KR20110080024A - Digital broadcast receiver and method for providing broadcast service - Google Patents

Abstract

PURPOSE: A digital broadcast receiver and method for providing broadcast service is provided to enable a user to view a photographed video in real time at a world wide by providing a real time video selectively. CONSTITUTION: Broadcasting service information including location information which a real time video directs a photographed image from a server(S1210). A graphic user interface for selecting an photographed place is displayed and a photograph place is selected(S1230). A photographed real time video is received at a selected photographing place from the server(S1250). The receive real time video is displayed on the screen(S1260).

Description

Digital broadcast receiver and method for providing broadcast service {Digital broadcast receiver and method for providing broadcast service}

The present invention relates to a digital broadcast receiver and a broadcast service providing method, and more particularly, to a method for providing a video in a digital broadcast receiver capable of internet.

Global Positioning System (GPS) is a system that provides location, velocity, and time measurement services using satellites. GPS is capable of accurate measurement of three-dimensional position, altitude and time, can provide 24 hours of continuous service, is resistant to weather conditions, interference and interference, and uses a common coordinate system worldwide. As in the conventional radio navigation system, the user can know the exact position only by installing a dedicated receiver.

In addition, a conventional broadcast receiver transmits content produced by a broadcaster through a radio wave transmission medium such as terrestrial, cable, or satellite broadcasting, and a user views the content through a receiver capable of receiving the respective delivery media. It became.

However, as digital-based digital broadcasting technology has been developed and commercialized in existing analog broadcasting, real-time broadcasting, contents on demand, games, and news using Internet networks connected to homes in addition to existing radio waves or wired cable media. It is now possible to provide a variety of content services to the user.

An example of providing a content service using the Internet network is IPTV (Internet Protocol TV). The IPTV transmits various information services, video contents, and broadcasts through an internet network and provides them to the receiver of the user. The Internet network may be implemented on various types of networks such as an optical cable network, a coaxial cable network, a fiber to the home (FTTH), a telephone network, and a wireless network based on an Internet Protocol (IP).

In the case of the service using the Internet network as described above, unlike general terrestrial broadcasting, the interactivity may be added, and the user may watch a content service that he / she wants to see at a convenient time.

An object of the present invention is to provide a digital broadcast receiver and a broadcast service providing method for providing a real-time video photographed at various places.

Another object of the present invention is to provide a computer-readable recording medium that records a program for executing a broadcast service providing method on a computer.

In accordance with another aspect of the present invention, there is provided a broadcast service providing method according to the present invention. The broadcast service providing method in a digital broadcast receiver connected to a server for providing a broadcast service includes: Receiving broadcast service information including position information indicating, displaying a graphic user interface for selecting the photographing location and receiving the photographing location, receiving a real-time video photographed at the selected photographing location from the server; Displaying the received real-time video on the screen.

Preferably, the displaying of the graphical user interface and receiving the photographing location may include displaying a map in which an identifier is displayed on a location associated with the location information on the screen, and receiving the selection of the identifier.

Preferably, the displaying of the graphical user interface and receiving the selection of the photographing location comprises: displaying at least one region selection mark indicating an area including at least one photographing location on the screen, selecting the displayed region selection mark. And receiving at least one photographing location selection mark indicating a photographing location included in an area indicated by the selected area selection indication, and receiving the selection of the photographing location selection mark.

Preferably, the photographing location selection display may include thumbnails of the real-time video.

Preferably, the location information may be Global Positioning System (GPS) location information.

In the broadcast service providing method according to the present invention for achieving the above another technical problem, in a broadcast service providing method of a server connected to at least one mobile communication device and a digital broadcast receiver through a network to provide a broadcast service Receiving, from the mobile communication device, location information of the mobile communication device and a real-time video photographed by the mobile communication device, calculating broadcast service information based on the received location information and the received real-time video; Transmitting the calculated broadcast service information to the digital broadcast receiver, receiving a real time video transmission request for requesting the real time video transmission from the digital broadcast receiver, and transmitting the requested real time video to the digital broadcast receiver. It has a step.

Preferably, the broadcast service information may include the location information and the thumbnail of the real-time video.

Preferably, the location information may be Global Positioning System (GPS) location information.

According to another aspect of the present invention, there is provided a digital broadcast receiver according to the present invention. A network interface unit for receiving broadcast service information, a display unit for displaying a graphic user interface for selecting the photographing location, an interface unit for receiving a photographing location selection command for selecting the photographing location through the displayed graphic user interface, and And a control unit for controlling the reception of the real-time video photographed at the selected photographing location from the server and for displaying the received real-time video.

Preferably, the graphical user interface may be a map in which an identifier is displayed at a location associated with the location information. Here, when the displayed identifier is selected, the interface unit receives the photographing location selection command. The identifier may also be selected by the spatial remote controller.

Preferably, the graphical user interface displays at least one region selection mark indicating an area including at least one shooting location on the screen, and if the displayed region selection mark is selected, the region indicated by the selected region selection mark is selected. And a channel browser displaying at least one photographing location selection mark indicating a photographing location included in the photograph. The photographing location selection display may include thumbnails of the real-time video.

Preferably, the location information may be Global Positioning System (GPS) location information.

Preferably, the digital broadcast receiver may be a network TV.

According to the digital broadcasting receiver and the broadcasting service providing method according to the present invention, the mobile communication device can selectively receive and provide real-time video photographed at various places, so that the user can select the desired video among the video recorded at various places around the world. You can watch in real time.

