CN103596108B - A kind of audio repeating system and device - Google Patents
A kind of audio repeating system and device Download PDFInfo
- Publication number
- CN103596108B CN103596108B CN201310538131.0A CN201310538131A CN103596108B CN 103596108 B CN103596108 B CN 103596108B CN 201310538131 A CN201310538131 A CN 201310538131A CN 103596108 B CN103596108 B CN 103596108B
- Authority
- CN
- China
- Prior art keywords
- audio
- tones
- analogue signal
- interface
- line interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
This application discloses a kind of audio repeating system and device, described audio repeating system includes: audio switching device and U-shield；Described audio switching device includes: the first audio interface, voicefrequency circuit and first line interface；Described U-shield includes: the second line interface and encoding and decoding MCU unit.Described audio switching device includes: the first audio interface, voicefrequency circuit and first line interface.The application utilizes the encoding and decoding MCU unit in U-shield to realize the encoding and decoding of audio signal, need not arrange encoding and decoding MCU unit and just can realize and the voice communication of the mobile terminals such as mobile phone, reduce the cost of audio switching device in audio switching device.
Description
Technical field
The application relates to data security arts, is specifically related to a kind of audio repeating system and device.
Background technology
Along with the development of communication technology, the effect of network is increasing, not only can pass through network browsing net
Page obtains various information, but also can pass through Internet chat, do shopping, remittance etc..In order to ensure to pass through
Shopping at network, the safety of remittance, occur in that various safety equipment, such as U-shield (USB Key) etc..Its
In, U-shield is a kind of device that can realize electronic signature, and U-shield main flow in early days is to support that USB leads to
Letter, and within nearly 2 years, start to occur i.e. supporting the U-shield that usb communication supports voice communication.I.e. support USB
The U-shield of voice communication is supported again in communication, both with USB interface also with audio interface, so both propping up
Hold the usb communication with computer also to support and the voice communication of the mobile terminals such as mobile phone.But i.e. support USB
Communication supports that again the shortcoming of the U-shield of voice communication is that cost is higher, for need not the use of audio interface
For family, need to pay extra cost.So occurring in that a kind of audio switching device, common U later
After this audio switching device plugged by shield, it is possible to carry out voice communication with mobile terminals such as mobile phones.Right
For the user that need not audio interface, audio switching device can be bought.
Existing audio switching device is provided with encoding and decoding MCU(Micro Control Unit, microcontroller
Unit) unit, is entered the audio signal of output in the mobile terminals such as mobile phone by encoding and decoding MCU unit
It is sent to U-shield after row decoding, by codec chip, the signal of communication of output in U-shield is encoded
After be sent to the mobile terminals such as mobile phone, thus realize and the voice communication of the mobile terminal such as mobile phone.
But, during realizing the present invention, inventor finds that existing audio switching device needs to arrange
Encoding and decoding MCU unit could realize and the voice communication of the mobile terminal such as mobile phone, audio switching device
Cost is higher.
Summary of the invention
Technical problems to be solved in this application are to provide a kind of audio repeating system and device, utilize U
Encoding and decoding MCU unit in shield realizes the encoding and decoding of audio signal, need not set in audio switching device
Put encoding and decoding MCU unit just can realize and the voice communication of the mobile terminals such as mobile phone, reduce audio frequency
The cost of switching device, thus solve existing audio switching device and need to arrange encoding and decoding MCU unit
Could realize and the voice communication of the mobile terminal such as mobile phone, higher the asking of cost of audio switching device
Topic.
In order to solve the problems referred to above, this application discloses a kind of audio repeating system, described audio repeating system
System includes: audio switching device and U-shield；
Described audio switching device includes: the first audio interface, voicefrequency circuit and first line interface；
Described U-shield includes: the second line interface and encoding and decoding MCU unit；
Wherein, described first audio interface, respectively with the audio interface of mobile terminal, and described audio frequency
Circuit is connected, for receiving the downstream tones analogue signal of the audio interface output of described mobile terminal,
Described downstream tones analogue signal is sent to described voicefrequency circuit；
Described voicefrequency circuit, is connected with described first audio interface and described first line interface respectively,
For receiving the described downstream tones analogue signal that described first audio interface sends, to described downstream tones
Analogue signal simulation processes, and sends the described downstream tones analogue signal after simulation process to described
First line interface；
Described first line interface, is connected with described voicefrequency circuit and described second line interface respectively,
Described downstream tones analogue signal after receiving the simulation process that described voicefrequency circuit sends, will simulation
Described downstream tones analogue signal after process sends to described second line interface；
Second line interface, is connected with described first line interface and described encoding and decoding MCU unit respectively
Connect, the described downstream tones simulation letter after receiving the simulation process that described first line interface sends
Number, the described downstream tones analogue signal after simulation process is sent to described encoding and decoding MCU unit；
Described encoding and decoding MCU unit, is connected with described second line interface, is used for receiving described
Described downstream tones analogue signal after the simulation process that two line interfaces send, to the institute after simulation process
State downstream tones analogue signal to carry out audio decoder and obtain downstream tones digital signal.
