CN107273087A - A kind of audio input/output system based on Type C interface, device and method - Google Patents
A kind of audio input/output system based on Type C interface, device and method Download PDFInfo
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Abstract
A kind of audio input/output system based on Type C interface, device and method, can be converted to the simulated audio signal got the data signal that can be transmitted by Type C interface, and export the data signal being converted to by Type C interface；And/or data signal is obtained by Type C interface, the data signal received is converted into simulated audio signal；That is, can be by the way that simulated audio signal be converted into data signal, realize the input and output of the call audio based on Type C interface, without the extended simulation voice-grade channel in existing Type C interface, hardware design is simple, and can also avoid simulated audio signal by the problem of call audio tonequality is poor caused by noise jamming.
Description
Technical field
The present invention relates to field of terminal technology, more particularly to a kind of audio input/output system based on Type-C interfaces,
Device and method.
Background technology
At present, increasing terminal use Type-C interfaces, due to Type-C interfaces can compatible audio data, because
This, in the implementation of terminal peripheral hardware earphone, eliminates the original analog audio interface of terminal so that the fuselage of terminal is more
Thin, water resistance is more preferable.
The voice-grade channel of terminal is divided into talking path and media channel, the call audio of baseband chip control talking path
Input and output, the input and output of the media audio of application processor control media channel.Wherein, media audio is believed for numeral
Number, call audio is analog signal, and Type-C interfaces are only capable of transmitting data signal, therefore, is realized using Type-C interfaces
In the scheme of terminal peripheral hardware earphone, how the difficult point that scheme is realized is turned into by Type-C interfaces input/output call audio.
For example, being output as example with audio of conversing, first, it is impossible to call audio is converted into digital letter by application processor
Number and be sent to Type-C interfaces.Reason is, when the talking path of terminal is opened, during call audio output, application processor without
Method accesses baseband chip and obtains call audio；Secondly, even if application processor can access baseband chip, but due to application processing
Device reads call audio and is converted to data signal this process and needs the time call audio, and related telecommunication standard
There is strict standard to the line delay up and down of call, therefore, end may result in by application processor conversion call audio
Hold to converse using earphone and do not meet the telecommunication standard of correlation；If the audio in addition, application processor access baseband chip acquisition is conversed,
Application processor is unable to dormancy in whole communication process, and this will cause power consumption of terminal to increase considerably.
In addition, prior art also teaches a kind of Type-C headset solutions, the program compatible ear in Type-C interfaces
Machine analog channel and earphone digital channel, although realize and conversed audio by the input/output of Type-C interfaces, but the program deposits
In following shortcoming：
First, the program compatible analogue audio frequency passage and digital audio channel, causes audio input/output of terminal to set
Standby hardware design is sufficiently complex.Further, since in the layout of terminal, general mainboard (including antenna, baseband chip etc.)
At the top of mobile phone, and Type-C interfaces are located at terminal bottom, now from baseband chip to the analogue audio frequency passage of Type-C interfaces
Cabling is very long, meanwhile, antenna cabling and/or the cabling for having some high currents are also required to extend to Type-C interfaces from mainboard, this
Signal in a little cablings can cause very big interference to simulated audio signal, cause final Type-C earphones analogue audio frequency input/it is defeated
The tonequality gone out is poor.
The content of the invention
The embodiments of the invention provide a kind of audio input/output system based on Type-C interfaces, device and method, use
To solve, existing terminal is difficult to be based on Type-C interfaces input/output call audio or implementation complexity, tonequality are poor
The problem of.
On the one hand the embodiment of the present invention provides a kind of audio input/output system based on Type-C interfaces, including sound
Frequency input-output apparatus and audio conversion devices, wherein：
The audio input/output device, can be by Type-C interfaces for the simulated audio signal got to be converted to
The data signal of transmission, and pass through Type-C interface output digit signals；
The audio conversion devices, the data signal for receiving Type-C interfaces output, and by the number received
Word signal is converted to simulated audio signal；And/or
The audio conversion devices, for the simulated audio signal got to be converted into what can be transmitted by Type-C interfaces
Data signal, and by Type-C interfaces to the audio input/output device output digit signals；
The audio input/output device, for receiving the data signal of the Type-C interfaces output, and will be received
Data signal be converted to simulated audio signal.
