CN107257335A - Audio information transmissions system - Google Patents
Audio information transmissions system Download PDFInfo
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- CN107257335A CN107257335A CN201710432661.5A CN201710432661A CN107257335A CN 107257335 A CN107257335 A CN 107257335A CN 201710432661 A CN201710432661 A CN 201710432661A CN 107257335 A CN107257335 A CN 107257335A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 26
- 230000000052 comparative effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 241000700605 Viruses Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Hardware Design (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of audio information transmissions system, belong to security protection communication technical field, including outer net gateway and Intranet gateway, information exchange is realized by tone frequency channel wire between outer net gateway and Intranet gateway；Outer net gateway includes：Voice broadcast module, for the data flow of outer grid database to be converted into audio-frequency information in the way of voice broadcast；Sending module, connects voice broadcast module, for audio-frequency information to be sent to Intranet gateway；Intranet gateway includes：Receiving module, for will receive the audio-frequency information that outer net gateway is sent, and is stored as Ad Hoc audio information；Sound identification module, connects receiving module, for Ad Hoc audio information to be converted into the text data corresponding to data flow.The beneficial effect of above-mentioned technical proposal is：By the way of audio stream is as data transfer, the audio stream of transmission is a kind of analog information, is a kind of irregular signal stream, is conducive to evading some Network Security Vulnerabilities such as similar network attack.
Description
Technical field
The present invention relates to security protection communication technical field, more particularly to a kind of audio information transmissions system.
Background technology
Powerful Internet technology so that the people in any two corner in the world can communicate with each other, and with voice
The rise of identification technology, very easily can convey to the opposing party, existing voice by the content described in a side is unreserved
Word can be changed into voice by identification technology, and voice is changed into word, and the information communication current to us provides diversification way
Footpath.
However, the network security problem increasingly spread unchecked, as the internet such as assault, virus leak just increasingly annoyings me
, especially as the industry higher to network security requirement for, it is careless slightly will to the people property safety constitute prestige
The side of body.In order to tackle this problem, use private network communication more, and many safety-protection systems are by the way of being cooperated using intranet and extranet, this
The problem of intranet and extranet safe intercommunication is occurred as soon as.
For Network Communicate Security, it is not always so safe to seem as a series of means such as fire wall, and the write-in of serial ports is write
The security gone out is not also approved that thus, intranet and extranet safety communication technology is urgently improved by network security industry.
The content of the invention
According to the above-mentioned problems in the prior art, a kind of audio information transmissions system is now provided, it is adaptable to which network is pacified
In the whole industry, including outer net gateway and Intranet gateway, realized between the outer net gateway and the Intranet gateway by tone frequency channel wire
The interaction of audio-frequency information；
Multiple first data terminals outside the outer net gateway connection；
The Intranet gateway is included in a dedicated network knot with being connected multiple second data terminals of the Intranet gateway
In structure；
The outer net gateway further comprises：
Voice broadcast module, the data flow for first data terminal to be transmitted is converted into the way of voice broadcast
The audio-frequency information；
Sending module, connects the voice broadcast module, for by the tone frequency channel wire by the audio-frequency information send to
The Intranet gateway；
The Intranet gateway further comprises：
Receiving module, for receiving the audio-frequency information of the outer net gateway transmission and caching；
Sound identification module, connects the receiving module, for the audio-frequency information that will be buffered by speech recognition
It is converted into the text data corresponding to the data flow and preserves to one first storage being connected with the sound identification module
In module.
Preferably, in above-mentioned audio information transmissions system, the outer net gateway also includes the second memory module, connection is described
Voice broadcast module, for caching the data flow.
Preferably, in above-mentioned audio information transmissions system, the sound identification module includes：
First memory cell, for storing the dictionary for speech recognition, the dictionary includes default multiple basic words
Converge；
Recognition unit, connects first memory cell, for according to the basicvocabulary, by the buffered audio
Information is identified as the text data；
First filter element, connects the recognition unit, for rejecting the audio that the recognition unit can not be recognized
Information.
Preferably, in above-mentioned audio information transmissions system, the outer net gateway also includes encrypting module, described send is connected
Module, for giving audio-frequency information encryption；
The encrypting module further comprises the second memory cell, stores the key for being encrypted to the audio-frequency information.
Preferably, in above-mentioned audio information transmissions system, the Intranet gateway also includes deciphering module, described receive is connected
Module；
The deciphering module further comprises the 3rd memory cell, for storing the key；
The buffered audio-frequency information is decrypted using the key being stored for the deciphering module.
