70results about "Eavesdropping prevention circuits" patented technology

The embodiment of the invention discloses electronic equipment and a related sound leakage prevention method. The electronic equipment comprises an audio processing unit, a first type of array elements and a second type of array elements, the audio processing unit is used for receiving an initial audio signal and determining a first type of audio signals and a second type of audio signals based on the initial audio signal; the first type of audio signals comprise M first audio signals, and the second type of audio signals comprise N second audio signals; sending the first type of audio signals to the first type of array elements, and sending the second type of audio signals to the second type of array elements; the first type of array elements are used for outputting M first sound wave signals based on corresponding first audio signals; the second type of array elements are used for outputting N second sound wave signals based on corresponding second audio signals; the N second sound wave signals are used for superposition and cancellation with the M first sound wave signals at a plurality of position points in the first preset area. According to the embodiment of the invention, the privacy conversation can be realized when the electronic equipment is used for conversation, and the user experience is improved.

According to an embodiment, an electronic device may comprise at least one housing, at least one sensor, a memory, a first display visually exposed through a first portion of the at least one housing, a second display visually exposed through a second portion of the housing opposite to the first portion of the at least one housing, and at least one processor operatively connected to the at least one sensor, the memory, the first display and the second display. The at least one processor may, based on activation of the second display within a preset time after receiving a user input through a first user interface (UI) capable of executing at least one function of an application, displayed on the first display, identify whether a second UI capable of executing at least one function of the application is disposed on the second display, based on the second UI being disposed, display the second UI on the second display, and based on the second UI being not disposed, generate the second UI corresponding to the first UI based on a size of the second display and display the second UI on the second display.

The invention relates to the technical field of voice processing, discloses a vehicle-mounted call voice processing method and system, electronic equipment and a storage medium, and aims to solve the problems that an existing vehicle-mounted communication system is poor in privacy and low in call quality. Selecting a target playing device of the call audio from the playing devices in the vehicle, and controlling the target playing device to play the call audio; if the current vehicle-mounted call mode is the private call mode, acquiring a current call encryption level; according to the current conversation encryption level, the second playing device is controlled to play the content matched with the encryption level, privacy conversation protection is achieved, interference noise is effectively removed, in-vehicle conversation privacy is protected, and through aliasing reconstruction of conversation audio and music, the driving experience is improved, and the privacy and safety of communication are enhanced.

An accessory for a smart device and a method from controlling the same includes at least one transducer per receiver of the smart device, each transducer physically located in close proximity to a physical location of each receiver. An amplifier outputs noisy frequency signals to each transducer at a power level sufficient to cause the signal-to-noise ratio at each receiver to be negative. A controller outputs the noisy frequency signals for each transducer to the amplifier according to a mode, the controller randomly hopping the noisy frequency signals for each transducer in a manner sufficient to prevent audio processing software associated with each receiver from being able to identify and cancel the noisy frequency signals.

The application discloses a vehicle-mounted voice private call method, device and equipment, and relates to the technical field of vehicle-mounted communication, which comprises the following steps: analyzing a voice signal collected by a microphone array, accurately identifying the position of a caller who initiates a private call and a target object of the call, and then determining the specific target position of the target object in the vehicle based on the target object; and an audio routing controller dynamically establishes a point-to-point private audio transmission channel between a wearable noise canceller and a headrest loudspeaker according to the position of the caller and the target position, so that the private voice is limited in a closed loop link formed by the wearable noise canceller and the headrest loudspeaker of the specified call parties at the physical level, and acoustic diffusion of the voice to other areas of the vehicle cabin is fundamentally inhibited.

An embodiment of this application discloses an electronic device and a related sound leakage prevention method. The electronic device includes an audio processing unit, a first-type array element, and a second-type array element. The audio processing unit is configured to receive an initial audio signal and determine a first-type audio signal and a second-type audio signal based on the initial audio signal, where the first-type audio signal includes M first audio signals and the second-type audio signal includes N second audio signals. The audio processing unit is configured to transmit the first-type audio signal to the first-type array element and the second-type audio signal to the second-type array element. The first-type array element is configured to output M first sound wave signals based on the corresponding first audio signals. The second-type array element is configured to output N second sound wave signals based on the corresponding second audio signals. The N second sound wave signals are used to superimpose and cancel the M first sound wave signals at multiple points within a first preset area. According to the embodiments of this application, when the electronic device is used for calling, a private call can be realized, thereby improving the user experience.

