Abstract: An apparatus and a method for controlling video/audio modes in a video/audio outputting apparatus is provided, in which the audio mode is automatically set in relation to the video mode selected by the user. A judgment is made whether an inputted working command code is a video mode code or an audio mode code. If the working command code thus judged is a video mode code, then it is judged whether it is a custom mode, a standard mode, a movie mode, a dynamic mode or a mild mode. Then a value is set to the video mode code thus judged, and at the same time, a value is set to the audio mode. Meanwhile, if the working command code thus judged is a an audio mode code, then it is judged as to whether it is a custom mode, a standard mode, a movie mode, a music mode or a soft mode. Then a value is set to the audio mode code thus judged.

Abstract: An apparatus for automatically switching broadcasting systems and controlling method thereof controls switching between an NTSC system and a PAL-M system according to the detected number of color killer signals. A stabilized broadcasting system is set to either the NTSC system or the PAL-M system when the broadcasting system is switched between the PAL-M system and the NTSC system by more than the predetermined times in the broadcasting signal receiving system capable of receiving both NTSC broadcasting system and PAL-M broadcasting system to provide a high picture quality images.

Abstract: A method and arrangement for monitoring the audio portion of a broadcast signal includes a keyword listening device. A relatively limited set of keywords are stored in a memory and the keyword listening device monitors the broadcast signal for any of these keywords. Upon recognition of any one or more of the keywords, the broadcast audio signal is recorded for a period of time and then fully analyzed. After analysis, and in dependence upon the recorded and analyzed broadcast audio signal, a number of different functions, such as connection to an external network at a specified address, or control of a video cassette recorder, may be performed.

Abstract: A receiver system automatically adaptively tunes to broadcast signals that are variable in the number of channels that are transmitted, their signal coding type and their modulation format. A system receives a digital bitstream representing video information encoded in one of a plurality of different formats, and transmitted on one of a plurality of transmission channels. The system includes a processor for identifying and capturing program guide information including a plurality of channel maps. A channel map associates a transmission channel with a video channel output and the channel map is also associated with an encoding format. The system also includes an adaptive decoder for decoding the bitstream to provide the video channel output in response to the program guide information.

Abstract: A data transmission system etc. which can transmit and receive a signal of a serial data interface (SDI) system and a signal of a serial digital data interface (SDDI) system mixed on the same transmission path. A serial to parallel conversion circuit receives a transmission signal and converts the same to a reception signal of a 10-bit parallel format. A packet classification data detection circuit detects the transmission packet from the reception signal and detects the content of the positions of separation codes SAV and EAV of the transmission packet. An FIFO performs buffering so that the beginning of the transmission packet will not be cut off. A selector circuit separates the SDI data and the SDDI data under the control of a control circuit in accordance with the contents of the SAV and EAV of the transmission packet and outputs the same.

Abstract: An image processing apparatus capable of producing a multi-image from images based on different video signal standards. A first switch selects a video signal which has been subjected to input processing by an input processing circuit, and a second switch selects a synchronizing signal separated from the input processing circuit. The output of the first switch is applied to an image memory via a low-pass filter and an analog-to-digital converter. A reduction control circuit outputs to a memory control circuit a horizontal/vertical enable signal at a timing based on a reduction ratio k (0<k.ltoreq.1) received from a CPU in accordance with the synchronizing signal received from the second switch. The memory control circuit controls the write to the image memory according to the synchronizing signal received from the second switch and the enable signal received from the reduction control circuit and it also controls a write address in accordance with storing coordinate information received from the CPU.

Abstract: A synchronizing frequency of red (R), green (G) and blue (B) video signals is detected by a frequency detector. The resolution of the RGB video signals is calculated by a calculator. When the resolution of the RGB video signals is close to the resolution of a cathode-ray-tube (CRT), a high level signal is generated as a control signal from a control signal generator. When the high level signal is generated from the generator, the video bandwidth of the RGB video signals is limited by a video bandwidth limiting circuit to adapt the RGB video signal to characteristics of the CRT.