On the other hand the embodiment of the present invention additionally provides a kind of audio input/output device based on Type-C interfaces, wraps
Audio signal processing unit and Type-C interfaces are included, wherein：
The audio signal processing unit, turns for obtaining simulated audio signal, and by the simulated audio signal got
It is changed to the data signal that can be transmitted by Type-C interfaces；
The Type-C interfaces, for exporting the data signal being converted to by the audio signal processing unit；And/or
The Type-C interfaces, for receiving data signal；
The audio signal processing unit, for the data signal received to be converted into simulated audio signal.
The another aspect of the embodiment of the present invention additionally provides a kind of audio input/output intent based on Type-C interfaces, institute
The method of stating includes：
Obtain simulated audio signal；
The simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces；
The data signal being converted to is exported by Type-C interfaces；And/or
Data signal is obtained by Type-C interfaces；
The data signal received is converted into simulated audio signal；
Export the simulated audio signal being converted to.
The present invention has the beneficial effect that：
, can the embodiments of the invention provide a kind of audio input/output system based on Type-C interfaces, device and method
The simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces, and exported by Type-C interfaces
The data signal being converted to；And/or data signal is obtained by Type-C interfaces, the data signal received is converted into mould
Intend audio signal；That is, can be realized logical based on Type-C interfaces by the way that simulated audio signal is converted into data signal
The input and output of speech frequency, without the extended simulation voice-grade channel in existing Type-C interfaces, hardware design is simple, and also
Simulated audio signal can be avoided by the problem of call audio tonequality is poor caused by noise jamming.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
The structure for the audio input/output system based on Type-C interfaces that Fig. 1 is shown in the embodiment of the present invention one is shown
It is intended to；
Fig. 2 show the structural representation of the audio input/output device in the embodiment of the present invention one；
Fig. 3 show a kind of concrete structure schematic diagram of the audio signal processing unit in the embodiment of the present invention one；
Fig. 4 show a kind of applicable schematic diagram of a scenario of the audio signal processing unit in the embodiment of the present invention one；
Fig. 5 show a kind of structural representation of the audio conversion devices in the embodiment of the present invention one；
Fig. 6 show another structural representation of the audio conversion devices in the embodiment of the present invention one；
The step of Fig. 7 show audio input/output intent based on Type-C interfaces in the embodiment of the present invention three is flowed
Cheng Tu；
Fig. 8 show the another of audio input/output intent based on Type-C interfaces in the embodiment of the present invention three
Flow chart of steps.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Embodiment one：
The embodiment of the present invention one provides a kind of audio input/output system based on Type-C interfaces, is applicable to intelligence
The input and output of the audios of terminal such as energy mobile phone, tablet personal computer and intelligent watch.Specifically, as shown in figure 1, it is this hair
The structural representation of system described in bright embodiment one, it may include audio input/output device 101 and audio conversion devices
102, wherein：
In the scene that terminal audio frequency is exported, the audio input/output device 101, available for by the simulation got
Audio signal is converted to the data signal that can be transmitted by Type-C interfaces, and passes through Type-C interface output digit signals；It is described
Audio conversion devices 102, turn available for the data signal for receiving Type-C interfaces output, and by the data signal received
It is changed to simulated audio signal；
In the scene that terminal audio frequency is inputted, the audio conversion devices 102 are believed available for by the analogue audio frequency got
Number be converted to the data signal that can be transmitted by Type-C interfaces, and by Type-C interfaces to the audio input/output device
101 output digit signals；The audio input/output device 101, available for the numeral letter for receiving the Type-C interfaces output
Number, and the data signal received is converted into simulated audio signal.
That is, the call based on Type-C interfaces can be realized by the way that simulated audio signal is converted into data signal
The input and output of audio, without the extended simulation voice-grade channel in existing Type-C interfaces, hardware design is simple, and may be used also
Simulated audio signal is avoided by the problem of call audio tonequality is poor caused by noise jamming.
