CN107846259A - A kind of omnidirectional's recording screening arrangement and its implementation - Google Patents

A kind of omnidirectional's recording screening arrangement and its implementation Download PDF

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Publication number
CN107846259A
CN107846259A CN201711152330.2A CN201711152330A CN107846259A CN 107846259 A CN107846259 A CN 107846259A CN 201711152330 A CN201711152330 A CN 201711152330A CN 107846259 A CN107846259 A CN 107846259A
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CN
China
Prior art keywords
module
omnidirectional
control
main control
chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711152330.2A
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Chinese (zh)
Inventor
吕前进
胡双喜
杨才山
姚嘉
孙飞
郑晨
梁超
陈本阳
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Tianjin Opto Electronic Information Technology Ltd By Share Ltd
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Tianjin Opto Electronic Information Technology Ltd By Share Ltd
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Publication date
Application filed by Tianjin Opto Electronic Information Technology Ltd By Share Ltd filed Critical Tianjin Opto Electronic Information Technology Ltd By Share Ltd
Priority to CN201711152330.2A priority Critical patent/CN107846259A/en
Publication of CN107846259A publication Critical patent/CN107846259A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication

Abstract

The invention discloses a kind of omnidirectional recording screening arrangement and its implementation, device to include：Main control unit, direction controlling module, Power Control and encrypting module and signal generating module；Signal generating module generates interference signal；Power Control and encrypting module generate ciphering sequence by random number generation module and carry out the regulation of power, and the signal of output is transmitted to direction controlling module；Direction controlling module carries out the regulation of unidirectionally controlled, omnidirectional's control and angle control, adjusted with reaching the output of unidirectional, omnidirectional and angle, realize the transmitting shielding of unidirectional, omnidirectional and any direction according to the setting of parameter.Method includes：Main control chip carries out electric power detection；If electricity is higher than threshold value, continue to run with, otherwise terminate into battery protection processing, flow；Main control chip control omnidirectional control module loading direction firing order；Main control chip controls angle control module load angle firing order；Signal generating module transmitting interference signal is disturbed.

