Abstract: A detection device and method commonly used for a video interface outlet and earphone line outlet is used to allow the detection device to detect whether a three- or four-terminals plug is inserted in the outlet. The detection device detects whether the impedance value of the video output terminal of the plug is larger than the preset value. If yes, the detection device control a video signal output terminal to output a video signal. If the impedance is not larger than the preset value, the detection device then controls the video signal output not to output a video signal and only to output an audio signal.

Abstract: A digital media controller is provided. The digital media controller includes a video input interface configured for connecting to a host computer; a video output interface configured for connecting a display; a storage card interface configured for receiving a storage card which is used to store media files; a media processing unit configured for decoding the media files to video signals and audio signals; a switch unit connected between the video input interface and the video output interface, and the media processing unit, and controlled by the processor; the processor being configured to control the switch unit to connect a signal channel between the video input interface and the video output interface, and between the media processing unit and the video output interface according to a predetermined control rule.

Abstract: There is provided a signal processing apparatus including a first image generating unit, a second image generating unit, a first selecting unit selects at least one of the first image generating unit and the second image generating unit and outputs an image, an image signal processing unit that performs signal processing on the image and outputs the processed image, a second selecting unit that selects one of the first selecting unit and the image signal processing unit and outputs an image, a storing unit that stores information on operations of the second image generating unit and the image signal processing unit, and a third selecting unit that selects at least one of the second image generating unit and the image signal processing unit and connects the selected one to the storing unit, whereby the storing unit is shared between the second image generating unit and the image signal processing unit.

Abstract: Provided are a display system and a method for switching a display mode. Display modes according to kinds of programs are set up and stored. When detecting program activation by a user s request, an image of the program activated in the preset display mode is displayed after confirming a preset display mode in the program.

Abstract: A method for interference-free, centrally controlled switchover from a first to a second program channel in a data transmission system for distributing encoded program data streams to multiple subscribers includes delivering at least two program data streams, each of which is associated with a separate program channel, to a separate, controllable encoder. The program data streams are encoded in the associated encoders. The encoded first and second program data streams are fed into a distribution network. One encoded program data stream is delivered through a routing device to at least one target subscriber. Control parameters are provisioned in a central control device which permits a synchronized activation of the controllable encoders and at least one switching device for interference-free switchover of the program channels. An interference-free switchover from the first to the second program channel is executed.

Abstract: The present invention provides a video transmission apparatus including an input terminal input with a video signal; an output terminal wire connected to a video device; a wireless communication unit for modulating the video signal through a predetermined wireless modulation method and wirelessly transmitting the modulated video signal; an output switch unit, connected with the input terminal, the output terminal, and the wireless transmission unit, for switching an output destination of the video signal input from the input terminal to the output terminal or the wireless transmission unit; and a switch controller for causing the output switch unit to switch the output destination of the video signal in response to a switch request when receiving the switch request of the output destination by the wireless communication unit.

Abstract: An embedded-audio routing switcher includes an input configured to receive digital input signals. The digital input signals include video with embedded audio. The input being coupled to a deembedding module configured to deembed audio from each of the digital input signals. A crosspoint matrix is configured to receive the digital input signals and transfer the digital input signals to an output. A time division multiplexed path is configured to transport the deembedded audio signals to the output. The output is configured to route one of the digital input signals and selected deembedded audio signals in accordance with a routing control setting.

Abstract: An image output apparatus that has video output terminals for each channel and outputs video signals from the video output terminals to a liquid crystal display device which divides one screen into a plurality of channels and drives the divided channels is disclosed.

Abstract: A television with integrated signal switch (100) for sharing a television screen (14), a plurality of console devices compliant with an industry standard (16, 18) and at least one peripheral devices (20) with any computer system in a plurality of computer systems (12), is provided comprising a CPU (30); a hub switch module (32) connected to the CPU (30) and configured to communicate with any of the plurality of computer systems (12), and the at least one peripheral devices (20); a device control module (38) for emulating, according to the industry standard, the plurality of console devices, connected to the CPU (30) and the hub switch (32); a host control module (44) connected to the CPU (30) and configured to communicate with the plurality of console devices (16, 18); and a video control module (50) connected to the CPU (30) and configured to communicate with the television screen (14).

