CN207968826U - A kind of digital simulation TypeC earphones - Google Patents
A kind of digital simulation TypeC earphones Download PDFInfo
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- CN207968826U CN207968826U CN201820485694.6U CN201820485694U CN207968826U CN 207968826 U CN207968826 U CN 207968826U CN 201820485694 U CN201820485694 U CN 201820485694U CN 207968826 U CN207968826 U CN 207968826U
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Abstract
A kind of digital simulation TypeC earphones, including TypeC interfaces and loud speaker, the earphone further includes mode selection module, mode switch module, processor module and switch module, switch module receives analog audio data and digital audio-frequency data from TypeC interfaces, analog audio data is exported to loud speaker, digital audio-frequency data is exported to processor module；Processor module includes codec unit, for being decoded to digital audio-frequency data, and decoded audio data is exported to loud speaker, input of the mode switch module based on mode selection module, output mode control signal to the ends CC of TypeC interfaces switch the earphone between numeric type earphone and analogue type earphone.
Description
Technical field
The utility model is related to electronic technology fields.More particularly, to a kind of digital simulation TypeC earphones.
Background technology
More and more electronic equipments use TypeC interfaces at present, even many electronic equipment manufacturers by
Step cancels product of the production configured with 3.5mm interfaces, therefore more and more electronic equipments need to use TypeC earphones.
Existing TypeC earphones are divided into analogue type TypeC earphones and numeric type TypeC earphones.Numeric type TypeC earphones
In, earphone carries coder (codec), and the terminal device for providing audio transfers data to codec by usb protocol,
Music is played out after codec decodings.Analogue type TypeC earphones are without codec, just with TypeC interfaces.But it is digital
Communication between the codec and terminal device of type Typec earphones uses usb protocol, and this agreement is more power-consuming.But
In the case of identical, the electric quantity consumption of terminal device will be allowed less using analogue type Typec earphones.
In addition, numeric type Typec earphones are compared with analogue type Typec earphones, the codec of earphone is depended in terms of sound quality
With the codec parameter comparisons of terminal device, sound quality quality cannot treat different things as the same, meanwhile, it is one more subjective for sound quality
Parameter, so, somebody likes using numeric type Typec earphones, and somebody prefers analogue type Typec earphones.
Accordingly, it is desirable to provide it is a kind of disclosure satisfy that client's different demands, can be between analogue type and numeric type earphone
The digital simulation TypeC earphones of free switching.
Utility model content
The purpose of this utility model is to provide one kind can as needed between analogue type and numeric type earphone freely
The digital simulation TypeC earphones of switching.
In order to achieve the above objectives, the utility model uses following technical proposals：
A kind of digital simulation TypeC earphones, including TypeC interfaces and loud speaker, the earphone further include mode selection module,
Mode switch module, processor module and switch module, switch module receive the analog audio data sum number from TypeC interfaces
Word audio data exports analog audio data to loud speaker, and digital audio-frequency data is exported to processor module；Processor die
Block includes codec unit, for being decoded to digital audio-frequency data, and decoded audio data is exported to loud speaker, pattern
Input of the handover module based on mode selection module, output mode control signal is to the ends CC of TypeC interfaces by the earphone in number
Switch between font earphone and analogue type earphone.
Preferably, processor module further comprises that control unit, control unit are received from the defeated of mode selection module
Enter, is connect with mode switch module by the first control terminal and the second control terminal of processor module.
Preferably, control unit is connect by the third control terminal and the 4th control terminal of processor module with switch module,
Control the output of analog audio data or digital audio-frequency data.
Preferably, control unit is connect by the power end of processor module with switch module, passes through ground terminal and TypeC
Interface connects.
Preferably, mode switch module includes that the first control terminal with data processor module and the second control terminal connect respectively
The first input end and the second input terminal that connect, the output and ground being connect with the ends TypeC interface CC, mode switch module are logical
That crosses the ends change TypeC interface CC is used as numeric type earphone or analogue type earphone to ground resistance by the earphone.