1 is a block diagram showing the configuration of a preferred embodiment for a real-time video service providing system according to the present invention,
2 is a block diagram showing the configuration of a preferred embodiment of a mobile communication device according to the present invention;
3 is a block diagram showing the configuration of a preferred embodiment of a server according to the present invention;
4 is a block diagram showing the configuration of a preferred embodiment of a digital broadcast receiver according to the present invention;
5 and 6 are views showing the appearance of an embodiment of a spatial remote controller according to the present invention;
7 is a block diagram showing the configuration of a preferred embodiment of a spatial remote controller and an interface unit according to the present invention;
8 illustrates a screen on which a preferred embodiment of the graphical user interface according to the present invention is displayed;
9A and 9B show screens displaying another preferred embodiment of a graphical user interface in accordance with the present invention;
10 is a flowchart illustrating a process of performing an exemplary embodiment of a broadcast service providing method according to the present invention;
11 is a flowchart illustrating a process of performing another preferred embodiment of a broadcast service providing method according to the present invention;
12 is a flowchart illustrating a process of performing another preferred embodiment of a broadcast service providing method according to the present invention.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described. At this time, the configuration and operation of the present invention shown in the drawings and described by it will be described as at least one embodiment, by which the technical spirit of the present invention and its core configuration and operation is not limited.

The terms used in the present invention have been selected as general terms widely used as possible in consideration of the functions in the present invention, but may vary according to the intention or custom of a person skilled in the art or the emergence of a new technology. In addition, in certain cases, there is also a term arbitrarily selected by the applicant, in which case the meaning will be described in detail in the description of the invention. Therefore, it is intended that the terms used in the present invention should be defined based on the meanings of the terms and the general contents of the present invention rather than the names of the simple terms.

The digital broadcast receiver refers to a broadcast receiver capable of receiving digital broadcast transmitted by digital video and audio signals. Here, unlike conventional analog broadcasting, digital broadcasting refers to a broadcasting technology capable of two-way operation, reproduction, and accumulation because the television signal is compressed and exported in a digital form that encodes and records information signals. Compared to analog broadcasting, such digital broadcasting is more resistant to noise, has a lower data loss, and transmits additional error correction information, which is advantageous for error correction, and provides a high resolution and clear picture. In addition, unlike analog broadcasting, digital broadcasting is an interactive service capable of receiving a broadcasting service from a broadcasting station and providing information to the broadcasting station.

In the present invention, the digital broadcast is used as a concept that includes not only broadcasts transmitted through terrestrial waves, satellites and cables, but also broadcasts transmitted through Internet networks. That is, digital broadcasting is defined as a concept including IP (Internet Protocol) broadcasting.

In addition, in the present invention, the digital broadcast receiver includes a broadcast receiver capable of providing an Internet service to a viewer. The Internet service includes content services such as CoD (Content's on Demand), YouTube service, weather, news, local information and search, entertainment services such as games and karaoke, TV mail, TV SMS (Short Message Service), etc. It means a service that can be provided through the Internet, such as a communication service. Accordingly, in the present invention, the digital broadcast receiver includes a network TV, a web TV and a broadband TV. In addition, the broadcast service may include an internet service as well as a broadcast service provided through terrestrial, satellite, and cable.

There may be various system architectures for transmitting digital broadcasts. For example, an Internet Protocol TV (IPTV) system is a system capable of providing various contents using an Internet network, and may be largely composed of a server, a network, and a client.

The servers of the IPTV are servers that perform various functions such as service discovery and selection server, streaming server, contents guide information server, customer information server, and payment information server. It can be configured as.

Among the servers, the streaming server transmits video data encoded in the stored Moving Picture Experts Group (MPEG) 2, MPEG4, etc. to the user through a network. As a protocol for the transmission, a Real-Time Transport Protocol (RTP), a RTP Control Protocol (RTP), or the like may be used.

In case of using Real-Time Streaming Protocol (RTSP), video stream playback can be controlled to some extent through a function called network trick play such as pause, replay, and stop. . The protocols are one example and other real time transmission protocols may be used depending on the implementation.

The content guide information server is a server that provides information on the various contents provided. The content guide information is information corresponding to electronic program guide (EPG) information and includes various information about content. The content guide information server stores content guide information data, and provides the stored data to the receiver.

The information server related to service discovery and selection among the servers provides the receiver with access information, playback information, and the like, for the servers providing various content services such as broadcasting, contents on demand (COD), and games.

The network system consists of an internet based network and gateways. The Internet-based network may use various types of networks such as an optical cable network, a coaxial cable network, a fiber to the home (FTTH), a telephone network, a wireless network, and the like based on IP. In addition to general data transfer, the gateway may perform multicast group management and quality of service (QoS) management using protocols such as Internet Group Management Protocol (IGMP).

A receiver of an IPTV is a receiver capable of receiving data transmitted through an internet network and providing the same to a user. The receiver includes an IPTV settop, a homenet gateway, an IPTV embedded TV, and the like.

In the case of a hybrid IPTV system, various contents of the Internet may be provided as well as various existing broadcasting contents. That is, the user can provide various broadcasting contents such as terrestrial broadcasting, cable broadcasting, satellite broadcasting, personal broadcasting, various internet video contents, data contents other than video, and the like. The contents may be provided in real time or may be provided on demand.

1 is a block diagram showing the configuration of a preferred embodiment for a real-time video service providing system according to the present invention.

Referring to FIG. 1, the real-time video service providing system 100 according to the present invention includes a mobile communication device 112, 114, and 116, a server 120, and a digital broadcast receiver 130. The mobile communication devices 112, 114, 116, the server 120, and the digital broadcast receiver 130 may be connected through the Internet, and a separate private network communication network may be established. In addition, the mobile communication devices 112, 114, and 116 may be connected to the Internet through a wireless LAN. The wireless LAN may be a wireless LAN based on IEEE 802.11.

The mobile communication devices 112, 114, and 116 transmit the location information on which the real time video and the real time video are captured to the server 120. Here, the real time video refers to a video currently captured by the mobile communication devices 112, 114, and 116. The location information means location information of the mobile communication devices 112, 114, and 116 that are being photographed. In addition, the location information may be a global positioning system (GPS).

