CN103795544B - Audio signal transmitting method, mobile terminal and intelligent secret key device - Google Patents
Audio signal transmitting method, mobile terminal and intelligent secret key device Download PDFInfo
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- CN103795544B CN103795544B CN201410048538.XA CN201410048538A CN103795544B CN 103795544 B CN103795544 B CN 103795544B CN 201410048538 A CN201410048538 A CN 201410048538A CN 103795544 B CN103795544 B CN 103795544B
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- mobile terminal
- format information
- coded system
- valid data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/36—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with means for detecting characters not meant for transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0875—Generation of secret information including derivation or calculation of cryptographic keys or passwords based on channel impulse response [CIR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
Abstract
The invention discloses an audio signal transmitting method, a mobile terminal and an intelligent secret key device. The method comprises the steps that the mobile terminal encodes the format information of a waveform corresponding to an audio signal according to the first encoding method to obtain encoded data, wherein the format information comprises valid data, the length of frame front protection field located before the valid data, the length of a frame tail protection field located behind the valid data and the length of an initial domain field located behind the frame front protection field but before the valid data and used for determining the initiation of the valid data; the mobile terminal sends a first waveform corresponding to the encoded data; after receiving the first waveform, the intelligent secret key device decodes the first waveform according to the decoding method corresponding to the first encoding method to obtain the format information; the intelligent secret key device sends a second waveform according to the format information and the second encoding method; the mobile terminal decodes the received second waveform according to the format information and the second encoding method to obtain valid data in the second waveform.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of transmission method of audio signal, mobile terminal and intelligence
Key devices.
Background technology
At present, intelligent cipher key equipment（For example, the electronic signature equipment with signature function or with password generated function
E-token dynamic password card）Can be communicated by audio interface with the mobile terminal such as mobile phone, panel computer, that is, by transmission
The corresponding waveform of audio signal realizes the transmission of valid data between intelligent cipher key equipment and mobile terminal.
Sent and received in data procedures by audio interface in mobile terminal, the data of mobile terminal transmission have data
The phenomenon of loss, therefore how to solve data loss problem is problem demanding prompt solution.
The content of the invention
The invention provides a kind of transmission method of audio signal, mobile terminal and intelligent cipher key equipment, at least to solve
The problem of loss of data during mobile terminal transmitted waveform.
What technical scheme was specifically realized in：
According to an aspect of the invention, there is provided a kind of transmission method of audio signal, including：Mobile terminal is according to
One coded system is encoded to the format information of the corresponding waveform of audio signal, obtains coded data, wherein, described first compiles
Code mode is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used, and the format information includes：
Valid data；The length of protected field before the frame before valid data；Postamble protected field after valid data
Length；And, after protected field before frame and before valid data for determining that what valid data started rises
The length of beginning domain field；The mobile terminal sends the corresponding first waveform of the coded data；Intelligent cipher key equipment receives institute
State first waveform；The intelligent cipher key equipment enters according to the corresponding decoding process of first coded system to the first waveform
Row decoding, obtains the format information；The intelligent cipher key equipment is according to the format information and the intelligent cipher key equipment
The second coded system that the corresponding waveform of audio signal is used is sent, the second waveform is sent；The mobile terminal receives described
Second waveform, is carried out according to the format information and the corresponding decoding process of second coded system to second waveform
Decoding, obtains the valid data in second waveform.
According to a further aspect in the invention, there is provided a kind of transmission method of audio signal, including：Mobile terminal is according to
One coded system is encoded to the format information of the corresponding waveform of audio signal, obtains coded data, wherein, described first compiles
Code mode is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used, and the format information includes：
Valid data；The length of protected field before the frame before valid data；Postamble protected field after valid data
Length；And, after protected field before frame and before valid data for determining that what valid data started rises
The length of beginning domain field；The mobile terminal sends the corresponding first waveform of the coded data；Intelligent cipher key equipment receives institute
State first waveform；The intelligent cipher key equipment enters according to the corresponding decoding process of first coded system to the first waveform
Row decoding, obtains format information；The mobile terminal sends second according to the format information and first coded system
Waveform；The intelligent cipher key equipment receives second waveform, according to the format information and first coded system pair
The decoding process answered is decoded to second waveform, obtains the valid data in second waveform.