Abstract: In a receiver having both an analog video service mode and a digital video mode, when the analog video mode is selected according to a mode selection signal indicating that a television channel is for the analog video mode or the digital video mode, a large-capacity memory used for the digital video-decoding may also be used as a frame memory for Y/C separation and post-processing, for enhancing picture quality, improving the efficiency of the memory and reducing the cost of a system.

Abstract: According to the signal processing method of the invention, control data is previously generated by using the name of a control signal included in an object signal, and then, the object signal including the control signal is input. The name of the control signal in the control data is substituted with the content of the control signal included in the object signal, and then the object signal is processed by a signal processing unit by using the control data including the content of the control signal. Therefore, the signal processing unit can change the processing to be performed on the object signal in accordance with the content of the control signal included in the object signal.

Abstract: During a period of transition from broadcasting analog TV signals to broadcasting digital TV signals, digital TV reception is susceptible to disruption owing to co-channel interference by analog TV signals. During this same transition period usually a digital TV receiver will incorporate an auxiliary analog TV receiver. This auxiliary analog TV receiver is advantageously used during digital TV signal reception for determining the amount of co-channel interference by analog TV signals, so that comb filtering can be selectively applied to symbol coding recovered from the digital TV signal, for suppressing artifacts of co-channel interfering analog TV signal when they are large enough to have substantial adverse on symbol decoding. The amount of NTSC co-channel interference is estimated by detecting the level of intercarrier generated by mixing the audio and video signals of the analog TV signal.

Abstract: A video signal interface system for displaying video signals from various sources utilizing a deductive control technique for processing a video signal in response to measured characteristics associated the video signal. The measured characteristics are compared to stored characteristics associated with known video sources and to stored characteristics associated with previously processed video sources in order to obtain stored tuning settings associated with the respective video source. In the event that the measured characteristics do not match any of the stored characteristics, the measured characteristics are stored in memory to identify the new video source. The tuning settings in association with each video source are user adjustable.

Abstract: An aspect ratio converter converts the input aspect ratio of an input video signal to an output aspect ratio. The input video signal contains partial area information representing a portion of the input video signal which constitutes substantially all of the video picture with the desired output aspect ratio. The input video signal is stored in an addressable memory and is read out from those addresses corresponding to the partial area of the input video signal.

Abstract: A signal processing apparatus has a clock generator that generates a clock in accordance with the rate at which picture elements are scanned. The clock generator includes a first frequency divider for dividing the output frequency of a voltage-controlled oscillator for generating the clock, a second frequency divider for dividing the output frequency of a reference frequency oscillator, a phase comparator for comparing phases between the outputs of the first and second frequency dividers, means for applying the output of the phase comparator to the reference frequency oscillator as a control signal, and a third frequency divider for performing voltage division on the output of the voltage-controlled oscillator to obtain the clock. The clock obtained has a frequency determined as: ##EQU1## where M, N, and P represent the frequency-division ratios of the first, second, and third frequency dividers, respectively, and f.sub.x represents the reference frequency.

Abstract: A system for switching video of two different standards that uses a single crosspoint matrix and a single local controller coupled to two memory blocks for storage of crosspoint selection data. The crosspoint selection data is written to the crosspoint matrix according to the video reference signals that correspond to the crosspoint selection data to be written. Switching of the crosspoints then occurs according to the video reference signal corresponding to the crosspoints to be switched.

Abstract: An Electronic Program Guide (EPG) system is disclosed which accommodates a mix of high definition television (HDTV) and standard definition television (SDTV) EPG display formats. Viewers can toggle from cell to cell of an EPG display using a navigation system such as a remote control highlighting programs of interest. Channels which show a mix of HDTV and SDTV programming have the cells of the grid remain separate for the time period of SDTV programming but join those cells into a single cell when an HDTV program is to be aired.

Abstract: The present invention provides an image display apparatus equipped with a common terminal section 10 to which a single-density signal and a double-density signal each having different horizontal scanning frequencies to each other are commonly connected. The single-density and double-density signals are selectively inputted to the single-density signal processing circuit 5 or the double-density signal processing circuit 6 by a switching operation of a switch 11. A synch-signal separation circuit 13 separates a synchronous signal carrying the horizontal scanning frequency from the signal inputted to the common terminal section 10. An fV-conversion circuit 14 converts a horizontal scanning frequency of the synchronous signal into a voltage. A frequency discrimination circuit 15 detects the horizontal scanning frequency and memorize it in a look-up table of a memory device 16.