The application discloses a kind of parallel machine detection method and system for pcm telephone system, it is related to communication security technical field, comprising the following steps: S1, when telephone is first opened, collect the reference pressure difference between A-B line in hands-free state and off-hook state, and the reference pressure difference is stored as health profile data, constructs health profile;S2, actual pressure difference between A-B line is continuously detected in the process of talking, sampling frequency cannot be lower than 1 time per second, and real-time dynamic monitoring is carried out to pressure difference value.The parallel machine detection method and system for pcm telephone system proposed in the application, by constructing health profile when telephone is first opened, accurate reference is provided for subsequent detection, effectively distinguishes normal communication state and illegal parallel machine eavesdropping behavior, in the process of talking, system real-time dynamic monitoring pressure difference between A-B line, in combination with line abnormality detection, can accurately identify and shield the misjudgment caused by fault, improve the reliability of detection.

The utility model provides an anti-eavesdropping mobile terminal structure, which relates to the technical field of information security and comprises a main body structure, an adjusting mechanism is movably inserted in the inner surface wall of the main body structure, the main body structure comprises an anti-eavesdropping equipment main body, and a switch is arranged on one side of the outer wall of the anti-eavesdropping equipment main body. According to the anti-eavesdropping device, under the cooperation of the main body structure, an invisible data line is installed outside the SIM card slot, external damage and interference on normal operation of the device are prevented, the storage groove is formed in one side of the outer wall of the anti-eavesdropping device main body, the data line and a data head can be placed in the storage groove to be stored, and timely power storage can be facilitated; and the sliding groove is formed in one side of the outer wall of the anti-eavesdropping equipment main body, so that the cover plate can be conveniently connected to the interior of the sliding groove in a sliding manner, the exterior of the equipment can be protected, storage is facilitated, normal operation of the mobile terminal can be ensured, and the performance of the anti-eavesdropping mobile terminal is improved.

The invention discloses a wearable mobile phone reminding system based on radio frequency detection and Bluetooth information synchronization, and the system comprises a radio frequency detection module which is used for monitoring an incoming call signal of a mobile phone in an anti-eavesdropping box; the Bluetooth transmission assembly is used for being connected with a mobile phone to realize information interaction; the wearable terminal module is used for being connected with a mobile phone through a Bluetooth transmission assembly to achieve incoming call and notification reminding; the information buffering module is used for monitoring the notification message from the intelligent terminal through the Bluetooth transmission component, synchronizing the service and buffering and displaying the notification message in a queue form; the MCU component is used for carrying out data operation processing on the components; wherein the radio frequency detection module, the Bluetooth component, the wearable terminal module and the information buffer module are electrically connected with the MCU component. The method has the beneficial effects that a user can still know the state and key information of the mobile phone through the bracelet in an anti-monitoring environment; the user experience is not sacrificed while the privacy protection of the mobile phone is enhanced; joint transmission reminding of radio frequency signals and network information is realized; and OTA remote firmware upgrading is supported.

The present disclosure provides a communication method comprising registering a public key for a vehicle, generating a pseudonym ID, transmitting the pseudonym ID, verifying whether the vehicle is registered, and storing a first transaction. Registration of the public key for the vehicle comprises receiving a service with a service provider. The pseudonym ID is generated based on the public key. The pseudonym ID and vehicle data are transmitted to a road side unit. Verification as to whether the vehicle is registered with the service provider is performed based on the transmitted pseudonym ID. A transaction including the pseudonym ID and the vehicle data is then stored in a database of the service provider according to a result of the verification.

Various embodiments of the invention are detection systems and methods for detecting call provenance based on call audio. An exemplary embodiment of the detection system can comprise a characterization unit, a labeling unit, and an identification unit. The characterization unit can extract various characteristics of networks through which a call traversed, based on call audio. The labeling unit can be trained on prior call data and can identify one or more codecs used to encode the call, based on the call audio. The identification unit can utilize the characteristics of traversed networks and the identified codecs, and based on this information, the identification unit can provide a provenance fingerprint for the call. Based on the call provenance fingerprint, the detection system can identify, verify, or provide forensic information about a call audio source.