Preferably, in above-mentioned audio information transmissions system, the Intranet gateway also includes：
First detection module, for obtaining the message with the audio-frequency information by the tone frequency channel wire, and detects described
Whether message is effective message, and the first detection module exports effective message, and reject be detected as it is invalid invalid
Message；
Second detection module, connects the first detection module and the receiving module respectively, for further detecting institute
Whether be legal message, second detection module exports the legal message if stating effective message, and rejecting is detected as illegally
Invalid packet；
The receiving module obtains the audio-frequency information and cached from the legal message.
Preferably, in above-mentioned audio information transmissions system, the first detection module further comprises：
4th memory cell, for storing default standard message head and standard message tail；
Matching unit, connects the 4th memory cell, for by the heading of the message and the standard message head
Matched, and the message trailer of the message and the standard message tail are matched, and output matching result；
First judging unit, connects the matching unit, for according to the matching result, in the heading and described
The message is judged as effective report when the matching of standard message head and the message trailer and standard message tail matching
Text, is otherwise judged as the invalid packet by the message；
Second filter element, connects first judging unit, for rejecting the invalid packet.
Preferably, in above-mentioned audio information transmissions system, second detection module further comprises：
5th memory cell, for storing default standard message length；
Comparing unit, connects the 5th memory cell, for by the length of effective message and the standard message
Length is compared, and exports comparative result；
Second judging unit, connects the comparing unit, for according to the comparative result, in the length of effective message
Effective message is judged as the legal message by degree when consistent with the standard message length, otherwise by effective message
It is judged as the invalid packet；
3rd filter element, connects second judging unit, for rejecting the invalid packet.
The beneficial effect of above-mentioned technical proposal is：By the way of audio stream is as data transfer, the audio stream of transmission is
A kind of analog information, is a kind of irregular signal stream, is conducive to evading some Network Security Vulnerabilities such as similar network attack.
Brief description of the drawings
Fig. 1 be the present invention preferred embodiment in, the structured flowchart of audio information transmissions system.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
In the preferred embodiment of the present invention, as shown in figure 1, audio information transmissions system, it is adaptable to network security industry
In, including outer net gateway 1 and Intranet gateway 2, audio-frequency information is realized by tone frequency channel wire between outer net gateway 1 and Intranet gateway 2
Interaction；
Outer net gateway 1 connects multiple first data terminals of outside；
Intranet gateway 2 is included in a private network structure with being connected multiple second data terminals of Intranet gateway；
Outer net gateway 1 further comprises：
Voice broadcast module 11, the data flow for the first data terminal to be transmitted changes audio in the way of voice broadcast
Frequency information；
Sending module 12, connection voice broadcast module 11, for being sent audio-frequency information to Intranet gateway by tone frequency channel wire
2；
Intranet gateway 2 further comprises：
Receiving module 21, audio-frequency information and caching for receiving the transmission of outer net gateway 1；
Sound identification module 22, connects receiving module 21, for being changed buffered audio-frequency information by speech recognition
In one first memory module 23 being extremely connected into the text data corresponding to data flow and preservation with sound identification module, for interior
User in net gateway 2 checks.
In above-mentioned technical proposal, outer net gateway 1 is in the way of voice broadcast by the number of outside the first data terminal transmission
Audio stream is changed into according to circulation, and audio is streamed to by Intranet gateway 2 by tone frequency channel wire, because the audio stream of transmission is believed for simulation
Number, it is a kind of irregular signal stream, has blocked the connection of network, so as to has evaded the leakage that other communication modes such as network are brought
Hole is threatened, while also having reached the purpose of intranet and extranet data syn-chronization, realizes the secure communication between Intranet and outer net.Above-mentioned voice
Report is used in existing ripe voice broadcast technology, by calling existing voice broadcast storehouse in internet to realize, Huo Zhetong
Cross one voice of establishment in outer net gateway 1 and broadcast storehouse realization.
In the preferred embodiment of the present invention, outer net gateway 1 also includes the second memory module 13, connects voice broadcast module
11, for caching the data flow from the first data terminal, because the speed of voice broadcast is less than data stream transmitting in network
Speed, it is therefore desirable to by data flow cache, it is to avoid information is failed to report.
In the preferred embodiment of the present invention, sound identification module 22 includes：
First memory cell 221, for storing the dictionary for speech recognition, dictionary includes default multiple basic words
Converge；
Recognition unit 222, connects the first memory cell 221, for according to basicvocabulary, buffered audio-frequency information to be known
Not into text data；
First filter element 223, connects recognition unit 222, for rejecting the audio letter that recognition unit 222 can not be recognized
Breath.
