Abstract: A wireless transmission method includes: receiving a location specification message indicating a location of a source device (S702 and S703); and selecting a connection mode applied between first and second wireless transmission devices, on the basis of the location of the source device indicated by the location specification message, and establishing a connection according to the selected connection mode (S704 to S706). When the source device is located on a side of the second wireless transmission device (Yes in S704), a first wireless connection mode is selected in the selecting so that the video data is wirelessly transmitted in a direction from the second wireless transmission device to the first wireless transmission device (S706).

Abstract: Signal amplifiers are provided that have a two (or more) piece housing that has an input port, an output port and a power port. At least one of the housing pieces comprises an aluminum housing piece. A first coaxial connector is mounted in the input port, a second coaxial connector is mounted in the output port and a third coaxial connector is mounted in the power port. A power amplifier is mounted within the housing, and is configured to amplify an input signal received through the first coaxial connector. At least first and second of the housing pieces have at least one metal plated thereon, and the first housing piece is soldered, welded or brazed to the second housing piece.

Abstract: A communication apparatus includes: a transmitting unit, a receiving unit and a control unit. The transmitting unit transmits video data to an external apparatus via a first transmission line. The receiving unit receives a command from the external apparatus via a second transmission line. The control unit that resets the transmitting unit without resetting the receiving unit if a communication error relating to the first transmission line is detected, and resets the receiving unit without resetting the transmitting unit if a communication error relating to the second transmission line is detected.

Abstract: The transmission apparatus and transmission power controlling method are able to keep high speed feedback control and control transmission power accurately. Polar modulation transmitter (100) is provided with LPF (108) that performs waveform shaping of output power of PA (103) and ADC (109) that obtains output power data for each mode by sampling filtered signals in compressed mode and filtered signals in uncompressed mode at the same phase as the filtered signals in compressed mode. In this way, the phases of sampling signals before and after the mode change are the same, so that it is possible to obtain sampling signals of the same condition before and after the mode change, from filtered signal waveforms. According to feedback control based on these sampling signals, even if drift components remain in the filtered signals, the influence can be ignored, so that it is possible to keep high speed feedback control, and estimate and control transmission power accurately.

Abstract: In a home theater system having a source apparatus, a repeater apparatus and a sink apparatus connected in the recited order, when connected to a sink apparatus, whatever type it is, the repeater apparatus provides the source apparatus with video and audio signal format information that allows correct transmission. A control part 210 of the repeater apparatus 200 reads EDID information from memory 321 of the connected sink apparatus 300, and analyzes video and audio signal formats that can be processed by the sink apparatus 300, and when any format that cannot be handled by the repeater apparatus 200 itself is included, the repeater apparatus deletes information concerning that format to reconstruct the EDID information, and stores the reconstructed information into memory 221 in order to cause the source apparatus 100 to reference the stored information as EDID information of the repeater apparatus itself.

Abstract: A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal. A transmission relay circuit relays the signal from the interface panel to a broadcast network, and preferably including a broadcast signal detection circuit, and a signal processing circuit. The detection circuit determines a signal type of the broadcast signal, and the signal processing circuit processes the determined signal type. The system preferably further includes an operations control station displaying the determined type of broadcast signal.

Abstract: There is provided a transmitter device including an interface unit that is an interface for connection to a receiver device via a transmission path, a pre-emphasis unit configured to generate a pre-emphasis signal, the pre-emphasis signal being obtained by adding to an input signal another signal for compensating for a high-frequency component of the input signal, and a transmission control unit configured to acquire identification information indicating whether the receiver device is capable of performing a process of receiving the pre-emphasis signal, switch the receiver device to a state in which the receiver device is capable of performing the process of receiving the pre-emphasis signal in accordance with the identification information, and control the pre-emphasis unit to generate the pre-emphasis signal.