This application provides a microphone control system and an electronic device, and relates to the field of electronic technologies. The microphone control system includes an identity authentication module, a control module, a power supply module, and a microphone module that are sequentially connected. The identity authentication module is configured to: verify identity information of a user based on a trigger operation of the user, and send a switch signal to the control module after the verification succeeds. The control module is configured to control a power supply status of the power supply module based on the switch signal, where the power supply status includes a power-off state and a normal state. The power supply module is configured to supply power to the microphone module when being in the normal state. This can effectively resolve a technical problem that call content of the user is likely to leak.

The invention relates to the technical field of anti-monitoring protection of hotel telephones, in particular to an anti-monitoring protection method, system and device applied to hotel telephones, and the method comprises the steps: determining a link risk reference value at each moment based on the smoothness of all link risk indexes within a preset duration before each moment; the method comprises the following steps: analyzing an abnormal condition of deviation between all link risk indexes and link risk reference values within a preset duration before each moment, and combining the link risk reference values to determine security threat indexes of hotel telephone communication at each moment so as to carry out anti-monitoring protection on hotel telephone communication. According to the invention, the problem of incomplete encryption coverage of a traditional anti-monitoring mechanism is solved, and the anti-monitoring protection capability in the hotel telephone call process is improved.

One or more data protection systems are configured to be mounted on a mobile device, the data protection system being configured and operable for protecting privacy of a user of the mobile device, by preventing remotely obtaining, from the mobile device, data indicative of surroundings of the mobile device including at least one of audio data, visual data and location data.

The invention discloses a mobile phone incoming call reminding device based on radio frequency detection and LED lamp state switching. The anti-eavesdropping device is used for placing a mobile phone needing anti-eavesdropping; the radio frequency detection module is arranged in the anti-eavesdropping device and is used for monitoring whether a calling signal exists or not so as to distinguish an idle state, an incoming call state and an incoming call ending state; the state judgment module is arranged in the anti-eavesdropping device, is connected with the radio frequency detection module and is used for detecting the state of the mobile phone; and the LED indicating system is arranged on the anti-eavesdropping device, is connected with the state judgment module and is used for displaying the current state of the mobile phone. The anti-eavesdropping device has the beneficial effects that whether the mobile phone has an incoming call or not can be judged through the radio frequency detection module, and the communication state of the mobile phone can be reflected in real time through the state of an LED lamp; the incoming call state can be known through a visual means in a mobile phone anti-eavesdropping environment; and practicability is enhanced while an anti-monitoring function is kept.

The invention provides a microphone control system and electronic equipment, and relates to the technical field of electronics, the microphone control system comprises an identity authentication module, a control module, a power supply module and a microphone module which are connected in sequence; the identity authentication module is used for verifying the identity information of the user according to the triggering operation of the user and sending a switching signal to the control module after the verification is passed; the control module is used for controlling the power supply state of the power supply module according to the switching signal. The power supply state comprises a power-off state and a normal state. And the power supply module is used for supplying power to the microphone module in a normal state. The technical problem of easy leakage in a call of a user can be effectively solved.

Embodiments of this application disclose an electronic device and a related sound leakage prevention method. The electronic device includes an audio processing unit, a first-type array element, and a second-type array element. The audio processing unit is configured to: receive an initial audio signal, and determine a first-type audio signal and a second-type audio signal based on the initial audio signal, where the first-type audio signal includes M first audio signals, and the second-type audio signal includes N second audio signals; and send the first-type audio signal to the first-type array element, and send the second-type audio signal to the second-type array element. The first-type array element is configured to output M first sound wave signals based on the corresponding first audio signals. The second-type array element is configured to output N second sound wave signals based on the corresponding second audio signals. The N second sound wave signals are used for superimposition and cancellation with the M first sound wave signals at a plurality of location points in a first preset area. According to embodiments of this application, a private call can be implemented when an electronic device is used for a call, thereby improving user experience.

