Abstract: A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed. The demodulator demodulates the DTV signal, and the known data detector detects known data included in the mobile service data. The equalizer equalizes the demodulated DTV signal using the detected known data, and the transmission parameter detector detects an error correction mode from the equalized DTV signal. Finally, the block decoder decodes the equalized DTV signal for error correction using the detected error correction mode.

Abstract: A digital demodulating apparatus comprises circuit elements constituting a tuner that performs channel select processing to an interleaved received signal, and a demodulator that demodulates the received signal; a deinterleaving section that deinterleaves the interleaved received signal; an error correcting section that corrects errors in the received signal deinterleaved by the deinterleaving section; and a circuit element controlling section that controls an operation of at least one of the circuit elements. The circuit element controlling section estimates the quantity of hypothetical errors in the received signal caused by a control of a circuit element. The circuit element controlling section judges from the estimated quantity of hypothetical errors whether the error correcting section can correct errors in the received signal caused by the control of the circuit element.

Abstract: The present invention provides a video encoding device in which a capacity of a binary data storing unit is small, a size of the video encoding device is small, a video signal can be processed in real time, and reduction in quality of images generated from the eventually obtained data can be prevented. The video encoding device according to the present invention includes: a video encoding unit which encodes a video signal; a binarization unit which binarizes an encoded value obtained from the video encoding unit; and an entropy encoding unit which subjects entropy encoding to binary data obtained from the binarization unit.

Abstract: An apparatus and a method for providing serialized HDMI data from an HDMI source to an HDMI sink. An HDMI transmitter may include inputs including control inputs, a deserializer, and a parser. The inputs may receive serialized HDMI data from an HDMI data source. A deserializer may deserialize the serialized HDMI data received on each of the respective inputs and outputting parallel data for each of the inputs. A parser may parse the parallel data output from the deserializer from each of the respective inputs into serial video data at a first clock rate and audio data at a second clock rate. Control inputs of the transmitter may be set to a first mode in which from the deserializer is caused to bypass the parser, and the parallel data is output from the HDMI transmitter.

Abstract: [Object] To provide a transmission apparatus, a reception apparatus, a communication system, a transmission method, a reception method, and programs therefor that are capable of efficiently transmitting at least a plurality of pieces of video data included in data of a plurality of contents at the same time. [Solving Means] A switch unit (32a) of a transmission apparatus selects one of a plurality of pieces of video data supplied from a storage apparatus (42) in accordance with video data designated by a transmission data control unit (32i) and supplies it to an IF unit (32b). The IF unit (32b) transmits video data decoded by a decode unit (113) from a terminal (335). The compressed video data supplied from the switch unit (32a) is transmitted via a terminal (336). The terminal (335) is included in a first channel unit. In a case where the IF unit (32b) is an HDMI, for example, the terminal (335) is a terminal for a TMDS channel.

Abstract: According to one embodiment, an information processing apparatus from which a display module is detachable, the apparatus includes a processor configured to executes arithmetic processing, a controller configured to communicate with an external device, a detector configured to detect an attachment and a detachment of the display module, a determination module configured to determine whether the apparatus is permitted to be switched to a sleep state when the detector detects the detachment, a switching module configured to switch the apparatus to the sleep state when the determination module determines that the apparatus is permitted to be switched to the sleep state, and a lock module configured to inhibit a communication between the external device and the controller and to invalidate an input of data from an input device to the processor when the determination module determines that the apparatus is not permitted to be switched to the sleep state.

Abstract: In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a multiplexing control signal to transmit the multiplexed signal through a data line in the signal transmitter. Further, a demultiplexing part demultiplexes a video/audio multiplexed signal received through the data line into the original video signal and audio signal by a demultiplexing control signal in the signal receiver. According to the so-configured signal transmitter and signal receiver, it is possible to realize a signal transmission system compliant with the DVI standard, in which the audio signal as well as the video signal can be transmitted.

Abstract: A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.

Abstract: The method for transmitting video data encoded in a scalable video stream representing said video data in a plurality of layers, comprises, for at least one layer: a step of obtaining (317) pre-encoded macroblocks of said scalable video stream representing said video data in a plurality of layers, a step of grouping (319) macroblocks, used for inter layer prediction, of the pre-encoded macroblocks obtained by the obtaining step, into first groups of macroblocks, a step of grouping (319) macroblocks, not used for inter layer prediction, of the pre-encoded macroblocks obtained by the obtaining step, into second groups of macroblocks, a step of estimating a loss variability over a network, a step of selecting (331) groups of macroblocks from the first and second groups of macroblocks based on the loss variability estimated by the estimating step and a step of transmitting (333) the groups of macroblocks selected by the selecting step over the network.

