described second turn
The type of wiring is different, and first patchcord is Type-C patchcord of any of claims 1 or 2.
Optionally, the patchcord is first patchcord；Processor 710 is also used in first pair of ground resistance
Less than preset threshold, in the case that second pair of ground resistance is more than or equal to the preset threshold, the first switch is controlled
It is connected between first contact and the second contact, controls and be connected between the 4th contact of the second switch and the 5th contact, controlled
It is connected between the 7th contact and the 9th contact of the third switch, controls the tenth contact and the 11st touching of the 4th switch
Separated and the tenth contact of point is separated with the 12nd contact；It is less than the default threshold in second pair of ground resistance
Value, in the case that first pair of ground resistance is more than or equal to the preset threshold, control the first contact of the first switch with
Third is connected between contact, controls and is connected between the 4th contact of the second switch and the 6th contact, controls the third and opens
It is connected between the 7th contact and the 8th contact closed, controls the interruption of the tenth contact and the 11st contact of the 4th switch
Open and the tenth contact and the 12nd contact it is separated.
Optionally, the patchcord is second patchcord, and processor 710 is also used in first pair of ground resistance
It is electric over the ground according to first pair of ground resistance and described second in the case where being all larger than preset threshold with second pair of ground resistance
Size relation between resistance adjusts in the first switch, the second switch, third switch and the 4th switch extremely
The state of a few switch.
Optionally, processor 710 are also used to the case where first pair of ground resistance is less than second pair of ground resistance
Under, control and be connected between the first contact of the first switch and the second contact, control the 4th contact of the second switch with
It is connected between 5th contact, controls and be connected between the 7th contact and the 9th contact of the third switch, control the described 4th is opened
It is connected between the tenth contact and the 11st contact closed；The case where first pair of ground resistance is greater than second pair of ground resistance
Under, control and be connected between the first contact of the first switch and third contact, control the 4th contact of the second switch with
It is connected between 6th contact, controls and be connected between the 7th contact and the 8th contact of the third switch, control the described 4th is opened
It is connected between the tenth contact and the 12nd contact closed.
Optionally, the terminal device is connect by the patchcord with three-section earphone, and processor 710 is also used to
In the case that first pair of ground resistance and second pair of ground resistance are respectively less than preset threshold, the of third switch is controlled
Separated and the 7th contact of seven contacts and the 8th contact is separated with the 9th contact；Control the of the 4th switch
Separated and the tenth contact of ten contacts and the 11st contact is separated with the 12nd contact.
It should be understood that the embodiment of the present invention in, radio frequency unit 701 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 710 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 701 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 701 can also by wireless communication system and network and other set
Standby communication.
Terminal device provides wireless broadband internet by network module 702 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 703 can be received by radio frequency unit 701 or network module 702 or in memory 709
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 703 can also provide and end
The relevant audio output of specific function that end equipment 700 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 703 includes loudspeaker, buzzer and receiver etc..
Input unit 704 is for receiving audio or video signal.Input unit 704 may include graphics processor
(Graphics Processing Unit, GPU) 7041 and microphone 7042, graphics processor 7041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 706.Through graphics processor 7041, treated that picture frame can be deposited
Storage is sent in memory 709 (or other storage mediums) or via radio frequency unit 701 or network module 702.Mike
Wind 7042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 701 is converted in the case where telephone calling model.
Terminal device 700 further includes at least one sensor 705, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 7061, and proximity sensor can close when terminal device 700 is moved in one's ear
Display panel 7061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify terminal device posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 705 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 706 is for showing information input by user or being supplied to the information of user.Display unit 706 can wrap
Display panel 7061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 7061.
User input unit 707 can be used for receiving the number or character information of input, and generate the use with terminal device
Family setting and the related key signals input of function control.Specifically, user input unit 707 include touch panel 7071 and
Other input equipments 7072.Touch panel 7071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 7071 or in touch panel 7071
Neighbouring operation).Touch panel 7071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 710, receiving area
It manages the order that device 710 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 7071.In addition to touch panel 7071, user input unit 707 can also include other input equipments
7072.Specifically, other input equipments 7072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 7071 can be covered on display panel 7061, when touch panel 7071 is detected at it
On or near touch operation after, send processor 710 to determine the type of touch event, be followed by subsequent processing device 710 according to touching
The type for touching event provides corresponding visual output on display panel 7061.Although in Fig. 7, touch panel 7071 and display
Panel 7061 is the function that outputs and inputs of realizing terminal device as two independent components, but in some embodiments
In, can be integrated by touch panel 7071 and display panel 7061 and realize the function that outputs and inputs of terminal device, it is specific this
Place is without limitation.
