1890 results about "Intercom" patented technology

The invention is suitable for the technical field of toll station management, and provides an expressway toll station remote seat guarding and special situation vehicle handling system, which comprises a front-end sensing layer, a rear-end sensing layer and a control layer, the lane equipment comprises a photoelectric sensor, an infrared height limit alarm, a license plate recognition camera, an ETC antenna, an acousto-optic warning ball and a self-service equipment sensor; the network transmission layer is connected with lane equipment, a sentry box cabinet, a machine room core switch and a monitoring center through an optical fiber network; the remote control layer is composed of a remote seat center, and the remote seat center can carry out video monitoring, visual intercom and remote control; and the abnormity alarm layer is used for carrying out early warning on vehicle detention, vehicle height exceeding, ETC passing faults, toll evasion vehicles and handrail abnormity. The vehicle state can be sensed in real time, data are gathered to a remote seat center through a network transmission layer, an information island is broken, and special conditions can be automatically processed.

The invention discloses an ad hoc network wireless intercom system and method for old cell reconstruction, the system is composed of an outdoor wireless digital host, a wireless repeater and a wireless indoor extension, an ad hoc multi-hop wireless local area network is constructed based on an ESP-WIFI-MESH protocol, redundant communication is realized by adopting a mesh topology structure, and the wireless intercom system and the wireless repeater are used for wireless intercom. The problems of high wiring cost and poor wireless signal coverage in the prior art are solved. The talkback method comprises the following steps: marking an alarm instruction as the highest level through a priority transmission mechanism, and preempting a channel to ensure zero delay of an emergency signal; voice and video data are scheduled in a hierarchical manner, and real-time performance and bandwidth are balanced. The wireless repeaters dynamically allocate IP addresses, support plug and play of extension sets, and realize cross-building communication and remote management in combination with a local area network of a community.

The invention relates to the technical field of dual-mode interphones, and discloses an AI-based dual-mode interphone satellite communication noise reduction method and system, and the method comprises the steps: carrying out the orbit equation solving of satellite ephemeris data, and obtaining a satellite elevation angle and a channel fading parameter; receiving a first voice signal through a dual-mode interphone, and identifying a modulation mode according to the first voice signal; calculating a first noise reduction mask according to the channel fading parameter and the modulation mode; compressing the standard noise reduction neural network to form a lightweight noise reduction model; and starting an FM spectrum subtraction branch or a TETRA filtering branch in the lightweight noise reduction model according to the modulation mode, and performing frequency domain processing on the first noise reduction mask and the first voice signal to obtain a second voice signal, thereby providing stable and reliable real-time voice noise reduction capability for the portable dual-mode interphone in a dynamic satellite environment.

The invention discloses a coal conveying visual voice intercom system. The system comprises a central control module, a video acquisition module, an audio acquisition module, a voice intercom module, a video analysis module, a data storage module, a network communication module, an alarm module, a mobile terminal access module and a power management module. By fusing high-definition video monitoring, intelligent analysis and real-time voice intercom technologies, the safety and operation efficiency of the coal conveying system are remarkably improved. The system adopts a deep learning algorithm to monitor the state of the belt in real time, faults such as deviation, coal blockage and tearing can be recognized in advance, and sudden accidents are reduced; the full-duplex noise reduction voice intercom function ensures efficient communication between the site and the control center, and the emergency response speed is greatly improved. In addition, the system supports mobile terminal access and digital twinning technologies, remote monitoring and predictive maintenance are facilitated, and the operation and maintenance cost is effectively reduced.

The invention relates to the related field of a peacetime and urgency dual-purpose communication technology, in particular to an interphone peacetime and urgency dual-purpose dual-mode parallel communication method. According to the invention, dual-mode parallel communication is carried out through a private network emergency channel and short message communication of a Beidou satellite communication system, the two modes operate independently and do not interfere with each other, when one communication mode is limited, the other communication mode can continue to work, parallel transmission of voice and data is realized, the problem that single communication fails in a complex environment is effectively solved, and the communication efficiency is improved. The continuity and reliability of communication in an emergency scene are ensured, key information is ensured not to be lost, and the development of emergency rescue work is facilitated.