Alternatively, as shown in Fig. 2 the audio input/output device 101 may include：The He of audio signal processing unit 201
Type-C interfaces 202, wherein：
In the scene that terminal audio frequency is exported, the audio signal processing unit 201 is believed available for analogue audio frequency is obtained
Number, and the simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces 202；The Type-C connects
Mouth 202, the data signal being converted to available for output by the audio signal processing unit 201；
In the scene that terminal audio frequency is inputted, the Type-C interfaces 202, available for reception data signal；The audio
Signal processing unit 201, simulated audio signal is converted to available for by the data signal received.
It should be noted that audio signal processing unit 201 can be integrated in smart mobile phone, tablet personal computer and intelligent watch
On main circuit board etc. terminal, audio signal processing unit 201 is electrically connected with baseband chip.Baseband chip is used for control terminal
The input and output of audio of conversing (simulated audio signal), therefore, in the scene that terminal audio frequency is exported, Audio Signal Processing list
The call audio that member 201 can export baseband chip is converted to the data signal that can be transmitted by Type-C interfaces 202；In terminal sound
In the scene of frequency input, audio signal processing unit 201 can be converted to the data signal received by Type-C interfaces 202
Simulated audio signal is simultaneously transferred to baseband chip.
Still optionally further, can as shown in figure 3, it is a kind of concrete structure schematic diagram of audio signal processing unit 201
Including：First coder 301 and the first USB (Universal Serial Bus, USB) converter 302, its
In：
In the scene that terminal audio frequency is exported, first coder 301, available for the mould for receiving baseband chip output
Intend audio signal, and the simulated audio signal received is converted to the digital audio-frequency data of setting form, and to described the
The digital audio-frequency data of one USB converter 302 output setting form；First USB converter 302, available for will receive
The digital audio-frequency data of setting form be converted to USB differential signals；
In the scene that terminal audio frequency is inputted, first USB converter 302, available for by the Type-C interfaces 202
The USB differential signals received are converted to the digital audio-frequency data of setting form；First coder 301, available for connecing
The digital audio-frequency data for the setting form that first USB converter 302 is exported is received, the digital audio-frequency data for setting form is turned
Simulated audio signal is changed to, and simulated audio signal is exported to baseband chip.
Alternatively, concretely based on I2S buses, (Inter-ICSound is total for the digital audio-frequency data of the setting form
Line, integrated circuit built-in audio bus) standard digital audio-frequency data, first coder 301 can use coder
(COder-DECoder) chip is realized, first USB converter 302 can be realized using audio bridging chip.In terminal audio frequency
In the scene of output, the simulated audio signal of baseband chip output can be converted to I2S signals by coder chip first, then
USB differential signals are converted to by audio bridging chip, finally by the outlet terminal of Type-C interfaces 202；It is defeated in terminal audio frequency
In the scene entered, the USB differential signals received by Type-C interfaces 202 can be converted to I2S signals by audio bridging chip,
The I2S signals that audio bridging chip is exported are converted to simulated audio signal again and exported to baseband chip by coder chip.
It should be noted that first coder 301 and first USB converter 302 can also use other
Logic chip with identical function is realized；In addition, first coder 301 and first USB converter 302 can
It is integrated in the respective discrete logic chip set respectively, may alternatively be integrated within same logic chip, the present embodiment is herein not
It is limited in any way.For example, first coder 301 and first USB converter 302 can have conversion using same
I2S signals and the coder chip of USB differential signal translation functions are realized, in the scene that terminal audio frequency is exported, can be passed through
The simulated audio signal that baseband chip is exported is converted to I2S signals by the chip, is reconverted into USB differential signals, finally by
The outlet terminal of Type-C interfaces 202, the present embodiment will not be repeated here.
Still optionally further, as shown in figure 4, in the scene that terminal audio frequency is exported, first USB converter 302 is gone back
Available for receive application processor output setting form digital audio-frequency data, and by receive setting form digital sound
Frequency evidence is converted to USB differential signals；
In the scene that terminal audio frequency is inputted, first USB converter 302 can be additionally operable to the Type-C interfaces
The 202 USB differential signals received are converted to the digital audio-frequency data of setting form, and the digital audio-frequency data that will set form
Export to application processor；
Wherein, the application processor is used for the input and output of the media audio of control terminal.