Additionally, the format information is obtained in the following manner：Mode one：The mobile terminal accessing pre-sets
Website；The corresponding format information of model of the mobile terminal is obtained from the website；Mode two：The acquisition for mobile terminal
Application software corresponding with the model of the mobile terminal, the application software includes that the model of the mobile terminal is corresponding
Format information.
Additionally, the format information also includes：After protected field before the frame and positioned at the valid data it
The length of front data head；And the data tail after the valid data and before the postamble protected field
Length.
Additionally, encoding to the format information of the corresponding waveform of audio signal according to the first coded system in mobile terminal
Before, methods described also includes：The mobile terminal and the intelligent cipher key equipment obtain first coded system and
Second coded system.
According to a further aspect of the invention, there is provided a kind of mobile terminal, including：Coding module, for according to movement
Format information of the first coded system that the corresponding waveform of terminal transmission audio signal is used to the corresponding waveform of audio signal
Encoded, obtained first coding data, wherein the format information includes：Valid data；Frame before valid data
The length of front protected field；The length of the postamble protected field after valid data；And, before frame protected field it
The length for determining the domain field that valid data start afterwards and before valid data；Sending module, for
Intelligent cipher key equipment sends the corresponding first waveform of the first coding data；First communication module, including：Receiving submodule,
For receiving according to the second waveform obtained after the format information and the process of the second coded system, wherein second coding
Mode is that the intelligent cipher key equipment sends the coded system that the corresponding waveform of audio signal is used；Decoding sub-module, is used for
Second waveform is decoded according to the format information and the corresponding decoding process of second coded system, is obtained
Valid data in second waveform；Second communication module, including：Encoding submodule, for according to the format information with
And first coded system is encoded to data to be sent, obtains the second coded data；Sending submodule, for sending
State the corresponding waveform of the second coded data.
Additionally, the mobile terminal also includes：Access modules, for accessing the website for pre-setting；First acquisition module,
For obtaining the corresponding format information of model of the mobile terminal from the website.
Additionally, the mobile terminal also includes：Second acquisition module, it is corresponding with the model of the mobile terminal for obtaining
Application software, the application software includes the corresponding format information of the model of the mobile terminal.
Additionally, the mobile terminal also includes：3rd acquisition module, for obtaining first coded system and described
Second coded system.
Additionally, the format information also includes：After protected field before the frame and positioned at the valid data it
The length of front data head；And the data tail after the valid data and before the postamble protected field
Length.
According to a further aspect of the invention, there is provided a kind of intelligent cipher key equipment, including：Receiver module, for receiving
The corresponding first waveform of first coding data that mobile terminal sends, wherein, the first coding data is the mobile terminal
According to the first coded system the format information of the corresponding waveform of audio signal is carried out encoding what is obtained, first coded system
It is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used, the format information includes：Significant figure
According to；The length of protected field before the frame before valid data；The length of the postamble protected field after valid data；
And, after protected field before frame and before valid data for determining the domain field that valid data start
Length；Decoder module, for decoding to the first waveform according to the corresponding decoding process of first coded system,
Obtain the format information；First communication module, including：Receiving submodule, for receiving according to the format information and institute
State the second waveform obtained after the first coded system is processed；Decoding sub-module, for according to the format information and described
The corresponding decoding process of one coded system is decoded to second waveform, obtains the valid data in second waveform；
Second communication module, including：Encoding submodule, for according to the format information and the second coded system to data to be sent
Encoded, obtained the second coded data, wherein, second coded system is that the intelligent cipher key equipment sends audio signal
The coded system that corresponding waveform is used；Sending submodule, for sending the corresponding waveform of second coded data.
Additionally, the intelligent cipher key equipment also includes：Acquisition module, for obtaining first coded system and described
Second coded system.
Additionally, the format information also includes：After protected field before the frame and positioned at the valid data it
The length of front data head；And the data tail after the valid data and before the postamble protected field
Length.
