154 results about "Television system" patented technology

The invention discloses a television interaction method and system based on application scene large model intelligent decision, and the method comprises the steps: receiving an interaction instruction inputted by a user through a smart television, and carrying out the intention recognition reasoning of the interaction instruction, and obtaining an intention set; performing intention classification on the intention set to obtain an intention label corresponding to each intention in the intention set; based on the intention label, identifying a current application scene through AI large model service, and performing intelligent decision according to the intention label and the current application scene to obtain an application scene large model intelligent decision instruction set; and issuing an instruction of the application scene large-scale model intelligent decision instruction set to a corresponding television system or application, and controlling the television system or application to respond to the instruction. According to the invention, user real intention reasoning based on the application scene is realized, and more accurate AI large model service is provided for the user by fusing the system capability and the application capability of the smart television through the association relationship between the user interaction instruction and the application scene.

A method and system is presented for utilizing an automation server and / or a traffic control manager in the content origination workflow to control a multiplexer, data carousel, and / or packager of an interactive television (iTV) system to synchronize the content (audio, video) with the interactive application data. Further, other aspects provide methods and systems for network ad insertion to generate iTV enhanced advertisements by placing a local ad splicer in the network to allow for splicing of both iTV enhanced advertisements and splicing of iTV applications into an MPEG-2 transport stream.

A method of using customer premises cable modem equipment to generate a signal that can be used for leakage detection. Various signal types are described which are usable for the purposes of leakage detection.

The invention discloses an audio test data processing method, system and device based on zero-copy NIO and a dynamic sliding window, and the method comprises the following steps: S1, building a memory mapping file channel, and directly mapping an audio file to a process address space; s2, constructing a double-buffer processing pipeline, and realizing asynchronous decoupling of a collection thread and a calculation thread by adopting a producer-consumer mode; and S3, a dynamic sliding window mechanism is adopted to maintain a real-time audio data interval, and the window size is dynamically adjusted according to a television CPU load. According to the technical scheme of the invention, the problems of high memory occupation, high detection delay and low cross-application data reading efficiency existing in audio testing of a television system in a multi-application concurrent scene are solved.

A method of using customer premises cable modem equipment to generate a signal that can be used for leakage detection. Various signal types are described which are usable for the purposes of leakage detection.

The invention discloses a set top box, a cable television system, a data transmission method and a storage medium, and relates to the technical field of data transmission. The set top box comprises a universal multimedia interface circuit and a processor, the multimedia interface circuit comprises a universal multimedia interface chip and a peripheral circuit; the universal multimedia interface circuit is connected with the processor; the universal multimedia interface chip is connected with a universal multimedia interface chip of a television; the universal multimedia interface chip is used for decomposing a signal sent by the universal multimedia interface chip of the television and forwarding the decomposed signal to the processor; the signals comprise remote control signals and network data; the universal multimedia interface chip is used for acquiring the voltage transmitted by the television; the processor is used for data processing. The requirement of ultrahigh-definition video transmission for high bandwidth can be effectively met, the number of interfaces can be reduced, the cost can be reduced, and light weight of equipment can be realized.

The invention relates to a continuous zoom cycle-scan television system based on a zoom collimation scanning field lens structure and application thereof. Light reflected by a target image horizontally passes through the focusing group, the zooming group, the compensation group and the collimating field lens group in sequence along an optical axis, is obliquely reflected by 45 degrees by the galvanometer group and then vertically passes through the fixed group, is obliquely reflected by 45 degrees by the reflector group again and then horizontally passes through the optical filter switching group leftwards, and finally is imaged on a detector photosensitive surface of the high-definition imaging module; and the high-definition imaging module carries out photoelectric conversion and image processing and then outputs a high-definition video or image. According to the invention, the problem that the image quality is reduced during the swing scanning of the peripheral scanning television is solved, the turn-back of the light path is realized through the cooperation between the galvanometer group and the reflector group, and the galvanometer group rapidly swings the reflector to control the direction of the light beam to realize image motion compensation, so that the peripheral scanning detection function is realized. The system can be used for panoramic dead-corner-free monitoring and detailed reconnaissance of key targets, and is widely applied to the fields of intelligent monitoring, military reconnaissance, automatic driving and the like.