Abstract: A device for controlling an aspect ratio in a TV-computer integrated wide screen receiver, includes an input signal select switch for selecting a television signal double-scanned or a computer monitor signal of a VGA mode, a gain controller for controlling a gain of the signal which is selected by the select switch, a clamp circuit for clamping the signal controlled by the gain controller, an analog/digital converter for converting the signal clamped by the clamp circuit, an aspect ratio conversion device for horizontally and vertically converting the digital signal sampled by the analog/digital converter; and a phase-locked loop connected to the analog/digital converter and the aspect ratio conversion device, for correcting an image distortion by controlling a converting clock speed.

Abstract: A television receiver is disclosed which is designed to display two types of input picture signals, for example, an NTSC signal and a VGA signal on at least two display areas of one image screen simultaneously. The television receiver includes an auxiliary coil and a switching circuit. The auxiliary coil is operable in first and second operation modes. The first operation mode is such that an electron beam is scanned in sequence along the scanning lines to reproduce the VGA signal having a horizontal scanning frequency of substantially twice that of the NTSC input signal, while the second operation mode is such that the scanning line intervals are controlled so as to scan the electron beam two times along the same scanning line to reproduce the consecutive two of line signals of the frequency-converted NTSC signal which are formed by the same portion of the NTSC input signal.

Abstract: Signal processing apparatus comprises a control read only memory storing:(i) two or more sets of signal processing parameter data to control signal processing operations of the apparatus; and(ii) configuration data specifying one of the sets of signal processing parameter data stored in the control read only memory;a control read/write memory capable of storing:(i) at least one set of signal processing parameter data; and(ii) configuration data capable of specifying a set of signal processing parameter data stored in the control read only memory or a set of signal processing parameter data stored in the control read/write memory;and control logic, responsive to an input selection signal specifying whether the configuration data in the control read only memory or the configuration data in the read/write memory should be selected for use, for controlling the signal processing apparatus to perform signal processing operations in accordance with the signal processing parameter data specified by the selected confi

Abstract: A method for detecting when a digital television signal is accompanied by co-channel interfering NTSC signal of substantial amplitude is described for use in a digital television receiver. The video portion of any co-channel interfering NTSC signal is synchrodyned to baseband, for generating an in-phase demodulation result including first artifacts of the digital television signal, and for generating a quadrature-phase demodulation result including second artifacts of the digital television signal. The quadrature-phase demodulation results are phase shifted by 90.degree. at frequencies in a prescribed frequency range before being linearly combined with the in-phase quadrature-phase demodulation results, to generate a linear combining result substantially free of the first and second artifacts of the digital television signal in the prescribed frequency range.

Abstract: A decoding apparatus decodes video data coded at a main level or a low level, by using a hardware system adapted for a high level or a high-1440 level according to the MPEG-2 recommendation. The decoding apparatus can decode a greater amount of the video data which has been coded at a level lower than the high level or the high-1440 level, during an interval of time of decoding the data of the high level or the high-1440 level. The decoding apparatus includes a bit buffer memory for storing, by each channel, the video data of a plurality of channels coded at a low level or a main level in a syntactic structure which has been defined by the MPEG-2.

Abstract: To provide a parallel processor apparatus which can perform processing with a good efficiency on signals comprised of data of different lengths. A parallel processor configured by a serial connection of a first parallel processor and a second parallel processor having n number of individual processors and (m-n) number of individual processors. For signals comprised of data of a length, serving as the unit of processing, of m or less and n or more, these parallel processors are connected and used as a single parallel processor apparatus which performs processing equivalent to that by a conventional parallel processor apparatus. For signals comprised of data of a length of n or less, these parallel processors are independently used to perform pipeline processing and thereby perform two times the amount of processing of that performed by a conventional parallel processor apparatus.