In above-mentioned technical proposal, the audio information transmissions system is applied to the higher industry of network security requirement, such as
Banking institution etc., in the sector field, the content of network information exchange is conditional, and its Intranet only allows to receive specific
Content, therefore all contents for allowing to receive can be split into basicvocabulary and be fabricated to dictionary.Due to internet exchange content
Restricted, the difficulty of speech recognition is low in the audio information transmissions system, improves the degree of accuracy of speech recognition.Further,
Restricted due to internet exchange content, the data message that outer net gateway is received is also specific, therefore the difficulty of voice broadcast
Low, the degree of accuracy of report is high.Therefore can be in the case where meeting intranet and extranet secure communication, it is ensured that the accuracy of information transmission.
In the preferred embodiment of the present invention, outer net gateway 1 also includes encrypting module 14, and linkup transmit module 12 is used for
Give audio-frequency information encryption；
Encrypting module 14 further comprises the second memory cell 141, stores the key for being encrypted to audio-frequency information.
In the preferred embodiment of the present invention, Intranet gateway 2 also includes deciphering module 24, connects receiving module 21, voice
Identification module 22 connects receiving module 21 by deciphering module 24, and deciphering module is used for using key to Ad Hoc audio information solution
It is close；
Deciphering module 24 further comprises the 3rd memory cell 241, for storing key.
Intranet gateway 2 also includes deciphering module 24, connects receiving module 21；
Deciphering module 24 further comprises the 3rd memory cell 241, for storing key；
Buffered audio-frequency information is decrypted using the key being stored for deciphering module 24；
Further, sound identification module 22 is connected by deciphering module 24 with receiving module 21.
In the present embodiment, use in symmetric encipherment algorithm, i.e. the second memory cell 141 and the 3rd memory cell 241
The key of storage is identical, because symmetric encipherment algorithm is used, amount of calculation is small, enciphering rate is fast, encryption efficiency is high.Ensuring
While Security Data Transmission, it is ensured that the transmission of audio-frequency information has faster speed.
In the preferred embodiment of the present invention, Intranet gateway 2 also includes：
First detection module 25, for by tone frequency channel wire obtain with audio-frequency information message, and detection messages whether be
Effective message, first detection module 25 exports effective message, and rejecting is detected as invalid invalid packet；
Second detection module 26, connects first detection module 25 and receiving module 21 respectively, for further detecting effective
Whether message is legal message, and the second detection module 26 exports legal message, and rejecting is detected as illegal invalid packet；
Receiving module 21 obtains audio-frequency information and cached from legal message.
In the preferred embodiment of the present invention, first detection module 25 further comprises：
4th memory cell 251, for storing default standard message head and standard message tail, above-mentioned standard heading and
Standard message tail has a specific length respectively；
Matching unit 252, connects the 4th memory cell 251, for by the length of the heading of message and standard message head
Length matched, and output matching result；When the length of heading is identical with the length of standard message head, then it is assumed that should
Heading is matched with standard message head；And matched the length of the length of the message trailer of message and standard message tail, when
When the length of message trailer is identical with the length of standard message tail, then it is assumed that the message trailer is matched with standard message tail.
First judging unit 253, matching connection unit 252, for according to matching result, in heading and standard message head
Message is judged as effective message when matching and the matching of message trailer and standard message tail, message is otherwise judged as invalid report
Text；
Second filter element 254, connects the first judging unit 253, for rejecting invalid packet.
In the preferred embodiment of the present invention, the second detection module 26 further comprises：
5th memory cell 261, for storing default standard message length；
Comparing unit 262, connects the 5th memory cell 261, for the length of effective message to be entered with standard message length
Row compares, and exports comparative result；
Second judging unit 263, connects comparing unit 262, for according to comparative result, in the length and mark of effective message
Effective message is judged as legal message by quasi- message length when consistent, and effective message otherwise is judged as into invalid packet；
3rd filter element 264, the second judging unit 263, for rejecting invalid packet.
In summary, in above-mentioned technical proposal, the message with audio-frequency information that outer net gateway 1 is sent, first via first
Detection module 25 detects whether above-mentioned message is effective message, and invalid packet is rejected by the second filter element 254, and effective message is then
Detect whether its length is legal, and illegal message is rejected by the 3rd filter element 264, is thus received via the second detection module 26
Module 21 receives effective and legal message, then message is decrypted by the deciphering module 24 of connection receiving module 21,
Thereby it is ensured that between outer net and Intranet information transfer accuracy and security.Further, can be according to the audio information transmissions
Specific requirement of the field that system is used to the accuracy and security of information transfer between outer net and Intranet, selection passes through matching
Heading, matching message tail, one or more of detection messages length screens effectively legal message.
Preferred embodiments of the present invention are the foregoing is only, embodiments of the present invention and protection model is not thereby limited
Enclose, to those skilled in the art, should can appreciate that made by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent substitution and obvious change, should be included in protection scope of the present invention.