Techniques and systems are provided for identifying a video segment displayed on a screen of a remote television system, and providing an option to switch to an alternative or related version of the video program that includes the video segment. For example, video segments displayed on a screen of a television system can be identified, and contextually-targeted content or contextually-related alternative content can be provided to a television system based on the identification of a video segment. The alternative or related version of the video program can include the currently displayed program in an on-demand format that can be viewed off-line and can be started over from a beginning portion of the program.

Systems and methods for managing bandwidth in a network containing physical displays of electronic devices and virtual displays provided via an extended reality (XR) device are provided. A plurality of content streams are provided to the plurality of displays and a bandwidth amount is assigned to each content stream of the plurality of streams. A field of vision of the user of the XR device is determined and a subset of the plurality of displays that are in the field of vision of the user are determined. The bandwidth amount assigned to at least one of the plurality of content streams is adjusted based on the subset of the plurality of displays that are in the field of vision of the user.

The invention relates to a long-focus large-zoom-ratio television system based on double focusing. The system comprises a lens tube 1, a zoom lens tube 2, a front focusing group 3, a zoom group 4, a compensation group 5, a rear focusing group 6, an optical filter switching group 7, a rear fixing group 8, a pin group 11, a high-definition imaging module 17 and the like, wherein light reflected by a target passes through the front focusing group 3, the zoom group 4, the compensation group 5, the rear fixing group 8 and the rear focusing group 6 and is imaged on the high-definition imaging module 17. The front focusing group 3, the zoom group 4, the compensation group 5, the rear focusing group 6 and the like are respectively driven to translate in the lens tube 1 through sliding of the pin groups 11 in different curve grooves so as to realize continuous change of focal length, and the front focusing group 3 is used for compensating image surface movement caused by object distance change in a small field of view. And the rear focusing group 6 is used for compensating image surface movement caused by environment temperature change in a large field of view. The focal length of the television system is 25mm-1500mm, the zoom ratio is as high as 60 times, and the television system can still work stably in an environment of-45 DEG C to + 90 DEG C.

Techniques are described for expanding and / or improving the Advanced Television Systems Committee (ATSC) 3.0 television protocol in robustly delivering the next generation broadcast television services. Reverse 911 emergency alerts are personalized to a user of each receiver in the ATSC 3.0 system.

The invention discloses a video content retrieval method and device based on television system voice interaction and a terminal, and relates to the technical field of video processing, and the method comprises the steps: when a video is played for the first time, extracting a picture frame from the video at a preset frequency, converting the picture frame into a multi-dimensional image feature vector and a corresponding video timestamp, and carrying out hierarchical storage in a database, constructing vectorized data containing visual semantic information; obtaining a voice retrieval instruction, performing intention recognition and semantic understanding, extracting a detection keyword, and generating a multi-dimensional retrieval feature vector; calculating a matching degree between the multi-dimensional retrieval feature vector and a multi-dimensional image feature vector of a video picture frame stored in a database, and screening out picture frames of which the similarity is higher than a preset similarity threshold to form a retrieval candidate matching set; and determining matched picture playing. The video content retrieval method is efficient, accurate and high in interactivity, and retrieval experience and operation efficiency of the user in the video watching process are remarkably improved.

The invention relates to the technical field of television image communication, in particular to an anti-explosion conference television system and a conference television implementation method. The method comprises the following steps: acquiring an original conference image stream through multi-source image acquisition, performing displacement compensation and multi-resolution fusion, generating a standardized image stream, simulating conference communication transmission, checking image feature quality, deducing equipment load, analyzing the bearing capacity of the explosion-proof conference television, and obtaining a bearing capacity change curve; and according to the curve, screening out a limit load point, carrying out load reduction segmentation, generating a low-load image stream, carrying out path redistribution on the low-load image stream, forming a path distribution matrix, and realizing real-time transmission so as to ensure effective operation of the explosion-proof conference television. According to the invention, a safer and more efficient explosion-proof conference television realization method is realized.