The server 120 receives real time video and location information from the mobile communication devices 112, 114, and 116. The server 120 generates broadcast service information that is guide information on the received real-time video, and transmits the generated broadcast service information to the digital broadcast receiver 130. The broadcast service information may be transmitted in any one of unicast, multicast, and broadcast. Here, using multicast and broadcast, the server 120 may transmit broadcast service information to a plurality of digital broadcast receivers.

The digital broadcast receiver 130 receives broadcast service information from the server 120 and requests a real time video from the server 120 based on the received broadcast service information.

2 is a block diagram showing the configuration of a preferred embodiment of a mobile communication device according to the present invention.

Referring to FIG. 2, the mobile communication device 200 according to the present invention includes a GPS receiver 210, a controller 220, a camera 230, an image processor 240, a voice receiver 250, and a voice processor 260. ), A network interface unit 270 and an interface unit 280.

The GPS receiver 210 receives GPS location information.

The interface unit 280 receives a broadcast providing instruction command from the user.

The controller 220 controls the GPS position information to be transmitted to the server 120. Here, when the interface unit 280 receives a broadcast providing instruction command, the controller 220 may control the GPS location information to be transmitted to the server 120. In addition, the controller 220 may control the GPS location information to be transmitted at a predetermined time interval while transmitting the real time video to the server 120, and control the GPS location information to be transmitted whenever the GPS location information is changed. can do.

In addition, when the broadcast providing instruction command is received, the controller 220 controls the camera unit 230 to photograph the subject and the voice receiver 250 to record the voice. The controller 220 controls the server 120 to transmit an access request. Herein, when the connection response is received from the server 120, the controller 220 may control the camera 230 to photograph the subject. The connection request may also include location information and a mobile communication device identifier for identifying the mobile communication device. The mobile communication device identifier may be any one of a product serial number and a mobile communication number of the mobile communication device, and may be a separately set ID. Can be.

The camera unit 230 photographs a subject to generate a captured image signal.

The image processor 240 generates an image signal by compressing the generated captured image signal. The image processor 240 may compress the captured image signal using H.261, H.263, and H.264 which are international standard algorithms.

In addition, the voice receiver 250 records the voice and outputs the recorded voice signal. The voice receiver 250 may be implemented as a microphone.

The voice processor 260 compresses the voice signal output by the voice receiver 250. Here, the speech processor 260 may compress the speech signal using H.261, H.263, and H.264 which are international standard algorithms.

The controller 220 controls the video signal output by the image processor 240 and the sound ray signal output by the audio processor 260 to be transmitted to the server 120 through the network interface unit 270. The controller 220 may include a synchronization controller (not shown) for controlling synchronization between the video signal and the audio signal.

The network interface unit 270 transmits the video signal output from the image processor 240 and the audio signal output from the audio processor 260 to the server 120. Here, the network interface unit 270 may access an access point (AP) using a wireless LAN protocol. In addition, the AP and the server 120 may be connected through an Integrated Services Digital Network (ISDN) and a Broadband Integrated Services Digital Network (B-ISDN).

Figure 3 is a block diagram showing the configuration of a preferred embodiment of a server according to the present invention.

Referring to FIG. 3, the server 300 according to the present invention includes a network interface unit 310, a controller 320, an image processor 330, an audio processor 340, and a storage 350.

The network interface 310 transmits and receives data to and from the mobile communication device 200 and the digital broadcast receiver 130. The network interface 310 receives a connection request, location information, and real-time video from the mobile communication device 200. The network interface unit 310 transmits an access response to the access request to the mobile communication device 200. Here, the real time video includes an image signal and a recorded audio signal photographed by the mobile communication device 200.

In addition, the network interface unit 310 transmits broadcast service information to the digital broadcast receiver 130 and receives a real-time video transmission request for requesting real-time video transmission from the digital broadcast receiver 130. The network interface 310 transmits the real-time video requested by the digital broadcast receiver 130 to the digital broadcast receiver 130.

When the access request is received from the mobile communication device 200, the controller 320 controls the access response to the access request to be transmitted to the mobile communication device 200, and receives real-time video information from the mobile communication device 20. Be prepared. That is, the controller 320 allocates a buffer area to the storage 350 to temporarily store a real-time video. The access request received here may include location information of the mobile communication device 200.

When the real time video is received from the mobile communication device 200, the controller 320 stores the received real time video in the storage 350. Here, all of the received real-time video may be stored, and a portion of the received real-time video may be stored for a preset time.

In addition, the controller 320 may calculate broadcast service information based on the location information and the real-time video received from the mobile communication device 200. The controller 320 may extract thumbnails from the received real-time video, and calculate broadcast service information by associating the extracted thumbnails with corresponding location information. In addition, the controller 320 may allocate a service identifier for each location information. That is, the broadcast service information may include location information, an identifier assigned to the location information, and a thumbnail associated with the location information. In addition, the broadcast service information may further include a mobile communication device identifier for transmitting the real-time video.

The controller 320 controls the calculated broadcast service information to be transmitted to the digital broadcast receiver 130. The broadcast service information may be transmitted in unicast, multicast, and broadcast methods. When delivered in a unicast manner, the control unit 320 may transmit to a digital broadcast receiver included in a list of pre-registered digital broadcast receivers, and when there is a request for broadcast service information from the digital broadcast receiver, the broadcast service. Information can be sent.

When the controller 320 receives a real time video transmission request for real time video transmission from the digital broadcast receiver 130, the controller 320 controls the requested real time video to be transmitted to the digital broadcast receiver 130. In this case, the real-time video transmission request may include a service identifier. The controller 320 may control the real-time video having the service identifier included in the transmission request to be transmitted to the digital broadcast receiver 130.

The image processor 330 restores the image signal output from the network interface 310. Here, the image processor 330 may reconstruct the image signal using the algorithm according to the algorithm in which the image signal is compressed. The image processor 330 may store the restored image signal in the storage 350. In this case, the video signal may be stored in the storage 350 without undergoing a restoration process.

