785 results about "Broadcast system" patented technology

The invention relates to the technical field of road safety, in particular to a road construction safety self-adaptive warning broadcast system and method, and the method comprises the steps: collecting environment parameters of a construction region in real time; detecting dynamic traffic parameters of vehicles around the construction area; tracking a real-time position and a movement track of the construction machinery, and monitoring a safe area border crossing behavior of a constructor; predicting a dynamic risk level in the construction area based on the environmental parameters, the dynamic traffic parameters, the construction machinery motion trail and the personnel border crossing state, and generating a grading response strategy; and outputting a self-adaptive warning signal according to the grading response strategy. According to the method, the problems that a traditional early warning model depends on one-dimensional parameters, the static threshold misjudgment rate is high and the response delay is large are effectively solved, and accurate quantification and real-time early warning of the construction machinery and vehicle conflict risk are achieved through multi-source data fusion and dynamic probability calculation.

The invention discloses a live broadcast system based on AI interaction, and the system specifically comprises a data collection module which is used for obtaining the real-time bullet screen data and interactive behavior data of a user in a live broadcast process; the emotion judgment module is used for determining an emotion tendency state judgment result of the user in the live broadcast process through the real-time bullet screen data and the interactive behavior data; the parameter adjusting module is used for dynamically adjusting an emotion expression parameter of the AI anchor according to a live broadcast content theme and commodity recommendation key information on the basis of the emotion tendency state judgment result; and the style migration module is used for inputting the emotion expression parameters into a style migration model, generating dynamic expression image data and mapping the dynamic expression image data into an image model of an AI anchor. According to the method and the device, dynamic matching between AI anchor image generation and user emotion requirements is realized, the image generation capability of the AI anchor is improved, and the emotion interaction effect between the AI anchor and the user is remarkably enhanced.

A method comprising: at an importer of an IBOC digital radio broadcasting system: establishing a data link to an audio client configured to buffer audio from an audio source over a buffering duration, to produce buffered audio; receiving, from the audio client, an indication of the buffering duration; identifying a logical channel of an IBOC waveform assigned to the audio client and configured to transmit PDUs of the audio at a PDU rate; computing a quantized number of PDUs that is greater than one into which the buffered audio is to be divided at the audio client based on the buffering duration and the PDU rate; sending, to the audio client, an indication of the quantized number of the PDUs; and upon sending importer data requests to the audio client over the data link, receiving, from the audio client, client data responses each including the quantized number of the PDUs.

The invention discloses an intelligent fire evacuation system and method based on dynamic environment perception, and relates to the technical field of fire fighting and safety protection, and the method comprises the steps: collecting real-time data in a fire scene; dividing the evacuation area into a plurality of grid units by using a two-dimensional rasterization technology to form a real-time updated environment map; in combination with dynamic modeling data, an optimal evacuation path is generated by using an improved path planning algorithm; an evacuation path is transmitted to trapped people in real time in a visual and auditory mode, and the visual and auditory mode comprises the use of a dynamic indicator lamp, a marker lamp, an electronic screen and a voice broadcast system; the guidance content is adjusted in combination with real-time data, and the evacuation efficiency is optimized; fire fighting equipment is linked, and the evacuation path environment is optimized; and the evacuation state is monitored through a dynamic data feedback mechanism. According to the invention, an evacuation path is calculated and updated in real time by integrating a sensor network, fire scene dynamic modeling and an intelligent path planning algorithm, and a safe and efficient evacuation scheme is provided for trapped people in a fire.

The invention discloses a flood detention area emergency evacuation early warning method based on environmental perception and intelligent analysis, and relates to the technical field of flood control and disaster mitigation, and the method comprises the steps: collecting the original data of a flood detention area site, and forming a monitoring array; a monitoring array is divided into a plurality of monitoring units according to geographic grids, a rainfall permeation model is established according to rainfall data and soil humidity data, a surface runoff field is constructed in combination with terrain elevation data, and the confluence direction of the runoff field is calibrated through water level data; based on a rainfall penetration model and a surface runoff field, generating a flood detention area inundation evolution sequence, segmenting into an inundation grade map according to a time step length, planning a flood detention area emergency evacuation path, matching with a road network in a geographic information system, generating an optimal evacuation path, and issuing graded early warning information to an early warning area. And sending a withdrawal instruction to residents in the flood detention area through the emergency broadcasting system. According to the invention, by establishing a partition early warning mechanism and a differential early warning strategy, accurate delivery and efficient transmission of early warning information are realized.