Further, described encoding and decoding MCU unit, it is additionally operable to upstream tones digital signal is carried out sound
Frequency coding, obtains upstream tones analogue signal, sends described upstream tones analogue signal to described second
Line interface；
Described second line interface, is additionally operable to receive the described up of described encoding and decoding MCU unit transmission
Audio analog signals, sends described upstream tones analogue signal to described first line interface；
Described first line interface, is additionally operable to receive the described upstream tones that described second line interface sends
Analogue signal, sends described upstream tones analogue signal to described voicefrequency circuit；
Described voicefrequency circuit, is additionally operable to receive the described upstream tones simulation that described first line interface sends
Signal, processes described upstream tones analogue signal simulation, by the described up sound after simulation process
Frequently analogue signal sends to described first audio interface；
Described first audio interface, be additionally operable to receive after the simulation process that described voicefrequency circuit sends is described
Upstream tones analogue signal, by the described upstream tones analogue signal after simulation process by described mobile whole
The audio interface of end sends to described mobile terminal.
Further, described audio switching device also includes: power module；
Wherein, described power module, it is connected with described voicefrequency circuit, for carrying for described voicefrequency circuit
For electric energy.
Further, described audio switching device also includes: power module；
Wherein, described power module, it is connected with described voicefrequency circuit and described first line interface respectively,
For providing electric energy for described voicefrequency circuit, and connect by described first line interface and described second circuit
Mouth provides electric energy for described encoding and decoding MCU unit.
Further, in described first audio interface including at least power line, ground wire, upward signal line and
Downstream signal line；In described second audio interface including at least power line, ground wire, upward signal line and under
Row signal line.
In order to solve the problems referred to above, disclosed herein as well is a kind of audio switching device, described audio repeating
Device includes: the first audio interface, voicefrequency circuit and first line interface；
Wherein, described first audio interface, respectively with the audio interface of mobile terminal, and described audio frequency
Circuit is connected, for receiving the downstream tones analogue signal of the audio interface output of described mobile terminal,
Described downstream tones analogue signal is sent to described voicefrequency circuit；
Described voicefrequency circuit, is connected with described first audio interface and described first line interface respectively,
For receiving the described downstream tones analogue signal that described first audio interface sends, to described downstream tones
Analogue signal simulation processes, and sends the described downstream tones analogue signal after simulation process to described
First line interface；
Described first line interface, the second line interface with described voicefrequency circuit and U-shield is connected respectively
Connect, the described downstream tones analogue signal after receiving the simulation process that described voicefrequency circuit sends, will
Described downstream tones analogue signal after simulation process sends to described second line interface so that described the
Described downstream tones analogue signal after simulation process is sent the volume solution to described U-shield by two line interfaces
Code MCU unit, by described descending to after simulation process of the encoding and decoding MCU unit of described U-shield
Audio analog signals carries out audio decoder and obtains downstream tones digital signal.
Further, described first line interface, it is additionally operable to receive the institute that described second line interface sends
State upstream tones analogue signal, described upstream tones analogue signal is sent to described voicefrequency circuit；Wherein,
Described upstream tones analogue signal is digital to described upstream tones by the encoding and decoding MCU unit of described U-shield
Signal carries out audio coding and obtains, and sends to described second line interface；
Described voicefrequency circuit, is additionally operable to receive the described upstream tones simulation that described first line interface sends
Signal, processes described upstream tones analogue signal simulation, by the described up sound after simulation process
Frequently analogue signal sends to described first audio interface；
Described first audio interface, be additionally operable to receive after the simulation process that described voicefrequency circuit sends is described
Upstream tones analogue signal, by the described upstream tones analogue signal after simulation process by described mobile whole
The audio interface of end sends to described mobile terminal.