Abstract: The present invention has an object to provide a wireless communications adaptor device which can reduce the connection time to the destination when another sink device is selected as the destination. A control unit (203) included in the wireless communications adaptor device determines whether or not a device ID of an adapter device for a sink device (105 or 106) and EDID information corresponding to the device ID are registered in an EDID managing table (206). The device ID and the EDID information are obtained through authentication processing with the adapter device for the sink device (105 or 106). When the device ID is registered, the control unit (203) copies the EDID information corresponding to the device ID to the EDID table (205).

Abstract: The method for transmitting a video sequence from a transmitting terminal (1) including at least one short-range radio interface and one long-range radio interface towards at least one receiving terminal (5) comprises the steps of segmenting the video sequence into a base layer, making it possible to obtain a low-quality video sequence, and at least one improvement layer, complementary to the base layer, and making it possible, in combination with the base layer, to obtain a better quality video sequence, transmission by the long-range radio interface of the transmitting terminal (1) of at least the entire base layer towards the receiving terminal (5), transmission by the short-range radio interface (1) of at least the entire improvement layer towards at least one cooperation terminal (2) comprising at least one short-range radio interface and one long-range interface (13), and transmission, by the long-range radio interface, of said cooperation terminal (2), of at least the entire improvement layer towards t

Abstract: There is provided a data transmission device including a acquisition unit which acquires identification information indicating whether or not a data reception device operating by a first digital interface is compatible with a second digital interface other than the first digital interface, which is stored in a storing unit of the data reception device, via the first digital interface of the data reception device and the second digital interface of the data transmission device operating by the second digital interface, and a distinction unit which distinguishes whether or not the data reception device is compatible with the second digital interface, based on the identification information acquired by the acquisition unit.

Abstract: A digital broadcast system and a method of processing data are disclosed. The receiving system of the digital broadcast system includes a signal receiving unit, a first data processor, a second data processor, and an A/V decoder. The signal receiving unit receives at least one of first mobile service data that is transmitted according to a first transmission method and second mobile service data that is transmitted according to a second transmission method. The first data processor performs demodulation on the first mobile service data received by the signal receiving unit using a first demodulation method and corrects errors occurring in the demodulated first mobile service data. The second data processor performs demodulation on the second mobile service data received by the signal receiving unit using a second demodulation method and corrects errors occurring in the demodulated second mobile service data.

Abstract: A signal transmission apparatus includes: a multiplex unit generating B/Rch by multiplexing image signals read from B, R pixels arranged in the same sample alternately on active regions corresponding to Cch in HD-SDI with a start code similar to SAV or EAV, in which image signals sequentially read in a line direction and inputted with a given number of samples from an imaging device having an RGB full pixel structure in which R, G and B pixels disposed in one sample respectively output R, G and B image signals, as well as generating Gch by sequentially multiplexing image signals read from samples of G pixels adjacent in the line direction on active regions corresponding to Ych in HD-SDI with the start code; and an 8 B/10 B encoder outputting serial digital data obtained by 8 B/10 B encoding and converting active regions in the B/R ch and the Gch having the data structure corresponding to HD-SDI as well as auxiliary data regions including SAV, EAV, LN and CRCC.

Abstract: A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel impulse responses (CIR) during known data intervals adjacent to each normal data block. The average calculator calculates an average value of the CIRs. The second transformer converts the average value into frequency domain data. The coefficient calculator calculates equalization coefficients using the average value, and the compensator compensates channel distortion of each normal data block using the coefficients. The third transformer converts the compensated data block into time domain data.

Abstract: A DTV receiver includes a tuner, an information detector, a demodulator, and a channel equalizer. The tuner receives a broadcast signal including valid data in which a known data sequence is periodically repeated. The information detector detects location information of the known data sequence and a coarse frequency offset value of the broadcast signal. The demodulator demodulates the broadcast signal by estimating a fine frequency offset value using the detected location information and by compensating a frequency offset of the broadcast signal using the course and fine frequency offset values. Finally, the channel equalizer compensates channel distortion of the demodulated signal using the detected location information.