Abstract: A video display device having an automatic input switching capability includes at least one input connector coupled to the video display device for accepting an external video signal, sensing means coupled to the at least one input connector for detecting the presence of the external video signal; control means coupled to the sensing means and video circuitry of the video display device, wherein the control means controls the operation of the video display device when a new video signal is sensed by the sensing means.

Abstract: Systems and methods are disclosed for filter modules in a video display system or network. One embodiment relates to a method for operating a filter module in a video display network comprising determining a picture type, display type and operation of the display network. The method further comprises determining, in real time, a filter configuration from a plurality of possible filter configurations based on the determined picture type, display type and operation.

Abstract: A system and apparatus are provided for selectively terminating an analog video signal depending on whether or not a terminating device is present. A conditional terminator receives an analog video signal from a video input and terminates the video signal in the absence of a terminating device and does not terminate the video signal when a terminating device is connected to the analog video signal. A conditional terminator may comprise a resistor and transistor connecting the video signal to ground when a ground signal from a terminating device is not present and disconnecting the signal from ground as a result of the presence of a ground signal from a connected terminating device. The conditional termination may occur in a video input device or alternatively in a video cable connector.

Abstract: The forgoing method, system, and apparatus relates to a touch sensitive display for use with a programmable multimedia controller. In the illustrative system, the user may select and designate a video input device to be implemented on a video output display device within the user's network of devices. The media input devices and output devices are selected by the user touching a touch sensitive button located on the display screen. To initiate an action the user touches, drags and drops a media input device button onto one or more video output display device buttons. Furthermore, when the user selects a media input device to be implemented on a video output display device, the user may also select a video signal source to apply to that media input device for a transaction. A live stream of what is playing on a given channel is provided on the screen.

Abstract: The present invention is directed to provide a signal discriminating device realizing signal discrimination which enables a more appropriate signal process to be performed according to a signal source and a state of an input video signal. The signal discriminating device includes: a comparing section comparing a motion magnitude between two fields of an input video signal with one or more predetermined motion magnitude patterns which are provided in correspondence with one or more signal sources, so as to determine one or more degrees of match or mismatch between the motion magnitude and the motion magnitude patterns; and a discriminating section discriminating a signal source of the input video signal in consideration of the degree of certainty or uncertainty of discrimination, the degree of certainty or uncertainty being determined on the basis of the degrees of match or mismatch determined in the comparing section.

Abstract: A video production switcher comprises a number of mix effects (M/E) units and a controller. The latter comprises a control layer that controls the M/Es to provide video outputs through projection devices that give the appearance of displaying one unified pixel space canvas.

Abstract: A communication control device in an audio visual device system has disconnection detection unit for detecting that an audio visual device is disconnected from the audio visual device system, device detection unit for detecting an audio visual device which has not acquired a logical address according to a device type, and control unit for performing control for causing the audio visual device without a logical address to acquire a logical address, when disconnection of a audio visual device is detected by the disconnection detection unit. With this configuration, in an audio visual device system in which an upper limit is set to the number of logical addresses according to a device type, it is possible to cause an audio visual device which cannot acquire a logical address according to the device type to acquire a logical address when it is made available.

Abstract: A video switcher that enables to perform setting operation while checking the set values without being distracted by a display unit even during a program is provided. Knobs (21) serving as setting operation members are provided on a console (13) and are operated for changing the set values of the video effects. A display unit (17) displays the set values in accordance with the operation of the setting operation members. The display unit (17) is movable in a predetermined retraction direction in which the exposed range is reduced. The position of the display unit (17) in the retraction direction is detected. A control unit controls displaying by the display unit (17) in accordance with the detected position information and changes the display of the set values so as to display the set values on the exposed range that is remaining when the display unit (17) is shifted in the retraction direction.