Preferably, mode switch module includes the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, and the control terminal of the first metal-oxide-semiconductor is as first
Input terminal is simultaneously grounded, and the first end of the first metal-oxide-semiconductor is connect with the ends TypeC interface CC, second end ground connection；The control of second metal-oxide-semiconductor
End processed is as the second input terminal and is grounded, and the first end of the second metal-oxide-semiconductor is connect by first resistor device with the ends TypeC interface CC,
Its second end is grounded.
Preferably, the control terminal of the first metal-oxide-semiconductor is grounded by first resistor device；The control terminal of second metal-oxide-semiconductor passes through second
The first end of resistance-grounded system, the second metal-oxide-semiconductor is connect by 3rd resistor device with the ends TypeC interface CC.
Preferably, earphone includes line traffic control switch, and line traffic control switch includes mode selection module.
Preferably, codec unit transmits digital audio-frequency data by usb protocol.
Preferably, earphone is defaulted as numeric type TypeC earphones in access terminal equipment, according to from mode selection module
Input switch to analogue type TypeC earphones.
The beneficial effects of the utility model are as follows：
Technical solution described in the utility model, which is capable of providing one kind, can enable user as needed in analogue type TypeC earphones
The digital simulation TypeC earphones of free switching between numeric type TypeC earphones so that a variety of sound quality choosings of user can be both provided
It selects, electricity can also be saved when providing the terminal device not enough power supply of audio.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 shows the structure general diagram of the digital simulation TypeC earphones according to the disclosure；
Fig. 2 shows the circuit diagrams according to one embodiment of the digital simulation TypeC earphones of the disclosure；And
Fig. 3 shows the circuit diagram of another embodiment of the digital simulation TypeC earphones according to the disclosure.
Specific implementation mode
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
It should be understood that ordinal number first, second described in the specification etc. is intended merely to the clear of description, rather than in order to limit
The sequence of component, assembly unit processed or component etc., that is, be described as first element, component and component and second element, component or component
It can also be expressed as second element, component and component and first element, component or component.
Fig. 1 shows the structure general diagram of the digital simulation TypeC earphones 10 according to the disclosure.
The digital simulation TypeC earphones 10 of the disclosure can be to be connect with terminal device (not shown) by wired mode
Any type of earphone, such as headphone, clip-on type earphone, In-Ear Headphones.As shown in Figure 1, the digital mould of the disclosure
Quasi- TypeC earphones 10 include processor module 101, mode switch module 103, TypeC interfaces 105, switch module 107, raise one's voice
Device 109 and mode selection module 111.
The digital simulation TypeC earphones 10 of the disclosure can be connect by TypeC interfaces 105 with terminal device, the terminal
Equipment can be equipped with the equipment with audio playing function of TypeC interfaces, for example, the mobile phone configured with TypeC interfaces,
Desktop computer, laptop, tablet computer etc..Terminal device will need the audio data exported via loud speaker 109 via
The TypeC interfaces 105 being connect with its own TypeC interface are transmitted to switch module 107.According to the disclosure, the audio data was both
It can be digital audio-frequency data, can also be analog audio data.
Specifically, mode selection module 111 is connect with the input terminal of processor module 101, the control of processor module 101
End is connect with the input terminal of mode switch module 103, and is connect with switch module 107, the output end of mode switch module 103
It is connect with the ends TypeC interface CC, based on user in the input of mode selection module 111, the control unit in processor module 101
The signal of control terminal is enabled to change, the CC of the output end output mode switching signal of mode switch module 103 to TypeC interfaces 105
End, to which terminal device is according to the mode switching signal, selection exports analog audio data or digital audio-frequency data, therefore ear
Machine 10 switches between numeric type earphone and analogue type earphone, similarly, when the signal change of the control terminal of processor module 101
When, switch module 107 receives analog audio data and digital audio-frequency data from TypeC interfaces 105, by analog audio data
Digital audio-frequency data is exported the encoding and decoding for including to processor module 101, processor module 101 by output to loud speaker 109
Unit decodes digital audio-frequency data, and will be exported to loud speaker 109 by decoded audio data.
