155 results about "Broadcasting technology" patented technology

This invention relates to a system and method for creation and automatic deployment of personalized, dynamic and interactive voice services, including information derived from on-line analytical processing (OLAP) systems and other data repositories. More specifically, the invention relates to a system and method that enable personalized delivery of information in real-time, via natural language voice communication with a voice-enabled terminal device. The system and method combines personalized information broadcast technology with an active voice page. An active voice page is created by the system, stored in a call database and used to generate dynamic voice menus. A call server retrieves the AVP from the call database and delivers the content of the service by dialing a subscriber's telephone number, speaking message text to the subscriber and recording the subscriber's input in response to the call menus. A unique AVP is generated for each subscriber scheduled to receive voice service content.

A digital networked studio and the needed software services to allow the use of the system for monitoring the creation and distribution processes of real-time created content is described. Distribution problems are solved using an off-the-shelf network, e.g. using an IP based or similar data protocol, such as an IP network based distributed system architecture to bring the display controller functionality closer to the source and to replace proprietary busses used for transporting video, audio, RGB, graphical information and / or metadata with building blocks based on standard IP and compression technologies. A characteristic of such a network is to use unicast, multicast and / or broadcast technologies (based on network addresses) and to route data from one address to another. The network provides redundancy in case any of the digital generation units.

The invention relates to a multi-scene streaming media courseware recording and direct-broadcasting method, which is characterized in that a recorded teacher camera video multimedia file is synchronized with a screen video multimedia file through a screen video key frame interpolation algorithm in recording; real-time video stream and real-time audio stream are coded to a transport stream (TS) file by synchronously encapsulating and multiplexing a video (PES) photoelectric scanning packet and an audio PES packet to be distributed to a web direct-broadcasting server, the teacher camera video and the screen video are synchronously broadcasted through the multi-video-source synchronous direct-broadcasting control. The method supports the windows / Linux cross-platform run and also supports the multi-source recording and stream direct-broadcasting technology of the teacher camera video, the teacher audio and the screen video, and the media courseware can be directly broadcasted while being recorded.

A television entertainment system has two-way communication capability with a hand-held remote device accessing an external information source. It includes a television receiver adapted to receive television programming content, and a television set top box adapted to receive program related information over a broadcast channel and transmit the program related information to the hand-held remote device. The hand-held remote device is adapted to visually render information received over a broadcast channel and synchronize delivery of the program related information with delivery of related information from the external information source.

The invention discloses a mobile video live broadcasting system. The system comprises a mobile video acquisition terminal, a streaming media server and at least one media playing terminal, wherein the mobile video acquisition terminal is used for acquiring the current live broadcasting video information and converting the current live broadcasting video information into a video in a flash video (FLV) streaming media format in real time on a live broadcasting scene, communicating with the streaming media server which is erected in a network in a wireless way, and uploading the video in the FLV streaming media format to the streaming media server in real time; the streaming media server is erected in the network and used for forwarding the video in the FLV streaming media format, which is uploaded by the mobile video acquisition terminal in real time; and at least one media playing terminal is used for communicating with the streaming media server to acquire and play the video in the FLV streaming media format, which is forwarded by the streaming media server in real time. According to the system, special video acquisition equipment is not required to be erected on the scene, the video can be simply broadcast live, and the limitation of the conventional live broadcasting technology is eliminated.

The present invention discloses a virtual gift task scalping prevention system and method in a live-broadcasting platform, and relates to the internet live-broadcasting technology field. The system comprises: a task rule setting unit configured to configure the task rule of a virtual gift; a user identification unit configured to identify and divide the user classification which includes normal users and black list users; and an execution unit configured to allow the normal users to obtain the virtual gift and prohibit the black list from obtaining the virtual gift. The concrete steps of the method comprises: S1, the task rule setting unit configures the task rule of obtaining the virtual gift by a user, and writing into a database to generate buffer memory; S2, the user identification unit is configured to identify and divide the user classification into the normal users and the black list users according to the task rule; and S3, the execution unit allows the normal users to execute and obtain the virtual gift and prohibit the black list from obtaining the virtual gift. The virtual gift task scalping prevention system and method in live-broadcasting platform reduce the data bulk artificial screening, effectively improve the efficiency, reduce the manpower cost and decrease the error rate.