Further, described audio switching device also includes: power module；
Wherein, described power module, it is connected with described voicefrequency circuit, for carrying for described voicefrequency circuit
For electric energy.
Further, described audio switching device also includes: power module；
Wherein, described power module, it is connected with described voicefrequency circuit and described first line interface respectively,
For providing electric energy for described voicefrequency circuit, and connect by described first line interface and described second circuit
Mouth provides electric energy for described encoding and decoding MCU unit.
Further, in described first audio interface including at least power line, ground wire, upward signal line and
Downstream signal line.
Compared with prior art, the application can obtain and include techniques below effect:
The encoding and decoding MCU unit in U-shield is utilized to realize the encoding and decoding of audio signal, audio switching device
In need not, encoding and decoding MCU unit is set just can realize and the voice communication of the mobile terminals such as mobile phone,
Reduce the cost of audio switching device.It is the audio-frequency electric in audio switching device by arranging power module
Road or provide electric energy for the voicefrequency circuit in audio switching device and the encoding and decoding MCU unit in U-shield,
Add the function of audio switching device.
Certainly, the arbitrary product implementing the application must be not necessarily required to reach all the above skill simultaneously
Art effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes of the application
Point, the schematic description and description of the application is used for explaining the application, is not intended that the application's
Improper restriction.In the accompanying drawings:
Fig. 1 is the first audio repeating system structure schematic diagram of the embodiment of the present application；
Fig. 2 is the second audio repeating system structure schematic diagram of the embodiment of the present application；
Fig. 3 is the 3rd audio repeating system structure schematic diagram of the embodiment of the present application；
Fig. 4 is the first audio switching device structural representation of the embodiment of the present application；
Fig. 5 is the second audio switching device structural representation of the embodiment of the present application；
Fig. 6 is the 3rd audio switching device structural representation of the embodiment of the present application.
Detailed description of the invention
Presently filed embodiment is described in detail, thereby to the application below in conjunction with drawings and Examples
How application technology means solve technical problem and reach the process that realizes of technology effect and can fully understand
And implement according to this.
Embodiment describes
With an embodiment, the realization of the application is described further below.As it is shown in figure 1, be the application
A kind of audio repeating system structure schematic diagram of embodiment, audio repeating system includes: audio switching device
10 and U-shield 20.
Audio switching device 10 includes: the first audio interface 101, voicefrequency circuit 102 and first line connect
Mouth 103.
U-shield 20 includes: the second line interface 201 and encoding and decoding MCU unit 202.
Wherein, the first audio interface 101, respectively with the audio interface of mobile terminal, and voicefrequency circuit
102 are connected, for receiving the downstream tones analogue signal of the audio interface output of mobile terminal, under inciting somebody to action
Row audio analog signals is sent to voicefrequency circuit 102.
Specifically, the audio interface of mobile terminal namely the earphone interface of mobile terminal.
Voicefrequency circuit 102, is connected with the first audio interface 101 and first line interface 103 respectively,
For receiving the downstream tones analogue signal that the first audio interface 101 sends, to downstream tones analogue signal
Simulation processes, and sends the downstream tones analogue signal after simulation process to first line interface 103.
First line interface 103, is connected with voicefrequency circuit 102 and the second line interface 201 respectively, is used for
Receive the downstream tones analogue signal after the simulation process that voicefrequency circuit 102 sends, after simulation process
Downstream tones analogue signal sends to the second line interface 201.
Specifically, downstream tones analogue signal is i.e. carried out by downstream tones analogue signal simulation process
Signal filtering, amplification, compare etc. through comparator and process.
Specifically, the audio interface of mobile terminal has many lines, as mobile phone standard 3.5mm earpiece holes has 4
Root line, the order of these 4 lines currently mainly has two kinds of standards, and a kind of line sequence is: ground wire, Mike's line,
R channel line, L channel line；Another kind is: Mike's line, ground wire, R channel line, L channel line.By
Which kind of line sequence is specifically used, for the ease of subsequent treatment in the audio interface that cannot predict mobile terminal
Use, by voicefrequency circuit 102, line sequence can be converted to the line sequence preset, if default line sequence is the
One, the most no matter actual the first or the second of using of audio interface of mobile terminal, all can turn
It is changed to the first.