In the following, in conjunction with Fig. 2, the structural principle of the digital simulation TypeC earphones 10 of the disclosure, Fig. 2 are described in further detail
The circuit diagram of one embodiment of the digital simulation TypeC earphones 10 according to the disclosure is shown.
For ease of description and it can be readily appreciated that it is specifically chip model to schematically illustrate switch module 107 in figure,
And the pin title of processor module 101 is marked, it should be appreciated that this is the schematically digital mould of the disclosure
Quasi- TypeC earphones 10 are not limited to this, and the structure that above-mentioned function may be implemented in other is also possible.
In the present embodiment, digital simulation TypeC earphones 10 include processor module 101, mode switch module 103-1,
TypeC interfaces 105, switch module 107, loud speaker 109 and mode selection module 111.Mode selection module 111 is connected to place
It manages between device module 101 and loud speaker 109, is connect with processor module 101 in one of left speaker and right loud speaker logical
Lu Zhong.Because in practical applications, mode selection module 111 can be that line traffic control switchs.In addition, for the purposes of being convenient for retouching herein
It states, the mode selection module 111 in the present embodiment is shown as key-press input form, it should be appreciated that the digital simulation of the disclosure
TypeC earphones 10 are without being limited thereto, and the mode selection module 111 with other instruction input hardware is also possible.
In the present embodiment, user inputs instruction by pressing the button 1 on mode selection module 111.Specifically, when
User is inserted into when using digital simulation TypeC earphones 10, by earphone by TypeC interfaces 105 TypeC on terminal device
In interface (not shown), at this point, digital simulation TypeC earphones 10 are defaulted as numeric type earphone, if user want to change sound quality or
Person's terminal device not enough power supply then can be switched to analogue type by way of double-clicking button 1 to the input of processor module 101
The instruction of earphone.It will be understood by those skilled in the art that the present disclosure is not limited thereto, when design, when insertion, can also be defaulted as, and simulate
Type earphone will click button 1 be set as switching analogue type earphone it is also possible, as long as being simply changed when initial designs.When need
When numeric type earphone is switched to analogue type earphone, for example, it is also possible to double-click button 1 or by way of clicking button 1 into
Row switching.
In the present embodiment, processor module 101 is the processor chips with codec, can be configured with codec's
Singlechip chip, digital model processing chip (DSP), digital programmable gate array (FPGA) etc..And it can be according to practical need
Select the number of pins and concrete model of chip.Because above-mentioned processor chips can meet the design requirement of the disclosure, because
This, does not show the chip model of processor module 101 specifically, and pin name shown in figure is only schematic in embodiment
, not as the limitation to the disclosure.
As shown in Fig. 2, processor module 101 includes control terminal IO1 (that is, first control terminal) and control terminal IO2 (that is, the
Two control terminals), and connect with mode switch module 103-1, it is preferable that when instruction input by user is by digital simulation
When TypeC earphones 10 are set as analogue type earphone, processor module 101 is based on the input, sets control terminal IO1 to 1 (high electricity
It is flat), while setting control terminal IO2 to 0 (low level).When digital simulation TypeC earphones 10 are in the pattern of numeric type earphone
When, processor module 101 sets control terminal IO1 to 0 (low level), while setting control terminal IO2 to 1 (high level).
In the present embodiment, as shown in Figure 2, the control unit in processor module 101 is via control terminal IO1 and IO2
Control signal is input to the input terminal of mode switch module 103-1.Show that mode switch module 103-1's is exemplary in figure
Structure.One end of resistance R1 is connect with the control terminal of NMOS tube M1, their common end is defeated as mode switch module 103-1's
Enter the control terminal IO1 that end is connected to processor module 101；One end of resistance R3 is connect with the control terminal of NMOS tube M2, they
Common end is connected to the control output end IO2 of processor module 101 as another input terminal of mode switch module 103-1；
The source electrode of NMOS tube M2 and one end of R2 connect, and the other end of R2 is connect with the source electrode of NMOS tube M1, their common end conduct
The output end of mode switch module 103-1 is connected to the ends TypeC interface 105CC；In addition, the leakage of the other end of R1, NMOS tube M1
The drain electrode of pole, the other end of R3, NMOS tube M2 is grounded.Preferably, the resistance value of R2 is 5.1k Ω.