This invention refers to the caption broadcasting technology of the producing and broadcasting mechanism of the television program in the broadcasting and TV field, specifically referring to an unmanned distributed multi-threading caption rendering and broadcasting method. The method constructs a rendering working station group, distributes different rendering tasks on each working station by means of pre-setting, renders the caption contents of different types, respectively, then distributes an information processing working station to integrally monitor the rendering state of each working station and collects the error information and processes. This invention improves the working efficiency of the caption rendering, thereby making the caption technology develop towards to the direction of more stabilization, safety and high efficiency.

This invention relates to a system and method for creation and automatic deployment of personalized, dynamic and interactive voice services, including information derived from on-line analytical processing (OLAP) systems and other data repositories. More specifically, the invention relates to a system and method that enable personalized delivery of information in real-time, via natural language voice communication with a voice-enabled terminal device. The system and method combines personalized information broadcast technology with an active voice page. An active voice page is created by the system, stored in a call database and used to generate dynamic voice menus. A call server retrieves the AVP from the call database and delivers the content of the service by dialing a subscriber's telephone number, speaking message text to the subscriber and recording the subscriber's input in response to the call menus. A unique AVP is generated for each subscriber scheduled to receive voice service content.

The invention discloses a method, a device and a system for interaction of interactive broadcast televisions. The method includes receiving a signal flow of TV programs, extracting program identification information from the signal flow, broadcasting the programs, and sending local television terminal information and the program identification information of the television programs to selected lists of preset user accounts when receiving inputted interactive order. With the method, device and system, internet technology and television broadcasting technology can be combined, interactivity of the television programs can be increased, and meanwhile, intelligentized level of television terminals is enhanced, so that the television terminals can process television signals broadcasted by television stations and interacting signals inputted by the user side, and interactivity of television programs can be displayed via openness of Internet and user experience can be met.

The invention discloses a system and a method for rural information service and comprehensive management. The system comprises seven parts of a comprehensive management terminal system for rural information, an information management platform system, a distributed database group system, an expert and government agency management system, a network information search engine system, a shared short message platform and a rural comprehensive information website, wherein information communication is realized by the Internet and the 3G network, and seven parts are organically combined by taking the information management platform as the center. In the system, hardware equipment, such as the comprehensive management terminal system for rural information, the shared short message gateway, server and the like, can be used, and the embedded technology, the Internet technology, the distributed database technology, the search engine technology, the information acquisition and automatic classification technology, the multimedia information broadcasting technology, the e-commerce technology and the like are comprehensively integrated. In order to satisfy requirements on information by rural residents, convenient and quick real-time information-driven service and management can be provided, and real and accurate rural information is provided for governments to formulate the policy.

The invention discloses a multimedia resource caching method and device and relates to the technical field of multimedia broadcasting so that accuracy of the heat calculating result and accuracy of the multimedia resource selection are improved. The method includes the steps of working out a heat value of each multimedia resource in a corresponding period according to accessed times of each stored multimedia resource in a plurality of periods with different time spans, regularly marking a preset number of multimedia resources as high heat multimedia resources from the total number of multimedia resources which are calculated in each period according to a sequence of the heat values from high to low, and commanding the caching device to renew stored current multimedia resources according to all the high heat multimedia resources.

The invention relates to the field of network live-broadcasting technology, and particularly relates to a game live-broadcasting method and device. The game live-broadcasting method comprises the following steps: when a specified game is subjected to live broadcasting by using a live-broadcasting software, acquiring barrage information sent by audiences; filtering out equipment setting barrages from the barrage information according to an equipment setting identifier for characterizing barrage attributes, wherein the equipment setting barrages contain equipment names; sending the equipment setting barrages to the game process of the specified game; and in the game process, setting equipment of game roles in the specified game to the equipment with the equipment names according to the equipment setting barrages. According to the game live-broadcasting method and device disclosed by the invention, the technical effect of controlling the equipment of the game roles in live-broadcasting games can be achieved, and the interactivity of game live-broadcasting can be improved.