Interface unit 708 is the interface that external device (ED) is connect with terminal device 700.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 708 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in terminal device 700 or can be used in 700 He of terminal device
Data are transmitted between external device (ED).
Memory 709 can be used for storing software program and various data.Memory 709 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 709 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 710 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection
A part by running or execute the software program and/or module that are stored in memory 709, and calls and is stored in storage
Data in device 709 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place
Managing device 710 may include one or more processing units；Preferably, processor 710 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 710.
Terminal device 700 can also include the power supply 711 (such as battery) powered to all parts, it is preferred that power supply 711
Can be logically contiguous by power-supply management system and processor 710, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, terminal device 700 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal device, including processor 710, and memory 709 is stored in
On memory 709 and the computer program that can run on the processor 710, the computer program are executed by processor 710
Each process of the above-mentioned control method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here no longer
It repeats.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned control method embodiment when being executed by processor, and can reach
Identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium is deposited Ru read-only
Reservoir (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM),
Magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of Type-C patchcord, one end of the Type-C patchcord is Type-C interface, and the other end is 3.5mm interface,
It is characterized in that, being provided with grounding point on microphone negative lead in the 3.5mm interface.
2. Type-C patchcord according to claim 1, which is characterized in that the grounding point and the 3.5mm interface the
First distance between side is less than the second distance between the grounding point and described 3.5mm interface second side, the 3.5mm
Second side of interface is the 3.5mm interface close to the side of the Type-C interface.
3. a kind of control method, it is applied to terminal device, which is characterized in that the terminal device includes first switch, second opens
It closes, third switch and the 4th switch, the first switch are connect with L channel reference line, the second switch and right channel reference
Line connection, the third switch are connect with microphone input termi-nal, and the 4th switch is connect with ground terminal, which comprises
Under the terminal device and patchcord connection status, control the microphone input termi-nal respectively with the first connecting line and the
The conducting of two connecting lines；
Obtain first pair of ground resistance of first connecting line and second pair of ground resistance of second connecting line；
According to the size of first pair of ground resistance and second pair of ground resistance, adjusts the first switch, described second opens
It closes, the state that at least one in third switch and the 4th switch switchs；
Wherein, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line and institute
State the microphone positive lead connection in 3.5mm interface；Alternatively, the wheat in first connecting line and the 3.5mm interface
The connection of gram wind positive lead, second connecting line are connect with the microphone negative lead in the 3.5mm interface.
4. according to the method described in claim 3, it is characterized in that, the first switch includes the first contact, the second contact, the
Three contacts, first contact are connect with the L channel reference line；
The second switch includes that the 4th contact, the 5th contact and the 6th contact, the 4th contact and the right channel refer to
Line connection；
The third switch includes the 7th contact, the 8th contact and the 9th contact, the 7th contact and the microphone input
End connection；
4th switch includes the tenth contact, the 11st contact and the 12nd contact, and the tenth contact is connect with ground terminal；Institute
It states the second contact, the 5th contact, the 8th contact and the 11st contact to connect with first connecting line, institute
Third contact, the 6th contact, the 9th contact and the 12nd contact is stated to connect with second connecting line.
5. according to the method described in claim 4, it is characterized in that, the patchcord be the first patchcord or the second patchcord,
First patchcord is different from the type of second patchcord, and first patchcord is of any of claims 1 or 2
Type-C patchcord.
