The embodiment of the disclosure discloses a method for processing data, a device for processing data, a system for processing data, a system controller and a mudure controller. The method includes: receiving input image data; storing the image data into a memory; reading target image data from the memory according to loaded area information of at least one output portal, wherein the output portal is electrically connected with a display screen, and the loaded area information of the output portal characterizes a target display area of the display screen; compressing the target image data to reduce the data volume of the target image data to meet a output bandwidth of the output portal to obtain compressed image data characterized by a plurality of image data packets; and outputting the compressed image data through the output portal.

A display device including a display; a first external interface configured to be connected to a first external device; a second external interface configured to be connected to a second external device; and a controller configured to display, on the display, an external source list menu including first connection port information for identifying the first external interface and second connection port information for identifying the second external interface, receive a first image content from the first external device connected to the first external interface, and display, on the external source list menu, a first moving image obtained from the first image content after receiving a first capture start signal until receiving a second capture end signal from a remote controller, wherein the first moving image is displayed on a first position corresponding to the first connection port information identifying the first external interface in the external source list menu, and receive a second image content from the second external device connected to the second external interface, and display, on the external source list menu, a second moving image obtained from the second image content after receiving a third capture start signal until receiving a fourth capture end signal from the remote controller, wherein the second moving image is displayed on a second position corresponding to the second connection port information identifying the second external interface in the external source list menu.

To satisfactorily transmit uncompressed RAW data between devices. A transmission unit transmits uncompressed RAW data to an external device via an HDMI transmission path. For example, the uncompressed RAW data is uncompressed RAW data in a Bayer layout. Furthermore, for example, the bit depth of each pixel of the uncompressed RAW data is 16 bits, and the transmission unit transmits the uncompressed RAW data using the YC 12 bit transfer mode. For example, the transmission unit transmits metadata related to the uncompressed RAW data together with the uncompressed RAW data.

An electronic device comprises: a plurality of scalers for processing respective images of a plurality of content received from a plurality of sources devices; and a processor configured to change information on whether at least one scaler of the plurality of scalers supports high dynamic range (HDR) when a request for simultaneously displaying the plurality of content is received.

A display device according to an embodiment of the present invention can comprise: a display unit; an external device interface unit for exchanging information with a set-top box; and a control unit which receives set-top box information from the set-top box by means of the external device interface unit, determines whether or not a high definition multimedia interface-consumer electronics control (HDMI-CEC) function is turned on on the basis of the received set-top box information, and automatically turns on an HDMI-CEC function of the display device if the HDMI-CEC function is turned on.

The present disclosure provides a method of controlling a high-definition multimedia interface (HDMI). The method includes: reading, by a source device, extended display identification data (EDID) of a sink device when the sink device and the source device are connected; writing information about the source device in a status and control data channel (SCDC) structure; and reading, by the source device, the EDID again based on a predetermined field value included in the SCDC structure.

Apparatus, systems, and methods are disclosed for cancellation and content recognition of audio received over a High-Definition Multimedia Interface (HDMI)/Audio Return Channel (ARC) port of a display device. The media device receives audio over the HDMI/ARC port from the display device, processes the audio by identifying, decoding, re-encoding, and fingerprinting the audio with identification information, and subsequently streams the audio within the media streaming environment, including to external speakers, such as voice-enabled speakers. Based on the identification information and recognized content of the processed audio, the media device offers additional content for streaming to a user. The media device continuously monitors for spoken voice received over a voice-enabled speaker while the media device simultaneously receives, processes, and streams audio from the display device. By cancelling the part of the streaming audio received simultaneously with the spoken voice received, the media device enables the voice-enabled speaker to distinguish a voice command.

In accordance with increasing communication demand, means for efficiently providing mass downstream communication at a low cost are desired. Accordingly, a communication system providing supplemental downlink as well as multicast communication comprising a display control device for causing a display unit to display a video, and a communication terminal having an image capturing unit for directly capturing the video displayed by the display unit or capturing a video projected or reflected on a wall surface or the like is provided, wherein the display control device includes a video acquiring unit, a region identification unit, a video generating unit, and a display control unit, and the communication terminal includes a region identification unit, a decoding unit, and a mechanism for communicating a control signal for supplemental downlink by the above-described optical communication using means other than optical communication (means such as WiFi, mobile data communication or the like).

Systems and methods for optical data interconnection are described. One aspect includes a first signal converter that converts first high-speed HDMI electrical signals into high-speed HDMI optical signals, and transmits the optical signals over a first optical communication channel. A second signal converter encodes first low-speed HDMI electrical signals, converts these encoded signals into low-speed HDMI optical signals, and transmits these optical signals over a second optical communication channel. A third signal converter receives the high-speed HDMI optical signals, and converts these optical signals to second high-speed HDMI electrical signals. A fourth signal converter receives the low-speed HDMI optical signals, converts these optical signals to second low-speed HDMI electrical signals, and decodes the second low-speed HDMI electrical signals.

A communication system detects a state of a connected television. The communication system receives a request to establish a communication session with a local communication device via a network. The communication system outputs a reference audio signal to a locally connected audio output device. The communication system captures an ambient audio signal from a local microphone and compares the reference audio signal and the ambient audio signal to determine if the reference audio signal and the ambient audio signal match by meeting a similarity threshold. initiates an action with respect to the communication session based on the comparison.