Abstract: A source device transmits an output format notify message for video data to a sink device before transmitting the video data to the sink device, the output format notify message including a 3D field storing data for identifying whether the video data to be transmitted is two-dimensional video data or three-dimensional video data transmitted using frame packing. In response to this, the sink device identifies a type and a format structure of the video data, and decodes the received video data based on the identified type and format structure of the video data.

Abstract: A digital audio encoder, digital video conditioner, and a digital modulator are described for producing a television broadcast signal at a desired channel frequency range. Left and right audio channel signals are digitized and encoded according to a stereo standard and then combined to form a stereo audio signal. A second audio programming channel signal may be included. A video input can be digitized and conditioned to form a digital video channel. The stereo audio signal can be placed directly at a desired channel frequency by frequency modulation without the need for using an intermediate frequency. The digital video channel can be placed at a desired frequency by amplitude modulation. The digital and audio channels can be digitally combined to create a television transmission signal at a desired frequency and according to a desired standard.

Abstract: The mobile electronic device for reproducing digital content includes a body and a content transmission interface connector. The body is configured to store and process the digital content, where the digital content includes high-quality uncompressed video data. The content transmission interface connector includes a male connector configured to be connected directly to an external display device and configured to output the digital content to the external display device.

Abstract: A digital television (DTV) transmitter and a method of processing data in the DTV transmitter/receiver are disclosed. In the DTV transmitter, a pre-processor pre-processes the enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded data. A packet formatter generates one or more groups of enhanced data packets, each enhanced data packet including the pre-processed enhanced data and known data, wherein the data formatter adds burst time information into each group of enhanced data packets. And, a packet multiplexer generates at least one burst of enhanced data by multiplexing the one or more groups of enhanced data packets with at least one main data packet including the main data, each burst of enhanced data including at least one group of enhanced data packets.

Abstract: A digital broadcast system and method of processing digital data is disclosed, including a digital broadcast transmitter and digital broadcast receiver and methods thereof.

Abstract: Within a short-distance wireless transmitting apparatus for use of TV, for transmitting video without interruption and with low power consumption, a transmitter portion having a reception frequency differing from a transmission frequency is provided on a station side having a video source, and a receiver portion for receiving the frequency corresponding to a reception frequency band of the station side and also a transmitter portion for transmitting the frequency corresponding to a reception frequency band of the station side are provided on a panel side for displaying, in the structure thereof, wherein transmission/reception can be operated, simultaneously, by FDD separating in frequency for transmission. The frequency of the transmitter on the panel side is determined upon basis of a scan result, while scanning a vacant frequency on the station side, and thereby enabling to escape from an interference from other system, when the panel executes the transmission, in the structure thereof.

Abstract: Uncompressed video information is transmitted over a wireless communication medium from a wireless sender device to a wireless receiver device. Progressive transmission data rate adaptation is performed on original uncompressed video pixel information. The progressive transmission data rate adaptation is performed on selected pixel information to obtain a rate-reduced pixel information. The rate-reduced pixel information requires a lower transmission data rate than the original frame. The rate-reduced pixel information is transmitted over the wireless communication medium to the wireless receiver device. At the receiver, a reverse operation is performed to recover the original uncompressed video pixel information.

Abstract: A system includes an HDCP-over-USB controller including an HDCP module for encrypting or decrypting video data according to an HDCP standard prior to transmission or display of said video data.

Abstract: A transmission apparatus includes: a video-signal transmission section transmitting a video signal to an external apparatus by a differential signal through a plurality of channels through a transmission line; and an information transmission section transmitting image-quality adjustment information corresponding to the video signal transmitted by the video-signal transmission section to the external apparatus through a communication path formed by a pair of differential transmission lines included in the transmission line.

Abstract: A DTV transmitter includes a signal generator, an interleaver, a trellis encoder, and a modulator. The signal generator generates a first data group including first, second and third regions, the first and third regions including main data and RS parity data, the second region including enhanced data coded with a first coding rate, enhanced data coded with a second coding rate, a plurality of known data sequences, signaling information and RS parity data. The interleaver interleaves the first data group to generate a second data group including fourth, fifth and sixth regions, the fifth region including enhanced data, a plurality of known data sequences, signaling information, and RS parity data, the fourth region including main data, RS parity data, and enhanced data. The trellis encoder trellis-encodes the second data group. The modulator modulates a broadcast signal including the trellis encoded second data group.