That is, in the scene that terminal audio frequency is exported, the I2S signals of application processor output directly can pass through audio
Bridging chip is converted to USB differential signals, then is exported by Type-C interfaces 202；In the scene that terminal audio frequency is inputted, audio
The USB differential signals that bridging chip can receive Type-C interfaces 202 are converted to I2S signals, and are directly output to using place
Manage device.
Optionally as well, as shown in figure 4, in the scene that terminal audio frequency is exported, application processor also can be by media audio
Export to first coder 301, first coder 301 determines that the signal received is digital audio and video signals,
Then directly the digital audio and video signals received are exported to first USB converter 302, by first USB converter 302
The digital audio-frequency data received is converted into USB differential signals；In the scene that terminal audio frequency is inputted, first coding and decoding
The digital audio and video signals that device 301 directly can export first USB converter 302 are sent to application processor.That is,
For the input and output of media audio, can without by coder, need to only be performed by audio bridging chip I2S signals with
The mutual conversion of USB differential signals；The input and output of media audio also can be by coders, and coder is it is determined that receive
During to media audio (digital audio and video signals), any processing can not be made, forwarding operation is only carried out.
Alternatively, as shown in figure 5, the audio conversion devices 102 may include：Type-C plugs 501, the 2nd USB conversions
Device 502, the second coder 503, and analog audio interface 504, wherein：
In the scene that terminal audio frequency is exported, the Type-C plugs 501, available for receiving the Type-C interfaces 202
The USB differential signals of output；Second USB converter 502, setting is converted to available for by the USB received differential signals
The digital audio-frequency data of form；Second coder 503, available for be converted to second USB converter 502
The digital audio-frequency data of setting form is converted to simulated audio signal；The analog audio interface 504, available for output analog audio
Frequency signal；
In the scene that terminal audio frequency is inputted, the analog audio interface 504, available for reception simulated audio signal；Institute
The second coder 503 is stated, available for the digital audio-frequency data that the simulated audio signal received is converted to setting form；Institute
The second USB converter 502 is stated, USB differential signals are converted to available for by the digital audio-frequency data of the setting received form；Institute
Type-C plugs 501 are stated, USB differential signals are exported available for the Type-C interfaces 202.
Alternatively, the digital audio-frequency data concretely DAB number based on I2S bus standards of the setting form
According to second USB converter 502 can be audio bridging chip, and the second coder 503 can be coder chip.Also
It is to say, in the scene that terminal audio frequency is exported, audio conversion devices 102 can pass through the receiving terminal of Type-C plugs 501 first
The USB differential signals that Type-C interfaces 202 are exported, then USB differential signals are converted to by I2S signals by audio bridging chip,
I2S signals are converted to by simulated audio signal by coder chip again, finally, by analog audio interface 504 export to
The equipment such as sound equipment, earphone are played out；In the scene that terminal audio frequency is inputted, audio conversion devices 102 can pass through compiling first
The simulated audio signal inputted by analog audio interface 504 is converted to I2S signals by code device chip, then passes through audio bridging chip
I2S signals are converted into USB differential signals, are transferred to finally by the Type-C interfaces 202 of Type-C plugs 501 and terminal
Terminal.
It should be noted that second coder 503 and second USB converter 502 can also use other
Logic chip with identical function is realized；In addition, second coder 503 and second USB converter 502 can
It is integrated in the respective discrete logic chip set respectively, may alternatively be integrated within same logic chip, the present embodiment is herein not
It is limited in any way.
Optionally as well, as shown in fig. 6, the audio conversion devices 102 may also include：Type-C plugs 501, second
The coding and decoding 503 of USB converter 502 and second, in addition to loudspeaker 604 or microphone 605, wherein：
In the scene that terminal audio frequency is exported, the Type-C plugs 501, available for receiving the Type-C interfaces 202
The USB differential signals of output；Second USB converter 502, setting is converted to available for by the USB received differential signals
The digital audio-frequency data of form；Second coder 503, available for be converted to second USB converter 502
The digital audio-frequency data of setting form is converted to simulated audio signal；The loudspeaker 604, available for second coding and decoding
The simulated audio signal that device 503 is exported is played out；
In the scene that terminal audio frequency is inputted, the microphone 605 is converted to mould available for by the voice signal collected
Intend audio signal；Second coder 503, available for the number that the simulated audio signal received is converted to setting form
Word voice data；Second USB converter 502, is converted to available for by the digital audio-frequency data of the setting received form
USB differential signals；The Type-C plugs 501, USB differential signals are exported available for the Type-C interfaces 202.
