Abstract: In accordance with the specific embodiment of the present invention, a tuner alternates between receiving a first video signal and a second video signal, such that every other frame of a specific signal is received. This is accomplished by writing to an IF1 and IF2 control register, during a vertical blanking interval. Subsequently, the video images are displayed in full motion video by interpolating the alternating frames of data not received by the tuner.

Abstract: The invention relates to a method and a circuit arrangement for picture-in-picture insertion, in which a sequence of insertion pictures (Kj=K1,K2, . . . ) is read, with vertical decimation (VD?1), into a memory device (S) and subsequently read out, the sequence of insertion pictures (Kj) read out is inserted into a sequence of main pictures (Hi=H1, H2, . . . ) and the memory device (S) is continuously overwritten by the insertion pictures. In order to prevent the occurrence of a seam during the insertion of the insertion pictures into the main pictures in a cost-effective manner and with a relatively low outlay on apparatus, the memory device (S) is subdivided into memory segments (X,Y,Z) which are continuously cyclically overwritten by the insertion pictures, the memory device (S) has a storage capacity of less than two insertion pictures, and a decision is made as to whether the currently written insertion picture (Kj) or the immediately preceding insertion picture (Kj?1) is read out.

Abstract: Embodiments of the present invention provide a method and apparatus for maintaining smooth video transition between distinct applications. Preferably, the apparatus implementing the present invention includes a processor, a secondary memory and a system memory. In providing a smooth transition between two applications, the apparatus and method provides synchronization of the video and graphics components while transitioning from a first application to a second application. If there is no video component in either application, no action is needed to provide a smooth transition between applications, and when only the first application includes a video component, the video component need only be turned off for smooth transition between the applications to occur.

Abstract: A device for processing a first video signal and a second video signal that contain image data which overlap within a combined picture includes a processing element and a controller. The processing element receives the first video signal containing first image pixel data and receives the second video signal containing second image pixel data, and processes the first video signal and the second video signal to generate a third video signal indicative of an overlap region of images formed by the first and second video signals.

Abstract: A CPU carries out such control as to display a received image on the whole of a screen even when a command to acquire program information is issued by a user. In the display of the received image on the whole of the screen in this case, an icon button meaning that an operation for acquiring program information is continued is displayed in a non-central portion of the screen by an OSD circuit. When the icon button is operated by the user, a genre retrieval table is displayed on the screen by the OSD circuit. When a predetermined number of program information can be acquired, the display is automatically switched to the display of the genre retrieval table.

Abstract: An apparatus and method for video data processing in digital video decoding, such as digital video disk (DVD) decoding, which produces new video data according to main picture data, sub-picture unit (SPU) data, and an aspect ratio. The apparatus includes a sub-picture-unit-decoding and color-determining device, a mixer, a buffer, and an interpolator. The sub-picture-unit-decoding and color-determining device is used for performing sub-picture decoding and color determination on the SPU data, and producing decoded SPU data. The mixer, coupled to the SPU-decoding and color-determining device, is employed to mix the main picture data and the decoded SPU data, and outputting combined video data. The buffer, coupled to the mixer, for storing the combined video data outputted from the mixer.

Abstract: An interfacing method and system for a stream source apparatus and a display device, which includes a stream source apparatus receiving analog/digital signals from external analog/digital equipments to generate a plurality of transmission packet streams corresponding to the analog/digital signals, the stream source apparatus synthesizing a plurality of the transmission packet streams into a single synthesized transmission packet stream to transmit the synthesized transmission packet stream by wireless, a display apparatus receiving the synthesized transmission packet stream transmitted from the stream source apparatus, the display apparatus separating the synthesized transmission packet stream into a transmission packet stream corresponding to a main screen and a transmission packet stream corresponding to a sub-screen, the display apparatus decoding the transmission packet streams corresponding to the main screen and the sub-screen respectively to generate digital video/audio signals to display on a display

Abstract: A data structure, such as a digital television signal, includes (a) a video stream representing a picture and (b) auxiliary information, such as a closed caption stream. In one embodiment, the picture has special content that is not visible when a decoder correctly processes the auxiliary information. When an error occurs in the decoder processing, the special content becomes visible, thereby indicating the existence of the error to an observer of the rendered picture. In another embodiment, the video stream represents a sequence of time-varying pictures that provides a temporal reference for characterizing the relative timing of the decoder's processing of the auxiliary information.

