Abstract: A receiver which includes: a 12-segment broadcast receiving unit configured to receive 12-segment broadcast signals of a predetermined channel among a plurality of channels; an information receiving unit configured to receive channel switching instruction information, transmitted from a portable device that receives 1-segment broadcast signals, for instructing switching to a channel corresponding to a channel currently being viewed on the portable device; and a channel control unit configured to control, on the basis of the channel switching instruction information received by the information receiving unit, switching of a channel that the 12-segment broadcast receiving unit receives.

Abstract: Disclosed is a method of managing an image display apparatus of the present invention. The method includes the steps of: (a) obtaining a first information on a predetermined output image format; (b) obtaining a second information on an input image format and a data broadcasting contents format; (c) comparing the first information on the predetermined output image format with the second information on the input image format and the data broadcasting contents format; (d) controlling output modes of the input image format and the data broadcasting contents format according to the predetermined output image format based on a comparison result of the output image format, the input image and the data broadcasting contents format performed by the comparing unit; and (e) outputting on image display unit the input image and the data broadcasting contents output modes of which are processed.

Abstract: Disclosed herein are an apparatus and a method for automatically setting an external device (100) connected to a digital television (200). The specific region function and user language function are automatically set and controlled in the external device (100) based on data set in the TV using the HDMI CEC protocol. In addition, when a digital versatile disc (DVD) is played, a subtitle is automatically set to the user-set language set in the external device (100). Therefore, there is no need to perform a separate DVD language setting. Furthermore, in the case where a plurality of external devices (HDMI equipment) are connected to the TV in a multi-connection manner, they are automatically set in a CEC operation. Therefore, when a plurality of external devices are installed or released, specific functions do not need to be set one by one for each of the external devices.

Abstract: An image display apparatus and method are disclosed. In the present invention, an input image frame having a first solution is scaled by a scaling module so that a scaled image frame having a second dimension is generated. The scaled image frame is processed by a display device supporting the second dimension. The display device generates display signals corresponding to the scaled image frame and transmits the display signal to a display interface. Accordingly, the display interface can display an output image frame in the second dimension based on the display signals.

Abstract: A pattern matching section compares reference taps supplied by one area extracting section with a reference tap component of a training pair pre-stored in a training-pair storing section, selects a training pair including a reference tap component having highest similarity to the reference taps, and supplies the selected training pair to a normal-equation generating section. Training pairs stored in the training-pair storing section include a SD signal and HD signal. A prediction-coefficient determining section obtains prediction coefficients by solving normal equations generated by the normal-equation generating section. A prediction calculating section produces a HD signal by applying the prediction coefficients to prediction taps extracted by another area extracting section.

Abstract: In one embodiment, a method is provided. The method of this embodiment may include, in response, at least in part, to receipt at a first node of a request issued from a second node to change from one mode of operation to another mode of operation, selecting an amplitude of a signal to be propagated between the first node and the second node during the another mode of operation. The amplitude of the signal may be different from another amplitude of the signal during the one mode of operation. The method of this embodiment also may include, in response, at least in part, to the receipt of the request, selecting a frequency of a clock signal to be supplied in the first node during the another mode of operation. The frequency may be different from another frequency of the clock signal during the one mode of operation.

Abstract: An apparatus such as a television signal receiver employs an efficient and cost-effective signal processing architecture which enables, among other things, the reception and processing of both analog and digital signals from multiple signal sources, such as but not limited to, terrestrial and cable signal sources. According to an exemplary embodiment, the apparatus includes a first tuner operative to generate a first IF signal corresponding to a first RF signal. A first demodulator is operative to generate a first demodulated signal corresponding to the first IF signal. A second tuner is operative to generate a second IF signal corresponding to a second RE signal. A second demodulator is operative to generate a second demodulated signal corresponding to the second IF signal. A third demodulator is operative to generate a third demodulated signal corresponding to one of the first and second IF signals.