That is, the audio conversion devices 102 that the present embodiment is provided, may be configured as possessing earphone analog interface
The audio crossover sub of (analog audio interface 504), is realized and base for existing simulation earphone by the audio crossover sub
In the communication of the terminal of Type-C interfaces；The audio conversion devices 102 may also be configured to simulated audio signal play and/
Or the new Type-C interface headphones of acquisition function, the present embodiment is not limited in any way herein.
Still optionally further, second coder 503 can also be used to perform plug detection and/or button detection, will
The plug signal and/or push button signalling got is exported to second USB converter 502, by second USB converter
Plug signal and/or push button signalling are converted into USB differential signals to be transferred to terminal by Type-C interfaces 202 by 502.It is described
Similarly to the prior art, the present embodiment is herein not for the executive mode of plug detection and/or the button detection of second coder 503
Repeat again.
Audio based on Type-C interfaces described in by taking different usage scenarios as an example, providing below the present embodiment is defeated
Enter/output system is described in detail：
Example one：
The audio input/output device that certain termination set cost implementation is provided, and the terminal passes through Type-C interfaces
It is connected with the audio conversion devices of peripheral hardware.Then terminal performs local telephone network call, for example, the output procedure of call audio can be：
Step A1：Baseband chip exports the simulated audio signal received the coding and decoding to audio input/output device
Device；
Step A2：The simulated audio signal got is converted to I2S letters by the coder of audio input/output device
Number, and the audio bridging chip by the I2S signal outputs being converted to audio input/output device；
Step A3：I2S signals are converted to USB differential signals by the audio bridging chip of audio input/output device；
Step A4：USB differential signals are exported to audio conversion devices by Type-C interfaces；
Step A5：The USB differential signals got are converted to I2S signals by the audio bridging chip of audio conversion devices,
And export coder to audio conversion devices；
Step A6：I2S signals are converted to simulated audio signal by the coder of audio conversion devices, and are transmitted to audio
The loudspeaker of conversion equipment；
Step A7：The loudspeaker of audio conversion devices is played out to the simulated audio signal got.
Example two：
The audio input/output device that certain termination set cost implementation is provided, and the terminal passes through Type-C interfaces
It is connected with the audio conversion devices of peripheral hardware.Then terminal performs Internet phone-calling, for example, the input process of wechat voice (media audio)
Can be：
Step B1：The microphone of audio conversion devices is acquired acquisition simulated audio signal to voice signal；
Step B2：The simulated audio signal got is converted to I2S signals by the coder of audio conversion devices, and defeated
Go out the audio bridging chip to audio conversion devices；
Step B3：I2S signals are converted to USB differential signals by the audio bridging chip of audio conversion devices；
Step B4：USB differential signals are inputted to audio input/output device by Type-C interfaces；
Step B5：USB differential signals are converted to I2S signals by the audio bridging chip of audio input/output device, and defeated
Go out to application processor；
Step B6：Application processor carries out wechat phonetic entry according to the I2S signals got.
In summary, the audio input/output system provided in an embodiment of the present invention based on Type-C interfaces, will can be obtained
To simulated audio signal be converted to the data signal that can be transmitted by Type-C interfaces, and changed by the output of Type-C interfaces
The data signal arrived；And/or data signal is obtained by Type-C interfaces, the data signal received is converted into analogue audio frequency
Signal；That is, the call audio based on Type-C interfaces can be realized by the way that simulated audio signal is converted into data signal
Input and output, without the extended simulation voice-grade channel in existing Type-C interfaces, hardware design is simple, and can also avoid
Simulated audio signal is by the problem of call audio tonequality is poor caused by noise jamming.
Embodiment two：
Based on same inventive concept, the embodiment of the present invention two provide a kind of audio input based on Type-C interfaces/
Output equipment, can be integrated in the terminals such as smart mobile phone, tablet personal computer and intelligent watch, for terminal audio input and
Output.Specifically, as shown in Fig. 2 it is the structural representation of equipment described in the embodiment of the present invention two, it may include audio signal
Processing unit 201 and Type-C interfaces 202, wherein：
The audio signal processing unit 201, for obtaining simulated audio signal, and by the simulated audio signal got
Be converted to the data signal that can be transmitted by Type-C interfaces；
The Type-C interfaces, for exporting the data signal being converted to by the audio signal processing unit 201；
And/or
The Type-C interfaces, for receiving data signal；
The audio signal processing unit 201, for the data signal received to be converted into simulated audio signal.