Second line interface 201, respectively with first line interface 103 and encoding and decoding MCU unit 202
It is connected, the downstream tones analogue signal after receiving the simulation process that first line interface 103 sends,
Downstream tones analogue signal after simulation process is sent to encoding and decoding MCU unit 202.
Wherein, the second line interface 201 can also transmit digital signal to be connected with computer and carrying out
Data are transmitted.
Encoding and decoding MCU unit 202, is connected with the second line interface 201, for receiving the second line
Downstream tones analogue signal after the simulation process that road interface 201 sends, to the downstream tones after simulation process
Frequently analogue signal carries out audio decoder and obtains downstream tones digital signal.
Specifically, the downstream tones analogue signal after simulation process is carried out audio decoder specific as follows: first
First to the downstream tones analog signal sampling after simulation process, obtain sampled result；Secondly to sampling
Result is analyzed, and obtains analysis result；Then analysis result is processed (such as verification, agreement
Analyze, splice, deciphering etc.) obtain downstream tones digital signal.
Preferably, encoding and decoding MCU unit 202, it is additionally operable to upstream tones digital signal is carried out audio frequency
Coding, obtains upstream tones analogue signal, sends upstream tones analogue signal to the second line interface
201。
Specifically, upstream tones digital signal is carried out audio coding specific as follows: first to upstream tones
Digital signal carries out some and processes (such as encrypt, convert, add protocol information, fractionation etc.), then
Data after processing are converted into upstream tones analogue signal.
Second line interface 201, is additionally operable to receive the upstream tones that encoding and decoding MCU unit 202 sends
Analogue signal, sends upstream tones analogue signal to first line interface 103.
First line interface 103, is additionally operable to receive the upstream tones simulation that the second line interface 201 sends
Signal, sends upstream tones analogue signal to voicefrequency circuit 102.
Voicefrequency circuit 102, is additionally operable to receive the upstream tones analogue signal that first line interface 103 sends,
Upstream tones analogue signal simulation is processed, the upstream tones analogue signal after simulation process is sent
To the first audio interface 101.
First audio interface 101, be additionally operable to receive voicefrequency circuit 102 send simulation process after up
Audio analog signals, by the audio interface by mobile terminal of the upstream tones analogue signal after simulation process
Send to mobile terminal.
Preferably, seeing Fig. 2, audio switching device 10 also includes: power module 104；
Wherein, power module 104, it is connected with voicefrequency circuit 102, for carrying for voicefrequency circuit 102
For electric energy.
Preferably, seeing Fig. 3, audio switching device 10 also includes: power module 104；
Wherein, power module 104, it is connected with voicefrequency circuit 102 and first line interface 103 respectively,
For providing electric energy for voicefrequency circuit 102, and by first line interface 103 and the second line interface 201
Electric energy is provided for encoding and decoding MCU unit 202.
Wherein, power module 104 is optional module, when being provided with power supply mould in audio switching device 10
During block 104, power module 104 can be that audio switching device 10 is powered, and can be maybe audio repeating
Device 10 and U-shield 20 are powered.When audio switching device 10 is not provided with power module 104,
Can be powered for audio switching device 10 by U-shield 20.
Preferably, in the first audio interface 101 including at least power line, ground wire, upward signal line and under
Row signal line；Including at least power line, ground wire, upward signal line and downstream signal in second audio interface
Line.
Audio repeating system described in the present embodiment, utilizes the encoding and decoding MCU unit 202 in U-shield 20
Realize the encoding and decoding of audio signal, audio switching device 10 need not arrange encoding and decoding MCU unit
202 just can realize and the voice communication of the mobile terminals such as mobile phone, reduce the one-tenth of audio switching device 10
This.It is the voicefrequency circuit 102 in audio switching device 10 by arranging power module 104 or is audio frequency
Voicefrequency circuit 102 in switching device 10 and the encoding and decoding MCU unit 202 in U-shield 20 provide electricity
Can, add the function of audio switching device 10.
With another embodiment, the realization of the application is described further below.As shown in Figure 4, for this Shen
Please a kind of audio switching device structural representation of embodiment, this audio switching device 10 includes: first
Audio interface 101, voicefrequency circuit 102 and first line interface 103.