BLE audio broadcasting methods, and devices are described. The BLE audio broadcasting method applied to one slave device of a BLE audio broadcasting system comprises: performing a BLE audio data broadcast communication with the master device in a plurality of consecutive isochronous intervals by the slave device; and performing a periodic advertising communication with reverse control with the master device based on a periodic advertising channel within one or more target isochronous intervals being one or more of the consecutive isochronous intervals. The periodic advertising communication with reverse control comprises: determining whether the present slave device is a target slave device that requires a reverse communication; and transmitting a reverse communication data based on the periodic advertising channel in one or more shared reverse control time slots in the one or more target isochronous intervals without need for the master device to allocate an exclusive time slot for the present salve device when the present slave device is determined to be the target slave device, wherein the one or more shared reverse control time slots can be occupied by any one of the slave devices when transmitting the reverse communication data. The present invention can realize reverse control and bi-directional communication of point-to-multipoint audio broadcast communication when information of the slave devices is uncertain, thereby enhancing controllability of the BLE audio broadcasting system.

The invention relates to the technical field of director and picture synthesis methods, in particular to an intelligent director and picture synthesis method of a panoramic live broadcast system, which comprises the following steps: acquiring panoramic video data shot by a panoramic camera; obtaining user feedback data; based on the panoramic video data, generating a shot selection strategy by using a deep reinforcement learning algorithm; detecting a live broadcast key event in real time by using a target detection and tracking algorithm based on the panoramic video data; generating a picture shooting plan sequence according to the shot selection strategy and the live broadcast key event; performing intelligent editing and synthesis on the panoramic video data based on the picture shooting plan sequence; and outputting the synthesized live video. And updating parameters of the deep reinforcement learning algorithm based on the user feedback data, thereby realizing full automation of the program directing process, greatly improving the efficiency, and enabling the system to continuously learn from live broadcast experience through the deep reinforcement learning algorithm and gradually improve the decision-making ability of the system.

According to the sound box directional broadcasting method and device, the equipment and the storage medium provided by the invention, the initial sound box parameters and the sound field data of the target area are acquired, and the sound field data comprise the sound box array position information and the site characteristic information; constructing an acoustic model of the target area according to the site characteristic information and the initial sound box parameters, and simulating a coverage effect of sound in the target area; according to a simulation result, optimizing the initial sound box parameter to obtain a target sound box parameter; and according to the target loudspeaker box parameter, setting a loudspeaker box array position and a beam forming parameter of the loudspeaker box in the target area. According to the invention, by accurately controlling the position of the loudspeaker box array and the beam forming parameters, the sound can be ensured to uniformly cover the target area, and the common problems of non-uniform sound, interference and the like in the traditional broadcasting system can be avoided at the same time. According to the directional broadcasting method, sound can be effectively concentrated to a target area, and interference to a non-target area is reduced.

The invention provides an OFDM signal receiving and processing system and method suitable for an NAVDAT system. According to the method, the characteristics that NAVDAT system signals have synchronous headers, pilot frequencies and the like are fully considered, firstly, the synchronous headers are used for carrying out correlation operation on received data to search a frame starting point, and a signal frame to be demodulated and decoded is obtained in combination with a constant false alarm detection algorithm; and subsequently, carrying out symbol synchronization to determine the FFT window position. Secondly, in combination with a discrete pilot signal, estimating an integral multiple frequency offset error, namely coarse synchronization, and further realizing estimation of a decimal multiple frequency offset error, namely fine synchronization, so as to realize frequency synchronization. And then, channel estimation is carried out by using the pilot signal and adopting a least square method to obtain the channel frequency response of the pilot, the frequency response of the complete signal is obtained through interpolation, and the rough estimation result is further processed through the designed RCAFCN network to obtain accurate channel estimation, so that the original OFDM signal is recovered. And finally, extracting a data part in the OFDM signal according to a frame structure, realizing soft demodulation through a log-likelihood ratio mode, decoding data of a signaling part by using a polarization code, and decoding data of a service part by using a low-density parity check code, thereby realizing complete demodulation and decoding. The method provided by the invention can effectively reduce inter-symbol interference and inter-carrier interference existing in OFDM signals, compensate channel distortion, reduce noise influence, improve decoding precision, improve communication quality, realize optimization of NAVDAT system baseband processing, and guarantee sailing safety of ships on the sea by combining with an existing marine broadcast system.