Abstract: A television receiver includes a picture-display-region discriminating means for discriminating whether or not any picture is displayed on a specific region on a screen of the television receiver, by utilizing a luminance signal of a composite video signal which is received by the television receiver and corresponds to the specific region. A signal in a frequency band which is unnecessary for the video signal is eliminated, and then it is discriminated whether or not any picture is displayed on the specific region, by utilizing the luminance signal and a carrier chrominance signal contained in the video signal.

Abstract: A television set includes an integrated receiver decoder. By integrating the receiver/decoder with the television, some circuitry and memory are shared. Moreover, a digital video signal provided by the receiver/decoder need not be converted to an analog NTSC signal before transmission to the television CRT. In one embodiment, where a television having a 16.times.9 aspect ratio is used, on-screen display data is displayed without distortion.

Abstract: An adaptive trellis decoder seamlessly switches between multiple operational modes. The decoder switches between multiple modes and accommodates data type transitions using a single state transition trellis with a predetermined number of states. The system decodes trellis encoded video data encoded in different formats respectively containing different numbers of levels associated with different modes. The decoder system adaptively operates in response to a configuration signal distinguishing between the modes, and employs a state transition trellis with the same number of trellis decoding states for decoding encoded data of different formats. The state transition decoding trellis may also be reset to a predetermined state in response to a synchronization signal generated as a result of a transition from one type of data to another or in response to a mode change.

Abstract: A multi-system video signal demodulating apparatus includes at least a color signal processing unit and a color discriminating function for demodulating a component video signal from video signals of two or more different systems. The multi-system video signal demodulating apparatus includes a detector for detecting continuity between vertical synchronizing signals of the input video signals. The color discriminating function is executed when the detector detects a discontinuity between the vertical synchronizing signals. The continuity between the vertical synchronizing signals of the input video signals is detected. The color discriminating function is executed when a discontinuity between the vertical synchronizing signals is detected during continuity detection. A synchronizing signal of an input video signal is discriminated. A frequency of a color burst signal is discriminated based on a result of the synchronizing signal discrimination.

Abstract: The invention is related to a method and circuit arrangement for processing a received signal in a variable symbol rate system, such as a digital television system. In the method and arrangement according to the system, a received signal is sampled at a fixed sampling frequency (f.sub.f) that is higher than the symbol frequency of any one of the received signals. The resulting sample sequence is converted to another sample sequence the sampling frequency of which equals the symbol frequency (f.sub.i) of the received signal or its integer multiple. Then the samples are filtered (8) and signal value decisions are made (9) for the filtered samples. Conversion of the sampling frequency is advantageously performed using a so-called modified Farrow-type fractional delay filter (6) which is controlled using a control signal proportional to the delay of each sample.

Abstract: A display apparatus capable of receiving and displaying video signals which differ in scanning frequencies or resolutions. The display apparatus includes an input section for receiving at least one video signal and a conversion unit for converting at least one of the frequency and resolution of the at least one received video signal so as to be within predetermined higher ranges thereof. A display unit enables display of the converted received at least one video signal.

Abstract: There is provided a television system wherein a plurality of VTRs are connected to a television set so that they are capable of the recording, display and the like of a channel which is not incorporated in a given VTR using one of tuners in the other VTRs and a or the television set. A table listing the tuners and channels incorporated in the television set and VTRs connected thereto is created, and the switching, recording and display of a channel of the television set is performed based on the table. By mapping channels which can be actually used, the usable channels can be quickly selected and picked up.

Abstract: During a period of transition from broadcasting analog TV signals to broadcasting digital TV signals, digital TV reception is susceptible to disruption owing to co-channel interference by analog TV signals. During this same transition period usually a digital TV receiver will incorporate an auxiliary analog TV receiver. This auxiliary analog TV receiver is advantageously used during digital TV signal reception for determining the amount of co-channel interference by analog TV signals, so that comb filtering can be selectively applied to symbol coding recovered from the digital TV signal, for suppressing artifacts of co-channel interfering analog TV signal when they are large enough to have substantial adverse on symbol decoding. The amount of co-channel interference is estimated from synchronously detected analog TV signal.