Wherein, the first audio interface 101, respectively with the audio interface of mobile terminal, and voicefrequency circuit
102 are connected, for receiving the downstream tones analogue signal of the audio interface output of mobile terminal, under inciting somebody to action
Row audio analog signals is sent to voicefrequency circuit 102.
Specifically, the audio interface of mobile terminal namely the earphone interface of mobile terminal.
Voicefrequency circuit 102, is connected with the first audio interface 101 and first line interface 103 respectively,
For receiving the downstream tones analogue signal that the first audio interface 101 sends, to downstream tones analogue signal
Simulation processes, and sends the downstream tones analogue signal after simulation process to first line interface 103.
Specifically, downstream tones analogue signal is i.e. carried out by downstream tones analogue signal simulation process
Signal filtering, amplification, compare etc. through comparator and process.
Specifically, the audio interface of mobile terminal has many lines, as mobile phone standard 3.5mm earpiece holes has 4
Root line, the order of these 4 lines currently mainly has two kinds of standards, and a kind of line sequence is: ground wire, Mike's line,
R channel line, L channel line；Another kind is: Mike's line, ground wire, R channel line, L channel line.By
Which kind of line sequence is specifically used, for the ease of subsequent treatment in the audio interface that cannot predict mobile terminal
Use, by voicefrequency circuit 102, line sequence can be converted to the line sequence preset, if default line sequence is the
One, the most no matter actual the first or the second of using of audio interface of mobile terminal, all can turn
It is changed to the first.
First line interface 103, respectively with voicefrequency circuit 102 and the second line interface 201 of U-shield 20
It is connected, the downstream tones analogue signal after receiving the simulation process that voicefrequency circuit 102 sends, will
Downstream tones analogue signal after simulation process sends to the second line interface 201 so that the second circuit connects
Downstream tones analogue signal after simulation process is sent mono-to the encoding and decoding MCU of U-shield 20 by mouth 201
Unit 202, is simulated the downstream tones after simulation process by the encoding and decoding MCU unit 202 of U-shield 20
Signal carries out audio decoder and obtains downstream tones digital signal.
Specifically, the downstream tones analogue signal after simulation process is carried out audio decoder specific as follows: first
First to the downstream tones analog signal sampling after simulation process, obtain sampled result；Secondly to sampling
Result is analyzed, and obtains analysis result；Then analysis result is processed (such as verification, agreement
Analyze, splice, deciphering etc.) obtain downstream tones digital signal.
Wherein, the second line interface 201 can also transmit digital signal to be connected with computer and carrying out
Data are transmitted.
Preferably, first line interface 103, it is additionally operable to receive the up of the second line interface 201 transmission
Audio analog signals, sends upstream tones analogue signal to voicefrequency circuit 102；Wherein, upstream tones
Analogue signal is carried out audio frequency by the encoding and decoding MCU unit 202 of U-shield 20 to upstream tones digital signal
Coding obtains, and sends to the second line interface 201.
Specifically, upstream tones digital signal is carried out audio coding specific as follows: first to upstream tones
Numeral letter carries out some and processes (such as encrypt, convert, add protocol information, fractionation etc.), then general
Data after process are converted into upstream tones analogue signal.
Voicefrequency circuit 102, is additionally operable to receive the upstream tones analogue signal that first line interface 103 sends,
Upstream tones analogue signal simulation is processed, the upstream tones analogue signal after simulation process is sent
To the first audio interface 101.
First audio interface 101, be additionally operable to receive voicefrequency circuit 102 send simulation process after up
Audio analog signals, by the audio interface by mobile terminal of the upstream tones analogue signal after simulation process
Send to mobile terminal.
Preferably, seeing Fig. 5, audio switching device 10 also includes: power module 104；
Wherein, power module 104, it is connected with voicefrequency circuit 102, for carrying for voicefrequency circuit 102
For electric energy.
Preferably, seeing Fig. 6, audio switching device 10 also includes: power module 104；
Wherein, power module 104, it is connected with voicefrequency circuit 102 and first line interface 103 respectively,
For providing electric energy for voicefrequency circuit 102, and by first line interface 103 and the second line interface 201
Electric energy is provided for encoding and decoding MCU unit 202.
Preferably, in the first audio interface 101 including at least power line, ground wire, upward signal line and under
Row signal line.