Claims (8)
1. a kind of audio information transmissions system, it is adaptable in network security industry, it is characterised in that including outer net gateway and Intranet
Gateway, realizes the interaction of audio-frequency information by tone frequency channel wire between the outer net gateway and the Intranet gateway；
Multiple first data terminals outside the outer net gateway connection；
The Intranet gateway is included in a private network structure with being connected multiple second data terminals of the Intranet gateway；
The outer net gateway further comprises：
Voice broadcast module, the data flow for first data terminal to be transmitted is converted into described in the way of voice broadcast
Audio-frequency information；
Sending module, connects the voice broadcast module, for sending the audio-frequency information to described by the tone frequency channel wire
Intranet gateway；
The Intranet gateway further comprises：
Receiving module, for receiving the audio-frequency information of the outer net gateway transmission and caching；
Sound identification module, connects the receiving module, for being changed the buffered audio-frequency information by speech recognition
One first memory module being extremely connected into the text data corresponding to the data flow and preservation with the sound identification module
In.
2. audio information transmissions system as claimed in claim 1, it is characterised in that the outer net gateway also includes the second storage
Module, connects the voice broadcast module, for caching the data flow.
3. audio information transmissions system as claimed in claim 1, it is characterised in that the sound identification module includes：
First memory cell, for storing the dictionary for speech recognition, the dictionary includes default multiple basicvocabularies；
Recognition unit, connects first memory cell, for according to the basicvocabulary, by the buffered audio-frequency information
It is identified as the text data；
First filter element, connects the recognition unit, for rejecting the audio-frequency information that the recognition unit can not be recognized.
4. audio information transmissions system as claimed in claim 1, it is characterised in that the outer net gateway also includes encryption mould
Block, connects the sending module, for giving audio-frequency information encryption；
The encrypting module further comprises the second memory cell, stores the key for being encrypted to the audio-frequency information.
5. audio information transmissions system as claimed in claim 4, it is characterised in that the Intranet gateway also includes decryption mould
Block, connects the receiving module；
The deciphering module further comprises the 3rd memory cell, for storing the key；
The buffered audio-frequency information is decrypted using the key being stored for the deciphering module；
The identification module is connected by the deciphering module with the receiving module.
6. audio information transmissions system as claimed in claim 1, it is characterised in that the Intranet gateway also includes：
First detection module, for obtaining the message with the audio-frequency information by the tone frequency channel wire, and detects the message
Whether it is effective message, the first detection module exports effective message, and rejecting is detected as invalid invalid packet；
Second detection module, connects the first detection module and the receiving module respectively, for having described in further detection
Imitate whether message is legal message, second detection module exports the legal message, and reject be detected as it is illegal non-
Method message；
The receiving module obtains the audio-frequency information and cached from the legal message.
7. audio information transmissions system as claimed in claim 6, it is characterised in that the first detection module is further wrapped
Include：
4th memory cell, for storing default standard message head and standard message tail；
Matching unit, connects the 4th memory cell, for the heading of the message and the standard message head to be carried out
Matching, and the message trailer of the message and the standard message tail are matched, and output matching result；
First judging unit, connects the matching unit, for according to the matching result, in the heading and the standard
The message is judged as effective message when heading matching and the message trailer and standard message tail matching, it is no
The message is then judged as the invalid packet；
Second filter element, connects first judging unit, for rejecting the invalid packet.
8. audio information transmissions system as claimed in claim 6, it is characterised in that second detection module is further wrapped
Include：
5th memory cell, for storing default standard message length；
Comparing unit, connects the 5th memory cell, for by the length of effective message and the standard message length
It is compared, and exports comparative result；
Second judging unit, connects the comparing unit, for according to the comparative result, effective message length with
Effective message is judged as the legal message by the standard message length when consistent, otherwise judges effective message
For the invalid packet；
3rd filter element, connects second judging unit, for rejecting the invalid packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432661.5A CN107257335A (en) | 2017-06-09 | 2017-06-09 | Audio information transmissions system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432661.5A CN107257335A (en) | 2017-06-09 | 2017-06-09 | Audio information transmissions system |
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| Publication Number | Publication Date |
|---|---|
| CN107257335A true CN107257335A (en) | 2017-10-17 |
Family
ID=60024563
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| CN201710432661.5A Pending CN107257335A (en) | 2017-06-09 | 2017-06-09 | Audio information transmissions system |
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| CN109587119A (en) * | 2018-11-13 | 2019-04-05 | 中国人民解放军国防科技大学 | Data transmission system and method |
| CN113259305A (en) * | 2020-02-13 | 2021-08-13 | 山东亚华电子股份有限公司 | Intranet and extranet communication method and device |
| CN115801444A (en) * | 2022-12-19 | 2023-03-14 | 成都不烦智能科技有限责任公司 | Data transmission method, device, system and storage medium |
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