It is noted that in this case, work as IO1=1, when IO2=0, NMOS tube M1 conductings, NMOS tube M2 cut-offs,
The ends TypeC interface 105CC are the resistance that resistance value is 0 over the ground, work as IO1=0, and when IO2=1, NMOS tube M1 cut-offs, NMOS tube M2 is led
Logical, the ends TypeC interface 105CC are the resistance that resistance value is 5.1k Ω over the ground.According to the interface standard of TypeC interfaces, when the ends pair CC
When ground is 0 resistance, the TypeC earphones being connected through are analogue type earphone, when the ends CC are over the ground the resistance of 5.1k Ω, are passed through
Its TypeC earphone connected is therefore numeric type earphone may be implemented by mode switch module 103-1 to digital simulation
The mode handover procedure of TypeC earphones 10.
In the present embodiment, when mode switch module 103-1 switches over the pattern of digital simulation TypeC earphones 10
Afterwards, terminal device determines audio number according to the CC end signals via TypeC interfaces 105 and the transmission of the TypeC interfaces of its own
According to transmission mode.It is, when digital simulation TypeC earphones 10 are as analogue type earphone, terminal device is connect by TypeC
Mouth 105 exports analog audio data to switch module 107, when digital simulation TypeC earphones 10 are as numeric type earphone, terminal
Equipment is realized by TypeC interfaces 105 in a manner of usb protocol and is communicated, to 107 output data audio data of switch module.
In the present embodiment, it is the audio data selection output channel for being input to TypeC earphones by switch module 107.
Specifically, as Fig. 2 schematically illustrates the structural principle of switch module 107.Switch module 107 includes input control end IN1
And IN2, audio input end CMO1 and COM2, the pin marked as 2,5,7 and 10 is output pin, corresponds to audio output respectively
NO1, NC1, NC2 and NO2.As shown in the figure, wherein input control end IN1 and IN2 control terminals with processor module 101 respectively
IO3 is connected with IO4 (that is, third control terminal and the 4th control terminal, indicate and the company of being not shown for clarity, only being corresponded to label
Line), audio output NO1 and NO2 are connected to processor module 101, the untreated device modules of audio output NC1 and NC2
101, but connect respectively with the output end IO5 and IO6 of processor module 101.
Specifically, when processor module 101 receives the instruction of the input from client, setting control is instructed according to input
Hold the value of IO3 and IO4.The disclosure is not intended to limit which two pipes that control terminal IO3 and IO4 correspond specifically to processor module 101
Foot, as long as IO3 and IO4 is the output pin different from IO1, IO2, IO5 and IO6.When user passes through mode selection module
When 111 input instructions need analogue type TypeC earphones, the control terminal IO3 and IO4 of processor module 101 are 0, when user is defeated
When entering instruction and needing numeric type TypeC earphones, the control terminal IO3 and IO4 of processor module 101 are 1.
Further, once control terminal IO3 and IO4 are 0, then the input control end IN1 and IN2 of switch module 107 are set
It is set to 0, at this point, switch module 107 selects audio input end COM1 and COM2 to be connected respectively with audio output NC1 and NC2,
That is, analog audio data is directly output to loud speaker 109 via switch module 107, therefore, at this moment loud speaker 109 is transmitted to
User's ear is analog audio data.