Above-mentioned technical proposal provided by the present invention can be seen that mobile terminal in the present invention and be transmitted audio signal pair
The format information of the waveform answered is sent to intelligent cipher key equipment so that intelligent cipher key equipment can be according to the format information to movement
Terminal sends waveform, it is ensured that the integrity of the waveform that mobile terminal is received；Meanwhile, intelligent cipher key equipment is according further to the format information
The waveform from mobile terminal that decoding is received, it is ensured that complete valid data can be obtained.Using protected field before frame and frame
Tail protected field counteracts being fade-in for mobile terminal and gradually go out characteristic, so as to ensure waveform between intelligent cipher key equipment and mobile terminal
The integrity of transmission；And determine the beginning of valid data using domain field so that mobile terminal and/or intelligent key set
It is standby accurately to obtain valid data.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to use needed for embodiment description
Accompanying drawing be briefly described, 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, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the flow chart of the transmission method of the audio signal that the embodiment of the present invention 1 is provided；
Fig. 2 is the structured flowchart of the mobile terminal that the embodiment of the present invention 3 is provided；
Fig. 3 is the structured flowchart of the intelligent cipher key equipment that the embodiment of the present invention 4 is provided.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Inventive embodiment, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying
Relative importance or quantity or position.
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
A kind of transmission method of audio signal is present embodiments provided, is applied between intelligent cipher key equipment and mobile terminal
Audio signal transmission.Intelligent cipher key equipment could be for signing ensure information security key, with being generated according to challenge code
The E-token dynamic password card of dynamic password function, mobile terminal can be notebook computer, panel computer, mobile phone, intelligent watch, intelligence
The equipment with audio interface such as glasses.Intelligent cipher key equipment can be connected with mobile terminal by audio interface, intelligent key
The audio interface of equipment matches with the audio interface of terminal, and intelligent cipher key equipment is connected by its audio interface with terminal goes forward side by side
The transmission of row audio signal, wherein intelligent cipher key equipment can possess audio interface, it is also possible to which it is sound to be transferred by its USB interface
Frequency interface；Intelligent cipher key equipment can also transmit audio signal with mobile terminal by speaker and mike.
Fig. 1 is the flow chart of the transmission method of the audio signal that the embodiment of the present invention 1 is provided, as shown in figure 1, the method bag
Include following steps：
Step 101, mobile terminal is compiled according to the first coded system to the format information of the corresponding waveform of audio signal
Code, obtains coded data, wherein, the first coded system is that mobile terminal sends the coding that the corresponding waveform of audio signal is used
Mode, above-mentioned format information includes：Valid data；The length of protected field before the frame before valid data；Positioned at effective
The length of the postamble protected field after data；And, the use after protected field before frame and before valid data
In it is determined that the length of domain field that starts of valid data.
First coded system can be one or more coded system that mobile terminal is supported, i.e. mobile terminal can be used
When one or more coded systems send format information, and intelligent cipher key equipment can be to being sent using first coded system
Waveform be correctly decoded, obtain valid data.It should be noted that in mobile terminal when using multiple coded systems,
Intelligent cipher key equipment can recognize that the coded system that certain section of waveform is used.
Being fade-in when above-mentioned format information is directed to mobile terminal transmitted waveform gradually go out property settings, mobile terminal itself
Characteristic causes to there is a problem of being fade-in during mobile terminal transmitted waveform gradually to go out, and is fade-in and gradually go out to refer to mobile terminal transmission or receive
During the corresponding waveform of audio signal, the start-up portion of waveform by zero amplitude for gradually rising to valid data in waveform, waveform
Latter end is gradually lowered to zero by the amplitude of valid data.The above-mentioned characteristic of mobile terminal can cause the part significant figure for transmitting
According to waveform gradually do well in being fade-in, the corresponding waveforms amplitude of this part valid data is reduced, even zero, that is, the ripple for transmitting
Shape is imperfect, loses important data.
Be fade-in for mobile terminal can be offset using protected field before frame and postamble protected field and gradually go out characteristic, so as to ensure
The integrity of waveform transfer between intelligent cipher key equipment and mobile terminal；And determine opening for valid data using domain field
Begin so that mobile terminal and/or intelligent cipher key equipment can accurately obtain valid data.