Abstract: A web television includes a display, a tuner, an internet module, and a PIP module. The tuner is arranged to select television video for display on the display and to select television audio for display by a speaker of the web television. The internet module is arranged to supply internet video for display on the display and to supply internet audio for display by the speaker of the web television, and the internet video and audio are derived from internet communications between the web television and internet content providers. The PIP module is arranged to provide a PIP area within a main area of the display. The internet video and the television video may be swapped between the PIP area and the main area of the display, and the speaker of the web television may be swapped between the internet audio and the television audio.

Abstract: An image signal recovering apparatus for converting a composite signal and a component signal of a main picture and a sub picture into digital signals, including: a composite selecting unit which selectively outputs at least one of a plurality of composite signals inputted through first input ports of the composite selecting unit; a component selecting unit which selectively outputs at least one of a plurality of component signals inputted through second input ports of the composite selecting unit; a first converting unit for converting composite signals from the composite selecting unit into digital signals; a second converting unit for converting component signals from the component selecting unit into digital signals; and an input switching unit positioned between the component selecting unit and the second converting unit, for selectively switching composite signals from the composite selecting unit and component signals from the component selecting unit into the second converting unit.

Abstract: A system identifies video data to be encoded as well as multiple display regions associated with a particular video display type. Each of the multiple display regions is associated with a different portion of an image associated with the video data. The video data is encoded such that the encoded video data includes information regarding the multiple display regions. Each of the multiple display regions has an associated display region identifier. Additionally, the system may identify an active region of the video data. The active region may be located anywhere within an image associated with the video data. The video data is encoded such that the encoded video data includes information regarding the active region.

Abstract: The video signal processing method of this invention is employed in a video signal processing apparatus that includes a plurality of signal processing parts, each for executing signal processing, for processing two or more digitalized video signals in parallel, and the video signal processing method includes the steps of selecting one or more video signals from the two or more digitalized video signals; and obtaining an object video signal by selecting, from the plurality of signal processing parts, signal processing parts used for signal processing of the selected video signals in accordance with a mode of the object video signal and executing the signal processing in the selected signal processing parts in an order in accordance with the mode of the object video signal.

Abstract: Systems and methods that provide picture-in-picture timebase management are provided. In one example, a method may include the steps of sending a first video signal and a second video signal to a video decoder; sending a first audio signal to the audio decoder, the first audio signal being associated with the first video signal; locking a single timing mechanism to program clock references (PCRs) of the first audio signal; and decoding the first audio signal and the first video signal according to a timebase of the single timing mechanism.

Abstract: Image data scaled by a scaling circuit and then multiplied by a weighting factor by a weighting factor multiplier circuit and an on-screen-display (OSD) data multiplied by a weighting factor by a weighting factor multiplier circuit and then scaled by a scaling circuit are combined together by a combining circuit to generate composite image data and the resultant composite image data is accordingly reproduced.

Abstract: A data structure, such as a digital television signal, includes (a) a video stream representing a picture and (b) auxiliary information, such as a closed caption stream. In one embodiment, the picture has an inset window representative of a reduced version of the picture properly overlaid by the auxiliary information. In another embodiment, the data structure has two or more auxiliary information streams, and the picture is used to independently test the auxiliary information processing of each of the auxiliary information streams.

Abstract: In the case of picture insertions, such as picture-in-picture, for example, fluctuations in the line duration are manifested in position displacements relative to the desired position of the inserted pictures. In order to prevent position displacements in the horizontal direction, it is provided that the insertion position is corrected in a manner dependent on a determined line duration. The method according to the invention is suitable in particular for picture-in-picture insertions in television receivers.