The voice processor 340 restores the voice signal output from the network interface 310. Here, the voice processor 340 may restore the voice signal using the corresponding algorithm according to the algorithm in which the voice signal is compressed. The voice processor 340 may store the restored voice signal in the storage 350. In this case, the voice signal may be stored in the storage 350 without undergoing a restoration process.

The controller 320 may control the video signal and the audio signal received by the network interface 310 to be stored in the storage 350 without restoring the signal, and restore the video and audio signals to the storage 350. Can be stored in

4 is a block diagram showing the configuration of a preferred embodiment of a digital broadcast receiver according to the present invention.

Referring to FIG. 4, the digital broadcast receiver 400 according to another embodiment of the present invention may include a video / audio processor 401, an interface unit 450, a user input unit 455, a storage unit 460, and a display unit ( 470, a voice output unit 475, and a controller 480.

The video / audio processor 401 processes an input video signal or an audio signal to output an image or an audio signal to the display unit 470 and the audio output unit 475 of the digital broadcast receiver 400. To this end, the image / audio processor 401 may include a signal input unit 410, a demodulator 420, and a signal processor 440. In addition, the signal input unit 410 may include a tuner unit 411, an A / V input unit 412, a USB input unit 413, a wireless signal input unit 414, and a network unit 415.

The tuner 411 selects an RF broadcast signal corresponding to a channel selected by a user from among RF (Radio Frequency) broadcast signals received through an antenna, and converts the selected RF broadcast signal into an intermediate frequency signal or a baseband video or audio signal. To convert. For example, if the selected RF broadcast signal is a digital broadcast signal, it is converted into a digital IF signal (DIF). If the analog broadcast signal is converted into an analog baseband video or audio signal (CVBS SIF). That is, the tuner 411 may process a digital broadcast signal or an analog broadcast signal. The analog baseband video or audio signal CVBS SIF output from the tuner 411 may be directly input to the signal processor 440.

In addition, the tuner 411 may receive an RF broadcast signal of a single carrier according to an Advanced Television System Committee (ATSC) scheme or an RF broadcast signal of multiple carriers according to a digital video broadcasting (DVB) scheme.

According to another embodiment of the present invention, the digital broadcast receiver 400 may include at least two tuner units. When the second tuner unit includes at least two tuner units, the second tuner unit selects an RF broadcast signal corresponding to a channel selected by a user from among RF broadcast signals received through an antenna, similarly to the first tuner unit, and intermediates the selected RF broadcast signal. Convert to frequency signal or baseband video or audio signal.

In addition, the second tuner may sequentially select the RF broadcast signals of all the broadcast channels stored through the channel memory function among the received RF broadcast signals and convert them into intermediate frequency signals or baseband video or audio signals. The second tuner may periodically perform conversion of all broadcast channels. Accordingly, the digital broadcast receiver 400 may display images of the broadcast signal converted through the first tuner unit and provide images of various channels converted through the second tuner unit in the form of thumbnails. In this case, the first tuner converts the main RF broadcast signal selected by the user into an intermediate frequency signal or a baseband video or audio signal, and the second tuner selects all RF broadcast signals except for the main RF broadcast signal sequentially / periodically. This may be converted into an intermediate frequency signal or a baseband video or audio signal.

The demodulator 420 receives the digital IF signal DIF converted by the tuner 411 and performs a demodulation operation. For example, when the digital IF signal output from the tuner 411 is an ATSC scheme, the demodulator 420 performs 8-VSB (8-Vestigal Side Band) demodulation. As another example, when the digital IF signal output from the tuner 411 is a DVB scheme, the demodulator 420 performs coded orthogonal frequency division modulation (COFDMA) demodulation.

In addition, the demodulator 420 may perform channel decoding. To this end, the demodulator 420 includes a trellis decoder, a de-interleaver, a reed solomon decoder, and the like. Soloman decryption can be performed.

The demodulator 420 may output a stream signal TS after performing demodulation and channel decoding. In this case, the stream signal may be a signal multiplexed with a video signal, an audio signal, or a data signal. For example, the stream signal may be an MPEG-2 Transport Stream (TS) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, and the like. Specifically, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

The stream signal output from the demodulator 420 may be input to the signal processor 440. After performing the demultiplexing and the signal processing, the signal processor 440 outputs an image to the display unit 470 and outputs an audio signal to the audio output unit 475.

In addition, in the case of a digital broadcast receiver having at least two tuners, a number of demodulators corresponding thereto may be provided. The demodulator may be provided separately according to the ATSC scheme and the DVB scheme.

In addition, the signal input unit 410 may connect an external device to the digital broadcast receiver 400. The external device refers to various types of video or audio output devices such as a digital versatile disk (DVD), a Blu-ray, a game device, a camcorder, a computer (laptop), and the like. In addition, the external device may be a device connected through the Internet, and for example, the external device may be the server 300. The signal input unit 410 inputs an image, audio or data signal of an external device to the signal processor 440 capable of processing the video signal and the audio signal of the digital broadcast receiver 400.

The A / V input unit 412 of the signal input unit 410 is an Ethernet terminal, a USB terminal, and Composite Video Banking Sync to input video and audio signals of an external device to the digital broadcast receiver 400. ) Terminal, component terminal, S-video terminal (analog), DVI (Digital Visual Interface) terminal, HDMI (High Definition Multimedia Interface) terminal, RGB terminal, D-SUB terminal, IEEE 1394 terminal, SPDIF terminal, Liquid HD terminals and the like. The analog signal input through the CVBS terminal and the S-video terminal may be converted into a digital signal and input to the signal processor 440. The digital signal input through other input terminals may be input to the signal processor 440 without performing an analog / digital conversion process.

The USB input unit 413 may input a video and audio signal through a USB terminal.