The invention discloses a safe broadcast monitoring method and a safe broadcast monitoring device for a broadcast television system. The safe broadcast monitoring method comprises the following steps: detecting a plurality of continuous fault frames and a plurality of interval normal frames in a video signal; accumulating a plurality of continuous fault frame numbers to obtain a continuous fault frame number; and according to a comparison result of the continuous number of the fault frames and a reference threshold, whether an alarm signal is sent out is determined, and the plurality of continuous fault frames and the plurality of interval normal frames are alternately arranged in the video signal. According to the safe broadcast monitoring method, whether the broadcast fault occurs or not is judged according to the accumulated continuous number of the fault frames, so that the accuracy and the stability of broadcast fault detection are improved.

The present invention discloses a debugging method for a tracking loop of a real-time zoom tracking control system, the method comprising: sampling a plurality of focal length values ​​within the focal length range of a television system of an optoelectronic tracker, obtaining tracking deviation pixels corresponding to each sampled focal length value; determining the correspondence between the focal length, tracking deviation pixels of the television system and the tracking deviation of the tracking loop of the optoelectronic tracker; obtaining the current focal length value of the television system and the current tracking deviation pixels of the tracking loop, determining the current tracking deviation of the tracking loop of the optoelectronic tracker, and compensating the tracking loop based on the current tracking deviation. The present invention can effectively ensure the tracking accuracy of the optoelectronic tracker at short focus, and at the same time ensure the tracking accuracy of the optoelectronic tracker at long focus, that is, ensure the tracking accuracy during the entire process of continuous zooming of the television system.

A television, a television wake-up method, and a television system. The method comprises: when a television enters a sleep state or a standby state, a Bluetooth module in a system chip of a television sets the value of a television state register in a Bluetooth chip of the television as a first numerical value, so that the Bluetooth chip of the television can quickly and accurately acquire information of the television being in a sleep state or a standby state by means of the numerical value of the television state register. Therefore, the speed and reliability of acquiring the television entering a sleep state or a standby state by the Bluetooth chip are improved, thereby improving the speed and reliability of the wake-up operation of the television.

The invention discloses a method and a device for batch production of television system keys and a medium, and relates to the technical field of Android television systems. The method comprises the following steps: acquiring batch key generation materials; a GPG algorithm is used to decrypt the Mgkid.gpg, and a batch of Netflix ESNs are obtained; generating a first random seed PFID and a second random seed PFPK in batches; the method comprises the following steps: reading a Mac.txt file, generating a batch of mac.bin files, and then respectively creating corresponding folders according to the mac.bin files; the method comprises the following steps of: respectively distributing a batch of Netflix ESN (Enhanced Sensor Network), a batch of PFID (Personal Frequency Identifier), a batch of PFPK (Personal FPK), a batch of mac.bin and a batch of Widevine Key into each Mac And executing operation on the keys in each Mac folder to obtain a combined key. According to the method and the device for manufacturing the television system keys in batches and the medium, the problems that multiple groups of keys are burnt in at the same time and the binding relation of the keys is recorded are solved, and the production efficiency and the accuracy are improved.

The invention relates to the technical field of television systems, in particular to a monitoring analysis method and analysis system for a set top box application. Comprising a signal acquisition module, a real-time video feature extraction module, a standby signal source storage module and a seamless switching module. According to the mapping relation between the video features and the watching quality indexes, on one hand, switching of the signal source is facilitated when the watching experience is not good, switching to the standby signal source of weighted sorting is achieved through the buffer area technology and the seamless switching algorithm, stable switching is achieved, the interruption feeling caused by signal switching is reduced, meanwhile, the signal source of the cloud end is called out, and the watching experience is improved. On the other hand, the signal quality index is verified through the video features, the quality index is reflected through double indexes, the accuracy of quality index identification is ensured, early warning reminding is carried out in time when the signal acquisition module determines that the signal quality index is inaccurate, and the sustainable use effect of the monitoring set top box is improved.