Abstract: An LCD TV capable of being used as a music station only, which can turn off the internal video decoder and the internal backlight power when the LCD TV only desires to output an audio. The LCD TV panel has a backlight control terminal with a first state and a second state to turn on/off the internal backlight power based on the first or second state. A video decoder has a working mode and a standby mode. When an instruction received by a command input device is a panel backlight power turning-off instruction, a controller produces a control signal to set the backlight control terminal to the second state to thereby drive the LCD TV panel to turn off the backlight power thereon and set the video decoder to the standby mode.

Abstract: A signal switching apparatus includes: a video reference input block; a plurality of synchronous signal generating blocks; a plurality of video signal input blocks; a signal processing block; a video signal output processing block; a switching block; and a control block.

Abstract: A first buffer analyzer receives attribute information (a) of a video signal (A) from a stream buffer (A) to determine an encoded picture type after correction and a generated encoding amount after correction for a switch terminating measure. A second buffer analyzer receives attribute information (b) of a video signal (B) and final buffer-state information after the switch terminating measure from a stream buffer (B) to determine an encoded picture type after correction and a generated encoding amount after correction for a switch starting measure. A re-encoder/re-quantizer (A) and a re-encoder/re-quantizer (B) perform the switch terminating measure and the switch starting measure on the video signals (A) and (B), respectively, based on the correction information from the first and second buffer analyzers.

Abstract: According to one embodiment, an electronic apparatus includes a plurality of ports configured to be inserted a one end of a cable having a first signal line for performing first data communication and a second signal line, respectively, a communication module configured to perform the second data communication via the with an external apparatus having a function to perform the second communication, a communication line configured to connect the second signal line in the cable whose one end inserted into the each port and the communication module with each other in a wired-OR manner, a plurality of switches provided on the communication line, configured to perform switching between on and off of electrical connection between the second signal line in the cable connected to the each port and the communication module independently, and a control module configured to perform switching between on and off of the each switch independently.

Abstract: A television switch module for switching output lines of television high frequency signals, comprising: first and second input lines for respectively inputting television high frequency signals; first and second amplifiers for respectively amplifying input signals; first and second output lines for outputting the signals after amplified; a branching unit for branching an input signal; a relay switch for switching the signal lines; a relay switch control means for operation to switch the relay switch; and a power supply control means for controlling power supply to the respective amplifiers, and for stopping the power supply to an amplifier inserted in an unused input line. This makes it possible to operate only a necessary amplifier, and to reduce power consumption.

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: Video selection display unit that is capable of routing real-time output signals having a video component from different video signal sources, e.g., different instruments or home entertainment devices, to a single output for display on a monitor or other type of video display. The video selection display unit may be part of an automatic test system or home entertainment system. Control of the video selection display unit can be effected locally via a user interface, such as one or more pushbuttons, and/or remotely over a network which may be the same network used for communication with the instruments or devices or using an infrared remote control unit.

Abstract: The present invention is directed to a video signal switching apparatus having editing function to select an arbitrary video signal from plural video signals or carry out synthesis thereof, which allows an operation unit to be of modular configuration every respective functions to electrically connect adjacent modules of panel modules (22A to 22D) which serve as respective operation modules to each other by relay bases (23), (24) to carry out transmission of signals between both modules, and to allow connection between the panel modules (22A to 22D) and the relay bases (23), (24) to be connector connection to thereby have ability to freely change layout of the panel modules (22B to 22D) of division size in which 19 inches rack size is fundamental in accordance with fondness of operator.

Abstract: The invention provides systems and methods for providing compressed video data from multiple bit streams. The systems and methods apply a two-stage strategy. In the first stage, a conditioning step is performed on a bit stream comprising compressed video data which outputs a conditioned bit stream that is able to receive digital insertions without subsequent decompression of the compressed video data or removal from network packets. The conditioning includes recoding an incoming bit stream such that compressed video data in the bit stream immediately before and after a splice point does not have temporal reliance across the splice point. In the second stage, e.g., at a downstream network device, splicing of compressed video data from a second bit stream into the conditioned bit stream is performed. The splicing takes advantage of the changes made to the conditioned bit stream and may occur at the network packet level.