The invention relates to the technical field of field operation safety management, and discloses a field operation personnel safety assessment method based on network data acquisition and positioning, which comprises the following steps: dynamically selecting an anti-interference mode by a multimode positioning technology to obtain positioning data, correcting track offset caused by terrain reflection interference by combining a track prediction model, and calculating the safety of field operation personnel. A signal enhancement node is utilized to construct an ad hoc network to optimize data transmission, a safety evaluation model fused with a topographic slope trend is established for purified positioning data, parameters such as a speed threshold and a safety judgment threshold are dynamically adjusted by detecting surrounding obstacle distribution in real time, and when a safety state is abnormal, the positioning data are subjected to safety evaluation. And generating an optimal risk avoiding path based on the terrain trafficability network, and synchronously starting three-channel emergency broadcast of the cellular network, the wireless talkback and the node relay. According to the method, the complex terrain positioning precision and the anti-interference capability are improved, the data transmission reliability is enhanced, dynamic risk assessment and early warning are realized, and the emergency response efficiency and the rescue success rate are improved.

The invention relates to the technical field of voice processing, in particular to an edge AI-based interphone audio processing method, system and device and a medium, and the method comprises the steps: collecting and analyzing an original audio through an audio collection assembly, and obtaining an audio feature set containing noise and scene features; inputting the image into an edge side audio analysis model to obtain a noise classification and scene recognition result; dynamically adjusting filter parameters, and generating a filtering parameter group adaptive to the current environment; extracting user voiceprint features to construct an exclusive voiceprint library, and optimizing the audio in combination with the filtering parameter group to generate a personalized processing audio; and training the model locally based on the personalized processing audio and the audio feature set, generating update parameters, and updating the audio analysis model for subsequent re-analysis. The technical problem that dynamic adaptation, personalized optimization and low-power-consumption and high-performance balance cannot be achieved at the same time in the prior art can be solved.

The invention relates to the technical field of duplex communication, in particular to an interphone control method and system with a double-segment duplex cross-segment transfer function, and the method comprises the following steps: obtaining frequency band interference information, recording an interference combination, obtaining a conflict path list, extracting a time index, calculating an available time length, forming a frequency hopping scheduling chain, and transmitting the frequency hopping scheduling chain to a server; according to the method, the effective frequency hopping path is screened by recording the frequency band interference combination, extracting the frequency hopping index and combining with the time overlapping rate, the frequency point scheduling accuracy and the time utilization rate are improved, the frequency band interference combination is matched, the frequency point role is set to generate a task structure chart, the direction identification is read to adjust the frequency band interaction operation, and the number and the period are set to construct a transfer control instruction. The difference value of the number of main and standby frequency points is calculated and classified, the frequency point distribution structure is optimized, resource mismatching is avoided, the sequence of frequency band switching is enhanced through a direction identification comparison and frequency point rearrangement strategy, the situation of mixed use of roles in communication interaction is reduced, and the stability and regulation and control flexibility of multi-frequency-band transfer control are improved.

The invention provides a special digital interphone with recording and broadcasting functions for a railway, which is characterized in that an emergency recording key is pressed down, a master control MCU controls an audio channel management module to communicate a microphone to a recording module and starts the recording module to record, a playback key is pressed down, the master control MCU controls the audio channel management module to communicate the recording module to an audio power amplifier, and the audio power amplifier is started to play the sound. The main control MCU is used for controlling the recording module to output recorded audio to the loudspeaker for playing through the audio power amplifier, and controlling the audio channel management module to communicate the recording module to the radio frequency transceiving and modulation-demodulation module by pressing the emergency broadcast key; and controlling the recording module to output the recorded audio to the radio frequency transceiving and modulation-demodulation module for modulation, and starting radio frequency periodic automatic emission, so as to realize emergency broadcast emission. According to the invention, the limitation that a traditional interphone depends on manual real-time broadcasting is solved, the dangerous case response speed is obviously improved, and the reliability of emergency communication is improved.

The invention provides a broadcast intercom system for rail transit, which can realize a double-line broadcast intercom system of an analog line and an Ethernet digital line, can overcome the defect that an early analog bus system is incompatible with a novel digital Ethernet system, can eliminate intercom echoes and audio howling during intercom, and has the advantages of simple structure, low cost and high practicability. Which comprises a plurality of driver control terminals, each driver control terminal comprises a passenger control unit, and the passenger control unit is connected with a loudspeaker and a microphone, and is characterized in that the driver control terminals are connected with other driver control terminals through a digital Ethernet bus and an analog bus respectively; the passenger control unit is connected with a passenger room broadcasting unit through a digital Ethernet bus and an analog bus and used for intercommunication between the driver control terminals, and the passenger room broadcasting unit is further connected with the passenger room broadcasting unit through a digital Ethernet bus and an analog bus and used for broadcasting of the driver control terminals; the passenger control unit is also connected with a passenger alarm terminal through a digital Ethernet bus and an analog bus, and is used for passenger emergency alarm talkback between the driver control terminal and the passenger alarm terminal.