Abstract: In an image display apparatus in which a display attribute of a specific area of the display can be modified based on an information input from a processor, a resolution of the image is determined from the input vertical and horizontal synchronization signals, dot clocks are generated by multiplying the horizontal synchronization signals depending on the determined resolution, a horizontal display period in one horizontal synchronization signal is detected using a signal in the image signals input from the processor, the actual count value of the dot clocks in the detected horizontal display period is compared with a standard value thereof in the horizontal display period in one line at the determined resolution of the image and the multiplication number of a dot clock generation circuit is corrected so that the count value coincides with the standard value to modify the display attribute of the specific area of the display.

Abstract: A television monitor display comprises a first selectable source of a first video display signal and a second selectable source of a second signal for video display. A video processor receives signals from the first and second selectable sources and controllably combines the second signal with said first video display signal. A sync separator is coupled to receive the combined signal and generate therefrom separated synchronizing signals. A controller is responsive to user selection of the first selectable source and generates a disable signal for controlling the video processor to inhibit combining of the second signal for a predetermined time.

Abstract: In an apparatus for composing image data of a main picture and image data of a sub-picture by a chroma key process, an attribute of an image contained in the sub-picture is detected, a partial area of the sub-picture is set as a chroma key mask area in accordance with the attribute detection result, and composing the image data of the main picture and the image data of the sub-picture by executing the chroma key process for an area other than the chroma key mask area without executing the chroma key process for the chroma key mask area in the sub-picture.

Abstract: An OSD image memory stores the OSD image of the reference color attribute. A color setting portion stores change set data for the brightness, transparency and saturation of the OSD image set by the user. An STB changes the color of the OSD image stored in the OSD image memory, based on the change set data for the brightness, transparency and saturation of the OSD image stored in the color setting portion, produces a composite video with the OSD image of changed color superposed on the video of a program, and outputs it from an output portion. Accordingly, the user can change the brightness, transparency and saturation of the OSD image according to one's preference.

Abstract: In display apparatuses, particularly television receivers and monitors, a video picture can be inserted into a main picture (HB) from a first video signal (VS1), in which a second picture (ZB) from a second video signal (VS2) has a first picture format and is composed of picture lines (BZ) and filling lines (FZ). The picture lines (BZ) forming a sub-picture (UB) with the second picture format is adjoined by the filling lines (FZ) in the vertical picture direction. The second picture format of the sub-picture (UB) is determined and the determined second picture format is used for determining the filling lines (FZ). The picture lines (BZ) and a portion of the filling lines (FZ) are inserted as an insertion picture into the main picture (HB). Additional insertions (OSD) from an additional signal, which at least partly lie within the filling lines (FZ), is displaced into the sub-picture (UB).

Abstract: A multi-picture in picture system in which each camera is coupled in a daisy chain adds its part of the complete picture on a CVBS-line. The television/monitor doesn't have to prepare the complete picture because each camera does it. Furthermore, no problems with locking occur because each camera adds its picture at the “place” where it is also locked.

Abstract: A display driver, a display unit, and an electronic instrument that enables the simultaneous display of a still image and a moving image on the same scan line. An X driver IC includes at least display data RAM, in which is stored still-image data for one frame, and a line memory, in which is stored moving-image data for one scan line. A selector circuit selects one of still-image data for one scan line in the horizontal direction, which is read from the display data RAM, or moving-image data for one scan line, which is read from the line memory, based on image determination data, and outputs it as composite data of a still image and a moving image, for each column position. After the composite data has been latched by an output latch circuit, a liquid crystal panel is driven based on the latched data by a liquid crystal drive circuit.

Abstract: A video signal processing apparatus processes input video signals. A video signal source supplies the input video signals carrying at least a first video signal that is an interlaced signal having 480 effective scanning lines and a second video signal that is an interlaced signal having 1080 effective scanning lines. A video signal processor converts at least the first and the second video signals into a third video signal that is a progressive signal having 1440 effective scanning lines, thus outputting the third video signal. The output third video signal may be converted into a fourth video signal that is an interlaced signal by a progressive-to-interlace converter, thus outputting the fourth video signal.