Abstract: Disclosed herein is a transmitting device, including: a reproduction time information adding portion configured to add reproduction time information specifying timing of reproduction of data as an object of transmission to the data; a control time information adding portion configured to add control time information specifying control timing when circuit control is performed on a circuit, the data being to be transmitted through the circuit, to data transfer control information; and a transmitting portion configured to transmit data to which the reproduction time information and the control time information are added.

Abstract: A method for transmitting a broadcast signal including generating display control information for a plurality of broadcast objects to be displayed on a receiving terminal, and transmitting the broadcasting signal including both the plurality of broadcast objects and the display control information to the receiving terminal. Further, the display control information includes instructions on how the receiving terminal is to display the plurality of images.

Abstract: A system for minimizing signals for video data communication is provided. The system comprises a first interface for selecting at least one video signal for transmission via a video data vector based on a data enable signal and a second interface for outputting at least one video signal from the video data vector based on the data enable signal.

Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.

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 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: A transmission device includes: a communication unit that communicates with a plurality of reception devices; a transmission data setting unit that compares the number of the reception devices as transmission targets of transmission data representing content and a predetermined threshold value and sets the transmission data to be transmitted to the reception devices to each reception device based on a result of the comparison such that a transmission rate for transmission that represents an amount of data transmission necessary to transmit the transmission data to the reception devices does not exceed a reference transmission rate representing an amount of data transmission at which data can be transmitted in the communication, and the transmission data having relatively high reproduction quality is transmitted to the reception devices as the transmission targets; and a transmission processing unit that concurrently transmits the transmission data set by the transmission data setting unit to the corresponding

Abstract: The disclosed embodiments provide a system for managing multiple sink devices in a computer system. During operation, the system performs a discovery operation to identify one or more sink devices which are coupled to the computer system, wherein the discovery operation determines an interconnection topology between the computer system and the one or more sink devices, and wherein multiple sink devices can be coupled to the computer system through the same connector. Next, the system associates the one or more sink devices with one or more frame buffers which are used to assemble content streams for the one or more sink devices. Finally, the system drives the one or more sink devices through the one or more frame buffers.

Abstract: A video signal transceiver has a triax port, a baseband port, a demodulator for converting a HF video signal received at said triax port into a baseband video signal for outputting at said baseband port and at least one modulator for converting a baseband control signal received at said baseband port into a HF control signal for outputting at said triax port, a fibre-optical port, an optical receiver for converting an optical video signal received at said fibre-optical port into a baseband video signal, a switch for connecting either an output of said demodulator or of said optical receiver to a video signal line of said baseband port, and an optical transmitter for transmitting, via said fibre-optical port, an optical control signal derived from said baseband control signal.

Abstract: A networking device for multimedia applications including self-configurable asymmetric ports. The networking device is coupled to end-devices configured to use multimedia control messages to control their operation. The networking device monitors the multimedia control messages transmitted through it and sets the direction of at least one of the self-configurable asymmetric ports according to the monitored multimedia control messages. Also disclosed a wired switch supporting uncompressed video including self-configurable asymmetric ports. The switch is coupled to end-devices configured to use control messages to control their operation, and the switch is configured to: monitor the control messages transmitted through it, change at least some of the monitored control messages transmitted through it or create spoofed control messages, and automatically set the direction of at least one of the self-configurable asymmetric ports according to the monitored control messages.

Abstract: A transmission relay circuit, a broadcast signal relay method, and a signal detection device are disclosed. Preferably, the transmission relay circuit includes a microcontroller, a broadcast signal sensing and discerning circuit configured for determining the broadcast signal selected from a group consisting of (NTSC, ASI, DS-3, SDI, and HD-SDI signals). The method preferably includes the steps of determining a signal type, directing the signal to an analog broadcast signal processing circuit when the signal is determined to be to be an analog video signal, directing the signal to a digital broadcast signal processing circuit when the signal is either a digital video signal, or a digital video transport signal, and relaying the processed signal to a local loop provider. The detection device preferably includes at least a multi-layer printed circuit board with an isolation/buffer amplifier and terminator, and a signal detection circuit for detecting and determining the broadcast signal type.