Description

A kind of omnidirectional's recording screening arrangement and its implementation
Technical field
The present invention relates to recording screening arrangement field, more particularly to a kind of omnidirectional recording screening arrangement and its implementation.
Background technology
Emerged in an endless stream with the development of science and technology with the arrival of information age, various steal secret information with the anti-means of stealing secret information, thus Information privacy technology, especially voice messaging secrecy technology, are increasingly valued by people.And it is directly used in recording shielding and sets Standby technology and product are all very rare at home and abroad, thus can be described as the blind spot studied at present.On the other hand, current record Sound technology turns to digital recording, the recording quality of sound pick-up outfit (such as recorder, recording pen) from original tape recording It can also set as needed, record length is hundreds of hours.Meanwhile recording product on the market is numerous, such as MP3, MP4, mobile phone, voice recorder etc..While recording technology develops rapidly, also personal privacy etc. certainly will can be given to bring Serious hidden danger.
And from the existing recording shielding product of existing market, due to the limitation of technology, done mostly for one direction Disturb, interference angle is smaller, and the zonule that can only be directed to immediately ahead of equipment is disturbed, and beyond overlay area, then shield effectiveness is rapid Decline, it is impossible to realize comprehensive shielding, it is impossible to be effectively protected the voice messaging safety of user, brought greatly to user Inconvenience.
Therefore, no matter from the angle for promoting industry development or from the perspective of lifting correlation technique progress, the project Omnidirectional's recording screening arrangement of independent research is all timely and necessary, the release of this equipment, will greatly meet to work as The preceding market demand, while also it is beneficial to the lifting of whole industry technology strength.
The content of the invention
The invention provides a kind of omnidirectional recording screening arrangement and its implementation, the present invention overcomes existing one direction to disturb The deficiency of equipment, using the disturbance-proof design of omnidirectional, ensure that propagation is not used a hidden recorder and revealed to voice messaging, it is described below：
A kind of omnidirectional's recording screening arrangement, omnidirectional's recording screening arrangement include：Main control unit, direction controlling module, Power Control and encrypting module, signal generating module and memory module；
Signal generating module generates interference signal；Power Control and encrypting module are generated by random number generation module encrypts Sequence and the regulation for carrying out power, the signal of output is transmitted to direction controlling module；
Direction controlling module carries out the regulation of unidirectionally controlled, omnidirectional's control and angle control according to the setting of parameter, with up to Output to unidirectional, omnidirectional and angle is adjusted, and realizes the transmitting shielding of unidirectional, omnidirectional and any direction；
Memory module is according to the setting of user, the state parameter in the setting of storage parameters and equipment work, Yong Huke Real-time calling and inquiry parameters.
Wherein, omnidirectional's recording screening arrangement also includes：Power module, the main control unit include：Main control chip, One power supply chip, second source chip；
First power supply chip and second source chip are used to complete the management to power module, ensure voltage stabilization and power supply Safety.
Further, the direction controlling module includes：Unidirectionally controlled module, omnidirectional's control module, angle control module；
The Power Control and encrypting module include：Enciphering algorithm module, random number generation module；
Wherein, omnidirectional's control module includes：Position control module and divide direction power control module；Random number generation module Including：Pseudo-random generation module and hard random generating module.
Further, the random number generation module be using pseudorandom and it is hard be combined at random by the way of；The encryption AES in algoritic module uses SM2 or SM3 cryptographic algorithms.
Wherein, the model AT91SAM7X512 of the main control chip；The model of first power supply chip LD1117A；The model LM2940SX of the second source chip.
A kind of implementation method of omnidirectional's recording screening arrangement, the implementation method comprise the following steps：
1) main control chip judges power supply powering mode, if external power source is powered, then continues executing with step 3), if Lithium battery power supply, then electric power detection is carried out, perform step 3)；
2) if electricity is higher than threshold value, continue to run with, perform step 3)；Otherwise enter battery protection to handle, system is not It is further continued for running, flow terminates；
3) by corresponding I/O interface control signals module generation interference signal source occurs for main control chip；
4) main control chip control pseudo-random generation module and hard random generating module generation random sequence；
5) if lithium battery power supply, main control chip carries out electric power detection again；If electricity is higher than threshold value, continue to transport OK, step 6) is performed, otherwise does not continue to run into battery protection processing, system, flow terminates；
6) main control chip control omnidirectional control module loading direction firing order；Main control chip control angle control module adds Carry angular emission instruction；
7) signal generating module transmitting interference signal is disturbed.
The beneficial effect of technical scheme provided by the invention is：
1st, interference effect is good, directionality is wide：The present invention uses omnidirectional's perturbation technique, solves the office of existing one direction interference Sex-limited, comprehensive protection voice safety；
2nd, level of security is high：The present invention uses the close SM2 and SM3 algorithms of state, ensures that interference information is not filtered out；
3rd, suitable device is wide：The present invention is applied to the higher smart mobile phone and recording pen of Vehicles Collected from Market occupation rate, covers Market overwhelming majority recording product；
4th, using simple：The present invention uses one-key start formula, easy to operate simple and fast, is easy to each colony and uses；
5th, packaged type：The present invention is equipped with high capacity cell, mobile work more than 3 hours, expands use environment.
In summary, interference effect of the present invention is good, level of security is high, suitable device is wide, uses simple, applicable current main flow Smart mobile phone and the sound pick-up outfit such as recording pen, effectively protect voice safety.
Brief description of the drawings
Fig. 1 is a kind of structural representation of omnidirectional recording screening arrangement；
Fig. 2 is signal emission process schematic diagram；
Fig. 3 is the structural representation of omnidirectional's control module；
Fig. 4 is the structural representation of random number generation module；
Fig. 5 is the electrical connection schematic diagram of main control chip and modules；
Fig. 6 is the workflow diagram of the implementation method of omnidirectional's recording screening arrangement.
In accompanying drawing, the list of parts representated by each label is as follows：
1：Main control unit； 2：Direction controlling module；
3：Power Control and encrypting module； 4：Display module；
5：Power module； 6：Signal generating module；
7：Memory module；
11：Main control chip； 12：First power supply chip；
13：Second source chip； 21：Unidirectionally controlled module；
22：Omnidirectional's control module； 23：Angle control module；
31：Enciphering algorithm module； 32：Random number generation module；
221：Position control module； 222：Divide direction power control module；
321：Pseudo-random generation module； 322：Hard random generating module.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below further It is described in detail on ground.
When speech ciphering equipment is acquired to voice signal, recording screening arrangement provided in an embodiment of the present invention passes through omnidirectional Launch interference signal, together gathered with former sound signal by sound pick-up outfit, and interference signal intensity is more than primitive sound signal intensity, So that sound pick-up outfit output noise signal, reaches the purpose that the recording of omnidirectional shields.
Embodiment 1
A kind of recording screening arrangement of omnidirectional, referring to Fig. 1-Fig. 5, the recording screening arrangement includes：Main control unit 1, direction Control module 2, Power Control and encrypting module 3, display module 4, power module 5, signal generating module 6 and memory module 7；
Main control unit 1 includes：Main control chip 11, the first power supply chip 12, second source chip 13；Direction controlling module 2 Including：Unidirectionally controlled module 21, omnidirectional's control module 22, angle control module 23；Power Control and encrypting module 3 include：Add Close algoritic module 31, random number generation module 32.
Further, omnidirectional's control module 22 includes：Position control module 221 and divide direction power control module 222；
Further, random number generation module 32 includes：Pseudo-random generation module 321 and hard random generating module 322.
Main control chip 11 is connected by PB0 to PB7 I/O interfaces with signal generating module 6；Main control chip 11 passes through PB8 I/O interfaces to PB15 are connected with display module 4；The I/O interface and the phase of memory module 7 that main control chip 11 passes through PB16 to PB23 Even；Main control chip 11 is connected by PA0 to PA7 I/O interfaces with Power Control and encrypting module 3；Main control chip 11 passes through PA8 I/O interfaces to PA15 are connected with direction controlling module 2.
Referring to Fig. 2 to Fig. 5, signal is launched in the embodiment of the present invention the course of work：Main control unit 1 passes through main control chip 11 Control signal occurs module 6 and generates signal；Enciphering algorithm module 31 and random number generation module 32 pass through pseudo-random generation module 321 and hard random generating module 322 generate variable power ciphering sequence；Direction controlling module 2 by unidirectionally controlled module 21, The control and regulation of omnidirectional's control module 22 and the travel direction of angle control module 23 and angle, and signal is launched.
The power supply of 6 complete paired systems of power module, it can be external power source power supply, built-in lithium battery can also be used to carry out Power supply.First power supply chip 12 and second source chip 13 complete the management to power module 6, ensure that voltage stabilization and power supply are pacified Entirely.
In the embodiment of the present invention random number generation module 32 be using pseudorandom and it is hard be combined at random by the way of.
Enciphering algorithm module 31 is examined by the certification of national Password Management office and model in the embodiment of the present invention, is used Cryptographic algorithm have SM2 or SM3 cryptographic algorithms.
Wherein, the chip model that the embodiment of the present invention uses to main control chip 11 is not restricted, preferably model AT91SAM7X512 chip is realized.The chip model used to the first power supply chip 12 is not restricted, preferably model LD1117A chip is realized；The chip model used to second source chip 13 is not restricted, preferably model LM2940SX Chip realize.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention, As long as the device of above-mentioned function can be completed.
In summary, recording screening arrangement provided in an embodiment of the present invention is by theaomni-directional transmission interference signal, with former message Number together gathered by sound pick-up outfit, and interference signal intensity is more than primitive sound signal intensity, so that sound pick-up outfit output is made an uproar Sound signal, reach the purpose of the recording shielding of omnidirectional.
Embodiment 2
Referring to Fig. 1-Fig. 6, the embodiments of the invention provide a kind of implementation method of the recording screening arrangement of omnidirectional, the realization Method is corresponding with the recording screening arrangement in embodiment 1, and the implementation method comprises the following steps：
101：Whole device carries out electricity, and main control chip 11 detects power up, and is initialized, and completes parameters Initial configuration；
102：Main control chip 11 judges power supply powering mode, if external power source is powered, then continues executing with step 104, If lithium battery power supply, then electric power detection is carried out, perform step 103；
103：If electricity is higher than threshold value, continue to run with, perform step 104；Otherwise enter battery protection to handle, system Do not continue to run, flow terminates；
104：Main control chip 11 occurs module 6 by corresponding I/O interface control signals and generates interference signal source；
105：Main control chip 11 controls pseudo-random generation module 321 and hard random generating module 322 to generate random sequence；
106：If lithium battery power supply, main control chip 11 carries out electric power detection again；If electricity is higher than threshold value, after Reforwarding row, step 107 is performed, otherwise do not continue to run into battery protection processing, system, flow terminates；
107：Main control chip 11 controls the loading direction firing order of omnidirectional's control module 22；
108：The load angle firing order of main control chip control angle control module 23；
109：Signal generating module 6 is launched interference signal and disturbed.
In summary, the embodiment of the present invention realizes theaomni-directional transmission interference signal by above-mentioned steps 101- steps 109, together Former sound signal is together gathered by sound pick-up outfit, and interference signal intensity is more than primitive sound signal intensity, so that sound pick-up outfit Output noise signal, reach the purpose of the recording shielding of omnidirectional.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the embodiments of the present invention Sequence number is for illustration only, does not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (7)