The wireless signal inputter 414 may connect the digital broadcast receiver 400 to a wireless network. The digital broadcast receiver 400 may be connected to the wireless Internet through the wireless signal input unit 414. For wireless Internet access, wireless LAN (Wi-Fi), wireless broadband (Wibro), world interoperability for microwave access (Wimax), high speed downlink packet access (HSDPA) communication standards, and the like may be used. In addition, the wireless signal input unit 414 may perform near field communication with another electronic device. For example, it may be networked with other electronic devices according to Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee communication standards.

In addition to the wireless signal input unit 414, via an Ethernet terminal, or the signal input unit 410 further includes a network unit (not shown) for efficient network connection and management, the network unit (not shown) The broadcast receiver 400 may be connected to a network through a PSTN, a LAN, a cable, or the like.

Meanwhile, the signal input unit 410 may be connected through at least one of the various set top boxes and the various terminals described above to perform input / output operations with the set top box. For example, when the set-top box is a set-top box for an Internet Protocol (IP) TV, video, audio, and data signals processed by the set-top box for IPTV may be transmitted to the controller 480 to enable bidirectional communication. The signal processed by the controller 480 may be transferred to the set-top box for IPTV.

Therefore, the digital broadcast receiver according to the present invention can process signals transmitted through wired and wireless networks, as well as broadcast signals through radio waves and signals from external input devices. For example, the signal input unit 410 may receive broadcast service information and a real time video from the server 300.

The signal processor 440 may demultiplex the received stream signal, for example, the MPEG-2 TS, and divide the received stream signal into a video signal, an audio signal, and a data signal, respectively. In addition, the signal processor 440 may perform image processing of the demultiplexed image signal. For example, when the demultiplexed video signal is an encoded video signal, it may be decoded. Specifically, when the demultiplexed video signal is an encoded video signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder. In addition, when the demultiplexed video signal is a video signal of the H.264 standard according to the Digital Multimedia Broadcasting (DMB) scheme or DVB-H, it may be decoded by the H.264 decoder.

In addition, the signal processor 440 may process brightness, tint and color of the image signal. The image signal processed by the signal processor 440 is displayed on the display 470. In addition, the signal processor 440 may perform voice processing of the demultiplexed voice signal. For example, if the demultiplexed speech signal is a coded speech signal, it can be decoded. Specifically, when the demultiplexed speech signal is an encoded speech signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder. In addition, when the demultiplexed speech signal is an encoded speech signal of MPEG 4 Bit Sliced Arithmetic Coding (BSAC) standard according to the terrestrial digital multimedia broadcasting (DMB) scheme, it may be decoded by an MPEG 4 decoder. In addition, when the demultiplexed speech signal is an encoded audio signal of the AAC (Advanced Audio Codec) standard of MPEG 2 according to the satellite DMB scheme or DVB-H, it may be decoded by the AAC decoder.

In addition, the signal processor 440 may process base, treble, and volume control.

The voice signal processed by the signal processor 440 is output to the voice output unit 475. In addition, the signal processor 440 may perform data processing of the demultiplexed data signal. For example, when the demultiplexed data signal is an encoded data signal, it may be decoded. The encoded data signal may be EPG (Electronic Program Guide) information including broadcast information such as a start time and an end time of a broadcast program broadcasted in each channel. For example, the EPG information may be ATSC-PSIP (ATSC-Program and System Information Protocol) information in the case of the ATSC scheme, and may include DVB-Service Information (DVB-SI) in the case of the DVB scheme. . The ATSC-PSIP information or the DVB-SI information may be information included in the aforementioned stream, that is, the header (4 bytes) of the MPEG-2 TS.

In addition, the signal processor 440 may perform OSD (On Screen Display) processing. In detail, the signal processor 440 may display the screen of the display unit 470 based on an image signal processed by the image, at least one of the data signal processed by the data signal, and a user input signal input to the remote controller 500. Menus and various types of information can be displayed on a graphic or text. The remote control device 500 may be a space remote control.

The storage unit 460 may store a program for processing and controlling each signal in the control unit 480, or may store a signal processed video signal, an audio signal, or a data signal. In addition, the storage unit 460 may perform a function for temporarily storing an image, audio, or data signal input to the signal input unit 410.

The storage unit 460 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), It may include at least one type of storage medium such as RAM, ROM (EEPROM, etc.). The digital broadcast receiver 400 may reproduce a file (video file, still image file, music file, document file, etc.) stored in the storage unit 460 and provide the same to the user.

The controller 480 controls overall operations in the digital broadcast receiver 400. The controller 480 may receive a signal transmitted from the remote control apparatus 500 through the interface unit 450. The remote control device 500 may be a space remote control.

The controller 480 determines a command input by the user to the remote control apparatus 500 through the received signal and controls the digital broadcast receiver 400 to correspond thereto. For example, when a user inputs a predetermined channel selection command, the controller 480 controls the tuner 411 such that the selected channel is input through the signal input unit 410. In addition, the signal processor 440 is controlled to process the video signal and the audio signal of the selected channel. In addition, the signal processor 440 is controlled so that the channel information selected by the user can be output through the display unit 470 or the audio output unit 475 together with the processed image signal and the audio signal.

As another example, the user may input another type of video or audio output command through the remote control apparatus 500. That is, the user may want to watch a camera or camcorder video signal input through the USB input unit 413 instead of the broadcast signal. In this case, the control unit 480 processes the video signal or the audio signal input through the USB input unit 413 of the signal input unit 410 through the signal processing unit 440 and controls the display unit 470 or the audio output unit 475. The video / audio processor 401 may be controlled to be output through the control unit.

As another example, the user may select the specific region in which the pointer is located to position the pointer in the specific region of the graphic user interface displayed on the screen through the remote control apparatus 500.