The invention relates to the technical field of mobile communication, and discloses an anti-monitoring method and device, computer equipment and a storage medium, and the method comprises the steps: collecting audio parameters in a target space when an anti-monitoring function is triggered; the audio parameters comprise environment audio information and human voice audio information; analyzing the audio parameters, and generating adaptive interference noise according to an analysis result; the interference noise is used for interfering monitoring in the current target space by the monitoring equipment. By collecting and analyzing the audio parameters in the target space, the acoustic characteristics of the current space can be accurately grasped, and adaptive interference noise is generated based on the accurate analysis, so that the monitoring of the monitoring equipment on the target space is efficiently interfered, and the success rate and effectiveness of anti-monitoring are greatly improved.

Concepts and technologies are disclosed herein for seamless personal hotspot connectivity via personal hotspot tokens. According to one aspect disclosed herein, a personal hotspot-enabled device can include a processor and a memory. The memory can store instructions of an operating system and a personal hotspot application. The personal hotspot-enabled device can receive a personal hotspot token. The personal hotspot application can recognize, via a short-range communication component, a device identification associated with a peripheral device operating in proximity to the personal hotspot-enabled device. The personal hotspot application can request the personal hotspot token from the operating system. The personal hotspot application can inform the operating system of the device identification. The personal hotspot application can then receive the personal hotspot token associated with the device identification. The operating system can create a personal hotspot. The operating system can automatically authenticate the peripheral device to connect to the personal hotspot.

The invention discloses a radio frequency incoming call remote answering system based on signal relay, comprising: an incoming call detection module for performing time domain analysis on a mobile phone emission signal through a radio frequency technology in a shielding box, and judging whether an incoming call exists in combination with a high-frequency boundary filtering and burst packet statistical mode; the signal bridging module is used for transmitting the incoming call information to the relay communication module through a digital interface; a relay communication module; a virtual call terminal; a channel encryption mechanism; the power supply management system has a low-power-consumption wake-up mechanism and long-time endurance support, and is suitable for an outdoor environment or a high-safety place; the method has the advantages that communication safety is guaranteed, remote answering is achieved, and a mobile phone is prevented from being exposed; the system can be expanded to be used for military police, government, anti-monitoring and other high-security demand scenes; a user does not need to carry a main mobile phone, and convenience and privacy are enhanced.

Methods and devices for supporting charging relating to a group transmission in a wireless communication network. The group transmission involving a group of wireless devices configured to, via one or more direct communication links between each other, participate in transmission of user data between a source wireless device and the network. It is obtained, for each one of wireless devices of the group, a data amount indicator indicating how much data the wireless device has been involved in transmitting as part of the group transmission. It is provided one or more reports based on the obtained data amount indicators to one or more core network nodes.

The application relates to the technical field of mobile communication, and discloses an anti-interception method and device, computer equipment and a storage medium, the method comprising the following steps: when an anti-interception function is triggered, collecting audio parameters in a target space; the audio parameters comprise environmental audio information and human voice audio information; analyzing the audio parameters, and generating adaptive interference noise according to the analysis result; the interference noise is used for interfering with the monitoring of a monitoring device on the current target space. By collecting and analyzing the audio parameters in the target space, the acoustic characteristics of the current space can be accurately grasped, adaptive interference noise is accurately generated based on the acoustic characteristics, the monitoring of the monitoring device on the target space is efficiently interfered with, and the success rate and effectiveness of the anti-interception are greatly improved.

The application relates to the technical field of anti-interception protection of hotel telephone sets, in particular to an anti-interception protection method, system and device applied to a hotel telephone set, which comprises the following steps: determining a link risk reference value at each moment based on the smoothness of all link risk indexes within a preset time length before each moment; determining a security threat index of hotel telephone set communication at each moment by analyzing abnormal conditions of the deviation between all link risk indexes and the link risk reference value within the preset time length before each moment and combining the link risk reference value, so that anti-interception protection is carried out on the hotel telephone set communication. The application solves the problem of incomplete encryption coverage of the traditional anti-interception mechanism and improves the anti-interception protection capability of the hotel telephone set communication process.

