Systems and methods to transmit audio-video signals over an optical communication channel are described. One aspect includes receiving a plurality of audio-video electrical signals at an optical transmitter. The optical transmitter may also receive a plurality of out-of-band electrical signals. The optical transmitter may collectively modulate the audio-video electrical signals to generate a composite electrical signal. In one aspect, the optical transmitter bias current-modulates a bias current level of the composite electrical signal using the electrical out-of-band signals, and generates a modulated electrical signal based on the bias current-modulating. The optical transmitter may convert the modulated electrical signal into a modulated optical signal using a laser diode, and transmit the modulated optical signal to an optical receiver over an optical communication channel.

A method of configuring a display device interface (DDI) detects a trigger signal, generated by a display device. If the trigger signal is associated with a power on event, a full configuration of the DDI is performed, including loading display device capability information provided by the display device into DDI configuration registers and setting one or more DDI configuration parameters accordingly. If the trigger signal is associated with resume event, rather than a power on event, a modified fast link resume operation may be performed to route the trigger signal to a controller configured to explicitly write display device capability information to the appropriate DDI configuration registers before setting the corresponding DDI configuration parameter accordingly. The DDI may include a re-timer, between the DDI source and sink, configured to snoop the explicit write transaction such that the re-timer configuration is also updated.

An entertainment device initiates a configuration process of a controlling device in response to a change in an audio visual entertainment system configuration in which at least one of a plurality devices is connected to the entertainment device as an audio and/or visual source and at least one of the plurality of devices is connected to the entertainment device as an audio and/or visual output destination for the entertainment device.

A display apparatus transmits a picture acquisition request for getting picture information to an external image apparatus connected through a predetermined interface to the display apparatus from the external image apparatus at predetermined intervals and gets a plurality of pieces of picture information from the external image apparatus to be displayed. The plurality of pictures may be switched at predetermined intervals, for example, to be displayed, so that the plurality of pictures may be displayed in a so-called slide show manner. A plurality of pictures for thumbnail may be produced from the plurality of pieces of picture information and be arranged together to be displayed in one picture screen of a display device.

It is an object to realize a correcting process for correcting a defective image in a region of interest (ROI) that is a partial region segmented from a captured image. A transmitting apparatus includes a controlling section that controls the holding of defect correcting information for use in correcting a defect in an image included in a ROI and a transmitting section that sends out image data of the image included in the ROI as payload data and sends out ROI information as embedded data.

Various embodiments provide a method performed by a handheld device and the handheld device, where a USB interface of the handheld device with an infrared remote control application is connected to a port of a display device by using an adapter cable, the handheld device determines that a preset source port of the display device is not the connected port, and automatically switches the source port to the connected port by using the infrared remote control application. The handheld device sends to-be-displayed content of the handheld device to the display device by using the USB interface, the adapter cable, and the connected port to enable the display device to display the to-be-displayed content.

A display apparatus transmits a picture acquisition request for getting picture information to an external image apparatus connected through a predetermined interface to the display apparatus from the external image apparatus at predetermined intervals and gets a plurality of pieces of picture information from the external image apparatus to be displayed. The plurality of pictures may be switched at predetermined intervals, for example, to be displayed, so that the plurality of pictures may be displayed in a so-called slide show manner. A plurality of pictures for thumbnail may be produced from the plurality of pieces of picture information and be arranged together to be displayed in one picture screen of a display device.

A relay device or a connection cable for relaying a video signal from a transmission device to a reception device includes a control unit for detecting whether the received video signal is an AC signal output or a DC signal output, and a current pulling unit for pulling a predetermined current from the received video signal. If the received video signal is an AC signal output, the control unit is configured to control the current pulling unit to pull the predetermined current. If the received video signal is a DC signal output, the control unit is configured to control the current pulling unit to stop the pulling of current, and to transfer the video signal from the transmission device to the reception device.

A robust, reliable, and efficient UHD HDR Internet Protocol IP client device, such as a set top box, receives content, for example, from a cable service provider so that the content can be displayed to a compatible display device with improved visual effect. The content is 4K or higher content that requires UHD/HDR for a satisfactory user experience. The UHD provides for an improved resolution of the content while HDR provides for a more intense or greater contrast range of the content when displayed on a compatible display device.

Various arrangements for facilitating smart television content receivers in a local network are provided. A primary television receiver executing a first operating system can receive audio data including human voice from a voice enabled remote control. The primary television receiver can transmit the audio data to a secondary television receiver executing a second operating system and that includes a voice command component. The secondary television receiver can convert the audio data into voice command data and transmit the voice command data to the primary television receiver. The primary television receiver can transmit the voice command data to a voice processing server via the Internet and receive, in response, a command generated based on the voice command data. The primary television receiver can transmit the command to the secondary television receiver. The voice command component can then control an operation of the secondary television receiver based on the command.