The controller 480 may determine the user command input to the user input unit 455 formed in the digital broadcast receiver 400 in addition to the command input through the remote control apparatus 500 and control the digital broadcast receiver 400 to correspond thereto. Can be. For example, the user may input an on / off command, a channel change command, a volume change command, or the like of the digital broadcast receiver 400 through the user input unit 455. The user input unit 455 may be formed of a button or a key formed in the digital broadcast receiver 400. The controller 480 may determine whether the user input unit 455 is manipulated and control the digital broadcast receiver 400 accordingly.

The controller 480 may control to receive broadcast service information from the server 300, generate a graphic user interface based on the received anti-speech service information, and control the generated graphic user interface to be displayed on the screen. Here, the graphical user interface may be a channel browser or a map.

5 and 6 is a view showing the appearance of an embodiment of a spatial remote control according to the present invention.

5 and 6, the moving speed or the moving direction of the pointer 502 displayed on the screen of the digital broadcast receiver 400 may correspond to the moving speed or the moving direction of the spatial remote controller 501. According to an embodiment of the present invention, the pointer 502 is set to move in response to the operation of the spatial remote controller 501. According to another embodiment of the present invention, in response to the operation of the spatial remote controller 501, a predetermined command may be input to the digital broadcast receiver 400. For example, when the spatial remote controller 501 moves back and forth, the size of the image displayed on the digital broadcast receiver 400 may be enlarged or reduced. According to another embodiment of the present invention, the graphic displayed on the digital broadcast receiver 400 may be dragged in response to the movement of the spatial remote controller 501.

On the other hand, when the pointer 502 moves or stops for a predetermined time only within a specific region of a menu (indicated by 'a' in FIGS. 5 and 6), the controller 480 may perform a function corresponding to the specific region ( function) can be executed automatically or focused.

Thus, according to one embodiment of the present invention, by managing the space remote control and the menu correspondingly, there is an advantage that can improve the user's convenience and simplify the procedure of using the remote control.

7 is a block diagram showing the configuration of a preferred embodiment of the spatial remote controller and the interface unit according to the present invention.

Referring to FIG. 7, the spatial remote controller 501 may include a wireless communication unit 520, a user input unit 530, a sensor unit 540, an output unit 550, a power supply unit 560, a storage unit 570, and The controller 580 may be included.

The wireless communication unit 520 transmits and receives a signal with the digital broadcast receiver 400. According to an embodiment of the present invention, the spatial remote controller 501 is provided with an RF module 521 capable of transmitting and receiving signals to and from the interface unit 450 of the digital broadcast receiver 400 according to the RF communication standard. In addition, the spatial remote controller 501 may include an IR module 523 capable of transmitting and receiving a signal with the interface unit 450 of the digital broadcast receiver 400 according to the IR communication standard.

According to an embodiment of the present invention, the spatial remote controller 501 transmits a signal including information on the operation of the spatial remote controller 501 to the digital broadcast receiver 400 through the RF module 521. In addition, the spatial remote controller 501 may receive a signal transmitted from the digital broadcast receiver 400 through the RF module 521. In addition, the spatial remote controller 501 transmits a command regarding power on / off, channel change, volume change, etc. to the digital broadcast receiver 400 through the IR module 523 as necessary.

The user input unit 530 may be configured as a keypad or a button. The user may manipulate the user input unit 530 to input a command related to the digital broadcast receiver 400 with the spatial remote controller 501. When the user input unit 530 includes a hard key button, the user may input a command related to the digital broadcast receiver 400 to the spatial remote controller 501 through a push operation of the hard key button. When the user input unit 530 includes a touch screen, the user may input a command related to the digital broadcast receiver 400 to the spatial remote controller 501 by touching a soft key of the touch screen. In addition, the user input unit 530 may include various kinds of input means that the user can operate, such as a scroll key and a jog key.

The sensor unit 540 may include a gyro sensor 541 or an acceleration sensor 543. The gyro sensor 541 may sense information about an operation of the spatial remote controller 501. For example, the gyro sensor 541 may sense information about an operation of the spatial remote controller 501 based on the x, y, and z axes. The acceleration sensor 543 may sense information about a moving speed of the spatial remote controller 501.

The output unit 550 may output a video or audio signal corresponding to an operation of the user input unit 530 or corresponding to a signal transmitted from the digital broadcast receiver 400. The user may recognize whether the user input unit 530 is manipulated or whether the digital broadcast receiver 400 is controlled through the output unit 550.

According to an embodiment of the present invention, the output unit 550 is an LED module 551 that is turned on when the user input unit 530 is manipulated or a signal is transmitted and received with the digital broadcast receiver 400 through the wireless communication unit 520, A vibration module 553 for generating vibration, a sound output module 555 for outputting sound, or a display module 557 for outputting an image may be provided.

The power supply unit 560 supplies power to the space remote controller 501. When the space remote controller 501 does not move for a predetermined time, the power supply unit 560 may reduce power waste by stopping power supply. The power supply unit 560 may resume power supply when a predetermined key included in the space remote controller 501 is operated.

The storage unit 570 may store various types of programs, application data, and the like required for controlling or operating the spatial remote controller 501. If the spatial remote controller 501 transmits and receives a signal wirelessly through the digital broadcast receiver 400 and the RF module 521, the spatial remote controller 501 and the digital broadcast receiver 400 transmit and receive signals through a predetermined frequency band. do. The control unit 580 of the spatial remote control unit 501 stores information on a frequency band or the like capable of wirelessly transmitting and receiving signals with the digital broadcast receiver 400 paired with the spatial remote control unit 501 to the storage unit 570. Can be stored and referenced.

The controller 580 controls various matters related to the control of the spatial remote controller 501. The control unit 580 receives a signal corresponding to a predetermined key operation of the user input unit 530 or a signal corresponding to an operation of the spatial remote controller 501 sensed by the sensor unit 540 through the wireless communication unit 520 through the digital broadcast receiver ( It may be transmitted to the interface unit 450 of 400.