Abstract: The present invention provides a TV receiver and an analog TV signal processing method. The TV receiver includes a tuner, an analog-to-digital converter, and a digital filter module. The tuner is utilized to receive an RF signal and generate a first signal; the analog-to-digital converter is coupled to the tuner for converting the first signal to a digital signal, and the digital filter module is coupled to the analog-to-digital converter for filtering the digital signal in order to filter an analog TV signal contained in the RF signal in digital domain.

Abstract: A source format detector for detecting a format of a video signal includes a frequency data generator for generating first frequency data corresponding to a first field in the video signal, and second frequency data corresponding to a second field in the video signal; a transform domain comparator for comparing the first frequency data with the second frequency data to thereby obtain a comparison result; and a detector for detecting the format of the video signal according to comparison results for a plurality of first and second fields.

Abstract: A system for delivering contents automatically has first and second signal-selecting-and-delivering devices each for selecting a contents-signal from the contents-signals each having any of first and second formats of contents-signal and delivering the selected contents-signal having each of the first and second formats. It also has a signal-supplying device that supplies the contents-signals having the first and second formats to the first and second signal-selecting-and-delivering devices, respectively, and a signal-converting device that converts the contents-signal having the first format into the contents-signal having the second format and supplies the converted contents-signal having the second format to the second signal-selecting-and-delivering device.

Abstract: Methods and apparatus for conserving bandwidth within a network based on two or more different service levels. In an exemplary embodiment, programming that is simulcast on two or more program channels is mapped to one physical channel during periods when the programming is scheduled at only one service level (e.g., standard definition), thereby conserving bandwidth on the network that would otherwise be consumed by the simultaneous broadcast on the two or more channels. When the programming service level becomes heterogeneous across the channels (e.g., SD and HD simulcast), physical channel(s) supporting the HD content are provided within a local service area only “on-demand” using, for example, a switched digital channel allocation. Accordingly, no HD broadcast occurs within a given area until at least one user requests it, thereby further conserving network bandwidth.

Abstract: A signal detector for detecting and indicating the duration of a signal pulse by comparing the relative polarities of two voltages generated during the two states of the pulsed signal.

Abstract: An apparatus comprising a tuner module configured to demodulate a first television signal and a second television signal that corresponds to the first television signal; and a controller electronically coupled to the tuner module, the controller configured to compare a value of a first variable to a threshold level, the value of the first variable related to a quality of the first television signal; wherein the controller switches from outputting for display the first television signal to outputting for display the second television signal that corresponds to the first television signal in response to comparing the value of the first variable to the threshold level.

Abstract: An image signal conversion apparatus for converting a SD signal (525i) into a HD signal (525p or the like). In the image signal conversion section, the SD signal is converted into the HD signal, and the image is displayed on the display section. A class code CL indicating a class of a subject pixel of the HD signal is obtained by detecting a space class and a motion class from tap pixel data corresponding to the subject pixel of HD signal which is selectively fetched from a SD signal. The controller loads coefficient data of each class according to the selected resolution into the coefficient memory from the information memory bank when the user selects the resolution. In the calculation circuit pixel data of the subject pixel of the HD signal is calculated using an estimating equation based on the tap data xi corresponding to the subject pixel of the HD signal selectively fetched from the SD signal in the tap selection circuit and the coefficient data read in class code CL from the coefficient memory.

Abstract: The present invention relates to a method of recording still pictures and audio data onto a rewritable recording medium. The present method records still-picture video and audio files of the recording format of a digital till camera under a subdirectory of a DCIM (Digital Camera IMages) directory of DCF (Design rule for Camera File system) and still-picture video and/or audio files of the recording format of a disk video recorder under a subdirectory of a moving-picture directory, creates management information for searching and presentation control of the still-picture video and audio files below the DCIM directory and the still-picture video and/or audio files below the moving-picture directory, and records the created management information under another subdirectory of the moving-picture directory. Thus, efficient and convenient file management is possible through a single recording medium, which results in remarkable improvement of use convenience of a motion picture recorder and a digital still camera.