On the other hand, once control terminal IO3 and IO4 are 1, then the input control end IN1 and IN2 of switch module 107 are set
It is set to 1, at this point, switch module 107 selects audio input end COM1 and COM2 to be connected respectively with audio output NO1 and NO2,
That is, by the digital audio-frequency data transmitted by usb protocol via the gated transmission of switch module 107 to processor module 101.By
It is configured with codec in processor module 101, therefore, processor module 101 can export audio data again into row decoding processing
To loud speaker 109, therefore, what loud speaker 109 was transmitted to user's ear at this time is digital audio-frequency data.
Therefore, the digital simulation TypeC earphones 10 of the disclosure can be according to the actual needs of user, in analogue type TypeC
Free switching between earphone and numeric type TypeC earphones.To provide more selections to the user, that is, different user can root
Like according to itself, selection uses analogue type earphone or numeric type earphone.Further, since when digital simulation TypeC earphones 10 are in
When simulation model, terminal device is only by TypeC interface functions transmission analog audio data without carrying out usb communication, therefore,
When terminal device electricity is low, user can play audio under the analogue type TypeC headset modes of power saving, provide length to the user
Long broadcasting experience.
The TypeC earphones of the disclosure are not limited to form as Fig. 2, another embodiment as shown in Figure 3, will be in Fig. 2
Shown in mode switch module 103-1 replace with mode switch module 103-2 as shown in Figure 3, formed according to the another of the disclosure
The digital simulation TypeC earphones 10 of one embodiment.Referring to Fig. 3 descriptions according to the digital simulation TypeC earphones 10 of the disclosure
Another embodiment structural principle.
In the present embodiment, in addition to mode switch module 103-2, other structures and operating principle with the structure in Fig. 2
It is identical, therefore, the redundancy description to other parts will be omitted when describing the present embodiment, only describe mode switch module below
The structure and operating principle of 103-2.
In the embodiment shown in fig. 3, the value of control output end IO1 and IO2 are input to pattern and cut by processor module 101
Change the mold block 103-2.The example arrangement of mode switch module 103-2 is shown in figure.One end of resistance R4 is with PMOS tube M3's
Control terminal connects, their common end is connected to the control of processor module 101 as the input terminal of mode switch module 103-2
IO1, one end of resistance R6 is held to be connect with the control terminal of PMOS tube M4, their common end is as mode switch module 103-2's
Another input terminal is connected to the control terminal IO2 of processor module 101, and the source electrode of PMOS tube M3 and one end of R5 connect, and R5's is another
One end is connect with the source electrode of PMOS tube M3, their common end is connected to TypeC as the output end of mode switch module 103-2
The ends CC of interface 105.In addition, the other end of R4, the drain electrode of PMOS tube M3, the drain electrode of the other end of R6, PMOS tube M4 are grounded.
Preferably, the resistance value of R5 is 5.1k Ω.
It is noted that in this case, work as IO1=1, when IO2=0, PMOS tube M3 cut-offs, PMOS tube M4 conductings,
The ends TypeC interface 105CC are the resistance that resistance value is 0 over the ground, work as IO1=0, and when IO2=1, PMOS tube M3 conductings, PMOS tube M4 is cut
Only, the ends TypeC interfaces 105CC are the resistance that resistance value is 5.1k Ω over the ground.According to the interface standard of TypeC interfaces, when the ends pair CC
When ground is 0 resistance, the TypeC earphones being connected through are analogue type earphone, when the ends CC are over the ground the resistance of 5.1k Ω, are passed through
Its TypeC earphone connected is therefore numeric type earphone may be implemented by mode switch module 103 to digital simulation TypeC
The mode handover procedure of earphone 10.