Abstract: One of the standards addressed in this specification is the MPEG (Moving Picture Expert Group) Standard. MPEG is a group that sets standards for the compression and the transmission of audio and video information. This standard has found many applications; streaming video, interactive graphics, interactive multimedia, video applications for the web, DVD (Digital Versatile Disc), digital videophone and television broadcasting. YouTube uses MPEG to display video results. Several techniques are described which allow for searching, viewing, and hearing of scaled videos thereby providing an increased video content that offers several advantages over existing systems.

Abstract: A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.

Abstract: A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal. A transmission relay circuit relays the signal from the interface panel to a broadcast network, and preferably including a broadcast signal detection circuit, and a signal processing circuit. The detection circuit determines a signal type of the broadcast signal, and the signal processing circuit processes the determined signal type. The system preferably further includes an operations control station displaying the determined type of broadcast signal.

Abstract: A transmitting device transmits a video signal and an audio signal based on a television broadcasting signal, or a still picture signal and a silence signal as a transmission signal to a receiving device. The receiving device supplies the video signal and the audio signal transmitted from the transmitting device, or a video signal and an audio signal inputted from external equipment to a video and audio output unit. In the receiving device, when the video signal and the audio signal inputted from the external equipment have been supplied to the video and audio output unit, the still picture signal and the silence signal are transmitted from the transmitting device to the receiving device.

Abstract: Information is communicated from a host device to a receiving device via white space. A white space device is interfaced with the host device. The white space device has at least one port configured to communicatively interface with a host device to receive multimedia content from the host device. The white space device also optionally has a television band engine configured to encode a transport stream containing at least a portion of the multimedia content received from the host device. A transmitter is configured to transmit the transport stream via white space.

Abstract: This disclosure relates to techniques for processing feedback associated with data previously transmitted by a communication device. One example communication system comprises one or more processors, a channel identifier, a transmitter, and a data receiver/feedback unit. The channel identifier is operable to identify at least one channel currently available in a digital broadcast spectrum. The transmitter is operable to transmit data via the at least one identified channel of the digital broadcast spectrum, wherein the transmitted data complies with a digital broadcast format. The data receiver/feedback unit is operable to receive a representation of the data and compare at least a portion of the received representation of the data to at least a portion of the transmitted data. The one or more processors are configured to determine whether to adjust a broadcast transmission parameter or a data transformation parameter for use in subsequent data communication based upon the comparison.

Abstract: Television white space devices are operable to communicate information over television white space and, more specifically, to quiet a transmitter for sensing signals in the television white space. A method for inconspicuous quieting of the transmitter in a television white space device inserts, from an application layer, information into a transport stream for transmission by the transmitter of the television white space device to produce a null window of time within the transport stream at a predetermined time. The method also transmits the transport stream by the transmitter of the television white space device and quiets the transmitter during the null window of time. The method senses, by a white space sensor of the television white space device, existing signals in the white space during the null window of time.

Abstract: White space devices are operable to communicate information over white space and, more specifically, to quiet a transmitter to enable sensing signals in the white space. A method for inconspicuous quieting of a transmitter in a white space communication device modifies a transport stream for transmission by the transmitter of the white space device to provide a null window of time. The null window does not contain essential information. At least a portion of the modified transport stream is transmitted by the transmitter of the white space device. The transmitter is quieted during the null window, and white space sensing is performed during the null window.

Abstract: Disclosed herein are systems, methods, and computer-readable storage media for broadcasting signals. The system includes a supplemental antenna at a first location co-located with a main antenna transmitting a main signal. The supplemental antenna is physically separate from a main antenna at the same location and transmits a supplementary signal adjacent to the main signal which matches or corresponds to a remote signal transmitted from an antenna at a remote location. The system transmits the supplemental signal at sufficient power to overcome interference in a coverage hole of the remote signal caused by the main signal. A supplemental antenna co-located with the main antenna can transmit the supplemental signal. The system can receive a supplemental signal that matches a remote signal, pass the supplemental signal through a same power amplifier and filter as a local main signal, and broadcast via an antenna both the main signal and the supplemental signal.