The invention relates to the technical field of wireless communication, in particular to a public network interphone with a quantum chip. According to the interphone, a master control module and a quantum security chip work cooperatively, a quantum random number generator is used for dynamically deriving a session key, and offline security distribution of a group master key is realized by encrypting a two-dimensional code; in a communication process, a system adaptively switches a voice coding mode according to a network condition, end-to-end authentication encryption is carried out on voice data by using a hardware encryption engine, and low-delay transmission is guaranteed through a network priority mark; the device establishes a complete key life cycle management mechanism, supports regular update and forward security of session keys and instant update and backward security of a group master key when members change, and ensures that all key operations are completed in a quantum chip. According to the invention, various eavesdropping and tampering attacks are effectively resisted, and safe, real-time and clear high-confidentiality voice communication in a public network environment is realized.

The invention belongs to the technical field of wireless communication networks, and relates to an interphone control signal anti-interference method and system, and the method comprises the following steps: obtaining an original signal of an interphone channel, and monitoring a dynamic change value of signal energy in real time; triggering a jump starting event when an energy jump characteristic conforming to instantaneous sudden increase in the original signal is identified; after the jump starting event occurs, tracking a subsequent energy stable state of the signal, and generating a steady state holding event when it is detected that the stable strength of the signal in a preset fluctuation allowable boundary reaches a preset continuous holding reference duration; recording a spectrum contradiction event; capturing an energy attenuation form in a signal ending stage, and generating an ordered ending event; verifying the event chain logic sequence, and judging the event chain logic sequence as an effective control operation sequence; and executing a channel switching or calling control instruction corresponding to the interphone. According to the invention, the fundamental defects of high response delay and poor scene adaptability in the traditional mode are overcome.

The invention is suitable for the technical field of communication, provides an interphone communication method based on artificial intelligence and a related device, and realizes simultaneous translation among different language types in interphone communication. The interphone communication method based on artificial intelligence mainly comprises the following steps: acquiring first audio data of a speech of a target user; identifying a language type corresponding to the first audio data, and obtaining a first target language type of the first audio data; if the first target language type is not consistent with a preset output language type, inputting the first audio data into a first preset artificial intelligence model for processing to obtain first target audio data conforming to the output language type, the first preset artificial intelligence model is a trained model capable of translating the input audio data of multiple languages into the output audio data of multiple preset languages; and transmitting the first target audio data to a second interphone, so that the second interphone obtains and plays the first target audio data.

The utility model provides an intelligent scheduling command platform with integrated scheduling, and effectively solves the problem that the scheduling work is influenced because an interphone and a camera in the prior art are lack of effective means of effective electric quantity. The dispatching command platform comprises an electric quantity monitoring module, the electric quantity monitoring module comprises a primary diagnosis circuit and a secondary diagnosis circuit, the primary diagnosis circuit detects a current signal of a battery in dispatching equipment during use by using a current sensor, obtains a reminding signal and an early warning signal based on the current signal, and sends the reminding signal and the early warning signal to the secondary diagnosis circuit; the reminding signal and the early warning signal are output to a command center; the primary diagnosis circuit is connected with one end of the secondary diagnosis circuit, and the other end of the secondary diagnosis circuit is connected with the command center.

The invention belongs to the technical field of wireless communication, and particularly discloses an interphone channel allocation optimization method and system based on signal intensity, and the method comprises the steps: collecting an actual interference signal of an engineering site, achieving the efficient recognition of a novel interference mode, and remarkably improving the communication reliability in a complex environment; the method comprises the following steps: respectively executing a first channel allocation strategy and a second channel allocation strategy by determining an interference source type of an application engineering site to realize accurate allocation of channel resources in different interference scenes; a first channel allocation strategy including full-band channel switching and directional antenna beam adjustment is adopted, so that the communication continuity and reliability in a complex interference environment are effectively improved; the active channel switching mechanism is triggered by calculating the path signal consumption factor in combination with the signal shielding body information, and then the second channel allocation strategy is realized according to the service type, so that the communication quality and efficiency in a dynamic environment can be improved.

The invention belongs to the technical field of communication, and particularly relates to a Bluetooth-based multi-user ad hoc network talkback implementation method, which comprises the following steps that: equipment to be networked initiates a networking request; the to-be-networked device sends a broadcast data packet to the surrounding device in a broadcast or scanning mode, and continuously scans the surrounding device; screening the equipment of which the parameters of the surrounding equipment accord with a preset connection condition as target networking equipment; establishing a communication channel connection between the to-be-networked device and the target networking device, wherein the communication channel comprises a data transmission channel and a voice transmission channel; performing connection quality evaluation on the communication channel by adopting a connection quality evaluation mechanism, generating an evaluation result, and adjusting networking connection according to the evaluation result; according to the scheme, through an innovative equipment discovery and connection strategy, an efficient networking protocol and topological structure, optimized voice transmission quality and dynamic connection management and optimization, the convenient, efficient and high-quality requirements of multi-person real-time intercom communication can be met.