  1. The screening arrangement 1. a kind of omnidirectional records, it is characterised in that omnidirectional's recording screening arrangement includes：Main control unit, direction Control module, Power Control and encrypting module and signal generating module；
    Signal generating module generates interference signal；Power Control and encrypting module generate ciphering sequence by random number generation module And the regulation of power is carried out, the signal of output is transmitted to direction controlling module；
    Direction controlling module carries out the regulation of unidirectionally controlled, omnidirectional's control and angle control, to reach single according to the setting of parameter Output to, omnidirectional and angle is adjusted, and realizes the transmitting shielding of unidirectional, omnidirectional and any direction.
  2. A kind of 2. omnidirectional's recording screening arrangement according to claim 1, it is characterised in that omnidirectional's recording screening arrangement Also include：Power module, the main control unit include：Main control chip, the first power supply chip, second source chip；
    First power supply chip and second source chip are used to complete the management to power module, ensure that voltage stabilization and power supply are pacified Entirely.
  3. A kind of 3. omnidirectional's recording screening arrangement according to claim 1, it is characterised in that
    The direction controlling module includes：Unidirectionally controlled module, omnidirectional's control module, angle control module；
    The Power Control and encrypting module include：Enciphering algorithm module, random number generation module；
    Wherein, omnidirectional's control module includes：Position control module and divide direction power control module；Random number generation module bag Include：Pseudo-random generation module and hard random generating module.
  4. A kind of 4. omnidirectional's recording screening arrangement according to claim 3, it is characterised in that
    The random number generation module be using pseudorandom and it is hard be combined at random by the way of；Adding in the enciphering algorithm module Close algorithm uses SM2 or SM3 cryptographic algorithms.
  5. A kind of 5. omnidirectional's recording screening arrangement according to claim 2, it is characterised in that the model of the main control chip AT91SAM7X512。
  6. A kind of 6. omnidirectional's recording screening arrangement according to claim 2, it is characterised in that the type of first power supply chip Number it is LD1117A；The model LM2940SX of the second source chip.
  7. A kind of a kind of 7. implementation method of omnidirectional recording screening arrangement for described in claim 3 or 4, it is characterised in that institute Implementation method is stated to comprise the following steps：
    1) main control chip judges power supply powering mode, if external power source is powered, then step 3) is continued executing with, if lithium is electric Pond powers, then carries out electric power detection, performs step 3)；
    2) if electricity is higher than threshold value, continue to run with, perform step 3)；Otherwise enter battery protection handle, system not followed by Reforwarding row, flow terminate；
    3) by corresponding I/O interface control signals module generation interference signal source occurs for main control chip；
    4) main control chip control pseudo-random generation module and hard random generating module generation random sequence；
    5) if lithium battery power supply, main control chip carries out electric power detection again；If electricity is higher than threshold value, continue to run with, Step 6) is performed, otherwise does not continue to run into battery protection processing, system, flow terminates；
    6) main control chip control omnidirectional control module loading direction firing order；Main control chip control angle control module loading angle Spend firing order；
    7) signal generating module transmitting interference signal is disturbed.
CN201711152330.2A 2017-11-19 2017-11-19 A kind of omnidirectional's recording screening arrangement and its implementation Pending CN107846259A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108769841A (en) * 2018-04-24 2018-11-06 新疆大学 A kind of the recording cutting device and its implementation of remote control
CN110098890A (en) * 2019-01-26 2019-08-06 鼎铉商用密码测评技术(深圳)有限公司 A kind of interference signal generator, shell and shell
WO2021074736A1 (en) * 2019-10-14 2021-04-22 International Business Machines Corporation Providing adversarial protection of speech in audio signals