The invention provides a Bluetooth low-power-consumption audio broadcasting method, and a master device and one or more slave devices of a Bluetooth low-power-consumption audio broadcasting system also perform periodic advertisement communication with reverse control based on a periodic advertisement channel within a target equal time interval, the target slave device sends reverse communication data based on a periodic advertisement channel in a shared reverse control time slot of a target equal time interval under the condition that the master device does not need to distribute an exclusive time slot for the target slave device; the target equal time interval is at least a part of equal time intervals in the plurality of continuous equal time intervals, and the shared reverse control time slot is a time slot which can be occupied by any slave device when transmitting reverse communication data. Compared with the prior art, the embodiment of the invention can realize single-point-to-multipoint audio broadcast reverse control and two-way communication under the condition that the equipment information is uncertain, so that the controllability of the system is improved.

The invention relates to the technical field of network communication and video processing, in particular to an intelligent global cloud live broadcast system based on AI and multi-operator and multi-cloud optimization, and the system comprises a data collection module which is used for collecting live broadcast video streams; the video compression module adopts H.265 coding; the content review module is used for performing multi-modal review; the RPMTS packaging module is used for accessing three operator cloud private line POP nodes through a public network after packaging; the decoding module is used for decoding POP nodes in the middle area; the translation module is used for generating multi-language subtitles or dubbing; the multi-operator and multi-cloud adaptability matrix module calculates an optimal path in combination with an AI algorithm and a multi-cloud cost adaptability matrix; the multi-branch access module is used for realizing branch node cooperative forwarding; and the multi-language distribution module is used for generating multi-language subtitles and dubbles and pushing the multi-language subtitles and dubbles to each global live broadcast platform, so that synchronous distribution is realized, and the system can reduce global live broadcast delay, improve multi-language coverage capability and realize high reliability and cost optimization.

The invention discloses a digital role audio and video data processing system and method and a live broadcast system, and the system comprises a scheduling server which is used for receiving the to-be-explained content of an anchor end, and selecting a specified resource machine in an audio generation server cluster for processing, the audio data generated by the specified resource machine is pulled to the lip language driving and distribution service cluster; a resource machine included in the audio generation service cluster is used for generating audio data according to the received content to be explained; a resource machine in the lip language driving and distribution service cluster is used for generating a digital role driving video at regular time or in real time according to the audio data and a selected digital role in a stream pushing process, and pushing the digital role driving video to a distribution network; and the bottleneck problems that resources are preempted due to single service equipment and the computing power cannot meet the processing requirements are effectively avoided.

The invention provides an emergency broadcast playing method and system for disasters in an outdoor scene, and relates to the technical field of emergency broadcasts, cameras in a region are adopted to monitor the evacuation state of personnel in the outdoor scene in real time, and an emergency broadcast system and a rescue system are triggered through the evacuation state to perform linkage, so that bidirectional information transmission is realized; and the priority of the broadcast content played by the emergency broadcast is adjusted according to different instruction information in bidirectional information transmission, so that the broadcast content has pertinence, and rescue workers can receive key instructions.

The invention discloses a parallel constant-voltage digital audio power amplifier and a broadcasting system. Comprising a line input module, a line output module, a first analog-to-digital conversion circuit, a second analog-to-digital conversion circuit, a third analog-to-digital conversion circuit, a digital signal processor, a single-chip microcomputer, a digital-to-analog conversion circuit, an error comparator, a modulator, an integrating circuit, a pulse width modulation input half-bridge output stage, and a first carrier frequency selection and gain adjustment module. A second carrier frequency selection and gain adjustment module, a first LC filter, a high-frequency compensation network, a communication bus and a power switch. The technical problems that an existing multi-channel parallel digital constant-voltage power amplifier is only limited to power amplifier channels in the same power amplifier, the parallel connection mode only uses the first channel as a main power amplifier and only uses the other channels as slave power amplifiers, and certain limitation exists are solved.

