69 results about "Television system" patented technology

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.

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 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 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 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.

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.

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.

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.

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.

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.

An intelligent television system provides an operating system and an application framework for controlling a user interface to handle user input events from a handheld remote control. The remote control includes color keys that are configured for triggering different functions in different application panels displayed on the television.

Embodiments of the present specification provide a closed-circuit television system-based online inspection method, device and system for a chemical production site. In the closed-circuit television system-based online inspection method for the chemical production site, a target image for shooting each to-be-collected image area of the chemical production site is acquired from a closed-circuit television system; each target image is stored in a first path with a respective name according to a first name designation rule and a first path designation rule; an inspection score for each to-be-collected image area is generated according to a comparison result between each target image and a matched comparison reference image, wherein the matched comparison reference image is determined according to the name of the target image; and each generated inspection score is stored in a file in a second path accessible by a client with a respective name according to a second name designation rule and a second path designation rule.

The present invention provides a method for modifying the entire configuration data of a smart television after a system software upgrade. After completing the system software upgrade of a specified model using a USB interface memory, the entire configuration data of the target model is simultaneously initialized. The method solves the problem of cumbersome post-software upgrade configuration operations, which often require re-updating the entire configuration index number (MID) file or manually modifying the MID value after a complete system software upgrade of a smart television. The method automatically completes the entire configuration settings for the predetermined model after the software upgrade, simplifying the entire system upgrade and configuration process.

Techniques are described for using the Advanced Television Systems Committee (ATSC) 3.0 television protocol to robustly deliver (400) TV programming to mobile receivers while ensuring error correction (408).

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.

Disclosed herein are method and apparatus for Advanced Television Systems Committee (ATSC) 3.0 and non-ATSC 3.0 broadcast Direct to Mobile (D2M) co-exist aligned open radio access network (O-RAN). One aspect of this disclosure operates by generating a broadcast frame conforming to a first communications protocol, where the broadcast frame conforming to the first communication protocol includes a slice start (SS) portion. The embodiment further generates a broadcast virtual frame container including the broadcast frame conforming to the first communication protocol and a broadcast frame conforming to a second communication protocol, where the broadcast virtual frame container further includes a virtual frame start (VFS) portion, and transmits the broadcast virtual frame container.

The invention discloses an underground television system for exploring a deep karst cave of a bridge pile foundation, the underground television system comprises a hoisting mechanism and an underground camera module, the hoisting mechanism drives the underground camera module to go in and out of the deep position of the pile foundation, and the underground camera module comprises a camera module, a gyroscope module, a power supply module, a signal transmission module and a vertical cage type frame; the camera module and the gyroscope module are arranged in the cage type frame in a spaced mode in the vertical direction, the gyroscope module is used for keeping the posture of the underground camera module stable, the camera module comprises a camera, a searchlighting unit and a camera servo rotary table, the camera is rotatably installed in the cage type frame through the camera servo rotary table, and the power supply module supplies power to the underground camera module. The signal transmission module transmits imaging information of the camera module to the outside. By arranging the underground camera module with a high-brightness light source, controllable posture and clear imaging, the development and communication conditions of the deep karst cave of the pile foundation can be stably and effectively explored, meanwhile, personnel do not need to go down to a well for investigation, and safety is guaranteed.

Methods and systems describe multicasting the messages over a broadcast medium (e.g., a TV network). In particular, the methods and systems recite the use of Advanced Television Systems Committee (“ATSC”) 3.0, a new broadcast television transmission standard in the United States. Using ATSC 3.0, the methods and systems can disseminate messages to all the electrical equipment.

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 utility model provides a broadband impedance matching filtering high-pass circuit based on a 75 ohm system, which comprises a PCB (printed circuit board) and a microstrip line, the microstrip line is a strip-shaped wire embedded in the PCB, a snakelike matching inductor and a fan-shaped matching capacitor are combined, the snakelike matching inductor provides high-frequency inductive reactance compensation, the fan-shaped matching capacitor realizes capacitive reactance matching, and the microstrip line is a strip-shaped wire embedded in the PCB. Different connector interfaces can be adapted; the first snakelike resonance inductor, the second snakelike resonance inductor and the lumped parameter capacitor form a mixed parameter resonance branch knot, the bandwidth is widened, the bandwidth can reach 0-4.5 GHZ and is increased by 2 GHZ and one time compared with the bandwidth of a filter commonly used in an existing system, the common resonance capacitor and the common resonance inductor are combined to form the lumped parameter resonance branch knot, and the bandwidth is increased by 2 GHZ and one time compared with the bandwidth of a filter commonly used in an existing system. The filter has the advantages that out-of-band noise is restrained, the size is reduced, return loss is larger than 15 dB and is improved by 50% compared with the requirement of an existing filter, the structure can be applied to radar and television systems, the problems that a traditional circuit is limited in bandwidth and poor in matching flexibility are solved, and meanwhile high power is achieved.

A decoding device includes a communication interface and a processor operatively coupled to the communication interface. The communication interface receives at least a portion of a broadcast stream containing media data, including media samples. The processor identifies information elements containing DRM processing information within the broadcast stream. Each information element is associated with a corresponding media sample from the media data. For each information element, the processor also identifies the media sample associated with that information element. Based on the information element, the processor further identifies the DRM processing information for that media sample. Finally, the processor decodes the media sample based on the DRM processing information.