Alternatively, the audio signal processing unit 201 may include：Coder and USB converter, wherein：
The coder, the simulated audio signal for receiving baseband chip output, and by the analogue audio frequency received
Signal is converted to the digital audio-frequency data of setting form, and the DAB number for setting form is exported to the USB converter
According to；
The USB converter, for the digital audio-frequency data of the setting received form to be converted into USB differential signals；
And/or
The USB converter, for by the Type-C interfaces to USB differential signals be converted to setting form
Digital audio-frequency data；
The coder, the digital audio-frequency data of the setting form for receiving the USB converter output, will set
The digital audio-frequency data of form is converted to simulated audio signal, and simulated audio signal is exported to baseband chip；
Wherein, the baseband chip is used for the input and output of the call audio of control terminal.
Still optionally further, the USB converter, it may also be used for receive the numeral of the setting form of application processor output
Voice data, and the digital audio-frequency data of the setting form received is converted into USB differential signals；And/or
The USB converter, it may also be used for by the Type-C interfaces to USB differential signals be converted to setting lattice
The digital audio-frequency data of formula, and the digital audio-frequency data for setting form is exported to application processor；
Wherein, the application processor is used for the input and output of the media audio of control terminal.
The concrete function for the audio input/output device based on Type-C interfaces that the present embodiment is provided can be found in embodiment
For the description of the audio input/output device 201 based on Type-C interfaces in one, the present embodiment will not be repeated here.
In summary, the audio input/output device provided in an embodiment of the present invention based on Type-C interfaces, will can be obtained
To simulated audio signal be converted to the data signal that can be transmitted by Type-C interfaces, and changed by the output of Type-C interfaces
The data signal arrived；And/or data signal is obtained by Type-C interfaces, the data signal received is converted into analogue audio frequency
Signal；That is, the call audio based on Type-C interfaces can be realized by the way that simulated audio signal is converted into data signal
Input and output, without the extended simulation voice-grade channel in existing Type-C interfaces, hardware design is simple, and can also avoid
Simulated audio signal is by the problem of call audio tonequality is poor caused by noise jamming.
Embodiment three：
Based on same inventive concept, the embodiment of the present invention three provide a kind of audio input based on Type-C interfaces/
Output intent, is applicable to input and the output control of the audio of the terminals such as smart mobile phone, tablet personal computer and intelligent watch.Institute
The subject of implementation for stating method can be the audio input/output device based on Type-C interfaces being integrated in terminal.Specifically, such as
Shown in Fig. 7, it is the step flow chart of method described in the embodiment of the present invention three, it may include：
Step 701：Obtain simulated audio signal；
Step 702：The simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces；
Step 703：The data signal being converted to is exported by Type-C interfaces.
As shown in figure 8, method may also comprise described in the embodiment of the present invention three：
Step 801：Data signal is obtained by Type-C interfaces；
Step 802：The data signal received is converted into simulated audio signal；
Step 803：Export the simulated audio signal being converted to.
Alternatively, the simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces, can be had
Body includes：
The simulated audio signal that the baseband chip got is exported is converted to the digital audio-frequency data of setting form；
The digital audio-frequency data for setting form is converted into USB differential signals；
Optionally as well, the data signal received is converted into simulated audio signal, exports the analog audio being converted to
Frequency signal, may particularly include：
By the Type-C interfaces to USB differential signals be converted to setting form digital audio-frequency data；
The digital audio-frequency data for setting form is converted into simulated audio signal；
The simulated audio signal being converted to is exported to baseband chip；
Wherein, the baseband chip is used for the input for controlling the call audio of Type-C interfaces place terminal and defeated
Go out.