Abstract: An improved system for the integration of off-air and satellite TV tuners in a direct broadcast system, comprising a source of an RF television signal, a TV tuner coupled to the RF signal source for demodulating the RF signal and producing baseband video and audio signals, a satellite antenna for receiving a data stream including direct broadcast satellite signals, a direct broadcast satellite tuner coupled to the satellite antenna for converting and demodulating the incoming signals to video and audio baseband output signals. An electronic program guide is included as part of the data stream received along with the direct broadcast satellite signals. A microprocessor is coupled to the direct broadcast satellite tuner for conditioning the electronic program guide.

Abstract: A video signal receiver with reduced sensitivity to interference from co-channel digital TV signals includes circuitry for selecting a vestigial sideband amplitude-modulation signal descriptive of a video signal, converting the selected VSB AM signal to an intermediate frequency signal, and amplifying the IF signal to provide an amplified IF signal. The VSB AM signal is selected from any single one of a plurality of channels which can contain co-channel interference from a digital television signal. The amplified IF signal is synchronously detected with respect to video carrier frequency for generating an in-phase synchronous detection response and for generating a quadrature-phase synchronous detection response. All frequency components of the quadrature-phase synchronous detection response above a prescribed frequency are phase shifted substantially 90.degree.

Abstract: The automatic-discriminating apparatus is constituted by functional blocks such as a killer circuit, an APC circuit, a switch, and an automatic discrimination control circuit. The switch connects one of crystal oscillators to a VCO of the APC circuit by a control signal from the automatic discrimination control circuit. The automatic discrimination control circuit divides one vertical scanning period into predetermined sections. When receiving a killer signal indicating the OFF state from the killer circuit at the predetermined sections even one time, it outputs a control signal holding the connection state thereof to the switch, and holds the APC circuit in the locking state. When receiving a killer signal indicating the ON state at the divided predetermined sections a predetermined number of times, it outputs a control signal connecting the other crystal oscillator through the VCO to the switch.

Abstract: A method of behavior modification involves having a patient view supraliminal video messages superimposed upon an underlying video presentation. The video messages incorporate messages wherein at least some of the messages link a desired modified behavior to positive feelings of the patient. A supraliminal message generator and superimposer iteratively selects individual messages for display from the sequence of messages, decompressing the messages as required, and places the selected messages in a buffer memory of a video generation device. A processor of the supraliminal message generator and superimposer then fades the selected message from an invisible level to a visible level on the video display, and then fades the selected message from the visible level back to the invisible level.

Abstract: A system is provided to enhance the capability of a display system which format digital images of different types from multiple input data streams for a high-resolution screen of arbitrary shape and size, with the display system adapted to receive independent data streams from different data sources at the same time and control how and where the images from the data streams are presented on the screen in a type-independent manner. The screen layout is controlled by an active screen format that specifies which data streams are to be received, where on the screen to present the images and how to present the images. Type-independent data formatting is accomplished by choosing the preprocessing handler/transformation handler pair suitable for the type of a data stream and activating the handlers so that they restore images from the data stream and transform them to fit on the preallocated portion of the screen on the fly.

Abstract: A coprocessor is incorporated in a processor comprising a CPU, an instruction cache, a data memory, a bus controller, an interruption control section and a DMA controller. This coprocessor has a parallel sum-of-products arithmetic operation section, a comparator, an I/O register section, and a sum-of-products factor register section. A frame memory, provided on the input side, stores MUSE or NTSC signals digitized per pixel. The DMA is in control of the transfer of data between the input-side frame memory and the data memory as well as the transfer of data between a frame memory provided on the output side and the data memory. Pixel data stored in the data memory is processed according to broadcasting systems by the switching of sum-of-products factors on the basis of software.