The invention discloses a method and a system for automatically adjusting character typesetting for an Android smart television and a computer readable medium, and relates to the technical field of smart television operating systems, a threshold width is set, the required display width of the current character content is calculated, and if the required display width of at least one line is smaller than the threshold width, the current character content is displayed. And if the required display width can be realized in the parent container, triggering automatic typesetting, and if the required display width can be realized in the parent container, dynamically modifying attributes of view layout parameters, so that the required display width is adjusted to be relatively wide to adapt to one row of characters with relatively small required display width to be added to other rows, thereby realizing self-adaptive width display of a fixed character control. The situation that only a small number of characters are displayed in the last row, and consequently the blank part is large is avoided, an interface is more attractive, and the visual balance sense is higher; the width does not need to be manually adjusted, the control can automatically adjust character typesetting according to the parent container and the screen boundary, and the method can be used for various interface character controls of an Android television system.

The invention provides a power station video inspection strategy generation method based on digital twinning, and the method comprises the following steps: S1, supplementing an inspection point and an industrial television system camera model based on a three-dimensional model, and completing a power station digital twinning model; s2, carrying out attribute marking on each inspection point and a camera of the industrial television system; s3, carrying out spatial visibility analysis of the industrial television camera on the inspection point, and recording the inspection point meeting spatial visibility into an inspection point-camera two-tuple; and S4, generating a camera preset point of the industrial television system, and forming an inspection point-camera-preset point triple inspection strategy. According to the invention, on the basis of the spatial analysis capability of the three-dimensional model, the automatic analysis of many-to-many spatial visibility between the industrial television system camera and the inspection point, the automatic calculation of the camera preset point and the automatic generation of the inspection point-camera-preset point triple inspection strategy are realized; the inspection strategy generation and strategy configuration efficiency is improved, and defects existing in manual configuration can be avoided.

A method for fast starting up a television display function and a television system are provided. In the method, when a television device is powered on, the television system operated in the television device performs a hardware initialization and a fast start-up procedure. In the fast start-up procedure, a set of picture-quality parameters is loaded to the television system from a storage circuit. Display parameters of the television device are configured according to the picture-quality parameters, accordingly, a display of the television device starts to display a picture. The picture can be produced from image signals received through an external source such as a high-definition multimedia interface (HDMI) or a Display Port, a type-C interface, or other sources of the television device. The picture-quality parameters are collected and stored in the storage circuit during operation of the television system after the operating system booting procedure is completed.

1. Name of the product in this design: Electronic device with an AI interactive TV system desktop. 2. Intended use of this design: electronic equipment. 3. The key design features of this product are the graphical user interface content on the screen. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: To push recommended movie and TV content to users through voice input and AI processing. 6. Description of the changes in the graphical user interface: In the main view, move the focus box with the remote control to select the "Search Results" below the live content or video program, and click the confirmation button in the remote control to jump to the interface status change diagram 1.

The application provides an implementation method and device of an electronic program guide template, electronic equipment and a computer readable storage medium, and belongs to the technical field of communication. The method comprises the following steps: acquiring a service number to which a current user belongs and a terminal service set corresponding to the service number from a predetermined tree-shaped structure service number set according to a user feature; and generating an electronic program guide template suitable for the current user according to the terminal service set corresponding to the service number. The method at least solves the problem that the types of electronic program guide (EPG) templates are relatively single in the related art, and the development cost is high and the development efficiency is low when more versions of EPG templates are developed to meet the personalized needs of numerous users, and is suitable for interactive television system design.

The present application discloses a method and apparatus for running a television application. The method comprises: in response to a user's startup operation for a target television application, starting and running a target shell program corresponding to the target television application, the target shell program running on a target television terminal and providing an operating environment for the target television application; and the target shell program controlling the operation of the target television application. In this method, since the target shell program runs on the target television terminal and provides an operating environment for the target television application, the target shell program controls the operation of the target television application, thereby eliminating the need for the target television application's operation and management processes to rely on the television system of the target television terminal, freeing the target television application's operation and management processes from being restricted by the television system, and improving the flexibility and controllability of the target television application's operation and management processes.

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. A receiver, to automatically switch from presenting a service on a first frequency to a second frequency such as when a mobile receiver is moving through a boundary region between two broadcasters, can temporarily use a satellite link or 5G wireless telephony or other over the top (OTT) source to acquire a service until an OTA link satisfies quality requirements.

An embodiment of the present application provides a method and device for determining an Internet TV node, the method comprising: obtaining parameter information of the jth region of the i-th Internet TV node of a target Internet TV system at intervals of a preset time period, the parameter information comprising: content distribution network utilization, electronic program guide utilization, and user viewing quality difference rate, the Internet TV system comprising M Internet TV nodes, each of which corresponds to N regions; calculating a resource carrying capacity value of the j-th region of the i-th Internet TV node based on the content distribution network utilization, electronic program guide utilization, and user viewing quality difference rate of the j-th region of the i-th Internet TV node; and determining, based on the resource carrying capacity values ​​of the N regions of each Internet TV node among the M Internet TV nodes, the Internet TV node corresponding to the target region with the highest resource carrying capacity as the target Internet TV node.