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103236899A (en) * 2013-05-23 2013-08-07 天津光电安辰信息技术有限公司 High-safety recording cut-off device
CN203377888U (en) * 2013-06-17 2014-01-01 合肥赛为智能有限公司 Portable monitoring and interference system
CN105306163A (en) * 2015-10-29 2016-02-03 天津光电安辰信息技术有限公司 Portable recording shielding device and realizing method thereof
CN105306162A (en) * 2015-10-29 2016-02-03 天津光电安辰信息技术有限公司 Mixing-based recording shielding device and realizing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103236899A (en) * 2013-05-23 2013-08-07 天津光电安辰信息技术有限公司 High-safety recording cut-off device
CN203377888U (en) * 2013-06-17 2014-01-01 合肥赛为智能有限公司 Portable monitoring and interference system
CN105306163A (en) * 2015-10-29 2016-02-03 天津光电安辰信息技术有限公司 Portable recording shielding device and realizing method thereof
CN105306162A (en) * 2015-10-29 2016-02-03 天津光电安辰信息技术有限公司 Mixing-based recording shielding device and realizing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108769841A (en) * 2018-04-24 2018-11-06 新疆大学 A kind of the recording cutting device and its implementation of remote control
CN110098890A (en) * 2019-01-26 2019-08-06 鼎铉商用密码测评技术(深圳)有限公司 A kind of interference signal generator, shell and shell
WO2021074736A1 (en) * 2019-10-14 2021-04-22 International Business Machines Corporation Providing adversarial protection of speech in audio signals
GB2604277A (en) * 2019-10-14 2022-08-31 Ibm Providing adversarial protection of speech in audio signals

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Application publication date: 20180327