The invention relates to the technical field of television, and more particularly, to a data storage framework and a television device. The television device comprises a main screen and a plurality of sub-screens. The data storage framework comprises: a processor; a basic database, and a differential database, wherein the basic database is configured to store configuration data items of the main screen; the differential database is configured to store configuration data items of the plurality of sub-screens different from those of the main screen; wherein the processor is connected to the basic database and the differential database, respectively; and during display configuration of the plurality of sub-screens, the processor combines the basic database and the differential database to form a synthetic database, and outputs the synthetic database to the plurality of sub-screens. Thus, the storage data are optimized; the storage space is saved; and lower cost is realized.

Provided are a rotatable display device and a method of displaying content using the same. The display device includes a display; and a controller configured to control the display to display first video content based on a first source, sense pivoting of the display while the first video content is displayed, and control the display, in response to the pivoting, to display second video content based on at least one second source different from the first source, the second video content being different from the first video content.

The application provides a channel switching method for a display apparatus, and a display apparatus. The display apparatus includes: a display, a remote control, a communicator, an input interface and a controller, the controller is configured to perform: receiving a channel switch instruction generated from an input number, taking the input number as a digital channel number for a first round of channel search, and determining whether a first channel corresponding to the digital channel number exists in a channel table stored in the display apparatus; in response to the first channel not existing in the channel table, further processing the input number to obtain a processed input number and taking processed input number as a physical channel number for a second round of channel search; and in response to the first channel existing in the channel table, control the display to play content from the first channel.

A method and apparatus designed to permit content providers to insert personalized content into a television signal based upon the user preferences or viewing habits.

Transmitting audio and video signals, can include: detecting if the state of a video control signal has changed, where a video signal includes the video control signal and a video data signal; generating, if the state of the video control signal has not changed, a first serial data packet based on the video signal and an audio signal; generating, if the state of the video control signal has changed, a second serial data packet based on the video signal and the audio signal; transmitting over a serial link, an encoded data frame formed by encoding the first and second serial data packets in a predetermined encoding manner; decoding and de-serializing the encoded data frame to restore the video signal and the audio signal; and outputting the video signal to a video display circuit, and outputting the audio signal to an audio processor respectively.

Provided are a rotatable display device and a method of displaying content using the same. The display device includes a display; and a controller configured to control the display to display first video content based on a first source, sense pivoting of the display while the first video content is displayed, and control the display, in response to the pivoting, to display second video content based on at least one second source different from the first source, the second video content being different from the first video content.

The video receiving apparatus is capable of transmitting and receiving data via a communications network. The video receiving apparatus includes a video extractor, a controller, a calibration executor, and an input unit to which a video signal is input. The video extractor extracts a partial video, which is to be used for video recognition processing, from the video signal. The controller controls the following operations: That is, the controller transmits, to a video recognition apparatus, either the partial video or content recognition information formed from the partial video, thereby requesting the video recognition apparatus to perform the video recognition processing. The controller acquires a result of the video recognition processing from the video recognition apparatus, and acquires the additional information based on the video recognition processing from an additional-information delivering apparatus. The calibration executor performs calibration processing in cooperation with the video recognition apparatus, thereby setting the predetermined parameter.

In an embodiment, a source video signal comprising reference code values and mapping function parameters for one or more mapping functions to map the reference code values to device-specific pixel values. The reference code values and the mapping function parameters are combined into first video frames in a first video signal format. The mapping function parameters represent DM metadata carried in the first video frames. Second video frames in a second video signal format are generated based on the first video frames in the first video signal format and a mapping between the first video signal format and the second video signal format. The second video frames are sent to a video sink device through the video link in an encoded video signal of the second video signal format.

A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

A method for transmitting and processing a broadcast signal according to an embodiment of the present invention may comprise the steps of: generating broadcast data for one or more broadcast services; generating first level signaling information comprising information describing attributes for the one or more broadcast services; generating second level signaling information comprising information for listing the one or more broadcast services; generating link layer packets comprising encoded broadcast data, the first level signaling information and the second level signaling information; and generating a broadcast signal comprising the generated link layer packets.