Audio switching device described in the present embodiment, utilizes the encoding and decoding MCU unit 202 in U-shield 20
Realize the encoding and decoding of audio signal, audio switching device 10 need not arrange encoding and decoding MCU unit
202 just can realize and the voice communication of the mobile terminals such as mobile phone, reduce the one-tenth of audio switching device 10
This.It is the voicefrequency circuit 102 in audio switching device 10 by arranging power module 104 or is audio frequency
Voicefrequency circuit 102 in switching device 10 and the encoding and decoding MCU unit 202 in U-shield 20 provide electricity
Can, add the function of audio switching device 10.
It should be noted that in the above embodiments of the present application, due to will be by the audio interface of mobile terminal
With U-shield realize electronic signature safety certification data communication, the most above-mentioned upstream tones analogue signal, on
Row audio digital signals, downstream tones analogue signal, downstream tones digital signal are all based on electronic signature
Safety certification data, such as PKI, private key and digital certificate etc..
Described above illustrate and describes some preferred embodiments of the application, but as previously mentioned, it should reason
Solve the application and be not limited to form disclosed herein, be not to be taken as the eliminating to other embodiments,
And can be used for various other combination, amendment and environment, and can in invention contemplated scope described herein,
It is modified by above-mentioned teaching or the technology of association area or knowledge.And those skilled in the art are carried out changes
Move and change is without departing from spirit and scope, the most all should be in the protection of the application claims
In the range of.
Claims (10)
1. an audio repeating system, it is characterised in that described audio repeating system includes: audio conversion
Connection device and U-shield；
Described audio switching device includes: the first audio interface, voicefrequency circuit and first line interface；
Described U-shield includes: the second line interface and encoding and decoding MCU unit；
Wherein, described first audio interface, respectively with the audio interface of mobile terminal, and described audio frequency
Circuit is connected, for receiving the downstream tones analogue signal of the audio interface output of described mobile terminal,
Described downstream tones analogue signal is sent to described voicefrequency circuit；
Described voicefrequency circuit, is connected with described first audio interface and described first line interface respectively,
For receiving the described downstream tones analogue signal that described first audio interface sends, to described downstream tones
Analogue signal simulation processes, and sends the described downstream tones analogue signal after simulation process to described
First line interface, wherein, processes described downstream tones analogue signal simulation and includes: to described
Downstream tones analogue signal carries out signal filtering, amplification, compares through comparator；
Described first line interface, is connected with described voicefrequency circuit and described second line interface respectively,
Described downstream tones analogue signal after receiving the simulation process that described voicefrequency circuit sends, will simulation
Described downstream tones analogue signal after process sends to described second line interface；
Second line interface, is connected with described first line interface and described encoding and decoding MCU unit respectively
Connect, the described downstream tones simulation letter after receiving the simulation process that described first line interface sends
Number, the described downstream tones analogue signal after simulation process is sent to described encoding and decoding MCU unit,
Wherein, described second line interface is additionally operable to transmit digital signal, in order to is connected with computer and carries out data
Transmission；
Described encoding and decoding MCU unit, is connected with described second line interface, is used for receiving described
Described downstream tones analogue signal after the simulation process that two line interfaces send, to the institute after simulation process
State downstream tones analogue signal to carry out audio decoder and obtain downstream tones digital signal, wherein, at simulation
It is specific as follows that described downstream tones analogue signal after reason carries out audio decoder: after first to simulation process
Described downstream tones analog signal sampling, obtains sampled result；Secondly described sampled result is carried out
Analyze, obtain analysis result；Then described analysis result is processed, including verification, protocal analysis,
Splicing, deciphering, obtain described downstream tones digital signal.
2. the system as claimed in claim 1, it is characterised in that described encoding and decoding MCU unit, also
For upstream tones digital signal is carried out audio coding, obtain upstream tones analogue signal, on described
Row audio analog signals sends to described second line interface；
Described second line interface, is additionally operable to receive the described up of described encoding and decoding MCU unit transmission
Audio analog signals, sends described upstream tones analogue signal to described first line interface；
Described first line interface, is additionally operable to receive the described upstream tones that described second line interface sends
Analogue signal, sends described upstream tones analogue signal to described voicefrequency circuit；
Described voicefrequency circuit, is additionally operable to receive the described upstream tones simulation that described first line interface sends
Signal, processes described upstream tones analogue signal simulation, by the described up sound after simulation process
Frequently analogue signal sends to described first audio interface；
Described first audio interface, be additionally operable to receive after the simulation process that described voicefrequency circuit sends is described
Upstream tones analogue signal, by the described upstream tones analogue signal after simulation process by described mobile whole
The audio interface of end sends to described mobile terminal.