Alternatively, methods described may also include：
Obtain the digital audio-frequency data of the setting form of application processor output；
The digital audio-frequency data of the setting form got is converted into USB differential signals；And/or
By the Type-C interfaces to USB differential signals be converted to setting form digital audio-frequency data；
The digital audio-frequency data for setting form is exported to application processor；
Wherein, the application processor is used for the input for controlling the media audio of Type-C interfaces place terminal and defeated
Go out.
In summary, audio input/output intent provided in an embodiment of the present invention based on Type-C interfaces, will can be obtained
To simulated audio signal be converted to the data signal that can be transmitted by Type-C interfaces, and changed by the output of Type-C interfaces
The data signal arrived；And/or data signal is obtained by Type-C interfaces, the data signal received is converted into analogue audio frequency
Signal；That is, the call audio based on Type-C interfaces can be realized by the way that simulated audio signal is converted into data signal
Input and output, without the extended simulation voice-grade channel in existing Type-C interfaces, hardware design is simple, and can also avoid
Simulated audio signal is by the problem of call audio tonequality is poor caused by noise jamming.
It should be noted that any number of elements in drawing and description is used to example and unrestricted and any
Name is only used for distinguishing, without any limitation.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can be using complete hardware embodiment, complete software embodiment or combination software and hardware
The form of embodiment.Moreover, the present invention can be used in one or more calculating for wherein including computer usable program code
The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow chart with reference to method according to embodiments of the present invention, device (equipment) and computer program product
And/or block diagram is described.It should be understood that can be by each flow in computer program instructions implementation process figure and/or block diagram
And/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided to refer to
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is made to produce
One machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of audio input/output system based on Type-C interfaces, it is characterised in that including audio input/output device
And audio conversion devices, wherein：
The audio input/output device, for being converted to and can be transmitted by Type-C interfaces the simulated audio signal got
Data signal, and pass through Type-C interface output digit signals；
The audio conversion devices, the data signal for receiving the Type-C interfaces output, and the numeral received is believed
Number be converted to simulated audio signal；And/or
The audio conversion devices, for the simulated audio signal got to be converted into the numeral that can be transmitted by Type-C interfaces
Signal, and by Type-C interfaces to the audio input/output device output digit signals；
The audio input/output device, the data signal for receiving Type-C interfaces output, and by the number received
Word signal is converted to simulated audio signal.
2. the audio input/output system as claimed in claim 1 based on Type-C interfaces, it is characterised in that the audio
Input-output apparatus includes：Audio signal processing unit and Type-C interfaces, the audio signal processing unit include：First
Coder and the first USB converter, wherein：
First coder, the simulated audio signal for receiving baseband chip output, and by the analogue audio frequency received
Signal is converted to the digital audio-frequency data of setting form, and the digital sound for setting form is exported to first USB converter
Frequency evidence；
First USB converter, for the digital audio-frequency data of the setting received form to be converted into USB differential signals；
And/or
First USB converter, for by the Type-C interfaces to USB differential signals be converted to setting form
Digital audio-frequency data；
First coder, the digital audio-frequency data of the setting form for receiving the first USB converter output, will
The digital audio-frequency data of setting form is converted to simulated audio signal, and simulated audio signal is exported to baseband chip；
Wherein, the baseband chip is used for the input and output of the call audio of control terminal.
3. the audio input/output system as claimed in claim 2 based on Type-C interfaces, it is characterised in that
First USB converter, is additionally operable to receive the digital audio-frequency data of the setting form of application processor output, and will connect
The digital audio-frequency data of the setting form received is converted to USB differential signals；And/or
First USB converter, be additionally operable to by the Type-C interfaces to USB differential signals be converted to setting form
Digital audio-frequency data, and by set form digital audio-frequency data export to application processor；
Wherein, the application processor is used for the input and output of the media audio of control terminal.
4. the audio input/output system as claimed in claim 1 based on Type-C interfaces, it is characterised in that the audio
Conversion equipment includes：Type-C plugs, the second USB converter, the second coder, and analog audio interface, wherein：
The Type-C plugs, the USB differential signals for receiving the Type-C interfaces output；
Second USB converter, the digital audio-frequency data for the USB received differential signals to be converted to setting form；
Second coder, for the digital audio-frequency data for the setting form for being converted to second USB converter
Be converted to simulated audio signal；
The analog audio interface, for exporting simulated audio signal；And/or
The analog audio interface, for receiving simulated audio signal；
Second coder, the digital audio-frequency data for the simulated audio signal received to be converted to setting form；
Second USB converter, for the digital audio-frequency data of the setting received form to be converted into USB differential signals；
The Type-C plugs, for exporting USB differential signals to the Type-C interfaces.