Abstract: A broadcast receiving apparatus includes an NIM having a digital terrestrial wave processing unit for processing a received broadcast signal as required for digital terrestrial broadcast and a digital cable processing unit for processing a received broadcast signal as required for digital cable broadcast, and a signal acquisition determining circuit for determining whether a received broadcast signal is for digital terrestrial broadcast or digital cable broadcast, based on waveform characteristic of the received broadcast signal. A CPU causes selected one of the digital terrestrial processing unit and the digital cable processing unit of the NIM to execute the signal processing, based on acquisition result information of the signal acquisition determining circuit.

Abstract: A video signal processing apparatus and a video signal processing method are capable of outputting a display having a high picture quality by effectively utilizing an output resolution. A microcomputer controls a shrinkage filter, a memory and an enlargement filter to carry out a resolution conversion process of converting the signal format of a video signal into a selected output signal format depending on the output format setting of a D terminal of the video processing apparatus, and outputs the video signal.

Abstract: A digital broadcasting method and apparatus providing digital broadcast signals based on different broadcasting standards to the audiences. The digital broadcasting apparatus includes a plurality of tuners which can receive the broadcast signals based on the different broadcasting standards. A data broadcast signal based on one broadcasting standard is received through one of the tuners and displayed. In a state that a data broadcast signal based on one broadcasting standard is being displayed, the data broadcast signal being displayed is replaced with the data broadcast signal based on the different broadcasting standard in response to the audience's request. Accordingly, the audiences can view the desired data broadcast signal without regard to the broadcasting standards.

Abstract: A video signal mode detector for automatically detecting and indicating the type of video signal being received in terms of its video signal characteristics, including horizontal line count and progressive or interlaced scanning.

Abstract: A system and method for displaying frames with dynamically changing display parameters is described herein. The display engine stores new display parameters detected by the decoder in one buffer of a ping pong buffer, while continuing to use another set of display parameters stored in the other ping pong buffer. The display engine switches the buffers when the first frame for which the new display parameters are applicable is to be presented.

Abstract: A worldwide television tuning system is configurable to the television standards and channel frequencies of multiple different countries based on a country's ITU long-distance country code. The tuning system maintains a country code table listing a plurality of countries according to their ITU codes. The tuning system also maintains multiple channel-to-frequency mapping tables that correlate channel numbers to corresponding frequencies for associated countries in the country table. The country table indexes the channel-to-frequency mapping tables. During configuration, a user or application selects a particular country by passing in the ITU code. The tuning system uses the ITU code to locate an entry for that country in the country code table. The table entry contains an index to an associated channel-to-frequency mapping table for the selected country. The tuning system loads and saves the channel-to-frequency mapping table for subsequent use.

Abstract: A signal processor generates signals to reproduce video and audio from a received encoded digital signal. The signal processor includes: a first decoder for separating a first video signal and a first audio signal from a digital signal; a second decoder for separating a second video signal and a second audio signal from a digital signal; a video controller, which receives the first and second video signals, subjects a selected video signal to video processing; a clock generator for generating a clock signal of which the frequency corresponds to that of the first audio signal; an audio processor, which receives the second audio signal and the clock signal and converts the frequency of the second audio signal into that of the first audio signal; and an audio switch which outputs one of the two audio signals that is associated with the video signal being selected by the video controller.

Abstract: The present invention relates to a signal processing apparatus and method, a recording medium, and a program, in which a more preferable class can be easily selected. A region extracting unit 151 extracts a class tap from an input composite video signal, and pattern detecting units 152 to 154 detect patterns for classes by using different predetermined methods. A class-code determining unit 155 determines a class based on information from an evaluation table 156, and a coefficient memory 157 supplies a predictive coefficient corresponding to the class to a predictive computing unit 159. The predictive computing unit 159 performs predictive computing based on a predictive tap supplied from a region extracting unit 158 and the predictive coefficient supplied from the coefficient memory 157, so that a component Y signal is generated and is output therefrom. The present invention can be applied to a television receiver.

Abstract: According to one embodiment, a television receiver comprises a reception unit configured to receive, from each of external instruments connected to a television receiver, standard information indicating whether or not the external instrument meets interdependent controllability standards and instrument type information specifying the type of the external instrument, a recording unit configured to record the standard information and the instrument type information, in association with each of the external instruments, a display unit configured to display video information from any of the external instruments, and a control unit configured to, when a selection unit selects a particular one of the external instruments, controllably display video information from the particular external instrument on the display unit using a preset first video adjustment value and a preset first screen adjustment value.