The invention discloses a human-pet talkback method and system based on multi-modal interaction, and relates to the field of artificial intelligence. The method comprises the steps that dialogue signals sent by a user equipment side for a target pet are received, animal voice information corresponding to the dialogue signals is determined according to a local language library, and the local language library comprises the corresponding relation between each dialogue signal and the animal voice information; acquiring real-time reflection data of the target pet for the dialogue signal, wherein the real-time reflection data comprises sound data, action image data and environment data of the target pet; and inputting the real-time reflection data into the multi-modal translation model to obtain a translation result that the target pet responds to the dialogue signal, and sending the translation result to the user equipment. According to the embodiment of the invention, the sound data, the action data and the environment data are integrated in the translation result, the efficient fusion of the data is realized, the translation reliability is improved, the problems of low confidence and high misjudgment rate are solved, and the accuracy and adaptability of human-pet interaction are improved.

1. Name of the design product: Bird Feeder (A20S). 2. Use of the design product: A camera for video surveillance and image data collection. The device can conduct two-way intercom. The camera can identify various birds and can hold bird food. 3. Design key points of the design product: The overall shape of the product. 4. Picture or photo that best shows the design key points: 3D view of Design 1. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of intelligent transportation, and discloses a mine intelligent transportation method and system. The method comprises the following steps: performing time sequence filtering and gradient denoising on mine transportation node temperature data acquired by a thermal imaging camera to obtain a temperature characteristic matrix; identifying transportation abnormal information based on the temperature characteristic matrix; executing temperature mode matching according to the transportation abnormal information, and generating a transportation operation instruction set; performing mine channel temperature safety path planning by taking the transportation operation instruction set as a constraint condition to obtain a transportation execution scheme; after the specific position of a mine worker is positioned in real time through a thermal imaging camera, a transportation execution scheme is converted into a standardized voice instruction, the standardized voice instruction is pushed to the corresponding worker through an interphone network partition, and scheduling feedback data containing instruction receiving confirmation and execution progress are obtained in real time. According to the invention, operators are accurately positioned through thermal imaging, and partition pushing is realized in combination with an interphone network, so that the intelligent level and safety of mine transportation are improved.

The application discloses a waterproof and floatable intercom, and relates to the field of intercom waterproofing, which comprises a shell, a gas bag assembly arranged in the shell, the gas bag assembly comprising a storage plate, two groups of the storage plates being symmetrically arranged about the vertical center plane of the intercom, a connecting shaft fixedly connected to one side of the storage plate, a gas channel being formed in the connecting shaft, a gas bag one being arranged in the storage plate, part of the gas bag one being adhered to the inner wall of the storage plate, and a rubber sealing strip being clamped on the storage plate, a gas generating assembly arranged on the lower side of the shell, the gas generating assembly being used for inflating the gas bag one in the gas bag assembly when a falling-in-water state is detected, and a state adjusting assembly arranged on the upper and lower ends of the shell, the state adjusting assembly being used for adjusting the intercom to be in a vertical posture underwater.

The invention provides a test management auxiliary method and system based on gesture recognition, and the method comprises the steps: collecting video information through cameras disposed in all working places in a test field, and obtaining the working state information of all working equipment in the test field, identifying the test progress and the working state of the test site based on the video information and the working state information; whether a worker gesture exists in the video information or not is recognized, the worker gesture is recognized, gesture instruction information is obtained, and the worker gesture comprises at least one of a static gesture and a dynamic gesture; and determining the current test progress and working state of the test site according to the gesture instruction information, and recording and prompting test management personnel of the current test progress and working state of the test site. According to the invention, the test management personnel can inquire the test progress through gestures, so that the use of a traditional interphone communication mode to transmit information is avoided, and the test working efficiency is improved.

The invention discloses a wireless talkback and smart home integrated system for a smart cell and a control method thereof, an ad hoc network wireless local area network is constructed through an ESP-WIFI-MESH protocol, and the wireless talkback and smart home integrated system comprises an outdoor host, a wireless repeater and an indoor extension. The system adopts mesh topology to realize multi-hop redundant transmission, automatically selects an optimal path and ensures communication reliability; dynamic priority scheduling of alarm, voice, video and smart home control data is supported, wherein the alarm signal is the highest priority. The indoor extension set is integrated with a multi-protocol gateway and is compatible with Wi-Fi / Bluetooth / ZigBee equipment, so that wireless access of smart home such as water, electricity and meters is realized. The community integrated management platform monitors the state of equipment in a centralized manner, and supports remote management, anomaly detection and emergency linkage. The system has the advantages of being low in cost, easy to expand, short in construction period and the like, the problems of complex wiring, signal shielding and the like in old community reconstruction are effectively solved, and community security and protection intelligence is improved.