Abstract: A method for controlling a device for the distribution and processing of video signals is proposed. The device has a number of inputs and outputs. Signal processing stages for processing the input signals can optionally be switched into the signal paths. The method according to the invention comprises the following steps: input signals are represented on a display with an input symbol. When common properties are present, the relevant input sources are assigned input symbols which have a common color property and/or graphical property. The relations between a specific input symbol and the assigned input signal and the relevant input are stored. An output of the device is assigned an output symbol, which represents the desired properties of the output signal in the same way as the input symbols represent the properties of the input signals. Finally, an output symbol is assigned to an input symbol, whereupon the relevant input is connected to the relevant output.

Abstract: Disclosed are an apparatus and method for outputting digital video data in a display appliance. The digital video data outputting apparatus includes data converting units for converting various kinds of analog video signals into digital video data, an output signal selector for receiving outputs of the data converting units and selecting any one of the received outputs, and an encoding unit for encoding the output of the output signal selector.

Abstract: A method for facilitating a dual-bank filter coefficient RAM designed to switch banks automatically during the vertical blanking interval in a television application. The method and system of the present invention allows a micro controller to program a new set of filter coefficients in the memory bank not currently being used, automatically detect when all the coefficients have been written and then automatically switch banks during the vertical blanking interval in the television application.

Abstract: A video/audio system includes a video/audio output unit (head unit) 1 for outputting video information and audio information to a monitor 5 or an audio transmitter 6; a video/audio output unit (external player) 2 which is connected to the video/audio output unit 1 via a common signal line 3 and carries out switching output of external video information and audio information to the monitor 5 or audio transmitter 6; and a remote control unit 4 for selectively operating the video/audio output units 1 and 2 externally. The video/audio output units 1 and 2 operate in at least one of the single and combined circuit modes in response to the signal transmitted through the common signal line 3.

Abstract: In an exemplary server implementation, a server is configured to retain at least one independent frame for each video channel of multiple video channels that are being distributed using multicast communications and is adapted to respond to channel change requests from clients by transmitting the retained at least one independent frame of a requested video channel to a requesting client using a unicast communication. In an exemplary method implementation, a method for fast channel changing in a multicast video distribution architecture includes: detecting a channel change request that indicates a requested channel, the requested channel corresponding to a multicast group; and transmitting a retained intra frame for the requested channel as a unicast communication.

Abstract: An image processing unit of an image switching apparatus includes main circuit blocks (5a), (5b) and (6) and sub circuit blocks (5d), (5e) and (7). An operation unit in the image switching apparatus includes a unit for designating one of or both of the main circuit blocks and the sub circuit blocks. When the main circuit block is designated, the operation unit transmits a signal to designate the operation of the main circuit block. When the sub circuit block is designated, the operation unit transmits a signal to designate the operation of the sub circuit block. When both of the main circuit block and the sub circuit block are designated, the operation unit transmits a signal to designate operations of the main circuit block and the sub circuit block. The image switching apparatus can be constructed by a few circuits and such circuits can be efficiently used without waste in response to the change of purposes.

Abstract: A display apparatus for video signals has improved operability. The display apparatus includes a tuner which receives a video signal, an external input unit into which a video signal is input from the outside, a display processor operable to select one of the video signal received by the tuner or that obtained from the external input unit as a main video and to perform display processing on the main video, a display unit operable to display the video signals processed in the display processor, an operation unit and a controller operable to combine an operation guidance video with the main video to form a combined display based on a predetermined operation in the operation unit, and to display the combined display, wherein the combined display is displayed in different display modes depending on which video signal forms the main video. The operation unit may be in the form of a touch panel. Furthermore, when a specific button is operated, a display to select a function is performed.