Abstract: Provided is a display apparatus including a first signal receiving unit that receives a non-compressed video signal from an external device via a first transmission path through a plurality of channels by means of a differential signal, an image display unit that displays images by processing the video signal received by the first signal receiving unit, a second signal receiving unit that receives a compressed video signal of a same video source as the non-compressed video signal by using a bi-directional communication path configured by predetermined lines of the first transmission path, and a signal transmitting unit that transmits a compressed video signal corresponding to the compressed video signal received by the second signal receiving unit to another external device different from the external device.

Abstract: The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof.

Abstract: A system and method bringing video to commercial FM and video to Sub-Carrier Authorization programming, the system would make use of a Double Sideband Suppress Carrier SCA frequency at 67 kHz, modulated by a Slow San Video Converter for providing minute by minute snap shots of video related to the audio program on the main FM channel such as if the main FM channel being listened to is 87.7 MHz then the related video channel would be 87.767 MHz, also, an additional audio/slow scan video FM station would be available as well and will be known as fm2, the audio portion of fm2 is an Independent Sideband Suppressed Carrier for providing audio in stereo at the SCA frequency at 92 kHz and the slow scan video portion of the station is again another Double Sideband Suppress Carrier SCA at the frequency of 114 kHz.

Abstract: A television includes a television signal receiving unit, a communication signal receiving unit, a processor, and a display unit. The television signal receiving unit is configured to receive TV signals. The communication signal receiving unit is configured to receive communication signals from a communication device. The processor is used for processing the TV signals to generate first video signals, and extracting second video signals from the communication signals. The display unit is used for displaying the first video signals default. When the communication signal receiving unit receives the communication signals, the processor controls the display unit to display the second video signals.

Abstract: A method and architecture for processing signal communications between an encoder and decoder operating according to the ATSC standard adapted for mobile handheld transmission is disclosed. The method and apparatus comprises embedding code rate identifiers in the packet ID and training sequences, using a chirp sequence as a training sequence and transmitting data in a single burst wherein the data is encoded according to multiple code rates.

Abstract: An optical system includes more than two optical interferometers that generate interference phenomena between optical waves to measure a plurality of distances, a plurality of thicknesses, and a plurality of indices of refraction of a sample. An electromagnetic detector receives an output of the optical interferometers to render a magnified image of at least a portion of the sample. A controller reduces or eliminates undesired optical signals through a hierarchical phase unwrapping of the output of the electromagnetic detector.

Abstract: Methods and systems for encoding and decoding signals using a Multi-input Multi-output Time Encoding Machine (TEM) and Time Decoding Machine are disclosed herein.

Abstract: A narrowband communication system (100) includes a base station (102) and a plurality of subscriber units (104). The base station assigns one or more wideband channels to be measured to each subscriber unit (606). The subscriber units tune to their assigned wideband channels and perform narrowband measurements, then report the results to the base station (612). The base station then analyzes the measurement results (614) and selects available wideband channels to be divided into narrowband channels for use by the narrowband system.

Abstract: The present invention relates to the TV field. An auto-broadcasting TV unit and an auto-broadcasting method are provided in the present invention to solve the problem of complicated operations for broadcast of a TV terminal with the existing technology. The device includes an antenna, a TV signal processing module, a sensor, and a judging module. The TV signal processing module is configured to process signals received by the antenna and display signals to a user. The sensor is configured to detect the use status of the antenna and send the status information of the antenna to the judging module. The judging module is configured to turn on or turn off the TV signal processing module according to the status information. The benefit of the present invention is to simplify the operation for a user.

Abstract: A digital television (DTV) signal for use in a DTV receiver includes an extended text table (ETT) which includes a header and a message body. The header includes a table identification extension field which serves to establish uniqueness of the ETT, and the message includes an extended text message (ETM). If the ETT is an event ETT, the table ID extension field includes an event identification which specifies an identification number of an event associated with the ETT. On the other hand, if the ETT is a channel ETT, the table identification extension field includes a source identification which specifies a programming source of a virtual channel associated with the ETT. A section-filtering unit included in the DTV receiver is able to use table identification extension fields of a plurality of ETTs for section-filtering a pertinent event or channel ETT from the ETTs.

Abstract: A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, wherein the FIC signaling information includes a current/next (C/N) indicator, and wherein the TPC signaling information includes FIC version information, and detecting ensemble configuration information of a current MH frame.

Abstract: The invention comprises a low cost, lightweight, self-contained video transmission module for transmitting streaming video images from a video image source to a remote location over a packet-switched network such as the internet. The transmission module requires no user skill or expertise to connect or to operate and provides high quality real-time streaming video to remote users. The transmission module is especially useful for transmitting images from medical equipment such as XRay, CT, MRI and ultrasound equipment at a medical site which does not otherwise have access to video conference capabilities to thereby enable consultation with specialists at a remote location. Thus, it is expected to be especially beneficial to smaller and poorer medical sites, as well as enabling real-time consultation from mobile vehicles such as ambulances or helicopters. It also is expected to be useful in other applications involving remote consultations accompanied by video streaming.