Therefore, the digital simulation TypeC earphones 10 of the disclosure can be according to the actual needs of user, in analogue type TypeC
Free switching between earphone and numeric type TypeC earphones.To provide more selections to the user, that is, different user can root
Like according to itself, selection uses analogue type earphone or numeric type earphone.Further, since when digital simulation TypeC earphones 10 are in
When simulation model, terminal device is only by TypeC interface functions transmission analog audio data without carrying out usb communication, therefore,
When terminal device electricity is low, user can play audio under the analogue type TypeC headset modes of power saving, provide length to the user
Long broadcasting experience.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (10)
1. a kind of digital simulation TypeC earphones, including TypeC interfaces and loud speaker, which is characterized in that the earphone further includes pattern
Selecting module, mode switch module, processor module and switch module,
The switch module receives analog audio data and digital audio-frequency data from TypeC interfaces, by the analogue audio frequency
Data are exported to the loud speaker, and the digital audio-frequency data is exported to the processor module；
The processor module includes codec unit, for being decoded to the digital audio-frequency data, and will pass through decoded sound
Frequency according to output to the loud speaker,
Input of the mode switch module based on the mode selection module, output mode control signal to TypeC interfaces
The ends CC switch the earphone between numeric type earphone and analogue type earphone.
2. digital simulation TypeC earphones as described in claim 1, which is characterized in that the processor module further comprises
Control unit, described control unit receive the input from the mode selection module, pass through the first of the processor module
Control terminal and the second control terminal are connect with the mode switch module.
3. digital simulation TypeC earphones as claimed in claim 2, which is characterized in that described control unit passes through the processing
The third control terminal and the 4th control terminal of device module are connect with the switch module, control the analog audio data or the number
The output of word audio data.
4. digital simulation TypeC earphones as claimed in claim 2, which is characterized in that described control unit passes through the processing
The power end of device module is connect with the switch module, is connect with the TypeC interfaces by ground terminal.
5. digital simulation TypeC earphones as claimed in claim 2, the mode switch module include respectively with the processor
The first input end and the second input terminal of first control terminal of module and the connection of the second control terminal and the ends TypeC interfaces CC
The output end and ground terminal of connection, the mode switch module will to ground resistance by the change ends TypeC interfaces CC
The earphone is used as the numeric type earphone or the analogue type earphone.
6. digital simulation TypeC earphones as claimed in claim 5, which is characterized in that the mode switch module includes first
Metal-oxide-semiconductor, the second metal-oxide-semiconductor and first resistor,
Wherein, the control terminal of first metal-oxide-semiconductor as the first input end and is grounded, the first end of first metal-oxide-semiconductor
It is connect with the ends TypeC interfaces CC, second end ground connection；And
Wherein, the control terminal of second metal-oxide-semiconductor as second input terminal and is grounded, the first end of second metal-oxide-semiconductor
It is connect with the ends TypeC interfaces CC by first resistor device, second end ground connection.
7. digital simulation TypeC earphones as claimed in claim 6, which is characterized in that the mode switch module further includes
Two resistance and 3rd resistor,
Wherein, the control terminal of first metal-oxide-semiconductor is grounded by second resistor；And
Wherein, the control terminal of second metal-oxide-semiconductor is grounded by 3rd resistor device.
8. digital simulation TypeC earphones as claimed in claim 5, which is characterized in that the earphone includes line traffic control switch, the line
Control switch includes the mode selection module.
9. digital simulation TypeC earphones as described in claim 1, which is characterized in that the codec unit passes through usb protocol
Transmit the digital audio-frequency data.
10. digital simulation TypeC earphones as described in claim 1, which is characterized in that the earphone is in access terminal equipment
The numeric type TypeC earphones are defaulted as, the analogue type TypeC is switched to according to the input from the mode selection module
Earphone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485694.6U CN207968826U (en) | 2018-04-08 | 2018-04-08 | A kind of digital simulation TypeC earphones |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348060A (en) * | 2018-11-07 | 2019-02-15 | Oppo广东移动通信有限公司 | A kind of control method and device, equipment |
| CN114582109A (en) * | 2020-11-30 | 2022-06-03 | 深圳富桂精密工业有限公司 | Terminal device |
-
2018
- 2018-04-08 CN CN201820485694.6U patent/CN207968826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348060A (en) * | 2018-11-07 | 2019-02-15 | Oppo广东移动通信有限公司 | A kind of control method and device, equipment |
| CN114582109A (en) * | 2020-11-30 | 2022-06-03 | 深圳富桂精密工业有限公司 | Terminal device |
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