Abstract: A coprocessor is incorporated in a processor comprising a CPU, an instruction cache, a data memory, a bus controller, an interruption control section and a DMA controller. This coprocessor has a parallel sum-of-products arithmetic operation section, a comparator, an I/O register section, and a sum-of-products factor register section. A frame memory, provided on the input side, stores MUSE or NTSC signals digitized per pixel. The DMA is in control of the transfer of data between the input-side frame memory and the data memory as well as the transfer of data between a frame memory provided on the output side and the data memory. Pixel data stored in the data memory is processed according to broadcasting systems by the switching of sum-of-products factors on the basis of software.

Abstract: In order to establish connections of plural arithmetic units capable of performing basic functions such as filtering in various connection ways, a bus switch is provided which has a plurality of input data lines connected with output terminals of the arithmetic units, at least one external input data line, a plurality of output data lines connected with input terminals of the arithmetic units, and at least one external output data line. In addition, two register sets are provided which hold arithmetic control information designating contents of processes to be performed by the arithmetic units and connection control information designating connection ways within the bus switch. Depending on the broadcasting system, information held by one of the register sets and information held by the other are updated, and, according to a process algorithm, either one of the two register sets is selected.

Abstract: The graphic board can be mounted inside the expansion slot of the computer, and the frequencies of the horizontal synchronizing signal and the vertical synchronizing signal can be preset finely through presetting the values on the registers from the computer side.At the start of display, the display is carried out in synchronizing frequencies corresponding to the original 640 dots by 400 lines display of the CRT display device (step S100) Then, the synchronizing frequencies are increased gradually to the target values corresponding to the 640 dots by 480 lines display (steps S120 through S140). During this time, the CRT display device will continue synchronization against fluctuation of the frequency within an allowable range with the operation of an internal synchronization circuit. Consequently, the CRT display device can maintain synchronization all through to the target values, and thus a 640 dots by 480 lines display is available.

Abstract: An adaptation of an aspect ratio of a picture signal is effected by providing (1) a second derivative (D2) of an expansion factor (EF) in response to at least one constant value (C1, C2), by providing (3-13) a first derivative (D1) of the expansion factor (EF) in response to the second derivative (D2), by providing (14-21) the expansion factor (EF) in response to the first derivative (D1), and by expanding the picture signal in dependence upon the expansion factor (EF) to adapt the aspect ratio of the picture signal, whereby use of an expansion factor (EF) less than one results in a compression of said picture signal.

Abstract: A Digital signal processor selectively demodulates and decodes signals received from multiple types of transmission channels such as satellite, terrestrial and cable transmission channels. A received signal is representative of compressed digital video information such as television picture information, and is encoded in one of a plurality of coding formats (e.g., trellis or punctured codes of selectable code rate). The received signal is also modulated in one of a plurality of modulation formats (e.g., PAM, QAM or PSK). A demodulator selectively demodulates the signal modulated in one of the plurality of modulation formats, and a decoder selectively decodes the demodulated signal coded in one of the plurality of coding formats.

Abstract: A radio receiver for receiving a selected digital HDTV signal, irrespective of whether it is a quadrature-amplitude-modulation (QAM) or a vestigial sideband (VSB) signal, using the same tuner. The tuner supplies a final IF signal in a 6 MHz frequency band, the lowest frequency of which is not appreciably more than 2.27 MHz. The final IF signal is digitized at a rate that is a multiple of both the symbol frequencies of the QAM and VSB signals, for synchrodyning to baseband, with the 2.375 MHz difference between the carrier frequencies of QAM and VSB signals being taken into account in the digital synchrodyning circuitry. The carrier frequencies of the QAM and VSB final IF signals are regulated to be submultiples of the multiple of both the symbol frequencies of the QAM and VSB signals by applying automatic frequency and phase control signals developed in the digital circuitry to a local oscillator of the tuner.

Abstract: An apparatus and a method for receiving television signals can display a television signal of a novel signal format, even at a low cost, without addition of any hardware.

Abstract: Transmitter station for transmitting, and receiver for receiving a plurality of television programs via respective transmission channels. A teletext page with tuning data (F) which are representative of the transmission channels used by the transmitter station is transmitted by means of one of the programs, for example a local television program. Moreover, further signal processing data are incorporated in the teletext page, which data are representative of the transmitted television programs, such as a station name (NAM), a system code (S) and a predetermined teletext page number (PDC). When the television receiver is tuned to a television program, the respective signal processing circuits are controlled by means of the corresponding signal processing data.