Abstract: A disclosed multimedia signal monitoring unit includes a chassis and, within the chassis, a processor, a multimedia signal receiver for receiving an encoded multimedia stream, and a plurality of decoders. Each of the decoders can decode an encoded multimedia signal, where at least two of the plurality of decoders is operable to decode the multimedia signal using different decoding algorithms. The decoder includes a switch under control of the processor. In some embodiments, the switch is configured to connect the receiver to a selected one of the decoders. A user input interface is connected to the microprocessor and is operable to manually operate the switch. Each decoder may be attached to a corresponding circuit board. Each of the circuit boards is received within a corresponding slot defined within the chassis. The circuit boards may be swapped among the slots. Each decoder may be operable to decode a multimedia signal modulated using 8-level vestigial sideband modulation.

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 tamed off for smooth transition between the applications to occur.

Abstract: A video switcher includes: a video signal switching device for switching a video signal to be transmitted to a video display unit from a first video signal supplied from a first video input unit into a second video signal supplied from a second video input unit; and a synchronization signal switching device for switching a synchronization signal to be transmitted to the video display unit from a first synchronization signal supplied from the first video input unit into a second synchronization signal supplied from the second video input unit. The synchronization signal switching device starts transmission of the second synchronization signal to the video display unit after stops transmission of the first synchronization signal to the video display unit.

Abstract: In a multimedia SOC that includes a plurality of jack sense modules coupled to the plurality of video output pins, a processing module functions to: enable one or more of the plurality of jack sense modules to determine a video connection to the SOC, enable a video decoder in a first mode when the video connection is of a first type, and enable the video decoder in a second mode when the video connection is of a second type

Abstract: Disclosed herein is an information processing apparatus causing a larger number of video signals than at least one video port possessed by a processor to be input to the processor through the video port, the information processing apparatus including: a multiplexed video frame creation section creating multiplexed video frames in such a manner that each of the multiplexed video frames has the video signals multiplexed therein for input to the processor through the video port and includes a sufficiently large number of pixels so that frame images represented individually by the video signals may be pasted onto each multiplexed video frame in non-overlapping relation to one another; and a multiplexing block multiplexing the video signals in such a manner that the frame images represented individually by the video signals are pasted in non-overlapping relation to one another onto each of the multiplexed video frames created by the multiplexed video frame creation section.

Abstract: Disclosed herein is an electronic device including: a signal receiving block configured to receive a video signal transmitted from a preceding electronic device connected via a first transmission route; a signal transmitting block configured to transmit the video signal received at the signal receiving block to a succeeding electronic device connected via a second transmission route; a storage block configured to store information of image-receivable resolution for the preceding electronic device to get the video signal via the first transmission route; an information capturing block configured to capture information of image-receivable resolution from the succeeding electronic device via the second transmission route; and an information rewriting block configured to rewrite the information of the information of image-receivable resolution stored in the storage block on the basis of the information of image-receivable resolution captured by the information capturing block.

Abstract: The invention relates to a multiplexed video digitization system and method. The system includes a plurality of analog video signals, a multiplexer to select one of the plurality of analog video signals, and an analog-to-digital converter to convert the selected analog video signal into a digital video signal. The plurality of analog video signals may include component video signals, red, green, and blue signals, or s-video signals. The multiplexer may include control logic to select the one of the plurality of analog video signals. The system may include a plurality of sample and hold circuits to insure time aligned sampling of the corresponding plurality of video signals.

Abstract: According to one embodiment, an information processor includes a first connection unit, a second connection unit which is different from the first connection unit, receiving a reproduction request signal of content data from an external terminal, a start-up unit which transmits the control signal to start up the display device from the first connection unit when receiving the reproduction request signal for the content data stored in the external terminal, a decoding unit which decodes the content data to be received from the external terminal through the second connection unit, and an output unit which outputs a video signal of the content data decoded by the decoding unit from the first connection unit.

Abstract: A high-speed video signal processing system, which includes a reception end for receiving analog signals; a plurality of analog to digital converters coupled to the reception end for converting analog signals received from the reception end to digital signals according to control signals; and an interleaving controller coupled to the plurality of analog to digital converters for generating the control signals to selectively enable the plurality of analog to digital converters according to a predetermined sequence.

