RussianPatents.com
|
Mpeg-table structure. RU patent 2321965. |
|
FIELD: digital television systems, in particular, a data structure, MPEG-table and methods related to these data and/or MPEG-tables. SUBSTANCE: in accordance to the invention, transport data stream is claimed for transmission through a communication channel, receipt and processing by receiver-decoder, which contains a table which contains header (400) and informational part, featuring the informational part of the table having descriptors (406), corresponding to first cycle (408) of descriptors, and variable length cycle (410) with data elements (412), each one of which includes a data element identifier and cycle (414) of descriptors, containing descriptors (416) which are unique for given data element (412), where informational part of the table includes second header (404) and second informational part, and aforementioned second header (404) includes at least one of the following: information which concerns compression of given table; information which concerns encryption of given table; information which concerns priority; information which concerns the format of syntactical analysis; a filter expansion field. EFFECT: ensured universality of data structures used for transferring information in digital television systems. 6 cl, 14 dwg, 33 tbl
|
Method for buffering images for predicting and displaying standards / 2310290 System and method are claimed for encoding/decoding, wherein images are determined as standard images or as non standard images, and for images of image flow information is determined, related to encoding order and image output order. Encoder is configured wit possible ordering in the stream of bits for denoting such a number of images, ordered for buffering in order of decoding, which is sufficient for restoration of image output order. |
Method for recording interactive software / 2304855 In accordance to the invention, transmitting system contains transmitter 10 and at least one receiver 14, made with possible receipt of signals 12 transferred from it. Broadcasted data in transferred stream is accompanied by one or more applications, determined in one or more data structures, formed of data files and directory objects, transferred cyclically, while previously determined groups of data file and directory objects are formed as appropriate modules in the transmitter, and each module is transferred as a whole. For each object structure, determining data object hierarchy root, a list of identifiers is transferred in the stream for components of data structures, appropriately determining all or some of the data files and directory objects connected to an application. Receiver 14 is made with possible usage of identifier list for identification and following memorization of received data objects for current application, after identification of the application that should to be recorded. |
Hybrid fine-grain scaled video-coding with time-dependent signal-to-noise ratio / 2294058 Use is made of hybrid time/signal-to-noise-ratio scaled structure found just useful for fine-grain coding method. Updated time frames in one example of this structure and updated frames of fine-grain scaling are included in single updated layer. In other example use is made of separate updated layers to attain hybrid time-dependent signal-to-noise ratio scaling. These two layers incorporate time scaled layer to attain time updating for basic layer (that is for better motion) while fine-grain scaling layer is used to improve quality of signal-to-noise basic layer and/or time-scaled updated layer. |
Binary format for mpeg-7 samples / 2285354 Method includes using at least one table, received from XML structure, while table contains identification information for unambiguous identification of each descriptive element on hierarchic tree and structural information, browsing of hierarchic image of sample stored in memory from parent descriptive element to children descriptive elements for reaching encoded descriptive element, and extraction of identification information of each browsed descriptive element, encoding of aforementioned descriptive element in form of fragment, containing aforementioned information content and series of extracted identification information. |
Method for compressing and uncompressing image data / 2279189 Compression of image data contains stages of determining priority value for each pixel of matrix by setting utilized pixel as supporting pixel P0 and computing value of pixel difference on basis of appropriate value of adjacent pixels of given group of pixels P1-P4; combining pixels P0-P4 utilized for computing value of pixels priority in one pixels group; sorting groups of image matrix pixels on basis of value of bearing pixel P0 priority; and preservation and/or transferring of pixel groups in accordance to their priority, while in accordance to reached compression coefficient only part of pixel groups is stored and/or transferred, starting from groups with highest priority. |
Computerized technology for interactive digital broadcast television / 2266626 Method includes transmission of digital signal, having additional data flow, appropriate for compressed video images and data flow, appropriate for at least multimedia application, and also service signals, meant for controlling aforementioned data flows, service signals is determined, appropriate for series of synchronization signal, including series, meant for assignment of multimedia signal, meant for recording execution parameters of aforementioned assigned multimedia application, after that multimedia application is loaded and multimedia application is initialized with aforementioned execution parameters. |
Method for transferring information, concerning a group of services, in digital communications system / 2262209 Method for transferring digital information in digital communications network, containing multiple transport flows, each of which transports at least one table concerning a group of services, containing information, concerning certain commercial group of services, includes transfer in one of said transport flows of at least two different tables concerning groups of services, each of which contains information, concerning appropriate separate commercial group of services, and also transfer in current transport flow of at least one other table, containing - for at least current transport flow - a list of values identifying groups of services, to make it possible to match said at least two tables concerning groups of services with appropriate transport flow and make possible a loading from current transport flow of appropriate one of tables concerning groups of services. |
Inserting additional data in coded signal / 2251819 Proposed procedure for inserting additional data such as watermarks in audio signals and extracting them from compressed audio signal involves separation of audio signal during insertion of additional data into frames, generation of set of prediction filtration factor for each frame, prediction coding of each frame using mentioned coefficients, and for inserting additional data at least one of chosen filtration factors is adjusted to equal value of these additional data. In this way any impact on bit transfer speed is made absolutely impossible. |
Paid television system with advance payment / 2316136 System contains control center (2), which transmits a data stream through a broadcasting channel, encrypted by means of control words, which are included in composition of access control messages, and meant for receipt by at least one user device (1), connected to safety block (3), having unique address and containing credit, which is reduced with purchase of products or consumption of data stream, where safety block (3) is provided with means for reducing credit for value, dependent on product, or for value, dependent on duration of access to data stream, where aforementioned values and/or duration are determined in access control messages or in conditional access messages, and system contains means, made independent from user device (1), for transmitting identifier, representing a unique number, and price code which indicates size of credit subject to load, in control center (2), and control center (2) additionally contains devices for receipt and verification of price code and for transmission of an encrypted message through broadcasting channel, having a unique address, corresponding to identifier, and giving a command to the safety block (3) to load the credit in defined amount. |
Method for controlling access privileges for encrypted data stored in a digital recorder / 2316135 Method is claimed for storing an event, encrypted with usage of at least one control word (CW) in receiver/decoder (STB), connected to safety block (SC), where at least one control word and access privileges for aforementioned event are contained in access control messages (ECM-messages), method includes following operations: recording of encrypted event, and also of at least one ECM-message in storage block; transmission of at least one ECM-message into safety block (SC), verification of the fact that safety block (SC) contains access privileges for aforementioned event, generation of receipt (Q), which contains data related to management of event in reproduction mode, where receipt (Q) contains signature (SGN), generated on basis of the whole ECM-message or its part with usage of secret key (K) contained in safety block (SC) and specific for every safety block, where during later consumption of event the authenticity of the receipt (Q) is verified in prioritized manner compared to conventional access privileges, stored in safety block (SC), storage of aforementioned receipt (Q) in storage block. |
Device and method for processing texts in digital broadcasting receiver / 2316134 Digital broadcasting receiver features text extraction module, text processing module, module for storing extracted text information and module for keyword searching. User may efficiently receive precise and summed up information from digital video broadcasting, using capabilities of storage, transformation and searching for text information, and computer or different mobile terminals may use text content of broadcasting program. |
Method for protected storage of encrypted data on personal digital recorder / 2315440 Method for recording content, encrypted with control words (CW) in module of receiving device/decoder (STB), connected to protection module (SC), wherein aforementioned control words (CW) in the same manner as privileges, required for access to aforementioned content, are transferred by means of control messages (ECM, EMM), where aforementioned control messages are encrypted by means of system keys (TK, RK), and aforementioned system keys are used jointly by a set of modules of receiving devices/decoders (STB), includes following stages: encrypted content is saved together with control messages (ECM, EMM) in memory device; system keys (TK, RK) are encrypted locally by means of a predetermined local key (S1), located in protection module (SC); system keys (SK) are saved in memory device in encrypted form after their encryption with aforementioned local key (S1). |
Method for integrating reference identifiers of tv-anytime content / 2314655 In accordance to the invention, during creation a stream of sound/video information, multiplexing is used for video information component, sound information component, and at least one reference identifier of content, where reference identifier of content is connected to video information component and sound information component in MPEG transmission stream. Also, device is described for realization of aforementioned method for transmitting and receiving a stream of sound/video information, containing TV-Anytime CRID. |
Digital content distribution system / 2308079 Method is provided for generation of digital data with cryptographic protection, encoding content and composed into messages. Encoding of at least a part of the message is performed and encoded messages are provided in form of output signal in format, allowing the interface of server service to compose a message in form of at least one packet, including at least one header and useful load, where at least one header includes information, which allows the service interface in the client to assemble each message for decoding application using useful load of packets. Each message is divided onto the first and at least one additional section of the message. At least one of the message sections is encoded in such a way that it may be decoded independently from other message sections. Assembly of encrypted message is performed by addition of resynchronization marker, separating the message section from adjacent message section and including precise information about synchronization, at least for additional sections of the message. |
System and method for identification of web-camera / 2307476 System uses web-camera, client computer and server web-site. In web-camera, authentication password and video-communication application are stored. Server web-site has authentication module for identification of web-camera and a functional module. After the client computer installs video application, provided by web-camera, web-camera may connect to server web-site through client computer. Server web-site authenticates possible usage of web-camera by checking authentication password. After passage of authentication web-camera may receive services provided by functional module. |
Method for efficient recording of object carousels / 2305913 Data transmission system contains transmitter 10 and, at least, one receiver 14, configured for receiving signals, transmitted by transmitter. Data file objects and catalogue objects, creating the carousel, are transmitted with periodical repeating in predetermined groups of file and catalogue objects, made into appropriate modules in the transmitter, according to MPEG-2 DSM-CC protocols. Each module is transmitted as a whole, and receiver is composed in such a way, that it is possible to record received objects of file data and catalogue objects with predetermined variant of grouping on the level of elementary streams and the level of modules. |
Method and system for conditional access / 2302706 User terminal (3) is used for decoding various services of paid television system, while access to aforementioned user terminal (3) is provided by means of virtual card, which is loaded through distribution network (4) by means of additional data stream (18) from system block (17) and received by user terminal (3). |
System and method for processing a stream of audio/video data for protecting data from copying / 2300851 Audio/video stream processing system includes module for inputting audio/video stream, which receives audio/video stream, containing field of information about audio/video content, including first copy control information, and audio/video content field, including second copy control information; reading module which extracts first and second copy control information from received audio/video stream and determines whether first copy control information is modified; and module for decoding audio/video stream, which processes received audio/video stream in accordance to predetermined criteria, if first copy control information is modified. |
Method for signaling embedded data / 2321957 Method is claimed for providing a signal which represents main data, where main data include embedded data, while main data is provided with descriptor of main data for signaling content, included in main data, where the method contains stages: descriptor is generated for embedded data for signaling content included in embedded data, the descriptor of embedded data is provided outside the main data and the descriptor of main data. |
Method and device which ensure immediate beginning of 3g measurements in specialized mode in a cell with packet broadcasting control channel / 2320098 In accordance to the invention, mobile station includes radio frequency receiver-transmitter for communication with wireless communication network and a controller, responsible for receipt of information from wireless communication network for notification about 3G cells in case of operation in specialized GSM mode in a cell which has PBCCH. The controller is made with possible: notification about 3G cells until receiving a list of neighboring 3G cells from MEASUREMENT INFORMATION message, which includes a list of neighboring 3G cells, received in the PACKET SYSTEM INFORMATION message of 3quater type through PBCCH, and information element 3G_BA_IND, received in the PACKET SYSTEM INFORMATION message of 3quater type and notification about 3G cells, using MEASUREMENT NOTIFICATION message, which reflects the value of received information element 3G_BA_IND. |
Audio/video device, device and method for controlling an audio/video device / 2319309 device is claimed for controlling an AV device, which contains web-browser, which receives a structured document, which contains a scenario, from AV device, and provides the same to the user and first software module, including a function called by scenario, and transferring information concerning device control command to AV device through protocol, determined in advance by means of function, where AV device contains web-service module, which transmits the structured document, and second software module, which receives device control commands from first software module through protocol and controls the AV device in response to command information. |
© 2013-2014 Russian business network RussianPatents.com - Special Russian commercial information project for world wide. Foreign filing in English. |