Abstract: Device and method for decoding a plurality of video bitstreams on the same time by using one decoder by making time multiplexing decoding of bitstreams in different frame rates and film modes in frames, which facilitates simultaneous processing of multiple video bitstreams for PIP, POP, multi-channel broadcasting, and the like by using, not numerous video decoder, but only one HD class video decoded, a required memory size can be reduced significantly, and an IC size can be reduced further if the present invention is applied to an ASIC, that enhances competitiveness.

Abstract: A video signal processing apparatus comprises a sub-screen processing integrated circuit for subjecting a sub-screen video signal to scale-down processing to reduce its display region and output the sub-screen video signal, and a main-screen processing integrated circuit comprising: a switching circuit for receiving a main-screen video signal and the scaled-down sub-screen video signal which is outputted from the sub-screen processing integrated circuit, and selecting the main-screen video signal for a main-screen display region while selecting the sub-screen video signal for a sub-screen display region; an A/D conversion circuit for converting the video signal outputted from the switching circuit into a digital video signal; a digital signal processing circuit for digitally processing the digital video signal outputted from the A/D conversion circuit; and a D/A conversion circuit for converting the digitally-processed video signal into an analog video signal.

Abstract: A digital video system includes a sample rate converter and an inverse-sample rate converter. The sample rate converter converts video data from a non-orthogonal pixel domain to an orthogonal pixel domain. The inverse-sample rate converter converts the video data from the orthogonal pixel domain to the non-orthogonal pixel domain. The inverse sample rate converter utilizes a timing signal generated by the sample rate converter when converting the video data from the orthogonal pixel domain to the non-orthogonal pixel domain.

Abstract: A multi-window display apparatus is provided with such characteristics that, when a data telecast window is displayed as one window of multi-window display, the user can view the screen with improved visibility of a character area of the data telecast and the multi-window display, without disturbing the “standardized presentation” of the data telecast window intended by a telecast service provider. In scale-down display of the date telecast window, an area of character telecast display part is discriminated, the area is displayed with focus to facilitate recognition of the character part, and, in response to user's selection of the focus part on a remote controller, the character area is displayed in a scale-up state of original size.

Abstract: A video signal processor wherein information included in video information displayed by a supplied video signal is utilized without requiring excessive effort by a user. When an execution instruction input of a screen memo function is received from the user through a remote controller (100), a control part (20) controls a capture memory part (5) to fetch a displayed image as a static image. The fetched static image is supplied to a child screen processing part (9) and displayed on a child screen. The control part (20) recognizes characters of character information included in the image fetched to the capture memory part and stores them in an EEPROM (24) to be secondarily used.

Abstract: A method of generating a visual program summary is disclosed for a multiple source video feed. In the disclosed method, a computing device continuously captures frames from a set of available video feeds such as television channels. The computing device analyzes the captured video frames to remove redundant frames. The computing device then selects a set of frames to generate a visual program summary. The selected frames are composited together to generate a visual program summary.

Abstract: An overlay for use with a video screen having a display thereon, comprising at least one first tactilely readable area corresponding to a feature of a first graphical display on the screen.

Abstract: A video overlay switching apparatus and method utilizes a common video scaler that receives input video data. A programmable switching mechanism, such as a register-controlled multiplexer, receives video information from the video scaler, either scaled video or unscaled video, and selectively routes the video data to any one of a plurality of video overlay generators to facilitate selective display of overlay data on a specified display device. The programmable switching mechanism also facilitates programming of frame buffer space for each display engine, based on which video overlay generator has been selected to receive input video.

Abstract: A digital television receiver that can perform analog/digital and main/sub picture functions only using an analog tuner and an analog/digital-combined tuner is disclosed. The digital television receiver includes a control section for generating and outputting control signals according to a user's command for selecting a channel and a main/sub picture, an analog tuning section for selecting an RF signal of an analog channel selected by the user among RF signals received through an antenna under the control of the control section, and converting the selected RF signal into an IF signal, and an analog/digital (A/D)-combined tuning section for selecting an RF signal of an analog or digital channel selected by the user among the RF signals received through the antenna under the control of the control section.

Abstract: A system and method for switching presentation of media between two or more processes without interruption is described. This system and method can enable a user to enjoy media presented in a process and then switch the presentation of that media to another process without interruption in the media. Further, this system and method can enable a user to switch back and forth between media presentation within one application and another application without interruption.