Abstract: A portable phone has a main LCD and a SW-LCD, provided on a path of light to be transmitted by the main LCD, which electrically switches between (i) an image to be seen in a single image display mode and (ii) an image to be seen in a multiple image display mode. In the multiple image display mode, the display switch makes it possible that (a) the image displayed by the image display is seen from a front direction and (b) an image obtained by superimposing, onto the image displayed by the image display, a switching image formed by the display switch is seen from an oblique direction. The switching image is formed by providing, with at least one of a pair of transparent electrode films for applying a voltage to a liquid crystal layer, a patterning having an area larger than 50% of an area of a display screen.

Abstract: A digital video apparatus includes: a first standby information storing unit that stores first standby command disregarding information; an active source storing unit that stores active source information indicating whether unique information of one of external devices from which a video is currently received is set as an active source; a second standby information storing unit that stores second standby command disregarding information; a first determination unit; a second determination unit; a third determination unit; and a control unit that controls operational functions of the digital video apparatus to transition into a standby state when (1) determined that the received standby command is received from the active source, or (2) determined to disregard the received standby command should be disregarded by the third determination unit.

Abstract: A signal distribution device that is provided in a tuner of the present invention includes a plurality of demodulators, a voltage comparator, a switch, a broadband amplifier, and a balun. This allows the signal distribution device of the present invention to realize a signal distribution device capable of controlling a level of a signal that a distributor outputs.

Abstract: A video apparatus having an integrated terminal and a control method thereof. The video apparatus may enable a video signal and/or an audio signal to be transmitted externally via a single terminal. In particular, a component video signal or a non-component video signal may be switched according to the type of cable, and then the switched signal may be output. Accordingly, the size of the video apparatus can be reduced, and the number of output terminals can be minimized.

Abstract: An analog/digital signal processor outputting analog input signals without eliminating copy protection signals from analog input signals, analog input signals having been subjected to copy protection process such as macrovision without adding complicated processes. The analog/digital signal processor for receiving input signals and outputting received input signals to a predetermined appliance through an analog or a digital communication unit, includes: a control unit determining whether the input signals are digital or analog signals and controlling a processing path and an output path of the input signals in accordance with the determination result; and a switching unit switching the input signals to the analog or the digital communication unit under the control of the control unit. When the input signals are analog signals, the control unit sets the processing path of the input signals to the switching unit and the switching unit switches the input signals to the analog communication unit.

Abstract: A main operation unit (2) is connected to a control unit (4) which controls image processing units (5) to (9), the main control unit (2) includes a setting means for setting the image processing units (5) to (9) to which a sub operation means (3) is connected to the standard mode or the half-divide mode, the control unit (4) controls the image processing units (5) to (9) in response to instruction from the main operation unit (2) upon the standard mode, the control unit (4) controls the image processing units (5) to (9) in response to instruction from the main operation unit (2) upon the half-divided mode and the control unit (4) controls sub circuit blocks (5d) to (5f) within the image processing units (5) to (9) in response to instruction from the sub operation unit (3). Thus, the image switching apparatus can be composed of lesser circuits and such circuits can be used separately without waste as their uses are changed.

Abstract: An entertainment system includes a digital television connected to a number of audio/video input devices. The television and at least two of the input devices support analog legacy communication schemes. The television is adapted to uniquely identify the analog output channels from each of the input devices. Uniquely identifying the analog output channels from each input device enables the television to automatically select the correct device output from among the numerous possibilities. This automation relieves the user of having to manually select the correct analog channel.

Abstract: A video switch for allowing at least two users to view video data from respective ones of at least two video sources. The video switch comprises a switch for selecting one of the at least two video sources and at least one sampler connected to the switch. The sampler is for sampling video data from the at least two video sources. The video switch further comprises a controller for controlling the switch and sampler to select one of the at least two video sources and sample a frame of video data. An output is provided for transmitting video data to one of the at least two users. The output supports a maximum number of simultaneous users which is at least two, and the number of samplers in the video switch is less than the maximum number of simultaneous users. A video switch according to the present invention allows a sampler for capturing video data to be shared between at least two simultaneous users. This reduces the cost, size and complexity of the hardware required to implement a video switch.