The interface unit 450 of the digital broadcast receiver 400 includes a wireless communication unit 451 capable of transmitting and receiving a signal wirelessly with the spatial remote controller 501, a coordinate value calculator 454, a display module 455, and a determination. Module 456, control module 457, and so forth. The wireless communication unit 451 may include an RF module 452 and an IR module 453.

The interface unit 450 may transmit / receive a signal wirelessly with the spatial remote controller 501 through the RF module 452. In addition, the IR module 453 may receive a signal transmitted by the spatial remote controller 501 according to the IR communication standard.

The display module 455 divides some screens of the entire screen of the digital broadcast receiver 400 into at least two control areas, and each of the control areas is assigned to each function unique to the digital broadcast receiver. The corresponding menu is displayed.

The wireless communication unit 451 or a receiving module (not shown) receives a pointing signal from the spatial remote controller 501.

The determination module 456 determines whether the received pointing signal is recognized within a specific control area within the displayed menu.

When the control module 457 is recognized within a range within the specific control area, the control module 457 controls to activate a specific function corresponding to the specific control area among functions unique to the digital broadcast receiver.

Furthermore, the display module 455 may simultaneously display the control area and a summary description of each function corresponding to the control area. In addition, the determination module 456 recognizes in the range within the specific control area only when the received pointing signal is stationary or has mobility for a predetermined time only in the range within the specific control area in the displayed menu. It can be considered as the case. Alternatively, the determination module 456 may be configured to apply a specific button signal (for example, a 'confirmation' button signal) when the received pointing signal is located within a range within a specific control area of the displayed menu. It can be regarded as a case where it is recognized within a range within the specific control area.

Each function unique to the digital broadcast receiver 400 may correspond to at least one or more of channel number, audio size, and genre information. Therefore, according to an embodiment of the present invention, by using the above-described spatial remote control and menu, it is possible to more easily control the selection, editing and various functions of numerous channels of digital broadcasting.

Meanwhile, according to another exemplary embodiment of the present invention, the coordinate value calculator 454 corrects an error due to hand shaking from a signal corresponding to an operation of the spatial remote controller 501 received through the wireless communication unit 451. The coordinate values (x, y) of the pointer 502 to be displayed on the display unit 470 may be calculated.

The transmission signal of the spatial remote controller 501 input to the digital broadcast receiver 400 through the interface unit 450 is transmitted to the controller 480 of the digital broadcast receiver 400. The controller 480 may determine the information regarding the operation and the key operation of the spatial remote controller 501 from the signal transmitted from the spatial remote controller 501, and control the digital broadcast receiver 400 correspondingly.

Furthermore, according to another embodiment of the present invention, the spatial remote controller 501 may calculate a pointer coordinate value corresponding to the operation of the spatial remote controller and output the pointer coordinate value to the interface unit 450 of the digital broadcast receiver 400. . In this case, the interface unit 450 of the digital broadcast receiver 400 may transmit the information about the received pointer coordinate value to the controller 480 without a separate hand shake or error correction process.

8 is a diagram illustrating a screen on which a preferred embodiment of the graphical user interface according to the present invention is displayed.

Referring to FIG. 8, the display unit 470 may display a map 800 on which an identifier 810 is displayed at a location associated with location information included in broadcast service information on a screen. The user may move the pointer 802 to the identifier 810 using the spatial remote controller 501. If the pointer is located at the identifier 810 for a predetermined time or more, the controller 480 may consider that the identifier 810 is selected. In addition, when a signal ('OK' button signal) of a specific button included in the spatial remote controller 501 is input while the pointer 802 is located at the identifier 810, the controller 480 may select the identifier 810. Can be considered.

When any one of the identifiers displayed on the map 800 is selected, the controller 480 may consider that the photographing location indicated by the location information associated with the selected identifier is selected. In addition, when the photographing location is selected, the controller 480 may control the real-time video transmission request for requesting the real-time video photographed at the selected photographing location to be transmitted to the server 300.

9A to 9B illustrate screens on which another preferred embodiment of a graphical user interface according to the present invention is displayed.

9A to 9B, the display unit 470 may display the channel browser 900 on the screen. The channel browser 900 displays an area selection display 912 indicating an area in which the photographing location indicated by the location information included in the broadcast service information is included. Here, the regional selection mark may indicate a specific country and may indicate a corresponding administrative region of a specific country.

The user may move the pointer 902 to the area selection display 912 using the spatial remote controller 501. Here, when the pointer 904 is positioned on the area selection display 912 for a preset time or more, the controller 480 may consider that the area selection display 912 is selected. In addition, when a signal of a specific button ('confirmation' button signal) provided in the spatial remote controller 501 is input while the pointer 802 is positioned on the region selection display 912, the controller 480 may display the region selection display ( 912 can be considered as selected.

If any region selection mark is selected among the region selection marks displayed on the channel browser 900, the channel browser 900 displays at least one shooting position selection mark 922 indicating a photographing location included in the region indicated by the selected region selection mark. ) Can be displayed. Here, the photographing location selection display may include thumbnails of real-time video photographed at the photographing location indicated by the photographing location selection display.

The user may move the pointer 904 to the photographing location selection display 922 using the spatial remote controller 501. Here, when the pointer is positioned on the photographing place selection mark 922 for a predetermined time or more, the controller 480 may consider that the photographing place selection mark 922 is selected. In addition, when a signal of a specific button ('confirmation' button signal) provided in the spatial remote controller 501 is input while the pointer 904 is positioned on the photographing location selection display 922, the controller 480 may display a photographing location selection display ( 904 may be considered as selected.

When any one of the photographing place selection marks is selected from among the photographing place selection marks displayed on the channel browser 900, the controller 480 may consider that the photographing place indicated by the location information associated with the selected photographing place selection mark is selected. In addition, when the photographing location is selected, the controller 480 may control the real-time video transmission request for requesting the real-time video photographed at the selected photographing location to be transmitted to the server 300.

10 is a flowchart illustrating a process of performing a preferred embodiment of a method for providing a broadcast service according to the present invention.