3. system as claimed in claim 1 or 2, it is characterised in that described audio switching device is also
Including: power module；
Wherein, described power module, it is connected with described voicefrequency circuit, for carrying for described voicefrequency circuit
For electric energy.
4. system as claimed in claim 1 or 2, it is characterised in that described audio switching device is also
Including: power module；
Wherein, described power module, it is connected with described voicefrequency circuit and described first line interface respectively,
For providing electric energy for described voicefrequency circuit, and connect by described first line interface and described second circuit
Mouth provides electric energy for described encoding and decoding MCU unit.
5. system as claimed in claim 1 or 2, it is characterised in that in described first audio interface
Including at least power line, ground wire, upward signal line and downstream signal line.
6. an audio switching device, it is characterised in that described audio switching device includes: the first sound
Frequently interface, voicefrequency circuit and first line interface；
Wherein, described first audio interface, respectively with the audio interface of mobile terminal, and described audio frequency
Circuit is connected, for receiving the downstream tones analogue signal of the audio interface output of described mobile terminal,
Described downstream tones analogue signal is sent to described voicefrequency circuit；
Described voicefrequency circuit, is connected with described first audio interface and described first line interface respectively,
For receiving the described downstream tones analogue signal that described first audio interface sends, to described downstream tones
Analogue signal simulation processes, and sends the described downstream tones analogue signal after simulation process to described
First line interface, wherein, processes described downstream tones analogue signal simulation and includes: to described
Downstream tones analogue signal carries out signal filtering, amplification, compares through comparator；
Described first line interface, the second line interface with described voicefrequency circuit and U-shield is connected respectively
Connect, the described downstream tones analogue signal after receiving the simulation process that described voicefrequency circuit sends, will
Described downstream tones analogue signal after simulation process sends to described second line interface so that described the
Described downstream tones analogue signal after simulation process is sent the volume solution to described U-shield by two line interfaces
Code MCU unit, by described descending to after simulation process of the encoding and decoding MCU unit of described U-shield
Audio analog signals carries out audio decoder and obtains downstream tones digital signal, and wherein, described second circuit connects
Mouth is additionally operable to transmit digital signal, in order to is connected with computer and carries out data transmission, after simulation process
It is specific as follows that described downstream tones analogue signal carries out audio decoder: first under described after simulation process
Row audio analog signals is sampled, and obtains sampled result；Secondly described sampled result is analyzed,
Obtain analysis result；Then described analysis result is processed, including verification, protocal analysis, splicing,
Deciphering, obtains described downstream tones digital signal.
7. device as claimed in claim 6, it is characterised in that described first line interface, also uses
In receiving the upstream tones analogue signal that described second line interface sends, by described upstream tones simulation letter
Number send to described voicefrequency circuit；Wherein, described upstream tones analogue signal is by the encoding and decoding of described U-shield
MCU unit carries out audio coding to described upstream tones digital signal and obtains, and sends to described second
Line interface；
Described voicefrequency circuit, is additionally operable to receive the described upstream tones simulation that described first line interface sends
Signal, processes described upstream tones analogue signal simulation, by the described up sound after simulation process
Frequently analogue signal sends to described first audio interface；
Described first audio interface, be additionally operable to receive after the simulation process that described voicefrequency circuit sends is described
Upstream tones analogue signal, by the described upstream tones analogue signal after simulation process by described mobile whole
The audio interface of end sends to described mobile terminal.
Device the most as claimed in claims 6 or 7, it is characterised in that described audio switching device is also
Including: power module；
Wherein, described power module, it is connected with described voicefrequency circuit, for carrying for described voicefrequency circuit
For electric energy.
Device the most as claimed in claims 6 or 7, it is characterised in that described audio switching device is also
Including: power module；
Wherein, described power module, it is connected with described voicefrequency circuit and described first line interface respectively,
For providing electric energy for described voicefrequency circuit, and connect by described first line interface and described second circuit
Mouth provides electric energy for described encoding and decoding MCU unit.