The invention relates to the technical field of live broadcast display, in particular to a live broadcast method and system based on an intelligent digital human model, and a medium. The method comprises the following steps: acquiring user live broadcast environment data; facial expression data, voice data and limb movement data are collected through a multi-modal sensor, and feature fusion processing is carried out to obtain user dynamic portrait data; generating a digital human model in real time based on the dynamic portrait data of the user, and constructing an intelligent driving engine comprising an emotion response module and a semantic understanding module for the digital human model; generating a personalized digital human image and a digital human behavior decision tree based on an intelligent driving engine; analyzing the live broadcast interaction data stream in real time; through multi-modal perception, an intelligent driving engine and a dynamic interaction strategy, a personalized, high-interactivity and self-adaptive flow pushing intelligent digital human live broadcast system is realized, and the technical bottlenecks of existing virtual live broadcast in the aspects of interactivity, personalization, scene fusion and the like are broken through.

The invention relates to the technical field of live broadcast systems, and discloses a multi-scene live broadcast system, which comprises an acquisition module, an encoding module, a transmission module, a processing module, a storage module, a playing module and an interaction module, and is characterized in that the acquisition module, the encoding module, the transmission module, the processing module, the storage module, the playing module and the interaction module are arranged; the system can meet the requirements of various scenes such as live broadcast with goods, online education, entertainment live broadcast and the like, provides more flexible and diversified live broadcast services, adopts advanced coding technologies such as an AAC encoder and an H.264 encoder, carries out quantization processing, improves the compression efficiency and transmission stability of audio and video data, improves the quality of live broadcast pictures and sounds, and improves the user experience. The problems of jamming, distortion and the like are reduced; the interactive experience can be enhanced, the interactive experience between the users is enhanced through the arrangement of the interactive module, the users can participate in live broadcast through various interactive modes, and the participation sense and the satisfaction degree of the users are improved.

The invention relates to the technical field of disaster early warning, in particular to an earthquake early warning method of an emergency early warning broadcast system, which comprises the following steps: acquiring latitude and longitude coordinates of a seismic source and earthquake monitoring data; according to the longitude and latitude coordinates of the seismic source, determining a broadcast station distribution area range which is represented by longitude and latitude; the method comprises the following steps: constructing an earthquake risk topological space based on historical earthquake data, and dividing earthquake risk grades in the topological space; according to the earthquake risk level, determining a corresponding broadcast emergency degree parameter, and generating a broadcast message code; and sending the broadcast message code to broadcast stations in the broadcast station distribution area through a power line carrier and a wireless communication network so as to trigger earthquake early warning broadcast, accurately determining an early warning range through a topological space mapping technology in combination with geological structure data, remarkably reducing early warning blind areas, and avoiding excessive early warning.

The invention relates to a code rate control method and device, a video coding control method and device, a live broadcast system, electronic equipment and a computer readable storage medium. The code rate control method comprises the following steps: entering a forward prediction code rate control stage in a process of performing program stream coding on a to-be-coded image frame; calculating an image frame error between a front frame and a rear frame of the to-be-coded image frame in a forward prediction code rate control stage; calculating a frame-level quantization parameter and a block-level quantization parameter according to the image frame error between the front frame and the rear frame in code rate control; updating the coding rate of the image frame to be coded according to the frame-level quantization parameter and the block-level quantization parameter; according to the technical scheme, the complexity of calculating the quantization parameter in the TPL thread is reduced, the time delay and the data calculation amount are reduced, and the code rate control stability is improved.

The invention relates to the technical field of voice broadcasting, in particular to a voice broadcasting system for an oxygen source compressor, and adopts the technical scheme that the reliability and the control precision of signal acquisition are remarkably improved through intelligent signal recognition, a composite filtering algorithm and a fault-tolerant control mechanism; the control reliability and the voice broadcast accuracy are ensured through triple guarantee of time sequence closed-loop control, a double-relay interlocking mechanism and voice feedback verification, the reliability of the voice broadcast system is improved through digital coding triggering, environment self-adaptive output and multiple safety protection design, and the voice broadcast system is more reliable through intelligent medium recognition, dynamic loading optimization and multiple safety mechanisms. The plug-and-play and reliable operation of the multi-language system is realized, and the mechanical signal of the oxygen source compressor is directly converted into the control signal of voice broadcast through the switching characteristic of the electromagnetic relay, so that the real-time voice prompt of the operation state of the equipment is realized, the operation safety is improved, the complexity and cost of the system are reduced, and the system can be conveniently integrated into the existing equipment.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a broadcast system information (SI) message from a first cell, wherein the broadcast SI message includes SI for connecting to a second cell. The broadcast SI message may include a synchronization signal block (SSB) message, a system information block (SIB) message, a master information block (MIB) message, or any combination thereof. The UE may then transmit a random access channel (RACH) message to the first cell or the second cell based on receiving the SI included within the broadcast SI message, and perform a random access procedure with the second cell to establish a wireless connection with the second cell based on transmitting the RACH message. Subsequently, the UE may communicate one or more messages with the second cell based on the random access procedure.