For example, protected field length is 1000 bits before frame, when mobile terminal receives waveform, in the impact that waveform is fade-in
Under, the corresponding waveforms amplitude of front 900 bits of protected field is zero before frame, and afterwards 100 bits have been gradually risen to by zero
The corresponding waveforms amplitude of beginning domain field；Postamble protected field length is 1000 bits, when mobile terminal receives waveform, in waveform
Under the influence of gradually going out, the corresponding waveform of front 100 bits of postamble protected field by the corresponding waveforms amplitude of valid data gradually
Zero is reduced to, afterwards the corresponding waveforms amplitude of 900 bits is zero.Therefore, counteract waveform using protected field before frame to be fade-in
Impact, the impact that waveform gradually goes out is counteracted using postamble protected field, so as to the waveform for ensureing valid data is complete.Move
The situation that dynamic terminal sends waveform is similar with the situation for receiving waveform, and here is omitted.Certainly, protected field and postamble before frame
The length of protected field can also be different, and this is determined by the self-characteristic of mobile terminal.
Step 102, mobile terminal sends the corresponding first waveform of coded data.
Step 103, intelligent cipher key equipment receives first waveform.
Step 104, intelligent cipher key equipment is decoded according to the corresponding decoding process of the first coded system to first waveform,
Obtain format information.
Step 105, intelligent cipher key equipment sends the corresponding ripple of audio signal according to format information and intelligent cipher key equipment
The second coded system that shape is used, sends the second waveform.Second coded system can be one kind that intelligent cipher key equipment is supported
Or various coded systems, and mobile terminal can be correctly decoded to the waveform sent using second coded system, be obtained
To valid data.
Step 106, mobile terminal receives the second waveform, according to format information and the corresponding decoding side of the second coded system
Formula is decoded to the second waveform, obtains the valid data in the second waveform.
Mobile terminal is transmitted the format information of the corresponding waveform of audio signal informs intelligent cipher key equipment, is carrying out sound
Frequency signal（Or the corresponding waveform of audio signal）During transmission, mobile terminal and intelligent cipher key equipment are processed according to the format information
Data to be sent, the waveform such that it is able to avoid mobile terminal from receiving and/or to send is fade-in by waveform and gradually go out characteristic and affected,
Ensure the integrity of the waveform of transmission.
Wherein, mobile terminal at least can in the following manner obtain format information：
Mode one：The website that mobile terminal accessing pre-sets, from the website the corresponding lattice of model of mobile terminal are obtained
Formula information.The website can be the website of intelligent cipher key equipment manufacturer, the website of intelligent cipher key equipment publisher or other
The website specified, the model and its corresponding format information of multiple mobile terminals that are stored with the web site.
Mode two：Acquisition for mobile terminal application software corresponding with the model of mobile terminal, application software includes movement
The corresponding format information of model of terminal., i.e., the application software that mobile terminal download is matched with its model can be from this using soft
The corresponding format information of mobile terminal is obtained in part.Above-mentioned application software is used for the data transfer between intelligent cipher key equipment, can
Being the cell-phone customer terminal of bank.
Above-mentioned format information can also include：Data head after protected field before frame and before valid data
Length, and the length of the data tail after valid data and before postamble protected field.Data head is used to make
Audio stream output amplitude is stablized, and the receiving terminal for informing data enters synchronous regime, and data tail is used to inform the receiving terminal knot of data
Beam phonetic incepting.The bit of protected field can be with identical with the bit of data head before frame（For example, it is bit 1）, it is also possible to no
Together（For example, protected field is n 1 before frame, and data head is m 0）；In the same manner, the ratio of the bit of postamble protected field and data tail
Spy can be with identical, it is also possible to different.
Additionally, encoding to the format information of the corresponding waveform of audio signal according to the first coded system in mobile terminal
Before, said method also includes：Mobile terminal obtains the first coded system and the second coded system with intelligent cipher key equipment.
Mobile terminal gets the coded system of itself and other side's support with intelligent cipher key equipment, and can be correctly decoded other side's utilization
The waveform that the coded system that other side supports sends, so as to ensure being correctly decoded for data.Mobile terminal can with intelligent cipher key equipment
The first coded system and the second coded system are obtained in the way of through consultation.
Mobile terminal is transmitted the format information of the corresponding waveform of audio signal and is sent to intelligent key in the present embodiment
Equipment so that intelligent cipher key equipment can send waveform according to the format information to mobile terminal, it is to avoid mobile terminal is fade-in
Gradually go out the impact of characteristic, it is ensured that mobile terminal receives the waveform of complete valid data, and then obtains complete valid data.
Being fade-in for mobile terminal is counteracted using protected field before frame and postamble protected field and gradually go out characteristic, so as to ensure that intelligent key sets
The integrity of the standby waveform transfer of valid data between mobile terminal；And determine opening for valid data using domain field
Begin so that mobile terminal and/or intelligent cipher key equipment can accurately obtain valid data.
Embodiment 2
Compared with Example 1, difference is the transmission method of the audio signal that the present embodiment is provided：Described in embodiment 1
Method is uplink（Intelligent cipher key equipment to mobile terminal sends waveform）, the method described in embodiment 2 is downlink transfer（Move
Dynamic terminal to intelligent cipher key equipment sends waveform）.
Specifically, in example 2, front several steps are identical to step 104 with the step 101 shown in embodiment 1, intelligence
Key devices are obtained after format information, and mobile terminal sends the second waveform according to format information and the first coded system；Intelligence
Energy key devices receive the second waveform, and the second waveform is entered according to format information and the corresponding decoding process of the first coded system
Row decoding, obtains the valid data in the second waveform.
Mobile terminal is transmitted the format information of the corresponding waveform of audio signal and is sent to intelligent key in the present embodiment
Equipment, mobile terminal sends waveform according to the format information and the first coded system to intelligent cipher key equipment, and intelligent key sets
The standby waveform received according to the format information and the corresponding decoding process decoding of the first coded system, it is to avoid mobile terminal is gradually
Enter gradually to go out the impact of characteristic, it is ensured that the waveform of the valid data of mobile terminal output is complete, so as to intelligent cipher key equipment energy
The waveform of complete valid data is accessed, and then obtains complete valid data.Protected using protected field before frame and postamble
Field counteracts being fade-in for mobile terminal and gradually go out characteristic, so as to ensure valid data between intelligent cipher key equipment and mobile terminal
The integrity of waveform transfer；And determine the beginning of valid data using domain field so that mobile terminal and/or intelligence are close
Key equipment can accurately obtain valid data.
Embodiment 3
A kind of mobile terminal is present embodiments provided, can be used for realizing the audio frequency letter described in embodiment 1 and embodiment 2
Number transmission method.As shown in Fig. 2 the mobile terminal is included with lower module：
Coding module 21, for sending the first coded system that the corresponding waveform of audio signal is used according to mobile terminal
The format information of the corresponding waveform of audio signal is encoded, first coding data is obtained, wherein format information includes：Effectively
Data；The length of protected field before the frame before valid data；The length of the postamble protected field after valid data
Degree；And, after protected field before frame and before valid data for determining the domain that valid data start
The length of field；
Sending module 22, is connected to coding module 21, corresponding for sending first coding data to intelligent cipher key equipment
First waveform；
First communication module 23, is connected to sending module 22, including：
Receiving submodule 231, for receiving according to the second ripple obtained after format information and the process of the second coded system
Shape, wherein the second coded system is intelligent cipher key equipment sending the coded system that the corresponding waveform of audio signal is used；
Decoding sub-module 232, is connected to receiving submodule 231, for according to format information and the second coded system pair
The decoding process answered is decoded to the second waveform, obtains the valid data in the second waveform；
Second communication module 24, is connected to sending module 22, including：
Encoding submodule 241, for encoding to data to be sent according to format information and the first coded system, obtains
To the second coded data；
Sending submodule 242, is connected to encoding submodule 241, for sending the corresponding waveform of the second coded data.
Mobile terminal can also be included such as lower module：
Corresponding to the mode one that format information is obtained in embodiment 1, mobile terminal also includes：Access modules, for accessing
The website for pre-setting；First acquisition module, for obtaining the corresponding format information of model of mobile terminal from website.
Corresponding to the mode two that format information is obtained in embodiment 1, mobile terminal also includes：Second acquisition module, is used for
Application software corresponding with the model of mobile terminal is obtained, application software includes the corresponding form letter of the model of mobile terminal
Breath.
Mobile terminal can also include：3rd acquisition module, for obtaining the first coded system and the second coded system.
Concrete in the same manner as in Example 1, here is omitted.
Above-mentioned format information can also include：Data head after protected field before frame and before valid data
Length；And the length of the data tail after valid data and before postamble protected field.Data head is used to make
Audio stream output amplitude is stablized, and the receiving terminal for informing data enters synchronous regime, and data tail is used to inform the receiving terminal knot of data
Beam phonetic incepting.
Certainly, above-mentioned Module Division is that a kind of signal is divided, and the invention is not limited in this.The mobile terminal can be with
Only include：Coding module, sending module, receiver module, decoder module and acquisition module, coding module performs related to coding
Function, sending module performs the function related to transmissions, the receiver module execution function related to reception, decoder module execution and
The related function of decoding, acquisition module completes and obtains format information and obtain the related function of coded system, as long as can realize
The Module Division of the purpose of the present invention, all should belong to protection scope of the present invention.
Embodiment 4
A kind of intelligent cipher key equipment is present embodiments provided, can be used for realizing the sound described in embodiment 1 and embodiment 2
The transmission method of frequency signal.As shown in figure 3, the intelligent cipher key equipment is included such as lower module：
Receiver module 31, for receiving the corresponding first waveform of first coding data of mobile terminal transmission, wherein, first
Coded data is that mobile terminal carries out coding and obtains according to the first coded system to the format information of the corresponding waveform of audio signal
, the first coded system is that mobile terminal sends the coded system that the corresponding waveform of audio signal is used, and format information includes：
Valid data；The length of protected field before the frame before valid data；Postamble protected field after valid data
Length；And, after protected field before frame and before valid data for determining that what valid data started rises
The length of beginning domain field；
Decoder module 32, is connected to receiver module 31, for according to the corresponding decoding process of the first coded system to first
Waveform is decoded, and obtains format information；
First communication module 33, is connected to decoder module 32, including：
Receiving submodule 331, for receiving according to the second ripple obtained after format information and the process of the first coded system
Shape；
Decoding sub-module 332, is connected to receiving submodule 331, for according to format information and the first coded system pair
The decoding process answered is decoded to the second waveform, obtains the valid data in the second waveform；
Second communication module 34, is connected to decoder module 32, including：
Encoding submodule 341, for encoding to data to be sent according to format information and the second coded system, obtains
To the second coded data, wherein, second coded system is that the intelligent cipher key equipment sends the corresponding waveform of audio signal
The coded system for being used；
Sending submodule 342, is connected to encoding submodule 341, for sending the corresponding waveform of the second coded data.
Intelligent cipher key equipment can also include：Acquisition module, for obtaining the first coded system and the second coded system.
Above-mentioned format information also includes：The length of the data head after protected field before frame and before valid data
Degree；And the length of the data tail after valid data and before postamble protected field.Data head is used to make audio frequency
Stream output amplitude is stablized, and the receiving terminal for informing data enters synchronous regime, and data tail is used to inform the receiving terminal conclusion of data
Sound is received.
Certainly, above-mentioned Module Division is that a kind of signal is divided, and the invention is not limited in this.The intelligent cipher key equipment is also
Can only include：Coding module, sending module, receiver module, decoder module and acquisition module, coding module is performed and coding phase
The function of pass, sending module performs the function related to transmission, the receiver module execution function related to reception and decoder module
The function related to decoding is performed, acquisition module completes the function related to coded system is obtained, as long as can realize the present invention's
The Module Division of purpose, all should belong to protection scope of the present invention.
The intelligent cipher key equipment shown in mobile terminal and embodiment 4 shown in embodiment 3 can jointly realize embodiment 1
And/or the transmission method of the audio signal described in embodiment 2.
In flow chart or here any process described otherwise above or method description are construed as, expression includes
It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realizing.For example, if realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realizing：With for realizing the logic gates of logic function to data signal
Discrete logic, the special IC with suitable combinational logic gate circuit, programmable gate array（PGA）, scene
Programmable gate array（FPGA）Deng.
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Suddenly the hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block both can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is realized and as independent production marketing or when using using in the form of software function module, it is also possible to be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is in the principle and objective without departing from the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
Limited by claims and its equivalent.