Device the most as claimed in claims 6 or 7, it is characterised in that in described first audio interface
Including at least power line, ground wire, upward signal line and downstream signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538131.0A CN103596108B (en) | 2013-11-04 | 2013-11-04 | A kind of audio repeating system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538131.0A CN103596108B (en) | 2013-11-04 | 2013-11-04 | A kind of audio repeating system and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103596108A CN103596108A (en) | 2014-02-19 |
| CN103596108B true CN103596108B (en) | 2017-01-04 |
Family
ID=50086060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538131.0A Active CN103596108B (en) | 2013-11-04 | 2013-11-04 | A kind of audio repeating system and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103596108B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856314B (en) * | 2014-02-27 | 2017-02-15 | 深圳市文鼎创数据科技有限公司 | Audio communication self-adaption baud rate method and device and USB key |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272030A (en) * | 1999-04-07 | 2000-11-01 | 索尼公司 | Memory element, data processing unit and data processing method |
| CN1272028A (en) * | 1999-04-07 | 2000-11-01 | 索尼公司 | Safety type memory equipment possessing enhanced compatibility |
| CN202406213U (en) * | 2011-12-27 | 2012-08-29 | 北京佳讯飞鸿电气股份有限公司 | Explosion-proof high-definition wireless audio-visual transmission device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200516479A (en) * | 2003-11-13 | 2005-05-16 | Sunplus Technology Co Ltd | Combinational USB memory device |
| CN101876959A (en) * | 2009-11-10 | 2010-11-03 | 神州付（北京）软件技术有限公司 | Data transmission device and method thereof |
| CN102377088B (en) * | 2011-06-15 | 2013-11-27 | 天地融科技股份有限公司 | Audio signal receiving and transferring device |
| CN202260056U (en) * | 2011-10-17 | 2012-05-30 | 中金金融认证中心有限公司 | Universal serial bus (USB) switching device connected with audio interface |
| CN202309734U (en) * | 2011-10-31 | 2012-07-04 | 天地融科技股份有限公司 | Dynamic password generating device |
-
2013
- 2013-11-04 CN CN201310538131.0A patent/CN103596108B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272030A (en) * | 1999-04-07 | 2000-11-01 | 索尼公司 | Memory element, data processing unit and data processing method |
| CN1272028A (en) * | 1999-04-07 | 2000-11-01 | 索尼公司 | Safety type memory equipment possessing enhanced compatibility |
| CN202406213U (en) * | 2011-12-27 | 2012-08-29 | 北京佳讯飞鸿电气股份有限公司 | Explosion-proof high-definition wireless audio-visual transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103596108A (en) | 2014-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5732538B2 (en) | Electronic equipment that communicates with external equipment by voice method | |
| GB2457405A (en) | Integrated communication and information processing system | |
| CN202260046U (en) | Audio-data interface adapter device and audio-data signal conversion system | |
| CN103746727B (en) | A kind of Bluetooth communication method and Bluetooth communication system | |
| CN106941544A (en) | A kind of mobile terminal Bluetooth audio frequency expansion module | |
| NO20040171L (en) | Device, system and process for communication and program for same | |
| CN103873973A (en) | Method of realizing shield function and earphone function and Bluetooth shield | |
| CN105050082A (en) | Voice communication method and device | |
| CN206149480U (en) | Audio processing circuit and earphone | |
| CN102387429A (en) | Audio signal switching device and audio signal transmission system | |
| CN103596108B (en) | A kind of audio repeating system and device | |
| CN204103936U (en) | A kind of dynamic token and dynamic token Verification System | |
| CN206061111U (en) | A kind of multimode audio equipment | |
| CN103379486A (en) | Plug and play type portable communication secrecy device and communication method thereof | |
| CN206149481U (en) | Double -core audio equipment | |
| CN108495222B (en) | Dual-compatible line control earphone control circuit and control method based on circuit | |
| CN205038964U (en) | Audio system | |
| CN102905398A (en) | Mobile phone | |
| CN203327208U (en) | Multifunctional wireless headphone assembly | |
| CN202495035U (en) | Data transmission device | |
| CN205643713U (en) | Take voice function's big dipper intercom device | |
| CN104468588A (en) | WeChat and voice display device based on three-network-integration technology in smart life | |
| Wagh et al. | IVRS Based SAM (Smart Automation) | |
| CN204887385U (en) | Support intelligent stereo set of WIFI audio module | |
| CN204810548U (en) | Novel multi -functional audio frequency module of bluetooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |