Class / Patent application number | Description | Number of patent applications / Date published |
348468000 |
Including teletext decoder or display
| 181 |
348462000 |
Audio
| 34 |
348465000 |
Data separation or detection
| 22 |
348467000 |
Data format
| 10 |
348464000 |
Sync | 5 |
20110122313 | CLOCK RANGE SETTING DEVICE - A clock range setting device including a horizontal counter, a filter unit, a clock detecting unit, a first infinite impulse filter (IIR filter), and a clock range modulator is provided. The horizontal counter counts a horizontal counter value. The filter unit obtains a lead clock of each teletext video signal according to a lead clock range, and generates a corresponding clock intermediate value. The clock detecting unit detects level changes of the lead clock of each teletext video signal according to the clock intermediate value, so as to generate a corresponding current clock cycle number. The first IIR filter generates corresponding number mean value according to the current clock cycle numbers sequentially received by the first IIR filter. The clock range modulator sets the lead clock range corresponding to each teletext video signal according to the current clock cycle number, the number mean value, and the horizontal counter value. | 05-26-2011 |
20110134321 | Timeline Alignment for Closed-Caption Text Using Speech Recognition Transcripts - Method, systems, and computer program products for synchronizing text with audio in a multimedia file, wherein the multimedia file is defined by a timeline having a start point and end point and respective points in time therebetween, wherein an N-gram analysis is used to compare each word of a closed-captioned text associated with the multimedia file with words generated by an automated speech recognition (ASR) analysis of the audio of the multimedia file to create an accurate, time-based metadata file in which each closed-captioned word is associated with a respective point on the timeline corresponding to the same point in time on the timeline in which the word is actually spoken in the audio and occurs within the video. | 06-09-2011 |
20110285905 | VIDEO OUTPUT DEVICE AND VIDEO DISPLAY SYSTEM - To aim to provide a video output device that is capable of output a plurality of video streams with use of shutter glasses, and is capable of dynamically switching between different videos such that in the case where a plurality of viewers are viewing a video output by the video output device, only a viewer who is operating a remote control can view a video stream different from a video stream other viewers are viewing. Operation signals each instructing to start or terminate an operation mode are received. In an operation mode, time-sharing output of a first video stream and a second video stream is performed, and synchronizing signals each in synchronization with a time-sharing timing are transmitted. In a normal mode, images that are each generated based on any of images constituting the first video stream are output, and images constituting the second video stream are not output. | 11-24-2011 |
20130293775 | RECORDER FOR DIGITAL CAPTION BROADCAST - A recorder for digital caption broadcast includes a video signal receiver, an audio signal receiver, and a caption data signal receiver that respectively receive video signals, audio signals, and caption data signals from a digital caption broadcast; a video signal transmitter, an audio signal transmitter, and a caption data signal transmitter that respectively receive signals from the video signal receiver, the audio signal receiver, and the caption data signal receiver and transmit the received signals to a viewer monitor; and a variable display adjustor provided between the video signal receiver and audio signal receiver, and the video signal transmitter and audio signal transmitter, the variable display adjustor being capable of adjusting timings of video display and sound generation to match caption display on the viewer monitor. | 11-07-2013 |
20150049246 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - Disclosed are a display apparatus and a method of controlling the display apparatus, the display apparatus including: a signal receiver which receives a signal containing video data for displaying a series of frames; a first data extractor which extracts first caption data from the signal; a data acquirer which acquires second caption data from the extracted first caption data; a second data extractor which extracts the video data from the signal; a buffering section which buffers the extracted video data; a synchronizer which synchronizes the acquired second caption data with frames corresponding to relevant caption data among frames of the buffered video data; and a display which displays the frame synchronized with the second caption data. | 02-19-2015 |
348466000 |
Error correction or prevention | 4 |
20100128175 | DATA DECODING DEVICES AND DECODING METHODS THEREOF - Data decoding devices avoiding data error from incorrect sampling points caused by serious interference are disclosed. The data decoding devices receive an analog signal carrying a reference clock and at least one digital data. In the data decoding device, a slicer slices the analog signal at different sampling points by first and second sampling clocks to obtain first and second bitstreams, and the first and second sampling clocks have the same frequency and a predetermined phase difference. A data check unit evaluates whether the first bitstream is erroneous according to an error checking code thereof, outputs the first bitstream if it is error-free, and evaluates whether the second bitstream is erroneous according to the error checking code if the first bitstream is erroneous. | 05-27-2010 |
20100201872 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A service multiplexer of a digital broadcasting system includes a null data generator, a mobile service multiplexer, a main service multiplexer, and a multiplexer. The null data generator may generate null data. The mobile service multiplexer may multiplex and output compression encoded mobile service data, additional data for a mobile service, and null data at a pre-determined first data rate. The main service multiplexer may multiplex and output compression encoded main service data and additional data for a main service at a pre-determined second data rate. The multiplexer may multiplex the output data of the main service multiplexer and the output data of the mobile service multiplexer at a pre-determined third data rate and transmitting the multiplexed data to at least one transmitter located at a remote position. | 08-12-2010 |
20110194026 | METHOD AND SYSTEM FOR VIDEO COPYRIGHT PROTECTION - The present invention provides an improved method and system for copyright protection in video applications. In particular, the invention is concerned with preventing tampering of or destroying digital watermarking information contained in video images transmitted over error prone networks such as mobile transmission networks. To this end, a robust digital watermark method and system is proposed which protects watermarking by processing an original watermarked video stream ( | 08-11-2011 |
20130076979 | VIDEO TRANSMITTING APPARATUS, VIDEO TRANSMITTING METHOD, VIDEO RECEIVING APPARATUS, VIDEO RECEIVING METHOD, AND VIDEO TRANSMITTING-RECEIVING APPARATUS - A video transmitting-receiving apparatus has a simple configuration to transmit and receive high-quality video via two-way communication between 50 Hz and 60 Hz regions. A 50 Hz-60 Hz arrangement unit determines whether an operating frequency of a receiving-side video transmitting-receiving apparatus is 50 Hz or 60 Hz from received information. The 50 Hz-60 Hz arrangement unit obtains an operating frequency of a transmitting-side transmitting-receiving apparatus from a display unit (or an input unit) and determines whether the transmitting-side frequency is the same as the receiving-side frequency. When the frequencies are the same, a coding unit codes interlaced video outputted from the input unit. When the frequencies are different, the coding unit codes progressive video obtained by IP conversion of the input unit and generates a progressive video stream. A transmission unit transmits, to the receiving side, the coded stream and information indicating the transmitting-side frequency. | 03-28-2013 |
348463000 |
Full field | 1 |
20100060786 | METHOD AND APPARATUS FOR SCANNING CHANNEL - Method and apparatus for scanning channels of a broadcast receiver are provided. The channel scanning method includes determining whether to perform an entire channel scanning operation or a partial channel scanning operation in response to a channel scan command, if the entire channel scanning operation is determined to be performed, performing the entire channel scanning operation by scanning all channels and storing channel information regarding a channel in which a broadcast signal exists in a channel map, and if the partial channel scanning operation is determined to be performed, performing the partial channel scanning operation by scanning a channel which is not registered in a pre-created channel map, and storing channel information regarding the non-registered channel in which a broadcast signals exists in the non-registered channel map. | 03-11-2010 |
Entries |
Document | Title | Date |
20080225163 | METHOD AND SYSTEM FOR REDUNDANCY-BASED DECODING OF VIDEO CONTENT - Aspects of a method and system for redundancy-based decoding of video content are provided. A bit sequence comprising video content may be decoded in a multilayer process based on a decoding algorithm and at least one physical constraint. The decoding algorithm may be based on the Viterbi algorithm. Whether the bit sequence comprises video content may be determined based on information provided by a portion of a packet header or by packet priority information necessary for enabling quality of service applications. The physical constraint may be based on border, DC component, and/or low frequency continuity between neighboring discrete cosine transform (DCT) blocks. The physical constraint may also be based on the consistency of video data coded by a variable length coding (VLC) operation. At least one physical constraint test may be performed on selected estimated video bit sequences to select a decoded output video bit sequence. | 09-18-2008 |
20080259208 | Program ancillary data producing device, pictrure program editing device and picture program producing device - An apparatus for producing program ancillary data pertinent to each scene of a picture program to be recorded includes a display control unit for demonstrating, on a display picture, an input form having, as an input item, the information pertinent to a scene as an object of preparation, and a program ancillary data generating unit for correlating the information specifying an associated scene with the information as input through the input form, and for outputting the resulting information. | 10-23-2008 |
20080259209 | SYSTEM AND METHOD FOR CONVERGING AND DISPLAYING HIGH DEFINITION VIDEO SIGNALS - A system and method for processing and displaying a unitary image formed from the combination of a broadcast signal with a second signal with no or minimal modification, alteration or degradation of the broadcast signal. In one embodiment, the system and method processes and displays a High Definition Television (HDTV) video signal with another High Definition (HD) video and/or non-video digital media signal as one combined HD image. This convergence allows the HDTV video signal and the additional HD signal to be displayed on a monitor as a combined HD image without any modification in the appearance of the HDTV image when compared to an unprocessed HDTV image. The system and method allows an HDTV video signal to be wrapped and displayed with an additional media, such as advertising and entertainment, in a variety of display configurations. The advertising and entertainment may be selected based on various considerations to provide targeted advertising and entertainment. | 10-23-2008 |
20090046203 | VIDEO DATA PROCESSING APPARATUS AND METHOD FOR GENERATING A DIGITAL VIDEO DATA STREAM - The invention relates to a video data processing apparatus and a method for generating a digital video data stream. The video data processing apparatus is equipped with an input for the input of at least digital video data (vi), a processing unit for the processing of at least the input video data (vi), an output for the output of the processed video data (vi) and a control interface for interrupt and/or status data (di, ds), the processing unit and/or a data insertion unit insert the interrupt and/or status data (di, ds) into the input digital video data (vi), and the output (O) generating, as digital output data stream (vo), the input video data (vi) having the interrupt and/or status data (di, ds) placed or incorporated thereinto. | 02-19-2009 |
20090295989 | METHOD AND APPARATUS FOR TRANSMITTING CONTENT, AND METHOD AND APPARATUS FOR RECEIVING CONTENT - Provided are method and apparatus for transmitting/receiving broadcasting content. The method of transmitting broadcasting content includes generating metadata including at least one of information about an acquisition route of at least one additional content related to the broadcasting content and information about a target device to use the at least one additional content and transmitting the metadata and a broadcasting signal including the broadcasting content. | 12-03-2009 |
20100033624 | In-Band Data Recognition And Synchronization System - A method and apparatus for recognizing and synchronizing to in-band data at a multimedia device is provided. A content stream includes in-band data. The in-band data is processed and in-band data pattern data associated with the content stream are created. Metadata are attached to the event identification data. The event identification data are provided to multimedia devices which receive broadcasted multimedia content streams containing video programs with in-band data. The in-band data are processed and compared to the event identification data. If a match occurs, the multimedia device uses the metadata to perform specified actions. | 02-11-2010 |
20100118187 | ACCESS TO INTERNET DATA THROUGH A TELEVISION SYSTEM - A television system provides access to Internet data simultaneously with a displayed television program. Data units including data address sites available through a networked computer system such as the Internet are embedded in a television signal along with a television program. Information representing the data address site, such as an icon or descriptive text, is displayed simultaneously with the television program on the television. If the user selects the data address site, a data retrieval terminal in two-way communication with the network and associated with the television establishes a connection with the network and requests the data corresponding to the selected data address site. The retrieved information is then formatted for display. | 05-13-2010 |
20100128174 | ATSC MOBILE RECEPTION THROUGH OPTIMAL PLACEMENT OF MOBILE SENSITIVE PACKETS - A method for producing data frames by the optimal placement of mobile sensitive data packets in the data frame that has particular application for transmitting mobile data to be received by portable consumer electronics devices and/or moving vehicles. The method includes forming the data frame by inserting the mobile data in the data frame just after a frame sync and before the broadcast data. | 05-27-2010 |
20100208134 | Digital Television System and Receiver and Associated Method for Providing Information of Point of Interest - The present invention provides a digital television (TV) system and receiver which are capable of providing information of point of interest (POI) associated with programs or advertisements. A transmitting end of the digital TV system adds information of a POI included in a digital AV data into the digital AV data, so as to generate a digital AV signal to be transmitted. A receiving end of the digital TV system includes a digital AV receiver and a display device. The digital AV receiver receives and decodes the digital AV signal to generate the information of the POI. The display device displays the information of the POI. | 08-19-2010 |
20110032420 | METHOD FOR PROVIDING DATA APPLICATION OF DIGITAL BROADCASTING - A method for providing a data application of a digital broadcasting is disclosed. In accordance with the present subject matter, a time necessary for receiving and executing the data application and a limit in a number of or a size of the data application are minimized and a personalized data application can be provided based on a receiver identification information or a viewer identification information. | 02-10-2011 |
20110058101 | METHOD AND APPARATUS FOR CONCURRENT BROADCAST OF MEDIA PROGRAM AND SOCIAL NETWORKING DERIVED INFORMATION EXCHANGE - A method and apparatus for presenting a media program concurrently with viewer questions and live commentary about the media program is disclosed. As the media program is broadcasted, messages from the first group regarding the media program are accepted. The accepted messages are filtered to identify suitable messages of interest and to present only those messages to a second group for comment. The identified messages from the first group and comments from the second group are added to the broadcast media program concurrently or in real time. | 03-10-2011 |
20110069229 | AUDIO/VIDEO METHODS AND SYSTEMS - Audio and or video data is structurally and persistently associated with auxiliary sensor data (e.g., relating to acceleration, orientation or tilt) through use of a unitary data object, such as a modified MPEG file or data stream. In this form, different rendering devices can employ co-conveyed sensor data to alter the audio or video content. Such use of the sensor data may be personalized to different users, e.g., through preference data. For example, accelerometer data can be associated with video data, allowing some users to view a shake-stabilized version of a video, and other users to view the video with such motion artifacts undisturbed. In like fashion, camera parameters, such as focal plane distance, can be co-conveyed with audio/video content—allowing the volume to be diminished (or not, again depending on user preference) when a camera captures audio/video from a distant subject. Some arrangements employ multiple image sensors and/or multiple audio sensors—each also collecting auxiliary data. A great number of other features and arrangements are also detailed. | 03-24-2011 |
20110285904 | VIDEO SIGNATURE GENERATION DEVICE - The video signature generation device includes a visual feature extraction unit that extracts a visual feature to be used for identifying a video based on features of a plurality of pairs of sub-regions in the video; and a confidence value calculation unit that calculates a confidence value of the visual feature, in which if the video is a particular video, the confidence value calculation unit calculates a confidence value having a smaller value compared with the case of a video other than the particular video. | 11-24-2011 |
20120113320 | METHOD AND APPARATUS FOR TRANSMITTING EVENT DATA - The present invention relates to a method and an apparatus for transmitting event data to a display device, wherein both image sequences for displaying images of an event and supplemental data for the display of additional information relating to the event are transmitted as event data by a transmission device to the named display device. The event data are split and are transmitted over a plurality of transmission channels of differing bandwidth, with at least some of the image sequences being transmitted over at least one transmission channel of higher bandwidth and at least some of the supplemental data being transmitted over at least one transmission channel of lower bandwidth. | 05-10-2012 |
20120120312 | IMAGE SYNTHESIZING DEVICE, CODING DEVICE, PROGRAM, AND RECORDING MEDIUM - In order to prevent obstruction of a view of a subtitle due to synthesis of the subtitle onto an object area such as a person and display of the synthesized subtitle, an image synthesizing device includes: an image synthesizing unit which synthesizes a graphics object onto an image; and a display area detecting unit which outputs a display position of an area having the lowest spatial frequency; and a drawing control unit which causes the graphics object to be drawn at the display position. | 05-17-2012 |
20120162509 | Method for Combining Data Signals and Video Signals for Transmission to Video Display Units - A method capable of combining data signals and video signals for transmission to a video display unit. The method comprises the steps of generating a data signal, transmitting the data signal to an apparatus, receiving the data signal at the apparatus, receiving a video/audio signal at the apparatus, combining the video/audio signal with the data signal to form a single combined signal, and displaying the combined signal on a video display unit. | 06-28-2012 |
20120169928 | Network Media Device with Code Recognition - One embodiment may take the form of a network media device including a processing unit configured to execute instructions stored on one or more storage media, and a first communication component coupled to the processing unit and configured to receive a video signal over an audio/video interface from a broadcast receiver. The video signal may include an image code including identifying information regarding the broadcast receiver. The processing unit may be configured to process the image code to extract the identifying information. A second communication component may be coupled to the processing unit and configured to transmit control signals based on the identifying information of the broadcast receiver. | 07-05-2012 |
20120206647 | SYSTEM AND METHOD FOR TAGGING STREAMED VIDEO WITH TAGS BASED ON POSITION COORDINATES AND TIME AND SELECTIVELY ADDING AND USING CONTENT ASSOCIATED WITH TAGS - A system and method are provided to tag and identify content in the form of streaming video and other media. The tags are applied by location and time coordinates corresponding to the content of the streaming video. The tags are used for identifying, requesting, using and adding to such tagged items. For this purpose, the present invention is directed to a web based media content player and backend servers loaded with tagged streaming video and other media content. The media content player loads and plays the streaming video, including tags identifying items in the content, such as songs, locations, characters, products and individuals. The system and method provide a variety of uses for the tagged content. | 08-16-2012 |
20120218470 | Matrix Code-Based Accessibility - A method of presenting a matrix code for providing accessibility content includes receiving, at a content receiver, a signal carrying accessibility content, generating, at the content receiver, a matrix code from the accessibility content, and transmitting the matrix code as part of a content presentation to a presentation device for display, wherein the content presentation includes at least one of audio and visual content and the accessibility content includes an alternative form of at least one of the audio and the visual content for allowing a user to more fully comprehend the content presentation. Systems for implementing the method are also provided. | 08-30-2012 |
20120274847 | METHOD AND SYSTEM FOR REDUNDANCY-BASED DECODING OF VIDEO CONTENT - Aspects of a method and system for redundancy-based decoding of video content are provided. A bit sequence comprising video content may be decoded in a multilayer process based on a decoding algorithm and at least one physical constraint. The decoding algorithm may be based on the Viterbi algorithm. Whether the bit sequence comprises video content may be determined based on information provided by a portion of a packet header or by packet priority information necessary for enabling quality of service applications. The physical constraint may be based on border, DC component, and/or low frequency continuity between neighboring discrete cosine transform (DCT) blocks. The physical constraint may also be based on the consistency of video data coded by a variable length coding (VLC) operation. At least one physical constraint test may be performed on selected estimated video bit sequences to select a decoded output video bit sequence. | 11-01-2012 |
20130010189 | DIGITAL BROADCAST RECEIVER AND METHOD FOR PROCESSING CAPTION THEREOF - A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal. | 01-10-2013 |
20130050575 | METHOD OF DELIVERING MEDIA DATA FROM A TRANSMITTER TO A RECEIVER - A method of processing media data received at a receiver over a bitstream having a standardized format that supports descriptors includes receiving at the receiver an extension descriptor that specifies a descriptor tag having a value within a prescribed tag value range, a descriptor length having a value within a prescribed length value range, at least one extension descriptor tag value that identifies a descriptor, and extension descriptor data associated with the identified descriptor. Responsive to the extension descriptor tag value, the identified descriptor and the extension descriptor data associated with the identified descriptor are employed to process the media data at the receiver. | 02-28-2013 |
20130215327 | RECEPTION APPARATUS, RECEPTION METHOD, PROGRAM, AND INFORMATION PROCESSING SYSTEM - Disclosed herein is a reception apparatus including: a reception portion configured to receive audio video content; a trigger extraction portion configured to extract trigger information for operating an application program transmitted along with the audio video content and executed in interlocked relation to the audio video content; a table acquisition portion configured to acquire a correspondence table for associating the trigger information with commands for controlling the operation of the application program; a command determination portion configured such that, based on the acquired correspondence table, the command determination portion determines the commands associated with the extracted trigger information; and a control portion configured to control the operation of the application program in response to the determined commands. | 08-22-2013 |
20130250171 | METHOD AND APPARATUS FOR INTERRUPTING HDMI CEC BROADCAST MESSAGES - A method and means for selectively interrupting HDMI CEC broadcast messages include the electrical connection of the connectors of a male HDMI connector with respective connections of a female HDMI connector to form a pass through connector with the exception of a CEC line, which is disconnected. The method and means are such that the CEC line can be controllably connected and disconnected via, for example, a controllable circuit board. The circuit board can be programmed to block selected CEC commands by controllably connecting and disconnecting a respective CEC line in response to a CEC command. | 09-26-2013 |
20160127676 | DISPLAY APPARATUS AND METHOD FOR UPDATING TIME INFORMATION THEREOF - A display apparatus and a method for updating time information thereof are provided. The display apparatus includes a display, a power supply configured to supply power to a controller in response to alternating current (AC) power being supplied to the display apparatus, a tuner configured to receive a broadcast signal from an external source, and a controller configured to control the power supply to supply power to the tuner, to extract time information from the broadcast signal received from the tuner, and to update time information of the display apparatus based on the extracted time information, in response to AC power supply to the display apparatus being detected. | 05-05-2016 |