Abstract: An analog/digital-compatible front-end module comprises a high frequency amplifier 9 for amplifying a high frequency signal received by an antenna 1; a frequency converter circuit 11 for frequency-converting an output signal from the high frequency amplifier 9 to output an intermediate frequency signal; an analog demodulator 5; a digital demodulator 6; an analog/digital switch 4 for selectively feeding an output signal from the frequency converter circuit 11 to the analog demodulator 5 or to the digital demodulator 6; and an AGC signal switch 7 for controlling gain of the high frequency amplifier 9 in accordance with a gain control signal obtained from the analog demodulator 5 during an analog broadcast reception, while controlling gain of the high frequency amplifier 9 in accordance with a gain control signal produced from the output signal from the frequency converter circuit 11 during a digital broadcast reception.

Abstract: Methods and systems for processing television signals are disclosed herein, and may comprise communicating analog and digital intermediate frequency (IF) signals via a single processing path that couples a TV radio frequency (RF) tuner to an IF demodulator and/or to a decoder, that processes said analog and digital IF signals. The analog and digital IF signals may be filtered via a surface acoustic wave (SAW) filter, for example. The filtered analog and digital IF signals may be amplified. The amplified filtered analog and digital IF signals may be received. The amplified filtered analog and digital IF signals may be IF demodulated by the IF demodulator to generate an IF demodulated output signal. An audio portion of the IF demodulated output signal may be decoded via a BTSC decoder, for example.

Abstract: An output pipeline for a video processing device provides supersampling of the output data the digital domain to eliminate or reduce unwanted frequency components in an analog output signal. An encoder converts a pixel stream to digital sample values for a target analog signal at a base sampling rate. The base data stream is supersampled, and the supersampled data is provided to a digital to analog converter The supersampling rate can be selected so as to provide substantial attenuation of a higher frequency echo in the analog output signal.

Abstract: An apparatus for displaying video signals includes an input source to receive video signals having different frame frequencies and provide an input video signal from among the received video signals, a frame frequency detector to detect, as a first frame frequency, the frame frequency of the input video signal, a determiner to determine a second frame frequency according to the first frame frequency and provide a frame frequency conversion rate, the second frame frequency being higher than the first frame frequency, an interpolation frame generator to generate interpolation frames according to the frame frequency conversion rate, and a frame frequency converter to convert the input video signal into a video signal having the second frame frequency by interpolating the generated interpolation frames between original frames of the input video signal.

Abstract: A data broadcasting system is provided which is capable of achieving display intended and desired by a provider of data broadcasting contents. The data broadcasting system includes a transmitting system and a receiver. The transmitting system includes an HD (High Definition)/SD (Standard Definition) converting section to convert HDTV (High Definition Television) data contents into data contents having a resolution applicable to an SDTV (Standard Definition Television) monitor to obtain SDTV data contents and a multiplexing section to multiplex the SDTV data contents, HDTV video contents, and HDTV data contents.

Abstract: A single electronic device is disclosed that splits a transport stream in order to simultaneously produce NTSC and ATSC standard outputs with the same video and audio content so that the same content can be viewed side-by-side on a standard definition NTSC television and an ATSC digital HDTV set at the same time.

Abstract: Disclosed plasma display device includes a plurality of electrodes, drivers, a plurality of discharge cells and a controller which detects the frequency of an input video signal, determines whether the frequency is changed compared to that of a previous input video signal, and determines whether or not applying a control waveform to the plasma display device. Disclosed driving method concerns resetting discharge cells during a predetermined time period. In the driving method for the plasma display panel by a plurality of subfields divided from a frame, the frequency of a video signal input for a frame is detected, a frequency change is determined from the detected frequency, and a plurality of discharge cells are reset for a predetermined period before the frame starts transmitting when the frequency is changed.