The invention provides an AB door biological recognition management and control system which comprises a data application server deployed in a prison or a machine room, a door A, a door B, a biological recognition visual intercom door control host and an interactive terminal entrance machine. An administrator corresponding to a door cannot manually open a door controlled by the administrator, an AB door pedestrian path arranged in a supervision place or in the supervision place is a unique personnel access path outside and inside the supervision place, management and control of the path are enhanced, detailed identity recognition is carried out on personnel entering and exiting the AB door, and access records are reserved for query; two or more units or personnel respectively manage and control different doors of the same channel, the purpose of enhancing management and control of the doors A and B is achieved, superposition of system re-check and manual re-check is achieved, safety is improved, opening of people situation doors is eradicated, and management and control of pedestrian passageways of the doors A and B are enhanced.

The invention discloses an interphone power saving method and device for dynamically adjusting a low noise amplifier working point, and the method comprises the following steps: S1, periodically collecting a digital intermediate frequency signal in a receiving stage, and calculating a first parameter and a second parameter, the first parameter being a current received signal strength indication value, and the second parameter being a current signal-to-noise ratio estimation value; s2, when the first parameter is higher than a first threshold value and the second parameter is higher than a second threshold value, it is judged that a low-power-consumption access condition is met; s3, when N continuous cycles all meet the low-power-consumption access condition, the baseband processor outputs a first control signal, and the bias working point of the low-noise amplifier is switched to a low-power-consumption mode; and S4, in a low-power-consumption mode, if the first parameter is lower than a third threshold value or the second parameter is lower than a fourth threshold value, outputting a second control signal, and switching the bias working point of the low-noise amplifier to a high-performance mode, thereby solving the problem of high static power consumption of the interphone receiving link on the premise of ensuring the communication reliability.

A hearing aid, comprising a microphone configured to produce a microphone output signal representing sounds transduced by the microphone; an earphone speaker configured to convert an equalized output electrical signal into acoustic waves; a Bluetooth wireless transceiver; and an automated processor configured to spot a plurality of different keywords; and selectively control a Bluetooth communication partner dependent on the spotted keyword.

A voice intercom system and method therefor are disclosed. The method includes wirelessly transmitting intercom directory data to a smartphone. The intercom directory data facilitates generation, on the smartphone, of an intercom access directory interface having a plurality of call initiation selection options, each with respect to which a call to a respective call recipient can be attempted.

To provide an intercom system capable of setting, by operation on a wireless master unit, the wireless master unit itself to a sleep mode.SOLUTION: An intercom system has a slave unit 1 with a function to call a resident and a master unit 2 with a function to respond to calls from the slave unit 1, and the master unit 2 includes a portable wireless master unit 31 in addition to a fixedly installed main master unit 21, and the wireless master unit 31 can respond to calls from the slave unit 1 by wirelessly communicating with the main master unit 21. The wireless master unit 31 has a sleep button 33a that sets the wireless master unit to a sleep mode in which no calling operation is performed. When the wireless master unit 31 is set to the sleep mode, no calling operation is performed even if the slave unit 1 is operated to call and a call signal is sent to the wireless master unit 31 via the main master unit 21.SELECTED DRAWING: Figure 1

The invention provides the LDSW multifunctional wireless communication terminal capable of being connected with a mobile network and a smart phone and capable of being moved, and the working method of the LDSW multifunctional wireless communication terminal. When a network exists, the mobile gateway reader-writer can be connected with everything in an ultra-low power consumption communication mode, and the mobile gateway reader-writer, the ultra-long distance wireless network interphone and the low-cost wireless telephone communication terminal can be used as the mobile gateway reader-writer. When no network exists, the digital interphone can be an ultra-low power consumption confidential digital interphone, a radio and an MP3 player which can still receive emergency broadcast even in a power-off state; an ultra-low power consumption LDSW intelligent label which can be searched and positioned; more functions such as off-line voice recognition, text information editing and sending are realized by utilizing software and hardware resources of a smart phone connected with the mobile phone. Communication with the outside can be realized through a Beidou short message small base station fixed on the ground or on a vehicle; the method can be widely applied to various scenes, especially emergency relief communication scenes.