Abstract: An apparatus for displaying a double screen in a wide screen display device, the apparatus including a video interface to receive a first and a second video signal from a plurality of video signals according to a selection control signal, wherein each of the first and the second video signals have a general screen aspect ratio; a scaler to scale the first video signal to a resolution of a main screen and to scale the second video signal to a resolution of a subscreen with the general screen aspect ratio; and a control unit to output the selection control signal to display the double screen, control scaling of the first video signal and second video signal, and to simultaneously display the scaled first video signal on an area of a screen and the scaled second video signal on a portion of a remaining area of the screen.

Abstract: Disclosed herein are system(s), method(s), and apparatus for simultaneously displaying multiple video streams. The video streams are encoded as a video sequence, which can include temporally coded bi-directional pictures. A decoder decodes a picture from each of the video sequences, which can include temporally coded bi-directional pictures. The set of frame buffers stores the past prediction frames and the future prediction frames for each video sequence. A table indicates the location of the past prediction frame and the future prediction frame for each video sequence. A display engine prepares a frame from each video sequence for display. The location of the frames for display are indicated by a register.

Abstract: A ticker tape PiP system that provides for viewing the ticker tape image portion from one image signal (e.g., a ticker tape image portion of a television image signal), while viewing at least a portion of an image from a different image signal (i.e., a standard television program image). The ticker tape PiP system includes an image display device, a first tuner and a second tuner. The first and second tuners are configured to receive first and second image signals and to output corresponding first and second video signals, respectively. The ticker tape PiP system also includes a video switching subsystem for receiving the first and second video signals and for selectively switching an output to the image display device between (i) an RGB formatted display signal derived from the first video signal and (ii) an RGB formatted display signal derived from the second video signal that corresponds only to a ticker tape image portion of the second video signal.

Abstract: A television program stream that includes television programs and at least one original commercial, and a commercial replacement stream that includes at least one replacement commercial, are received simultaneously such that a respective replacement commercial is approximately synchronized in time with a respective original commercial. The television program stream and/or the commercial replacement stream is buffered to substantially synchronize a respective replacement commercial with a respective original commercial. Selective switching is performed between the television program stream and the commercial replacement stream, to provide a television program output that includes the television programs and the at least one replacement commercial instead of the at least one original commercial. Accordingly, commercial replacement may be provided in set top boxes without the need for mass storage devices to store the replacement commercials.

Abstract: A method and an apparatus to display multi picture-in-guide information. The method includes displaying electronic program guide (EPG) background screen having a main PIG screen and a plurality of sub PIG screens if an EPG mode for a current channel is requested; detecting EPG information on the current channel to display in texts on the EPG background screen, displaying tuned moving pictures of the current channel on the main PIG screen, while sequentially detecting EPG information for other channels, capturing pictures from the other channels, and displaying the detected EPG information in texts on the EPG background screen and displaying the captured pictures as still pictures on the sub PIG screens; and whenever a channel is selected among the displayed EPG information, tuning the channel as the current channel and updating the main PIG screen and the sub PIG screens.

Abstract: Video information and sub-information pertaining to a partial image to be displayed on a small-screen monitor are input from a receiver, disk playback unit, or memory data reader. On the basis of the sub-information, a target region data extractor and target region setting unit extract and set a partial image. A partial enlargement processor enlarges the partial image and displays the enlarged image on the small-screen monitor.

Abstract: A display control method includes the steps of: dividing a screen into a first display region, on which a first broadcast signal is displayed, and a second display region having a plurality of sub screens, on which a second broadcast signal is displayed, in which the second broadcast signal is received in response to a channel searching command; and controlling a position of display region on which the second broadcast signal is displayed according to the viewer's control command. Broadcast signals of channels that a viewer wants to watch can be simply searched, thus maximizing the viewer's convenience.

Abstract: A television viewer uses a PIP format for display of program related information such as television program listings from a program schedule data base in the background and moving, real time or stored video clip images of a program selected from the displayed listings in the PIP window. All the text of the background information lies outside the PIP window. In one embodiment, as the viewer selects a particular program from the display of current television program listings by means of a cursor or a code number, the corresponding program automatically appears in the PIP window.

