CN219917845U - Data patch cord capable of encrypting conversation - Google Patents
Data patch cord capable of encrypting conversation Download PDFInfo
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- CN219917845U CN219917845U CN202321292194.8U CN202321292194U CN219917845U CN 219917845 U CN219917845 U CN 219917845U CN 202321292194 U CN202321292194 U CN 202321292194U CN 219917845 U CN219917845 U CN 219917845U
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Abstract
The utility model discloses a data patch cord capable of encrypting a call, which belongs to the technical field of voice encryption equipment, and comprises a terminal interface used for connecting the call equipment, an audio processing module used for encrypting or decrypting the call voice, and an audio interface used for externally connecting a microphone and an earphone; the terminal interface is in interactive connection with the audio processing module, the audio processing module is in interactive connection with the audio interface, the audio processing module comprises an audio encryption device, an audio decryption device, a vocoder and a radio frequency device, the output end of the audio encryption device is connected with the input end of the vocoder, the output end of the vocoder is connected with the input end of the radio frequency device, the output end of the radio frequency device is connected with the input end of the vocoder, and the output end of the vocoder is connected with the input end of the audio decryption device; the utility model has good flexibility, can encrypt the original voice and can ensure the safety of the voice communication from end to end.
Description
Technical Field
The utility model belongs to the technical field of voice encryption equipment, and particularly relates to a data patch cord capable of encrypting a call.
Background
Mobile communication is a widely used communication means for people, and development of communication promotes progress of technology and changes life style of people. The language is the most important means for people to communicate information, the language realizes the social function by means of voice, along with the development of communication technology, the safety problem of mobile communication is also more and more emphasized, the voice communication safety faces a great threat, and the voice signal eavesdropping event continuously occurs. The current mobile communication network architecture is used for researching secret voice communication method, so that the demand is urgent and the difficulty is great.
Voice encryption is very important in modern communication security technology, and when various authorities or commercial institutions and civil fields relate to secure voice communication, various means and methods are adopted to protect and secret voice. The current limited practice is to use private network private lines to realize secret communication, but the cost of the secret communication is very high and the limitation is obvious. This high cost approach is not applicable in both the general civilian and commercial sense. In public telecommunication networks, the transmission of calls may go through links such as mobile phone terminals, base stations, switching devices, etc., where security and privacy are not controllable, and any node may be eavesdropped. Therefore, it is necessary to design a data patch cord capable of encrypting and talking, which has good flexibility, can encrypt the original voice, and can ensure the security of the end-to-end voice communication.
Disclosure of Invention
The utility model provides a data patch cord capable of encrypting a call, which has good flexibility, can encrypt an original voice, and can ensure the safety of end-to-end voice communication.
In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme: the data patch cord capable of encrypting the call comprises a terminal interface 1 for connecting the call equipment, an audio processing module 2 for encrypting or decrypting the call voice, and an audio interface 3 for externally connecting a microphone and an earphone;
the terminal interface 1 is interactively connected with the audio processing module 2, the audio processing module 2 is interactively connected with the audio interface 3, the audio processing module 2 comprises an audio encryption device 21, an audio decryption device 22, a vocoder 23 and a radio frequency device 24, the output end of the audio encryption device 21 is connected with the input end of the vocoder 23, the output end of the vocoder 23 is connected with the input end of the radio frequency device 24, the output end of the radio frequency device 24 is connected with the input end of the vocoder 23, and the output end of the vocoder 23 is connected with the input end of the audio decryption device 22.
Further, the output end of the audio encryption device 21 is connected with the vocoder 23 through the modulation device 25.
Further, the terminal interface 1 at least includes any one of the following: micro-usb interface, type-C interface, lighting device interface that charges.
Further, the audio interface 3 adopts a 3.5mm audio head.
Further, the audio processing module 2 is further connected with a bluetooth device 4, and the bluetooth device 4 is electrically connected with the audio processing module 2.
Further, the audio encryption device 21 adopts a reorganizable encryption circuit.
Further, the audio processing module 2 is also connected with a memory 5.
The utility model has the beneficial effects that:
(1) The traditional secret communication equipment generally adopts a special network special line solution, and needs a special terminal, a special line, special system equipment and the like, so that the traditional secret communication equipment has high system cost, large volume and strong speciality and is difficult to accept by general users. The device is small and convenient, and has good flexibility.
(2) The method for encrypting the data patch cord before the voice enters the transmission equipment is very effective in reducing the danger that secret information caused by interception and interception of a communication line is intercepted and tampered by a third party, and realizes the end-to-end voice encryption communication with low cost, high reliability and universality.
(3) The voice encryption communication method is suitable for various mobile phone terminals to carry out voice encryption communication, does not depend on a third party or a telecom service provider, is compatible with the existing communication networks such as telecom, unicom and mobile, and has better universality and reduced cost orders of magnitude.
(4) Through the standard interface of the mobile phone connecting wire, a voice encryption and decryption module is built in, so that the real-time requirement is met, and the mobile phone has good privacy.
(5) The communication efficiency of the existing mobile communication network can be maintained.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a block diagram of the structure of the present utility model;
FIG. 3 is a block diagram of an audio processing module according to the present utility model;
in the figure, a 1-terminal interface, a 2-audio processing module, a 21-audio encryption device, a 22-audio decryption device, a 23-vocoder, a 24-radio frequency device, a 25-modulation device, a 3-audio interface, a 4-Bluetooth device and a 5-memory are arranged.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The utility model provides a data patch cord capable of encrypting a call, which has good flexibility, can encrypt an original voice, and can ensure the safety of end-to-end voice communication.