Claims (13)
1. a kind of transmission method of audio signal, it is characterised in that include：
Mobile terminal is encoded according to the first coded system to the format information of the corresponding waveform of audio signal, obtains coded number
According to, wherein, first coded system is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used,
The format information includes：
Valid data；
The length of protected field before the frame before valid data；
The length of the postamble protected field after valid data；And,
After protected field before frame and before valid data for determining the domain field that valid data start
Length；
The mobile terminal sends the corresponding first waveform of the coded data；
Intelligent cipher key equipment receives the first waveform；
The intelligent cipher key equipment is decoded according to the corresponding decoding process of first coded system to the first waveform,
Obtain the format information；
The intelligent cipher key equipment sends the corresponding ripple of audio signal according to the format information and the intelligent cipher key equipment
The second coded system that shape is used, sends the second waveform；
The mobile terminal receives second waveform, according to the format information and the corresponding solution of second coded system
Code mode is decoded to second waveform, obtains the valid data in second waveform.
2. a kind of transmission method of audio signal, it is characterised in that include：
Mobile terminal is encoded according to the first coded system to the format information of the corresponding waveform of audio signal, obtains coded number
According to, wherein, first coded system is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used,
The format information includes：
Valid data；
The length of protected field before the frame before valid data；
The length of the postamble protected field after valid data；And,
After protected field before frame and before valid data for determining the domain field that valid data start
Length；
The mobile terminal sends the corresponding first waveform of the coded data；
Intelligent cipher key equipment receives the first waveform；
The intelligent cipher key equipment is decoded according to the corresponding decoding process of first coded system to the first waveform,
Obtain format information；
The mobile terminal sends the second waveform according to the format information and first coded system；
The intelligent cipher key equipment receives second waveform, according to the format information and first coded system correspondence
Decoding process second waveform is decoded, obtain the valid data in second waveform.
3. method according to claim 1 and 2, it is characterised in that the format information is obtained in the following manner：
Mode one：The website that the mobile terminal accessing pre-sets；The model pair of the mobile terminal is obtained from the website
The format information answered；
Mode two：Acquisition for mobile terminal application software corresponding with the model of the mobile terminal, in the application software
Including the corresponding format information of model of the mobile terminal.
4. method according to claim 1 and 2, it is characterised in that the format information also includes：
The length of the data head after protected field before the frame and before the valid data；And
The length of the data tail after the valid data and before the postamble protected field.
5. method according to claim 1, it is characterised in that in mobile terminal according to the first coded system to audio signal
Before the format information of corresponding waveform is encoded, methods described also includes：
The mobile terminal obtains first coded system and second coded system with the intelligent cipher key equipment.
6. a kind of mobile terminal, it is characterised in that include：
Coding module, for sending the first coded system that the corresponding waveform of audio signal used to audio frequency according to mobile terminal
The format information of the corresponding waveform of signal is encoded, and obtains first coding data, wherein the format information includes：
Valid data；
The length of protected field before the frame before valid data；
The length of the postamble protected field after valid data；And,
After protected field before frame and before valid data for determining the domain field that valid data start
Length；
Sending module, for sending the corresponding first waveform of the first coding data to intelligent cipher key equipment；
First communication module, including：
Receiving submodule, for receiving according to the second waveform obtained after the format information and the process of the second coded system,
Wherein described second coded system is that the intelligent cipher key equipment sends the coded system that the corresponding waveform of audio signal is used；
Decoding sub-module, for according to the format information and the corresponding decoding process of second coded system to described
Two waveforms are decoded, and obtain the valid data in second waveform；
Second communication module, including：
Encoding submodule, for encoding to data to be sent according to the format information and first coded system,
Obtain the second coded data；
Sending submodule, for sending the corresponding waveform of second coded data.
7. mobile terminal according to claim 6, it is characterised in that the mobile terminal also includes：
Access modules, for accessing the website for pre-setting；
First acquisition module, for obtaining the corresponding format information of model of the mobile terminal from the website.
8. mobile terminal according to claim 6, it is characterised in that the mobile terminal also includes：
Second acquisition module, for obtaining application software corresponding with the model of the mobile terminal, wraps in the application software
Include the corresponding format information of model of the mobile terminal.
9. the mobile terminal according to any one of claim 6 to 8, it is characterised in that the mobile terminal also includes：
3rd acquisition module, for obtaining first coded system and second coded system.
10. the mobile terminal according to any one of claim 6 to 8, it is characterised in that the format information also includes：
The length of the data head after protected field before the frame and before the valid data；And
The length of the data tail after the valid data and before the postamble protected field.