Abstract: A high-quality content generating system provided with a feature amount extracting means for extracting the feature amounts of a plurality of pieces of content therefrom, a content grouping means for performing matching between the feature amounts of the plurality of pieces of content extracted by the feature amount extracting means, grouping the same content included in the plurality of pieces of content and the derived content produced by using the same content, and calculating same/derived content grouping information, and a high-quality content generating means for selecting pieces of content to be grouped by the same/derived content grouping information from the plurality of pieces of content and generating content with higher quality by using the selected content.

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for broadcasting a local signal B that corresponds to a coverage hole in a remote signal B. The system includes a first transmitter at a first location and a second transmitter at the first location that transmits local signal B corresponding to remote signal B transmitted from a remote transmitter. The second transmitter broadcasts the local signal B to at least part of a coverage hole in a coverage area of remote signal B. Also disclosed is a method for consolidating allocated wireless spectrum. The method includes identifying a guard band in an allocated band of wireless spectrum, reassigning an existing channel occupying a portion of the allocated band of wireless spectrum to the guard band via selective single frequency network infill to yield a reassigned channel, and freeing the portion of the allocated band of wireless spectrum.

Abstract: An apparatus for transmission and reception of video signal using power line is provided. The device include a coupler for receiving a high-frequency composite video signal from an external video signal transmitter, a first amplifier, a first low-pass filter, a second amplifier, a second low-pass filter, an FM demodulator, a video amplifier, an analog-digital converter, an image processor, and a universal serial bus (USB) host for processing a video file from the image processor so as to be adapted to be displayed on the personal computer and outputting to a USB port or storing in a memory.

Abstract: A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first reference known data sequence. Similarly, the second known data detector detects a location of a second known data sequence in the broadcast signal by calculating a second correlation value between the broadcast signal and a second reference known data sequence. The selector selects the location information detected by one of the first and second known data detectors with a greater correlation value.

Abstract: A video data processing device configured to send video data to a sink device includes: a log generation unit configured to generate log information; a memory configured to receive from the sink device sink device information indicating a format of video which the sink device can display, and store the received sink device information; a log receiving unit configured to receive log information stored in the sink device; a log comparison unit configured to determine whether or not the log information generated in the log generation unit matches the log information stored in the sink device; and a log sending unit configured to send the log information generated in the log generation unit to the sink device. When the log comparison unit determines that both the log information matches, video data is sent to the sink device based on the sink device information in the memory.

Abstract: A digital broadcast transmitter and a method of processing a DTV signal in the digital broadcast transmitter are disclosed. The digital broadcast transmitter includes a pre-processor, a first multiplexer, a post-processor, and a second multiplexer. The pre-processor includes a first interleaver, a group formatter, and a packer formatter. The first interleaver interleaves symbols corresponding to mobile service data. The group formatter maps data corresponding to the interleaved symbols into at least one region of a data group and adds place holders for main service data and non-systematic RS parity data to the data group. The packet formatter removes the place holders for the main service data and the non-systematic RS parity data, and generates mobile service data packets having data in the data group in which the place holders for the main service data and the non-systematic RS parity data are removed.

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 DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol processor processing each supplemental data symbol outputted from the byte-symbol converter. It encodes one of upper and lower bits of each supplemental data symbol into first and second data bits, post-decodes the first data bit, and outputs the post-decoded data bit and the second data bit as a symbol. The DTV transmitter further includes a symbol-byte converter converting each symbol outputted from the symbol processor into a data byte.

Abstract: Methods, and apparatus for carrying out the methods, are disclosed for synchronizing a plurality of RF transmitters that are supplied with a common digital information signal for carrier modulation and subsequent transmission on a common channel throughout a prescribed region, whereby the digital signal receivers within the region may receive transmissions on the channel from more than one transmitter. The method involves inserting reference signals into the data sent to the transmitters in order to place them into known states at specific times relative to the digital signals sent to them for transmission. As a result of this method, the digital signals transmitted by each of the transmitters will be identical to one another so that the receivers will be able to identify one received signal as the main signal and the others as echoes.