Abstract: The present invention sets forth a method and system for mating a signal transmitting device and a viewing device. In one embodiment, the method includes determining presence of the signal transmitting device and the viewing device, selecting a unique code from a pre-determined group of codes assigned to the signal transmitting device, and sending the unique code to the viewing device for the viewing device to decipher data packets from the signal transmitting device.

Abstract: PCM audio data is recoded in a first session P1 as a first region on the inner periphery side of an optical disc Ma. Living body information is recorded in a second session P2 as a second region on the outer periphery side. The living body information is information about a living body of a music performer, an actor (actress), audience, or the like. AV information and living body information recorded on the optical disc are temporally synchronized. PCM audio data and living body information are reproduced from respective sessions. The tempo, level, and so forth of the reproduction PCM audio signal are controlled in accordance with the living body information. Thus, a listener who listens to a sound of the PCM audio signal controlled in accordance with the living body information can feel a live power.

Abstract: A system and method for dual mode DP and HDMI transmission are provided. Briefly described, one embodiment of a dual mode DP and HDMI transmitter, among others, can be implemented as follows. The dual mode DP and HDMI transmitter comprises a driver circuit controlled by a data signal. The dual mode DP and HDMI transmitter also comprises a control circuit coupled to the driver circuit. The control circuit is configurable to transmit the data signal in a DP mode or a HDMI mode according to a mode signal. One embodiment of a method, among others, comprises: receiving a mode signal; determining whether to configure the dual mode DP and HDMI transmitter for transmitting in a DP mode or an HDMI mode based on the received mode signal; and configuring a dual mode DP and HDMI transmitter in accordance with the determination.

Abstract: Each of a plurality of digital video transmitting devices 100-1 and 100-2 is provided with an IEEE802.3 PHY unit 104 for transmitting video data via a digital network based on the IEEE802.3 standards. A digital video receiving device 200 is provided with a plurality of IEEE802.3 PHY units 201-1 and 201-2 for receiving the video data from the plurality of digital video transmitting devices 100-1 and 100-2 respectively. The IEEE802.3 PHY units 104 of the digital video transmitting devices 100-1 and 100-2 are connected to the IEEE802.3 PHY units 201-1 and 201-2 of the digital video receiving device 200 respectively via an IEEE802.3 network cable.

Abstract: A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced data packet. A first multiplexer multiplexes the main data packets with the enhanced data packets having the first null data. A holder inserter inserts second null data into second place holders within an enhanced data packet outputted from the first multiplexer. A data interleaver replaces the second null data with parity data. A data generator generates at least one known data sequence. A symbol processor replaces the first null data included in an output of the data interleaver with the known data sequence(s). A non-systematic RS encoder generates the parity data by performing non-systematic RS-coding on an output of the symbol processor, and provides the parity data to the data interleaver.

Abstract: A system comprising a first filter having an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire is disclosed. A first bypass path has an input and an output for bypassing the first filter. A second filter has an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire. A second bypass path has an input and an output for bypassing the first filter. A third filter has an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire. A third bypass path has an input and an output for bypassing the first filter. The three filters can be configured form a signal path or one or more filters removed from the signal path by switching in bypass paths.

Abstract: An apparatus for receiving and transmitting digital television signals comprising: an input interface (10) for receiving at least one television signal (100) and at least one DVB-H signal (110); a splitting circuit (20) having an input (21) connected to said input interface (10) and a first and a second output (22, 23); an output interface (30) associated with the first output (22) of said splitting circuit (20) for outputting said television signal (100); an antenna (40) associated with the second output (23) of said splitting circuit (20) for retransmitting said DVB-H signal (110).

Abstract: A system for transmitting auxiliary data within a modulated video signal from a broadcast source to a hand-held device with a slot, the system comprising the broadcast source comprises means for transmitting auxiliary data to the slotted hand-held device via the modulated video signal; an interface device electronically coupled to the hand-held device via the slot and comprises a card microcontroller, a receiver electronically coupled to the card microcontroller for receiving the modulated video signal from the broadcast source, and circuitry electronically coupled to the card microcontroller and the receiver for demodulating the modulated video signal and reproducing the auxiliary data, and transferring the auxiliary data to the hand-held device via an interface protocol, and the hand-held device with the slot comprises a microcontroller for processing the signal auxiliary data received via the interface protocol from the interface device.