Operations for a data normalization server include augmenting an emergency event notification from a regional emergency notification concentrator with situational awareness data for an emergency event characterized in the emergency event notification to provide an augmented emergency notification and providing a broadcast dispatch data object (BDDO) that is generated based on the augmented emergency notification to an Advanced Television Systems Committee (ATSC) transport encoder. The BDDO includes a dispatch message with data characterizing the emergency event notification and the situational awareness data. The operations for the data normalization server also include generating an application programming interface (API) call for an ATSC transport encoder. The ATSC transport encoder encapsulates a portion of the BDDO in a broadcast stream for an ATSC broadcaster responsive to the API call.

There is described a bitstream comprising an indication of a type of scalable video codec used by the bitstream. The value of the indication may be capable of being within the range of 0 to 2, inclusive. The indication may be an indication in a transport layer of the bitstream. The bitstream may be for, and / or compliant with, an Advanced Television Systems Committee (ATSC) standard, such as an ATSC 3.0 standard.

A broadcast system may have an out of band return path and the out of band return path may be used for communications with digital services provided by the broadcast system. For example, the broadcast system may provide a file transfer digital service to a user of the broadcast system and the out of band return path may be used to communicate acknowledgments back to the broadcast system during a file transfer process. In one implementation, the broadcast system may be an Advanced Television Systems Committee (ATSC) 3.0 television broadcast system. A method for using the out of band return path to interact with the digital service is disclosed.

The invention discloses an automatic fault elimination processing method, device and equipment based on terminal equipment, and relates to the technical field of the terminal equipment, and the method comprises the steps: detecting each started application through a preset fault detection program; when it is detected that the number of times of crash exception of the application exceeds a preset threshold value within preset time, it is judged that the system is abnormal, and the system is controlled to enter a safety mode, the control system automatically disconnects network connection and closes preset system services and processes, and only basic system functions are reserved; displaying prompt information of a security mode, and providing operation options of repairing a homepage, restoring factory settings and contacting customer service; and receiving a user operation instruction, selecting to uninstall the abnormal application and / or selecting to restore factory settings, and completing automatic fault elimination. According to the method, the problem that the system cannot be normally used due to continuous abnormality of the application of the large-screen television system is solved, and a user can recover the system to an available state through simple operation self-service troubleshooting when encountering such faults.

A method for providing programmatic commercial insertion for a hybrid radio-TV channel of a system includes providing integrated or combined radio content from a radio system for broadcasting on the hybrid radio-TV channel, providing television content from a television system for display on the hybrid radio-TV channel during the content blocks; determining whether a video content is available from the radio system or from ad server during the ad insertion point; and determining whether a pre-loaded logo is available from the radio system during the ad insertion points. The method further includes inserting the video content from the radio system into the hybrid radio-TV channel for display if available, otherwise inserting the video content from the ad server, otherwise inserting the pre-loaded logo from the radio system, or otherwise displaying the video content from the television system and / or from the hybrid radio-TV channel. An associated system is also provided.

The invention provides a dual-channel access system, and relates to the technical field of communication, and the system is characterized in that a first optical fiber inlet of a tail end machine room network is used for connecting a preset internet system, and a second optical fiber inlet of the tail end machine room network is used for connecting a television system; a first optical fiber outlet and a second optical fiber outlet of the tail end machine room network are respectively connected with a first optical fiber inlet and a second optical fiber inlet of the optical distribution network, and the first optical fiber outlet of the optical distribution network is connected with an optical fiber inlet of the main gateway through a home-entry optical fiber. At least one coaxial interface of the main gateway is connected with at least one slave gateway through at least one coaxial cable, and each slave gateway is used for being connected with a user terminal or a television set top box in a corresponding room. According to the invention, through the mode of fiber-to-the-home and coaxial room entry, redundant fibers do not need to be arranged, the deployment difficulty is reduced, and meanwhile, the signals of a television system and an internet system are improved. The networking deployment cost is reduced, and the quality of the networking scheme is improved.