11. a kind of intelligent cipher key equipments, it is characterised in that include：
Receiver module, for receiving the corresponding first waveform of first coding data of mobile terminal transmission, wherein, described first compiles
Code data are that the mobile terminal carries out encoding according to the first coded system to the format information of the corresponding waveform of audio signal
Arrive, first coded system is that the mobile terminal sends the coded system that the corresponding waveform of audio signal is used, institute
Stating format information includes：Valid data；The length of protected field before the frame before valid data；After valid data
Postamble protected field length；And, having for determining after protected field before frame and before valid data
The length of the domain field that effect data start；
Decoder module, for decoding to the first waveform according to the corresponding decoding process of first coded system, obtains
To the format information；
First communication module, including：
Receiving submodule, for receiving according to the second ripple obtained after the format information and first coded system process
Shape；
Decoding sub-module, for according to the format information and the corresponding decoding process of first coded system to described
Two waveforms are decoded, and obtain the valid data in second waveform；
Second communication module, including：
Encoding submodule, for encoding to data to be sent according to the format information and the second coded system, obtains
Second coded data, wherein, second coded system is that the intelligent cipher key equipment sends the corresponding waveform institute of audio signal
The coded system for using；
Sending submodule, for sending the corresponding waveform of second coded data.
12. intelligent cipher key equipments according to claim 11, it is characterised in that the intelligent cipher key equipment also includes：
Acquisition module, for obtaining first coded system and second coded system.
13. intelligent cipher key equipments according to claim 11 or 12, it is characterised in that the format information also includes：
The length of the data head after protected field before the frame and before the valid data；And
The length of the data tail after the valid data and before the postamble protected field.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048538.XA CN103795544B (en) | 2014-02-12 | 2014-02-12 | Audio signal transmitting method, mobile terminal and intelligent secret key device |
| PCT/CN2015/070553 WO2015120759A1 (en) | 2014-02-12 | 2015-01-12 | Audio signal transmission method, mobile terminal and intelligent key device |
| SG11201605737WA SG11201605737WA (en) | 2014-02-12 | 2015-01-12 | Audio signal transmission method, mobile terminal and intelligent key device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048538.XA CN103795544B (en) | 2014-02-12 | 2014-02-12 | Audio signal transmitting method, mobile terminal and intelligent secret key device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795544A CN103795544A (en) | 2014-05-14 |
| CN103795544B true CN103795544B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410048538.XA Active CN103795544B (en) | 2014-02-12 | 2014-02-12 | Audio signal transmitting method, mobile terminal and intelligent secret key device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103795544B (en) |
| SG (1) | SG11201605737WA (en) |
| WO (1) | WO2015120759A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795544B (en) * | 2014-02-12 | 2017-04-19 | 天地融科技股份有限公司 | Audio signal transmitting method, mobile terminal and intelligent secret key device |
| CN104954097A (en) * | 2015-04-29 | 2015-09-30 | 上海林果实业股份有限公司 | Audio communication device and encoding method |
| CN107645364B (en) * | 2016-07-22 | 2022-12-09 | 山东壹号方舟机器人智能科技有限公司 | Complementary coding method and device, complementary decoding method and device, and OvXDM system |
| CN109688617A (en) * | 2017-10-19 | 2019-04-26 | 阿里巴巴集团控股有限公司 | Data transmission system, method and device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419540B (en) * | 2007-10-26 | 2012-09-26 | 戴尔产品有限公司 | Audio system of information processing system |
| CN102223234B (en) * | 2011-06-17 | 2013-11-20 | 飞天诚信科技股份有限公司 | Electronic signature system and method based on audio communication |
| JP5561497B2 (en) * | 2012-01-06 | 2014-07-30 | ヤマハ株式会社 | Waveform data generation apparatus and waveform data generation program |
| CN103532703B (en) * | 2013-09-26 | 2017-04-19 | 天地融科技股份有限公司 | Data processing method and terminal |
| CN103795544B (en) * | 2014-02-12 | 2017-04-19 | 天地融科技股份有限公司 | Audio signal transmitting method, mobile terminal and intelligent secret key device |
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2014
- 2014-02-12 CN CN201410048538.XA patent/CN103795544B/en active Active
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- 2015-01-12 SG SG11201605737WA patent/SG11201605737WA/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015120759A1 (en) | 2015-08-20 |
| CN103795544A (en) | 2014-05-14 |
| SG11201605737WA (en) | 2016-08-30 |
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