According to the intelligent voice broadcast system and method for the elevator, elevator car environment data are collected in real time through a multi-source heterogeneous sensor set, and passenger density distribution and movement tracks are calculated through fusion of a millimeter wave radar and a 3D visual sensor; physiological features of a handrail contact area are detected through a biological impedance sensor so as to judge the health state of a passenger, and the current signal-to-noise ratio is dynamically calculated and the voice frequency band is optimized through an environment noise analysis module. Therefore, by constructing a technical system of'multi-modal perception-edge intelligent decision-cross-modal interaction 'and adopting innovative means such as millimeter-wave radar and biological impedance fusion sensing, deep reinforcement learning of a dynamic strategy and a phased array directional sound field, the problems of broadcast stiffness, poor scene adaptability and privacy potential safety hazards are solved. According to the system and method, accurate passenger feature recognition, dynamic voice content generation and multi-channel collaborative feedback are achieved through two-dimensional innovation, and the intelligent level and service efficiency of elevator voice interaction are improved.

An alert broadcast system can receive a first alert message indicating an emergency from an alert management system. The first alert message generated by an emergency alert originator can include a unique identifier associated with the emergency. The alert broadcast system can forward the first alert message to a first group of wireless devices and cause each of the first group of wireless devices to temporarily store the unique identifier. The alert broadcast system can receive a second alert message, including the unique identifier from the alert management system. The alert broadcast system can forward the second alert message to a second group of wireless devices. The respective wireless device can perform an action based on a determination that the respective wireless device has received the first alert message prior to receiving the second alert message and that the second alert message is partly duplicative of the first alert message.

The invention discloses a broadcast signal interference correction method and system, a medium and equipment. A broadcast signal is collected in real time and converted into a digital signal, preprocessing is carried out to obtain a first audio signal, feature extraction is carried out according to the first audio signal to obtain audio features, and corresponding preprocessing is carried out on different types of audio features; integrating the audio features to generate an audio feature matrix, inputting the audio feature matrix into a preset fusion model to output interference analysis, receiving the interference analysis, obtaining a corresponding template in combination with a first confidence coefficient, and filling dynamic parameters to generate a correction strategy and the confidence coefficient; wherein the fusion model comprises a decision tree unit and a multi-modal fusion decision unit; and obtaining a correction index corrected by the correction strategy, generating an evaluation index in combination with interference analysis and the correction strategy, and performing adaptive feedback on the fusion model through the evaluation index. Intelligent detection and automatic correction of broadcast signal interference are realized, and the stability and signal quality of a broadcast system are improved.

The invention relates to the technical field of digital human interaction, and particularly discloses an intelligent digital human live marketing interaction method and system, and the method comprises the steps: extracting a user question from a comment region, carrying out the semantic analysis of the user question through employing a natural language processing technology based on deep learning, extracting the semantic feature representation of the user question, and carrying out the recognition of the semantic feature representation of the user question; the method comprises the following steps: extracting a question from a user, performing semantic matching on the question and each template question in a question library, intelligently determining the template question matched with the question of the user through a multi-granularity query matching mechanism, and outputting an answer corresponding to the template question as digital human interaction content. The semantic comprehension capability and the interaction accuracy of the digital human live broadcast system can be obviously improved, so that more intimate and accurate answer service is provided for the user.

The invention discloses an earthquake early warning and rapid reporting Internet of Things system, method and device and a storage medium. The system comprises an earthquake information acquisition module, a cloud server and an early warning information issuing module. The earthquake information acquisition module is used for acquiring earthquake monitoring physical quantities, generating earthquake monitoring data according to the earthquake monitoring physical quantities and sending the earthquake monitoring data to the cloud server; the cloud server is used for estimating an earthquake grade and an earthquake source position when an earthquake event is identified according to the earthquake monitoring data; and the early warning information issuing module is used for determining a to-be-early-warned area according to the earthquake grade and the earthquake source position, and sending earthquake early warning information to a broadcasting system, mobile equipment and an outdoor alarm system in the to-be-early-warned area at the same time. By adopting the technical scheme, the earthquake can be quickly and accurately detected, and the earthquake early warning information can be quickly and accurately spread, so that the influence of earthquake disasters is reduced.