Abstract: Provided are an apparatus for automatically detecting broadcasting signals and a method of the same to conveniently detect the broadcasting system of the broadcasting signals. The apparatus includes a frequency detection unit detecting a color sub-carrier frequency of the broadcasting signals, a synchronous signal separation unit separating a horizontal synchronous signal of the broadcasting signals, and a control unit determining a type of broadcasting system of the broadcasting signals using the color sub-carrier frequency and the horizontal synchronous signal.

Abstract: Providing accelerated video processing in a communication device may comprise receiving video data from a video source on a chip, determining a first format for at least a portion of the received video data, and determining a second format of at least a remaining portion of the received video data. At least a portion of the received video data having the first format may be routed to a first device for processing and at least a remaining portion of the received video data having the second format may be routed to a second device for processing. The portion of the received video data with the first format may comprise RGB format, while the remaining portion of the received video data with the second format comprises YUV format. The received video data comprises images with alternating video formats, which are accordingly routed to the first or second device for processing.

Abstract: An apparatus to improve an image sharpness and a method thereof which can improve the image sharpness of an image through an adaptive operation of the apparatus according to resolutions of input/output video signals and an emphasis of edge portions of the image.

Abstract: Various embodiments are described herein for a universal television receiver that is capable of processing a television channel signal to provide phase-adjusted video information for the desired television channel signal.

Abstract: An apparatus for automatically determining a TV standard of a TV channel comprises a frequency identification module and a determination module. The frequency identification module identifies a carrier frequency of an audio IF signal of the TV channel to generate a frequency identification result. The determination module, which coupled to the frequency identification module, determines the TV standard of the TV channel according to the frequency identification result.

Abstract: An image display apparatus that detects a picture defect and shifts an image region to eliminate the picture defect. The image display apparatus includes a memory unit that temporarily stores an input image signal, a memory control unit that controls a readout start address for the memory unit, a display unit to which the image signal read out of the memory unit is supplied, a detection unit that detects an aspect ratio of the input image signal, and an address control signal generation unit which receives an output from detection unit and generates a readout start address control signal for the memory unit.

Abstract: An apparatus for generating an OSD in a digital TV is provided, which comprises an OSD generator for generating an OSD associated with a digital broadcast received through a digital tuner and an OSD associated with an analog broadcast received through an analog tuner, and a controller for controlling the OSD generator according to a user command requesting that the OSD be displayed. The OSD associated with the analog broadcast and the OSD associated with the digital broadcast are processed in an image processor in an integrated manner under the control of the controller for controlling the OSD generator, thereby preventing degradation of the image quality of the OSD associated with the digital broadcast.

Abstract: A method for processing video signals for a video signal processing apparatus is provided which is capable of processing and displaying a plurality of video signals through different paths. The method includes the steps of standardizing the respective video signals being processed through the different paths, and performing a white balance adjustment on the basis of a specified one of the plurality of video signals.

Abstract: A video signal output apparatus is provided. Video format information that can be displayed on a video display apparatus is detected by an I/O unit from an input data. A comparing unit compares the detected video formats with video formats that can be converted by a converting unit, and then common video formats are set as selectable video formats and output as menu video. A user sees the menu video and selects a video format. Simultaneously with the converted digital video data, video format information is also inserted into the output data and then outputted. Accordingly, the video display apparatus switches the video format of the screen. The user can select a most suitable video format from the menu screen by only connecting the apparatuses, and then the video format of the video display image apparatus is also switched automatically.

Abstract: A TV signal reception system is configured to include adjustable components and a controller to provide instructions to adjust the adjustable components. By pre-arranging configurations corresponding to multiple variants of world wide TV standards, the TV signal reception system may avoid the hardware costs of accomplishing the reception of multiple standards of with parallel hardware for each standard and/or variant.

Abstract: A switching system capable of reducing the noise of the output signal is provided. The switching system includes a first switch and a second switch, wherein the first switch conducts a first signal according to a first control signal; the second switch conducts a second signal according to a second control signal. And the voltages of the first control signal and the second control signal are restricted within a voltage interval to reduce the noise produced during the switching of the switches.