The invention relates to the technical field of wire telephone communication, and provides a wire telephone eavesdropping detection method and device, and the method comprises the steps: collecting the double-side call voice of a current call based on a wire telephone; separating the two-side call voice to obtain an inner voice and an outer voice, and performing time axis synchronization on the inner voice and the outer voice to obtain a synchronous two-way voice; and determining an eavesdropping detection result of the current call based on the acoustic characteristics of the synchronous two-way voice and the time conflict judgment result. The method provided by the invention comprises the following steps: collecting double-side call voices of a current call based on a wire telephone; performing separation to obtain inner voice and outer voice, and performing time axis synchronization on the inner voice and the outer voice to obtain synchronous bidirectional voice; the wiretap detection result of the current call is determined based on the acoustic characteristics of the synchronous bidirectional voice and the time conflict judgment result, comprehensive, effective and reliable wire telephone wiretap detection is realized, and the safety of the call based on the wire telephone is further improved.

Disclosed in the embodiments of the present application are an electronic device and a related sound leakage prevention method. The electronic device comprises an audio processing unit, a first-type array element and a second-type array element, wherein the audio processing unit is configured to receive an initial audio signal and determine a first-type audio signal and a second-type audio signal on the basis of the initial audio signal, the first-type audio signal comprising M first audio signals, and the second-type audio signal comprising N second audio signals, and send the first-type audio signal to the first-type array element, and send the second-type audio signal to the second-type array element, the first-type array element being used for outputting M first sound-wave signals on the basis of the corresponding first audio signals, the second-type array element being used for outputting N second sound-wave signals on the basis of the corresponding second audio signals, and the N second sound-wave signals being used for being superimposed with the M first sound-wave signals at a plurality of position points in a first preset region, so that the signals are cancelled out. By using the embodiments of the present application, a private call can be realized when an electronic device is used for performing calling, thereby improving the user experience.

The invention discloses a low-leakage telephone set secret communication circuit which comprises a power supply circuit, an MCU circuit and an encryption circuit. The power supply circuit is connected with an external telephone line to take power and output power; the MCU circuit communicates with external communication equipment to realize telephone communication; and the encryption circuit is connected between the MCU circuit and the external communication equipment and is used for sending encrypted data, and after the external communication equipment is verified to be correct, the MCU circuit and the external communication equipment carry out telephone communication. Through the power supply circuit, external telephone line power taking is realized, and the power supply reliability of equipment is guaranteed; the encryption circuit performs data encryption verification before communication, so that information leakage is effectively prevented, and the communication confidentiality is improved; the three circuits work cooperatively, give consideration to the low leakage characteristic and the confidentiality requirement, provide safe and reliable confidentiality communication support for a telephone set, are suitable for scenes with high information security requirements, and promote improvement of practicability and security of confidentiality communication equipment.

Various embodiments of the invention are detection systems and methods for detecting call provenance based on call audio. An exemplary embodiment of the detection system can comprise a characterization unit, a labeling unit, and an identification unit. The characterization unit can extract various characteristics of networks through which a call traversed, based on call audio. The labeling unit can be trained on prior call data and can identify one or more codecs used to encode the call, based on the call audio. The identification unit can utilize the characteristics of traversed networks and the identified codecs, and based on this information, the identification unit can provide a provenance fingerprint for the call. Based on the call provenance fingerprint, the detection system can identify, verify, or provide forensic information about a call audio source.

A first UE can receive a request to communicate from a second UE. The first UE and the second UE can exchange a first cryptographic key and a second cryptographic key associated with the first and the second UE, respectively. The first UE can receive an encrypted unique identifier associated with the second UE, where the unique identifier identifies a second wireless telecommunication network serving the second UE. The first UE can authenticate the second UE by sending the encrypted unique identifier to a first wireless telecommunication network and sending a request to confirm that the unique identifier is valid. The first UE can receive, from the first wireless telecommunication network, a confirmation that the unique identifier is valid. Upon receiving the confirmation, the first UE can engage in a communication with the second UE.

A base station of a communication system may include an antenna; a memory; and a processor. The processor analyzes a signal received through the antenna to determine if the received signal is a signal transmitted from a fake base station. Based on a determination that the source of the received signal is the fake base station, the processor generates a random access preamble signal for accessing the fake base station. The processor transmits the generated random access preamble signal through the antenna. Thus, the base station may effectively defend against an attack from a fake base station by detecting the fake base station based on collected information of a neighboring base station and causing radio resources of the detected fake base station to be exhausted. Various other embodiments are possible.