5. the audio input/output system as claimed in claim 1 based on Type-C interfaces, it is characterised in that the audio
Conversion equipment includes：Type-C plugs, the second USB converter and the second coder, the audio conversion devices also include
Loudspeaker and/or microphone, wherein：
The Type-C plugs, the USB differential signals for receiving the Type-C interfaces output；
Second USB converter, the digital audio-frequency data for the USB received differential signals to be converted to setting form；
Second coder, for the digital audio-frequency data for the setting form for being converted to second USB converter
Be converted to simulated audio signal；
The loudspeaker, for being played out to the simulated audio signal that second coder is exported；And/or
The microphone, for the voice signal collected to be converted into simulated audio signal；
Second coder, the digital audio-frequency data for the simulated audio signal received to be converted to setting form；
Second USB converter, for the digital audio-frequency data of the setting received form to be converted into USB differential signals；
The Type-C plugs, for exporting USB differential signals to the Type-C interfaces.
6. a kind of audio input/output device based on Type-C interfaces, it is characterised in that including audio signal processing unit and
Type-C interfaces, wherein：
The audio signal processing unit, is converted to for obtaining simulated audio signal, and by the simulated audio signal got
The data signal that can be transmitted by Type-C interfaces；
The Type-C interfaces, for exporting the data signal being converted to by the audio signal processing unit；And/or
The Type-C interfaces, for receiving data signal；
The audio signal processing unit, for the data signal received to be converted into simulated audio signal.
7. the audio input/output device as claimed in claim 6 based on Type-C interfaces, it is characterised in that the audio
Signal processing unit includes：Coder and USB converter, wherein：
The coder, the simulated audio signal for receiving baseband chip output, and by the simulated audio signal received
The digital audio-frequency data of setting form is converted to, and the digital audio-frequency data for setting form is exported to the USB converter；
The USB converter, for the digital audio-frequency data of the setting received form to be converted into USB differential signals；And/or
The USB converter, for by the Type-C interfaces to USB differential signals be converted to setting form numeral
Voice data；
The coder, the digital audio-frequency data of the setting form for receiving the USB converter output, will set form
Digital audio-frequency data be converted to simulated audio signal, and simulated audio signal is exported to baseband chip；
Wherein, the baseband chip is used for the input and output of the call audio of control terminal.
8. the audio input/output device based on Type-C interfaces as described in right wants 7, it is characterised in that
The USB converter, is additionally operable to receive the digital audio-frequency data of the setting form of application processor output, and will receive
The digital audio-frequency data of setting form be converted to USB differential signals；And/or
The USB converter, be additionally operable to by the Type-C interfaces to USB differential signals be converted to setting form number
Word voice data, and the digital audio-frequency data for setting form is exported to application processor；
Wherein, the application processor is used for the input and output of the media audio of control terminal.
9. a kind of audio input/output intent based on Type-C interfaces, it is characterised in that methods described includes：
Obtain simulated audio signal；
The simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces；
The data signal being converted to is exported by Type-C interfaces；And/or
Data signal is obtained by Type-C interfaces；
The data signal received is converted into simulated audio signal；
Export the simulated audio signal being converted to.
10. audio input/output intent as claimed in claim 9 based on Type-C interfaces, it is characterised in that
The simulated audio signal got is converted to the data signal that can be transmitted by Type-C interfaces, specifically included：
The simulated audio signal that the baseband chip got is exported is converted to the digital audio-frequency data of setting form；
The digital audio-frequency data for setting form is converted into USB differential signals；
The data signal received is converted into simulated audio signal, the simulated audio signal being converted to is exported, specifically includes：
By the Type-C interfaces to USB differential signals be converted to setting form digital audio-frequency data；
The digital audio-frequency data for setting form is converted into simulated audio signal；
The simulated audio signal being converted to is exported to baseband chip；
Wherein, the baseband chip is used for the input and output of the call audio of terminal where controlling the Type-C interfaces.
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