Abstract: A method, system and article of manufacturer is provided to improve the quality of service and image display in videotelephony systems by combining digital zooming techniques and picture-in-picture functionality to conserve bandwidth and enhance selected portions of the video display. A portion of the videotelephony image is selected to be zoomed and re-transmission of the videotelephony image source is limited by preventing instructions to zoom the defined portion from being transmitted to the videotelephony image source. Zooming of the defined portion is performed by using an interpolation-based digital zooming technique independent of the zooming capabilities of the videotelephony image source. The zoomed portion is then displayed in a window on a display screen. The zoomed portion can be displayed in an in-place window over the defined portion such that the zoomed portion overlaps adjacent non-zoomed portions of the videotelephony image or in a separate floating window on the display screen.

Abstract: A display device having an A/D (Analog/Digital) converter receiving a signal from a personal computer (PC) and converting the signal into a digital signal a decoder receiving external input signals from an external signal inputter such as a TV or a Video player that decodes the external input signals into the digital signal, and a video processor that performs a PIP (Picture In Picture) signal process displaying one of the PC signal converted and the decoded external input signal as a main screen and the other one as a sub main screen, thereby enabling the converted PC signal and the decoded external input signal to be displayable on a display.

Abstract: A video processing system is described for providing an image having more than one region on a display (DISPLAY). The system has a control means which can determine, for each region, the type (e.g., graphics, text, computer programs, broadcast TV video, etc.) of the image material being displayed in the region. The system also has a video driver coupled to the display for providing image signals having contrast and brightness characteristics. The control means generates a control signal for causing said video driver means to adjust said contrast and brightness characteristics of said image signals according to the type of material being displayed in said region.

Abstract: A method and apparatus retrieves and interactively displays program guide information by analyzing the program information screen images from the video source provider on a dedicated service channel; with the unilateral processing at the viewer end alone. Also, the present invention provides a method to supply additional program information with special image patterns in selected screen areas. The present invention further provides the ability for the viewer to select programs for future viewing or recording.

Abstract: An apparatus and method for performing a picture-in-picture (PIP) in a display device is disclosed. The apparatus includes a first video processor converting a first video signal into data representing a displayable main picture, a second video processor converting a second video signal into data representing a displayable sub-picture, and a microcomputer controlling the first video processor and the second video processor, so that at least one of the main picture data and the sub-picture data is partially outputted in accordance with a shape of the sub-picture.

Abstract: An image synthesizing system is provided that can prevent image deterioration resulting from synthesis applied to a predictive image to be used for the next frame. The image synthesizing system decodes and synthesizes a main frame and a sub-image compressed in different modes. The image synthesizing system includes a main image frame buffer 122, an alpha blending section 133, and an image synthesis and display 140. The main image frame buffer 122 stores a main image to be referred to in the next frame decoding process. The alpha blending section 133 alpha-blends a main image from the main image frame buffer with a decoded sub-image to produce a translucent composite image. The image synthesis and display 140 superimposes the translucent composite image on the main image.

Abstract: A method for allowing two or more viewers to simultaneously view and listen to different video content is provided. The method including: displaying video content from each of two or more tuners on a monitor; producing audio corresponding to the display from one of the two or more tuners; generating wireless audio signals corresponding to the display from another of the two or more tuners; transmitting the wireless audio signals to a base, such as a remote control, for use with the monitor; receiving the wireless audio signals at the base; and directing the audio signals to a headphones operatively connected to the base.

Abstract: The present invention presents an apparatus for receiving a television signal having a plurality of channels, assigning images of different channels included in the television signal to a main picture and a sub-picture, and synthesizing the main picture and the sub-picture in a same picture and displaying the synthesized pictures by a display apparatus, characterized in that in response to an instruction for a channel change of the sub-picture, the channel on the sub-picture is changed from a first channel to a second channel while an image from the first channel displayed on the sub-picture and an image from the second channel are synthesized within a predetermined duration of time.