94 results about "Television system" patented technology

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.

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 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.

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.

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.

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 invention belongs to the technical field of television system parts, and particularly relates to a building intelligent security and protection monitoring device, which comprises a fixed seat, a cover body, a camera arranged at the end part of the cover body, and a sensor and an electric appliance element which are arranged in the cover body, a nanoscale super-hydrophobic coating is arranged on the surface of the camera, an air inlet pipe is arranged on the lower side wall of the cover body, and an exhaust port is formed in the upper side wall of the cover body. According to the monitoring camera, hot air in the monitoring camera cover is pumped out, on one hand, heat dissipation in the cover is completed, on the other hand, dust and impurities on the surface of the camera can be blown away by guiding out the hot air, drying of water stains can be completed, and on the other hand, the hot air is guided out of the backflushing filter screen cylinder to achieve cleaning; and the impact plate is pushed to move downwards to extrude the water body to flow, the heat dissipation process in the cover body is accelerated, rotation of the brush plate is achieved in the switching process of the filter screen cylinders, and switching of the filter screen cylinders and working of the brush plate are conducted at the same time.

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.