Abstract: A video controller may include at least one video input port which may be programmably configured to receive either RGB or non-RGB color space signals. The video controller may programmably operate in either an RGB or non-RGB mode. In this way, the number of color space conversions may be reduced in some embodiments. For example, where a television output device is coupled to the video controller, the video controller may provide a non-RGB output signal.

Abstract: The procedure of the invention acquires a maximum RB value, which is a largest value of an R signal component and a B signal component, on the assumption that the signal format of an input video signal is an RGB signal, and obtains an RGB probability corresponding to a degree of largeness of the maximum RB value. The procedure also acquires a minimum color difference value, which is a smallest value of a color difference signal component, on the assumption that the signal format of the input video signal is a Y/color difference signal, and obtains a color difference probability corresponding to a degree of smallness of the minimum color difference value. The procedure compares the RGB probability with the color difference probability and thereby determines whether the signal format of the input video signal is the RGB signal or the Y/color difference signal. This arrangement effectively enhances the haccuracy of discrimination between the RGB signal and the Y/color difference signal.

Abstract: A video displayer that facilitates resetting of channel and external input settings includes a tuner configured to select a broadcast signal; an external signal input unit configured to receive an external signal; a signal processing unit configured to process one of the broadcast signal selected and external signal, and to reproduce video images on a display and audio output through a speaker; and a control unit configured to sequentially store setting data for setting environments of said tuner, said external signal input unit, and said signal processing unit according to an externally applied control signal, and to set the setting environment of at least one of said tuner, said external signal input unit, and said signal processing unit with one of previous setting data and subsequent setting data based on any one data set of the setting data in response to a state changing signal applied from an external source.

Abstract: A television tuner comprises a tunable bandpass filter (4) for selecting a desired input channel with an image canceling capacitor (C8) for rejecting the image frequency of the desired input channel. In order to avoid the necessity of different printed circuit boards for NTSC-type television tuners and for PAL-type television tuners, the image canceling capacitor (C8) is made of first (8) and second (10) traces of the printed circuit board while a third trace (13) is connected to the second trace (10) by a jumper (15) only in case of a PAL-type tuner.

Abstract: The present invention provides a method and apparatus for processing a received television signal comprising one of a first type of television signal and a second type of television signal. Specifically, the method comprises amplifying the received television signal in response to a control signal. If the received television signal comprises the first type of television signal, the RF amplifier gain is reduced when the received television signal exceeds a first signal level. If the received television signal comprises the second type of television signal, the RF amplifier gain is reduced when the received television signal exceeds a second signal level. The second signal level is greater than the first signal level. A concomitant apparatus is also provided. As the first signal level is lower for the first type of television signal, reception of the first type of television signal is improved.

Abstract: A system and method for displaying frames with dynamically changing display parameters is described herein. The display engine stores new display parameters detected by the decoder in one buffer of a ping pong buffer, while continuing to use another set of display parameters stored in the other ping pong buffer. The display engine switches the buffers when the first frame for which the new display parameters are applicable is to be presented.

Abstract: A method and an apparatus for an integrated high definition television controller are described. The integrated high definition digital television controller includes two or more the following functions in a single chip: MPEG2 Transport, Audio and Video Decoders, Video input capture and converter, flexible video scan rate converter, de-interlace processor, display controller and video D/A converters, graphics controller, a unified local bus, N-plane alpha blending, a warping engine, audio digital signal processor, disk drive interface, peripheral bus interfaces, such as PCI bus and local bus interfaces, various I/O peripherals, a bus bridge with a partitioned chip, and a CPU with caches. The integrated controller, in one embodiment, is designed to handle multiple television standards (for example ATSC, ARIB, DVB, AES, SMPTE, ITU) and designed to be deployed in various countries in the world.

Abstract: At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of the first data stream are assigned. Also, data of the second data stream are assigned to the signal points of each signal point group. A difference in the transmission error rate between first and second data streams is developed by shifting the siganl points to other positions in the space diagram expressed at least in the polar coordinate system. At the receiver side, the first and/or second data streams can be reconstructed from a received signal. In TV broadcast service, a TV signal is divided by a transmitter into low and high frequency band components which are designated as first and second data streams respectively.