Abstract: The present invention is directed to a CATV system in which a broadcasting multiple signal including a plurality of types of broadcasting signals modulated by at least two different modulation techniques is sent to a CATV terminal device from a CATV broadcasting device. In the CATV terminal device, the broadcasting signal corresponding to a requested channel is selected from the sent broadcasting multiple signal. The selected broadcasting signal is sent to a plurality of types of demodulation means respectively corresponding to the modulation techniques. The modulation technique by which the broadcasting signal corresponding to the requested channel is modulated is judged on the basis of data representing the relationship between each of channels sent from the CATV broadcasting device and the modulation technique by which the broadcasting signal corresponding to the channel is modulated.

Abstract: A channel selection apparatus is provided for allowing receipt of signals broadcast according to the NTSC, SECAM and PAL broadcast modes. A controller discriminates the signal's broadcast mode based on the horizontal sync signal included in the received signal and alters a circuit connection path. Accordingly, a desired broadcast mode can be automatically selected without requiring any particular switch manipulation by a user. Further, a video signal processing path is separated from a sound signal processing path, in order to obtain excellent sound quality, even when receiving a stereo broadcast. Also, it is possible to easily automate the manufacturing process for the apparatus, thereby improving productivity.

Abstract: An adaptive receiver includes an adaptive demodulator and an adaptive decoder for providing demodulated and decoded output data from a video signal encoded for satellite, terrestrial or cable transmission. The demodulator recovers demodulated output data by using an adaptive timing recovery network and an adaptive carrier recovery network that incorporates a selectable slicer network. In addition, an Automatic Gain Control network within the demodulator provides a gain control output as a function of a difference between signals produced both prior to and following the slicer. The demodulator may also incorporate a signal quality detector that uses carrier recovery network signals to provide an estimate of the error in the demodulated output data. The decoder produces a Viterbi decoded output from the demodulated output data by using a selectable code rate Viterbi decoder.

Abstract: To provide a parallel processor apparatus which can perform processing with a good efficiency on signals comprised of data of different lengths. A parallel processor configured by a serial connection of a first parallel processor and a second parallel processor having n number of individual processors and (m-n) number of individual processors. For signals comprised of data of a length, serving as the unit of processing, of m or less and n or more, these parallel processors are connected and used as a single parallel processor apparatus which performs processing equivalent to that by a conventional parallel processor apparatus. For signals comprised of data of a length of n or less, these parallel processors are independently used to perform pipeline processing and thereby perform two times the amount of processing of that performed by a conventional parallel processor apparatus.

Abstract: A multi-television broadcasting signal receiving apparatus and method thereof are provided. In the apparatus, if aerially transmitted several television broadcasting signals are tuned and the tuned signal is inputted as an IF signal, a microcomputer outputs a different chrominance control signal according to the broadcasting system by using the input IF signal. A chrominance signal amplifying portion varies a color concentration of a detected signal according to the broadcasting system by the chrominance control signal output from the microcomputer so as to discriminate the broadcasting system. The color concentration is automatically corrected without the need of an extra correction circuit by correcting the color concentration of the broadcasting signal discriminated by a preprogrammed different gain according to the broadcasting system of the received signal. This effect can be applied to a television for receiving a plurality of broadcasting signals.

Abstract: A display device comprising a display panel having pixels arrayed at intersections of mutually orthogonal gate lines and data lines, and a driving circuit for sampling a plurality of video signals simultaneously and distributing the sampled signals concurrently to a predetermined number of data lines; a video driver for relatively delaying the video signals in accordance with the array pitch of the pixels and adjusting the supply timing of the video signals to the display panel; and a timing generator for controlling the simultaneous sampling period of a driving circuit included in the display panel and also controlling the timing of the delay process executed by the video driver. The timing generator is capable of selectively switching the simultaneous sampling period and controlling the delay process timing of the video driver in response to such selective switching to thereby optimize, with respect to the simultaneous sampling period, the supply timing of the input video signals to the display panel.