The invention discloses an AI-based motion subject tracking and streaming media optimization live broadcast system, and particularly relates to the technical field of motion subject tracking and streaming media optimization, AI-driven motion subject detection and tracking and streaming media coding adaptive control are closely fused, and code rate fluctuation of a coding end and bandwidth change of a network end are sensed in real time, so that the accuracy of the motion subject tracking and streaming media optimization live broadcast system is improved. A continuous and explainable live broadcast jitter risk analysis index is constructed, potential image quality jitter and delay risks are identified in advance through fusion of causal rule scoring and time sequence prediction, and the live broadcast jitter risk analysis index is directly mapped into an adaptive coding and transmission adjustment instruction. Priority guarantee, code rate distribution smoothing and delay control optimization of a key area are realized, the definition and playing smoothness of a live broadcast picture are remarkably improved, and sudden jitter and jamming phenomena are reduced.

The embodiment of the invention provides a live broadcast video stream obtaining method and device, and the method comprises the steps that a load balancing service obtains a pressure value of each live broadcast service according to a preset time interval, a plurality of pressure values are obtained, a live broadcast system comprises a live broadcast source service and a plurality of live broadcast services, and the plurality of live broadcast services are in communication connection with the live broadcast source service; the load balancing service responds to a first request currently sent by the target terminal, and sends a target address to the target terminal, so that the target terminal obtains the live video stream through the target address; wherein the target address carries a target acceleration domain name, the target acceleration domain name corresponds to a target live broadcast service in the plurality of live broadcast services, each live broadcast service corresponds to one acceleration domain name, and the target live broadcast service is the current live broadcast service with the minimum pressure value in the plurality of live broadcast services. Through the HLS live broadcast method and device, the problem that the concurrency number upper limit exists in HLS live broadcast in the related technology is solved, and the effect of improving the HLS live broadcast concurrency rate is further achieved.

According to the Halow-WiFi-based broadcast forwarding method, device and equipment and the storage medium provided by the invention, multiple verifications (MAC address verification, packet serial number verification and identity code verification) are carried out on the header protocol of the broadcast packet, so that only the verified broadcast packet can enter a cache for playing, the integrity and correctness of broadcast packet data are ensured, and the broadcast forwarding efficiency is improved. And the problem of out-of-order or repeated receiving is avoided. According to the invention, a self-adaptive network topology and forwarding control architecture is constructed, so that wireless communication with low delay, high throughput and high reliability is realized, and especially in a Hall-WiFi broadcast system and an environment with frequent scene change, rapid and effective transmission of data is ensured.

The embodiment of the invention provides a live broadcast system, a sound card device, an audio acquisition device, a monitoring device, a computer program product and a storage medium. In order to realize wireless connection between the sound card device and other devices in the live broadcast system, a first wireless transmission channel and a second wireless transmission channel can be arranged in the sound card device, and the two wireless transmission channels can work based on different wireless transmission protocols. The first wireless transmission channel can be used for transmission of voice data with a high real-time requirement between audio acquisition equipment and monitoring equipment, and the second wireless transmission channel can be used for transmission of accompaniment audio and other data with a low real-time requirement between accompaniment equipment. Through the mode, the audio acquisition equipment, the monitoring equipment, the accompaniment equipment and the like in the live broadcast system can be accessed to the sound card equipment in a wireless connection mode, and the construction process of the live broadcast system is simplified.

The invention relates to the technical field of live broadcast, in particular to a fishing live broadcast system and method, and the system comprises a data processing unit, and a visual collection unit and a wireless communication unit which are connected with the data processing unit. The visual acquisition unit is used for acquiring visual data in a preset live broadcast area, and the visual data comprises float state information and / or fish image information; the data processing unit is used for carrying out recognition processing according to the visual data to obtain a recognition result, the recognition result comprises the motion state of a float and / or fish state information, and the fish state information comprises at least one of the type, the size and the weight; and the wireless communication unit is used for communicating with a live broadcast platform and sending the visual data and the identification result to the live broadcast platform for display. Through the fishing live broadcast system provided by the invention, the participation sense and experience sense of audiences on live broadcast are greatly enhanced.