Example 1: as shown in fig. 1-3, the data patch cord capable of encrypting a call includes a terminal interface 1 for connecting with a call device, an audio processing module 2 for encrypting or decrypting call voice, and an audio interface 3 for connecting with a microphone and an earphone. The audio processing module 2 still be connected with bluetooth device 4, bluetooth device 4 be connected with audio processing module 2 electricity for connect bluetooth headset and bluetooth microphone, the adaptation bluetooth equipment of being convenient for promotes the convenience. The audio processing module 2 is further connected with a memory 5 for storing configuration files and static codebook information.
The terminal interface 1 is interactively connected with the audio processing module 2, the audio processing module 2 is interactively connected with the audio interface 3, and the audio processing module 2 comprises an audio encryption device 21, an audio decryption device 22, a vocoder 23 and a radio frequency device 24. The output end of the audio encryption device 21 is connected with the input end of the vocoder 23, and the audio encryption device 21 is used for encrypting the input voice signals. The audio encryption device 21 employs a reconfigurable encryption circuit that can be loaded to support different encryption components. The output of the vocoder 23 is connected to the input of the radio frequency device 24, and the vocoder 23 is used for encoding or decoding a speech signal. The output end of the radio frequency device 24 is connected with the input end of the vocoder 23, and the radio frequency device 24 is used for receiving and transmitting the voice signal in the public network. The output end of the vocoder 23 is connected to the input end of the audio decryption device 22, and the audio decryption device 22 is used for decrypting the input voice signal. The output end of the audio encryption device 21 is connected with the vocoder 23 through a modulation device 25, and the modulation device 25 is used for modulating the voice signal into a voice-like signal.
The terminal interface 1 at least comprises any one of the following: micro-usb interface, type-C interface, lighting device interface that charges can be including one or more interfaces wherein, can adapt to common android communication device and the apple communication device in the market, has extensive suitability.
The audio interface 3 adopts a 3.5mm audio head, a 3.5mm audio head switching microphone and an earphone module, and is used for receiving and transmitting voice signals.
The working principle of the utility model is as follows:
the terminal interface 1 is connected to a call device, which may be a mobile phone, a tablet computer or other terminal device, and the audio interface 3 is connected to an external microphone and earphone device. After receiving the voice signal input from the external device or the communication terminal device, the data patch cord encrypts the voice signal through the audio processing module 2, sends the voice signal to the public mobile communication network voice channel, and the receiving end can restore the voice plaintext after reverse operation.
The audio encryption device 21 encrypts the input voice signal, modulates the voice signal into a voice-like signal by the modulation device 25, encodes the voice signal by the vocoder 23, and transmits the voice signal to the radio frequency device 24 for transmission and reception over the public network. The receiving end performs reverse operation, the radio frequency device 24 receives and transmits voice signals in the public network, decodes the voice signals through the vocoder 23, and decrypts the input voice signals through the audio decryption device 22.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.
Claims (7)
1. The utility model provides a data patch cord that can encrypt conversation which characterized in that: the data patch cord capable of encrypting the call comprises a terminal interface (1) for connecting the call equipment, an audio processing module (2) for encrypting or decrypting the call voice, and an audio interface (3) for externally connecting a microphone and an earphone;
the terminal interface (1) and the audio processing module (2) are in interactive connection, the audio processing module (2) and the audio interface (3) are in interactive connection, the audio processing module (2) comprises an audio encryption device (21), an audio decryption device (22), a vocoder (23) and a radio frequency device (24), the output end of the audio encryption device (21) is connected with the input end of the vocoder (23), the output end of the vocoder (23) is connected with the input end of the radio frequency device (24), the output end of the radio frequency device (24) is connected with the input end of the vocoder (23), and the output end of the vocoder (23) is connected with the input end of the audio decryption device (22).
2. The data patch cord of claim 1, wherein: the output end of the audio encryption device (21) is connected with the vocoder (23) through the modulation device (25).
3. The data patch cord of claim 1, wherein: the terminal interface (1) at least comprises any one of the following: micro-usb interface, type-C interface, lighting device interface that charges.
4. The data patch cord of claim 1, wherein: the audio interface (3) adopts a 3.5mm audio head.
5. The data patch cord of claim 1, wherein: the audio processing module (2) is also connected with a Bluetooth device (4), and the Bluetooth device (4) is electrically connected with the audio processing module (2).
6. The data patch cord of claim 1, wherein: the audio encryption device (21) adopts a reorganizable encryption circuit.
7. The data patch cord of claim 1, wherein: the audio processing module (2) is also connected with a memory (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292194.8U CN219917845U (en) | 2023-05-25 | 2023-05-25 | Data patch cord capable of encrypting conversation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292194.8U CN219917845U (en) | 2023-05-25 | 2023-05-25 | Data patch cord capable of encrypting conversation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917845U true CN219917845U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321292194.8U Active CN219917845U (en) | 2023-05-25 | 2023-05-25 | Data patch cord capable of encrypting conversation |
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| Country | Link |
|---|---|
| CN (1) | CN219917845U (en) |
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2023
- 2023-05-25 CN CN202321292194.8U patent/CN219917845U/en active Active
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