A wireless Local Area Network provides data service through a data LAN and also provides video broadcast service through a video LAN. A wireless LAN subscriber accesses the video LAN through one of a plurality of Video Access Points (VAPs) that broadcast multiple video programs on a channel having a frequency different than the frequency over which the subscriber accesses the data LAN. Each VAP maintains the video channel in a one-way broadcast-only mode to prevent a wireless LAN subscriber from seeking to uplink information on that channel. In this way, the wireless LAN can employ a common protocol for both data and video transmission, and deliver the video streams at the maximum permissible downlink transmission rate.

The invention relates to a caption editing and broadcasting technology of a television program making and broadcasting mechanism of the radio and television broadcasting field, in particular to a caption rendering efficiency bottleneck automatic positioning method which is based on a template and the parameteric step size. The method evaluates the efficiency of a caption system in the two aspects of caption static rendering and dynamic rendering through the objective data, finds a bottleneck of the rendering aspect through the efficiency difference between the adjacent two parameter values through the rendering attributes and provides an objective basis for the improvement of a rendering algorithm.

The invention provides a platform and a method for customized planting and whole-process traceability of agricultural products, wherein the platform comprises a user management module and a data center, and further comprises the following modules: a scheme obtaining module for analyzing customized agricultural products orders and formulating an optimal planting scheme; a quality monitoring modulefor monitoring various operations in the planting process; and a program obtaining module for obtaining the optimal planting scheme; a traceability module for generating traceability codes and assigning the traceability codes to resources and / or agricultural products; a logistics traceability module for monitoring the logistics process of agricultural products; an after-sales service module for handling various after-sales services. The invention provides a customized planting and whole-process traceability platform and a method for agricultural products, through pre-arranged services, designated planting enterprises are engaged in the planting of specific agricultural products and the management process designated by consumers, and real-time monitoring of field operations, product packaging, warehousing, delivery, and traceability of agricultural products and resources is carried out through live video broadcasting technology to ensure the quality and safety of agricultural products.

The invention provides a system and a method for realizing information service, which are based on an interactive television platform. The invention relates to the field of interactive television information service, in particular to the realization of television short message and television mail service. By combining the internet technology on a computer terminal with the DVB broadcasting technology applied to the digital television field in a seamless manner, the invention can enable the system to provide the two-way information service which is similar to sending a short message with a cell phone and sending an e-mail on a television terminal for an interactive television user. The invention is characterized in that system information is published by adopting a method which combines a broadcasting mode and a user inquiry mode and is based on a digital television. A notification message is subjected to TS packaging in accordance with the DVB norm, and is broadcast in various frequencies of the entire network. A TS information stream includes addressing information and message notification information about a set-top-box. Built-in software in the set-top-box terminal captures the TS information stream in real time, filters and parses the addressing information, and extracts message notification information belonging to the software. An 'information service platform' obtains the user's name, the address, the user type, the state, the user identification, the set-top-box number, and the Email account number. An 'Email acquisition engine' polls incoming Emails to the user periodically in accordance with a POP protocol, and acquires and stores the Emails in a current Email list of an Email server. A television short message is received and transmitted not only through transmission among set-top-boxes within a network but also through internetwork transmission between set-top-boxes and other operators. An internetwork short message is subjected to protocol conversion.

The invention relates to the television program recording and broadcasting technology in the field of broadcasting and television, in particular to a method for editing a template in real time in a virtual studio system. The method comprises the following steps: interlinking an editing system and a graphics workstation which have no contact originally in the virtual studio system under recording and broadcasting separation, and enabling the editing system and the graphics workstation to be capable of performing mutual interaction in real time, thereby the editing system is capable of editing a three-dimensional scene template in real time according to the real position information of a camera in a studio. By adopting the method of the invention, in the virtual studio system of recording and broadcasting separation, the security of the recording and broadcasting separation of the virtual studio system can be ensured, and the virtual studio system can edit the three-dimensional scene template in real time according to the real position information of the camera, thereby enabling the broadcasting of programs to be secure and accurate.

This invention relates to a mobile video broadcast system and a method, in which, said system includes a wire TV system processing and transmitting video and a mobile video broadcast program distributing unit, a mobile video broadcast ground sending unit and a mobile video broadcast terminal. Said method includes: a, the wire TV system factures and sends video code streams to the mobile video broadcast program distributing unit, b, the distributing unit assembles said video code stream to radio broadcast frames to be transmitted to the mobile broadcast ground sending unit by the radio transmission net, c, the ground sending unit sends the radio broadcast frames to the mobile video broadcast terminal, d, the terminal operates the video play.

The invention belongs to the subtitle editing technology of TV programs, in particular to a multi-person synergy subtitle editing method based on a virtual lock mechanism. The method realizes that one playbill can be edited by a plurality of persons at the same time by dividing the playbill on time period. Moreover, the subtitle editing of different time periods does not conflict mutually througha virtual lock locking mechanism. Consequently, the editing efficiency and security of subtitle is improved, the work intensity of playbill editing staff is reduced and the need of the producing and broadcasting technology development of TV programs is met.

The invention provides a method and device for providing weather information, and relates to the technical field of internet. Accurate weather information is provided for a user according to a running route of the user. The method for providing the weather information comprises the following steps: acquiring running route preset information input by the user, wherein the running route preset information comprises a starting point of the route and an end point of the route; determining candidate running routes according to the starting point of the route and the end point of the route; when the user arrives at a preset weather reminding place of the candidate running routes, acquiring real-time weather information of the preset weather reminding place; acquiring an actual running route selected from the candidate running routes by the user; and displaying the actual running route and the real-time weather information when the user runs to the preset weather reminding place of the actual running route. The method and device for providing the weather information are mainly used in a weather information broadcasting technology.

A media communications system using a multicasting or broadcasting technique, where each individual sink is allowed to request retransmissions according to a budget. The media communications system maintains the media quality of sinks that have a good communications channel in situations where one or more of the sinks is experiencing a bad communications channel, and where otherwise the communications channel would be saturated with retransmission requests and retransmissions which would affect other and possibly all media sinks.

The invention discloses a terrestrial digital television broadcasting redundancy transmitting device and a redundancy method, and relates to the digital television broadcasting technology. The terrestrial digital television broadcasting redundancy transmitting device and the redundancy method are economical and efficient. The terrestrial digital television broadcasting redundancy transmitting device is characterized by comprising a system controller, a transmitter unit, a selector switch set, a multiplexer and a transmitting antenna. The transmitter unit comprises working transmitters and standby transmitters. The system controller is in signal connection with each selector switch in the selector switch set and each transmitter in the transmitter unit respectively. The system controller is used for switching input programme signals and outputting the programme signals to the working transmitters. The system controller is used for dispatching and controlling each transmitter in the transmitter unit to work or stand by according to the working conditions of the working transmitters and for controlling the selector switch set to connect the radio-frequency signal output ends of the working transmitters to the multiplexer in a coupling mode. The multiplexer is connected with the transmitting antenna in a coupling mode.

The invention relates to a computer screen remote control method for a medical image teaching system. A screen broadcasting system consists of a transmitting end and a receiving end. The transmitting end first performs gridding region cutting to a screen image to be transmitted and then performs screen data acquisition. Grids with changed data contents are screened out through a verifying algorithm. Network broadcasting transmission is performed to screened-out data by adopting a multithreading technology and by using a user datagram protocol (UDP). The receiving end monitors a control instruction transmitted by the transmitting end through a designated port and controls a receiving end computer so as to ensure screen broadcasting data to be correctly and received and displayed before activated by the transmitting end. When screen broadcasting is finished, automatic unlocking is performed, and a previous state of the computer is recovered. The computer screen remote control method effectively solves the problem that a large amount of system resources and network bandwidth are occupied when large data volume network broadcast transmission is performed, enables all of operation of a teacher on a teacher computer to be displayed on screens of student computers in real time.

The invention discloses a self-networking method and a self-networking system based on the bluetooth technology. The self-networking method comprises the steps that: an RAM is initialized, and then external equipment and software protocols are initialized; slave equipment transmits broadcast information through a multi-equipment automatic avoidance algorithm; master equipment enters a broadcast receiving stage, and transmits networking information to the slave equipment for networking configuration. The self-networking system comprises an initialization unit, a broadcast transmitting unit and a networking unit. The self-networking method and the self-networking system can effectively reduce power consumption, do not need a gateway, adopt the broadcast technology, can greatly increase the distance between nodes, can transmit signals to farther places continuously after utilizing the relaying function of a chip, and are convenient and easy to use; in addition, the self-networking method and the self-networking system adopt the multi-equipment automatic avoidance algorithm for transmitting broadcast information, can effectively avoid collision and conflict in communication, make the operation of the whole network more stable, greatly improves the networking efficiency and stability, and can be widely used in the bluetooth self-networking technology.

The invention discloses a multi-equipment cooperative control method and equipment and belongs to the technical field of television broadcasting. The method comprises the steps of when a field interrupt signal of a channel broadcast system is received, triggering a synchronizing signal of a plurality of pieces of cooperative work equipment in the channel broadcast system; simultaneously starting a plurality of concurrent threads according to the synchronizing signal, inquiring whether an instruction to be executed exists in an instruction execution queue of the cooperative work equipment, if so, confirming whether the instruction to be executed reaches execution time, if the instruction to be executed reaches the execution time, triggering the threads of the cooperative work equipment to send the instruction to be executed. A mode that a plurality of equipment control threads independently control the equipment is adopted, the concurrent real-time control of multiple pieces of equipment is supported, the synchronizing signal is introduced, the synchronous trigger effect of an independent thread control mode is realized, all instructions are enabled to be sent after the field interrupt signal reaches, and the precision control on a plurality of cooperative work equipment is realized.

The invention relates to the television program recording and broadcasting technology in the field of broadcasting and television, in particular to an information interaction method based on web services between heterogeneous systems of a main control broadcasting line. In the method, programs in a video broadcasting system of the broadcasting line are transmitted into a caption broadcasting system by a standard XML file format protocol and WEB interface services, and the caption broadcasting system uses the programs to generate caption broadcasting items to enable the video broadcasting and the caption broadcasting to be closely coupled, thereby reducing the workload of manual manufacture of captions and avoiding the broadcasting accidents caused by manual misoperation; and on the other hand, some broadcasting control information of the caption broadcasting system, especially the information of the broadcasting-prohibiting periods of the captions of each channel are also transmitted into the video broadcasting system through standard service interfaces, thereby controlling the broadcasting switch of the captions and enhancing the security and the stability of caption broadcasting.

The invention belongs to the television station subtitle editing and broadcasting technology, in particular to a subtitle list editing, examining and broadcasting method based on time periods. In the method, a divided-period editing and sending mode is adopted for a subtitle list, examination and broadcast are sent after one time period of subtitle is edited, and other time periods of subtitles can be continuously edited. When the subtitle list being broadcast at one day needs editing, the subtitle can be edited in different period of time and then is sent in different period of time, thereby meeting the requirement of editing while broadcasting. Each time period of subtitle can be edited and synchronously the examination and the broadcast are sent, wherein the examination can be sent in different period of time. The method increases the subtitle list editing and examining efficiency and improves the broadcasting flexibility.

The invention is used for descrambling either non-standard TS stream data or standard TS stream data. The method comprises: a) the CPU in digital TV set extracts the conditionally-receiving information data from the scrambled bit-stream; b) CPU in digital TV set uses the conditionally-receiving information data to construct a CA PMT table; c) the CPU in the digital TV set sends said CA PMT table to the CAM card interface; according to the conditionally-receiving information data in the CA PMT table, the CAM card and intelligent card descramble the scrambled bit-stream.