Abstract: A method of transmitting a digital video stream having a plurality of image frames and being characterized by a vertical resolution and a frame rate. A temporal multiplexing operation is applied to the image frames of the video stream in order to generate a compressed video stream having the same vertical resolution and half the frame rate of the video stream. This compressed video stream is then transmitted in lieu of the original video stream. At the receiving end, temporal de-multiplexing and pixel interpolation operations are applied to the frames of the compressed video stream in order to reconstruct the original video stream.

Abstract: A content transmitting device 10 is connected with a content receiving device 40 via any one of a category 1 HDMI cable 30 and a category 2 HDMI cable 30 and is provided with a content transmitting means. The content transmitting means performs: a process to determine a clock frequency of a signal to be outputted such that the clock frequency is equal to or less than a band frequency of the category 1 HDMI cable 30; a process to output, at the clock frequency determined by the first clock frequency determining process, a selection screen for selecting whether to set a transmitting mode corresponding to the category 2 HDMI cable 30; a process to redetermine the clock frequency of a signal to be outputted when receiving information representing that the transmitting mode corresponding to the category 2 HDMI cable 30 is set; and a process to output, at the redetermined clock frequency, a content to the content receiving device.

Abstract: A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel impulse responses (CIR) during known data intervals adjacent to each normal data block. The average calculator calculates an average value of the CIRs. The second transformer converts the average value into frequency domain data. The coefficient calculator calculates equalization coefficients using the average value, and the compensator compensates channel distortion of each normal data block using the coefficients. The third transformer converts the compensated data block into time domain data.

Abstract: In general, this disclosure relates to techniques for transmitting data in a spectrum, and seamlessly switching from one transmission channel to an available channel in the spectrum. One example method comprises identifying, by a device, at least a first channel of a spectrum, transmitting at least one command to a second, different device, wherein the at least one command contains information that allows the second device to determine at least the first identified channel, and transmitting data in at least the first identified channel.

Abstract: A digital television transmitter and a method of coding main and enhanced data in the digital television transmitter are disclosed. In the digital television transmitter, a byte-symbol converter converts main and enhanced data packets into symbols, wherein at least one of the enhanced data packets may include data place holders for known data symbols. A known data generator generates a known data symbol. A symbol processor processes a first symbol outputted from the byte-symbol converter. Herein, the symbol processor may post-decode a first bit of the known data symbol and output the post-decoded bit and an initialization data bit when the first symbol is a symbol representing one of the place holders. A trellis encoder has one or more memories for trellis-encoding a second symbol outputted from the symbol processor, wherein the memories are initialized when the initialization data bit is processed in the trellis encoder.

Abstract: In certain embodiments, a digital television broadcast method involves generating a digital television signal having one or more transport streams; where data in at least one of the one or more transport streams that supports non-real time (NRT) services, where such data comprises an Internet protocol (IP) stream of packets containing NRT content including a FLUTE file description table (FDT), a NRT information table (NRT-IT), and a Service Map Table (SMT); where the NRT-IT contains a content ID that relates the NRT-IT to the FLUTE FDT, and where the SMT contains a service ID that relates the SMT to the NRT-IT table; and outputting the one or more transport streams for broadcast as a digital television signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Abstract: A method and apparatus is disclosed that is capable of transmitting video signals and/or audio signals using the HDMI interface standard or the DisplayPort interface standard. A dual mode transmitter is disclosed that is configurable to transmit to a first sink device, configured in accordance with a HDMI display interface, in a HDMI mode of operation and/or a second sink device, configured in accordance with a DisplayPort display interface, in a DisplayPort mode of operation. The dual mode transmitter is configured to receive a biasing current from the first sink device in the HDMI mode of operation or to internally provide the biasing current in DisplayPort mode of operation by selecting impedances from selectable impedance networks. The dual mode transmitter is configured to transmit the video signals and/or audio signals by biasing one or more transistors using the biasing current.