6. according to the method described in claim 5, it is characterized in that, the patchcord is first patchcord；
The size according to first pair of ground resistance and second pair of ground resistance adjusts the first switch, described
The state of at least one switch in two switches, third switch and the 4th switch, comprising:
The case where first pair of ground resistance is less than preset threshold, and second pair of ground resistance is more than or equal to the preset threshold
Under, control and be connected between the first contact of the first switch and the second contact, control the 4th contact of the second switch with
It is connected between 5th contact, controls and be connected between the 7th contact and the 9th contact of the third switch, control the described 4th is opened
Separated and the tenth contact of the tenth contact and the 11st contact closed is separated with the 12nd contact；
It is less than the preset threshold in second pair of ground resistance, first pair of ground resistance is more than or equal to the preset threshold
In the case of, it controls and is connected between the first contact of the first switch and third contact, control the 4th touching of the second switch
It is connected between point and the 6th contact, controls and be connected between the 7th contact and the 8th contact of third switch, control described the
Separated and the tenth contact of the tenth contacts and the 11st contact of four switches is separated with the 12nd contact.
7. according to the method described in claim 5, it is characterized in that, the patchcord is second patchcord, the basis
The size of first pair of ground resistance and second pair of ground resistance adjusts the first switch, the second switch, described
The state of at least one switch in three switches and the 4th switch, comprising:
In the case where first pair of ground resistance and second pair of ground resistance are all larger than preset threshold, according to described first pair
Size relation between ground resistance and second pair of ground resistance, adjusts the first switch, the second switch, the third
The state of at least one switch in switch and the 4th switch.
8. the method according to the description of claim 7 is characterized in that described according to first pair of ground resistance and second pair described
Size relation between ground resistance adjusts the first switch, the second switch, third switch and the 4th switch
In at least one switch state, comprising:
In the case where first pair of ground resistance is less than second pair of ground resistance, the first contact of the first switch is controlled
It is connected between the second contact, controls and be connected between the 4th contact of the second switch and the 5th contact, control the third
It is connected between the 7th contact and the 9th contact of switch, controls and led between the tenth contact and the 11st contact of the 4th switch
It is logical；
In the case where first pair of ground resistance is greater than second pair of ground resistance, the first contact of the first switch is controlled
It is connected between third contact, controls and be connected between the 4th contact of the second switch and the 6th contact, control the third
It is connected between the 7th contact and the 8th contact of switch, controls and led between the tenth contact and the 12nd contact of the 4th switch
It is logical.
9. according to the method described in claim 4, it is characterized in that, the terminal device passes through the patchcord and three-stage ear
Machine connection, the size according to first pair of ground resistance and second pair of ground resistance adjust the first switch, described
The state of at least one switch in second switch, third switch and the 4th switch, comprising:
In the case where first pair of ground resistance and second pair of ground resistance are respectively less than preset threshold, control the third and open
Separated and the 7th contact of the 7th contact and the 8th contact closed is separated with the 9th contact；The described 4th is controlled to open
Separated and the tenth contact of the tenth contact and the 11st contact closed is separated with the 12nd contact.
10. a kind of terminal device, which is characterized in that the terminal device includes first switch, second switch, third switch and
Four switches, the first switch are connect with L channel reference line, and the second switch is connect with right channel reference line, the third
Switch is connect with microphone input termi-nal, and the 4th switch is connect with ground terminal, and the terminal device includes:
Control module, under the terminal device and patchcord connection status, control the microphone input termi-nal respectively with
First connecting line and the conducting of the second connecting line；
Obtain module, for obtain first connecting line first pair of ground resistance and second connecting line it is second electric over the ground
Resistance；
Module is adjusted, for the size according to first pair of ground resistance and second pair of ground resistance, adjustment described first is opened
The state of at least one switch in pass, the second switch, the third switch and the 4th switch；
Wherein, first connecting line is connect with the microphone negative lead in 3.5mm interface, second connecting line and institute
State the microphone positive lead connection in 3.5mm interface；Alternatively, the wheat in first connecting line and the 3.5mm interface
The connection of gram wind positive lead, second connecting line are connect with the microphone negative lead in the 3.5mm interface.
Priority Applications (1)
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| CN201910208776.5A CN109889942B (en) | 2019-03-19 | 2019-03-19 | A Type-C transfer cable, control method and terminal device |
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| CN201910208776.5A CN109889942B (en) | 2019-03-19 | 2019-03-19 | A Type-C transfer cable, control method and terminal device |
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