The invention provides a linkage method for calling an industrial television system picture through automatic startup and shutdown, and the method comprises the steps: connecting a data link of a computer monitoring system of a water-light complementary hydraulic power plant in a safety I region of a power monitoring system and a data link of an industrial television system in a safety III region of the power monitoring system; the automatic power-on and automatic power-off signals of the hydroelectric generating set are transmitted to the industrial television system on the premise that the network security of the power monitoring system is met, the industrial television system calls an industrial television system server picture when receiving the automatic power-on and automatic power-off signals, and the position of a camera is adjusted through a preset position; and when the signal disappears in the automatic power-on process or the automatic power-off process, the called picture automatically quits, and the original called picture of the original industrial television system is recovered. According to the method, the tedious industrial television picture calling process in the automatic startup and shutdown process of the water-light complementary hydraulic power plant can be reduced.

This invention provides a method for generating a power plant video inspection strategy based on digital twins, comprising the following steps: S1, supplementing the inspection points and industrial television system camera models based on a 3D model to improve the power plant digital twin model; S2, marking the attributes of each inspection point and industrial television system camera; S3, conducting spatial visibility analysis of the inspection points from the industrial television cameras, recording the spatial visibility into the inspection point-camera binary pair; S4, generating preset points for the industrial television system cameras and forming a triplet inspection strategy of inspection point-camera-preset point. This invention, based on the spatial analysis capabilities of 3D models, achieves automatic analysis of many-to-many spatial visibility between industrial television system cameras and inspection points, as well as automatic calculation of camera preset points and automatic generation of the inspection point-camera-preset point triplet inspection strategy, improving the efficiency of inspection strategy generation and configuration, and avoiding the defects of manual configuration.

Techniques are described for expanding and / or improving the Advanced Television Systems Committee (ATSC) 3.0 television protocol in robustly delivering the next generation broadcast television services. Advanced Emergency Alerts (AEA) are received via ATSC 3.0 and filtered according to end user desire. Signaling commences between the ATSC 3.0 receiver and nearby consumer electronic (CE) devices to cause the CE devices to activate to indicate to a person that he should access the ATSC 3.0 receiver to discern what AEA is being broadcast.

The utility model relates to the technical field of electric appliance installation devices, and discloses a coaxial cable electricity taking device which comprises an outer shell and a voltage stabilizing circuit arranged in the outer shell. A coaxial cable input connector, a coaxial cable output connector and an electricity taking terminal are arranged on the outer shell, the coaxial cable input connector is directly and electrically connected with the coaxial cable output connector, the input end of the voltage stabilizing circuit is electrically connected with the coaxial cable input connector, and the output end of the voltage stabilizing circuit is electrically connected with the electricity taking terminal. The coaxial cable power taking device can be connected in series to a coaxial cable of a satellite digital television system, so that intelligent household electric appliances arranged outside a house can obtain power from the coaxial cable through the power taking terminal, the installation of the intelligent household electric appliances is facilitated, and the installation cost and period of the intelligent household electric appliances in old houses are reduced.

Operations of an Advanced Television Systems Committee (ATSC) receiver include receiving an ATSC broadcast signal, the ATSC broadcast signal including signaling characterizing content of a plurality of channels, wherein a dispatch channel includes dispatch messages. The operations include analyzing a low level signaling (LLS) table for the dispatch channel to determine whether a dispatch message has been added to the ATSC broadcast signal and selecting a mode of operation based on the analyzing. The modes of operation include a sleep mode if a version of the LLS table for the dispatch channel has not changed and a dispatch mode in response to detecting a change in the version of the LLS table. In the dispatch mode, dispatch messages not destined for the ATSC receiver are ignored and an emergency operation is actuated in response determining that a particular dispatch message is destined for the ATSC receiver.

The invention discloses a smart television remote diagnosis and repair processing method and device and a terminal. The method comprises the following steps: acquiring operation data and fault information related to a smart television system; performing fault mode identification and reason inference on the collected operation data and fault information by using an artificial intelligence algorithm, and generating a preliminary diagnosis result of a fault problem; according to the generated preliminary diagnosis result of the fault problem, searching a preset fault problem repair knowledge base, and generating a fault repair scheme corresponding to the fault information problem; and displaying the generated fault repair scheme corresponding to the fault information problem in a graphical interface and / or voice form, and automatically guiding to complete corresponding repair operation. According to the method, the television restoration efficiency can be improved, inconvenience caused by equipment faults of a user is reduced, meanwhile, the requirement for on-site service is reduced, and convenience is provided for use of the user.