Abstract: Provided is a method and system for transmitting/receiving broadcasting service. The method for transmitting a 3-dimensional broadcasting service includes: encoding a reference image and an additional image of the 3-dimensional broadcasting service to generate a reference image stream and an additional image stream; receiving a service map table defining the 3-dimensional broadcasting service; and transmitting the reference image stream, the additional image stream and the service map table in real time.

Abstract: In a cellular phone terminal, a bit error rate measurement section measures a bit error rate of broadcast data received by a broadcast reception section for receiving a digital broadcast to output broadcast data while a transmission operation of a communication transmission section for wirelessly communicating with a broadcasting communication network is performed. When the measured bit error rate is equal to or higher than a predetermined threshold, stopping of the transmission operation of the communication transmission section is instructed. Thus, a failure such as interruption of television broadcasting reproduction can preliminarily be prevented by avoiding error occurrence in reception of the 1 segment broadcasting service due to an influence of a transmission electric wave in data communication. As a result, stable reception of the 1 segment broadcasting service can be executed.

Abstract: A transmit digital processing system for wireless transmission of HDMI and/or DVI data using an FPGA. The FPGA converts the data into two data streams and includes a front end component multiplexing video data with control data. A complementary receive FPGA is also disclosed.

Abstract: Methods and systems are provided for processing video data. In an embodiment, a method of scaling video data includes scaling one frame based on at least one seam of pixels of the one frame. The seam of pixels is selected based at least on information derived from at least one of: a previous frame and metadata relating to the one frame. In an embodiment, a method of processing video data includes determining whether a frame is to be scaled based on at least one seam of pixels based on at least one of information derived from the frame or metadata relating to the frame. The at least one seam of pixels is selected based at least on an energy associated with each pixel of the at least one seam of pixels.

Abstract: A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit.

Abstract: A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in a channel group. The system provides for a closed loop injection signal phasor control so as to maintain substantially constant relationship between the television signals and the injected signals. The combined signals are supplied to subscribers enabling the use of their cable ready equipment.

Abstract: A digital audio encoder, digital video conditioner, and a digital modulator are described for producing a television broadcast signal at a desired channel frequency range. Left and right audio channel signals are digitized and encoded according to a stereo standard and then combined to form a stereo audio signal. A second audio programming channel signal may be included. A video input can be digitized and conditioned to form a digital video channel. The stereo audio signal can be placed directly at a desired channel frequency by frequency modulation without the need for using an intermediate frequency. The digital video channel can be placed at a desired frequency by amplitude modulation. The digital and audio channels can be digitally combined to create a television transmission signal at a desired frequency and according to a desired standard.

Abstract: The present invention relates to a communication system, a transmitter, a receiver, a communication method, a program, and a communication cable for providing high-speed bidirectional communication while maintaining compatibility. When an HDMI (R) source 71 performs bidirectional IP communication with an HDMI (R) sink 72 using a CEC line 84 and a signal line 141, a switching control unit 121 controls a switch 133 so that, when data is transmitted, the switch 133 selects a constituent signal forming a differential signal output from a converting unit 131 and, when data is transmitted, the switch 133 selects a constituent signal forming a differential signal output from a receiver 82. When bidirectional communication is performed using only the CEC line 84, the switching control unit 121 controls the switch 133 so that the CEC signal output from the HDMI (R) source 71 or the receiver 82 is selected. The present invention is applicable to, for example, HDMI (R).

Abstract: A signal comprises a sequence of fields, each field having a synchronization portion and a data portion, a transmitter inserts a pseudonoise (PN) sequence into the synchronization portion of a field for use in identifying a presence of mobile data in the data portion of that field; and transmits the signal. In complementary fashion, a receiver receives the signal and upon detecting the PN sequence in the synchronization portion of the received signal determines whether or not mobile data is in the data portion of that field of the received signal.

Abstract: A method for transmitting/receiving a broadcasting signal and a broadcasting signal receiver are disclosed. An identifier of a burst period is obtained from program table information of the broadcasting signal including mobile data and only the burst period in which a broadcasting program desired by a user is transmitted is received. Accordingly, when the broadcasting signal is received, only a desired burst period is received such that power consumption of the broadcasting signal receiver can be reduced.

Abstract: Multifunctional transmitters capable of transmitting signals of different specifications in different modes are provided, in which N output units are provided and each output unit comprises a serializer and an output driver. A control unit, according to a mode selection signal, selects a first set of output units from the N output units to transmit a first video data compatible with a first transmission interface under a first transmission mode and selects a second set of output units from the first set of output units to transmit a second video data compatible with a second transmission interface which is different from the first transmission interface under a second transmission mode.