Referring to FIG. 10, the mobile communication device 200 receives a broadcast providing instruction command (S1000).

The mobile communication device 200 transmits a connection request to the server 300 (S1010). Herein, the mobile communication device 200 may transmit a connection request including location information and a mobile communication device identifier.

The mobile communication device 200 checks whether it is connected to the server 300 (S1020). Herein, the mobile communication device 200 may check whether the mobile communication device 200 is connected according to whether a connection response to the connection is received from the server 300.

When connected to the server 300, the mobile communication device 200 captures an image of a subject, records a voice, and generates a real-time video (S1030). Here, the camera unit 230 captures a subject to generate a captured image signal, and the image processor 240 compresses the generated captured image signal to generate an image signal. In addition, the voice receiver 250 records the voice and outputs the recorded voice signal, and the voice processor 260 compresses the voice signal. In addition, the GPS receiver 210 receives GPS location information.

The mobile communication device 200 transmits the GPS location information and the captured real-time video to the server 300 (S1040).

The mobile communication device 200 checks whether a broadcast stop signal is received (S1050). When the broadcast providing stop command is received, the mobile communication device 200 stops transmitting GPS location information and real-time video.

11 is a flowchart illustrating a process of performing another preferred embodiment of the broadcast service providing method according to the present invention.

Referring to FIG. 11, the server 300 receives a connection request from the mobile communication device 200 (S1100). The access request may include a mobile communication device identifier and location information. The mobile communication device identifier may be any one of a product serial number and a mobile communication number of the mobile communication device 200.

The server 300 transmits an access response to the received access request to the mobile communication device 200 (S1110).

The server 300 receives the location information and the real-time video from the mobile communication device 200 (S1120). The real time video may be a video being taken by the mobile communication device 200.

The server 300 generates a thumbnail of the received real-time video (S1130).

The server 300 generates broadcast service information based on the received location information and the generated thumbnail (S1140). The broadcast service information includes location information, a service identifier, a mobile communication device identifier, and a thumbnail.

The server 300 transmits the generated broadcast service information to the digital broadcast receiver 400 (S1150).

The server 300 checks whether a real-time video transmission request for requesting a real-time video transmission is received from the digital broadcast receiver (S1160).

If a real-time video transmission request is received, the server 300 transmits the requested real-time video to the digital broadcast receiver 400 (S1170).

12 is a flowchart illustrating a process of performing another preferred embodiment of a broadcast service providing method according to the present invention.

Referring to FIG. 12, the digital broadcast receiver 400 receives a broadcast service information request command for requesting guide information about a real-time video from a user (S1200).

The digital broadcast receiver 400 receives broadcast service information from the server 300 (S1210). The broadcast service information may include location information, a service identifier, a mobile communication device identifier, and a thumbnail. The location information indicates the photographing location where the real-time video is captured, the service identifier is a value for identifying the real-time video, and the thumbnail may be extracted from the real-time video. The mobile communication device identifier may be any one of a product serial number and a mobile communication number, and may be a user ID assigned to a user of the mobile communication device.

 The digital broadcast receiver 400 displays a graphic user interface for selecting a photographing location (S1220). The graphic user interface may be a map in which an identifier is displayed at a location associated with location information included in broadcast service information. The graphical user interface may also display at least one region selection mark on the screen indicating the region containing the location where the live video was captured, and when the displayed region selection mark is selected, the selected region selection mark is included in the region indicated. The channel browser may display at least one photographing location selection mark indicating a photographing location.

The digital broadcast receiver 400 checks whether a photographing location is selected by the user (S1230). Here, when the identifier displayed on the map displayed on the screen is selected, the digital broadcast receiver 400 may consider that the photographing location indicated by the location information associated with the selected identifier is selected. In addition, when the photographing place selection mark displayed on the screen is selected, the digital broadcasting receiver 400 may consider that the photographing place associated with the selected photographing place selection mark is selected.

The digital broadcast receiver 400 transmits a real-time video transmission request for requesting a real-time video photographed at the selected photographing location to the server 300 (S1240).

The digital broadcast receiver 400 receives a real time video from the server 300 (S1250).

The digital broadcast receiver 400 displays the received real-time video (S1260).

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer apparatus is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the above-described specific preferred embodiments, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes are within the scope of the claims.

Claims (16)

A broadcast service providing method in a digital broadcast receiver connected to a server providing a broadcast service,
Receiving broadcast service information including location information indicating a location where a real-time video was captured from the server;
Displaying a graphic user interface for selecting the photographing location and receiving the photographing location;
Receiving a real-time video photographed at the selected photographing location from the server; And
Displaying the received real-time video on the screen; broadcasting service providing method comprising a. The method of claim 1,
Displaying the graphical user interface and receiving the selection of the photographing location,
Displaying a map in which an identifier is displayed on a location associated with the location information on a screen; And
Receiving the identifier; and providing a broadcast service. The method of claim 1,
Displaying the graphical user interface and receiving the selection of the photographing location,
Displaying at least one region selection mark indicating a region including at least one photographing location on a screen;
Receiving the displayed area selection mark;
Displaying at least one photographing location selection indication indicating a photographing location included in the area indicated by the selected area selection indication; And
And receiving the selection of the photographing location selection mark. The method of claim 3, wherein
The photographing location selection display comprises a thumbnail of the real-time video. The method of claim 1,
The location information is a GPS service providing method, characterized in that the GPS (Global Positioning System) location information. A broadcast service providing method of a server connected to at least one mobile communication device and a digital broadcast receiver through a network to provide a broadcast service,
Receiving location information of the mobile communication device and a real-time video photographed by the mobile communication device from the mobile communication device;
Calculating broadcast service information based on the received location information and the received real-time video;
Transmitting the calculated broadcast service information to the digital broadcast receiver;
Receiving a real-time video transmission request for requesting the real-time video transmission from the digital broadcast receiver; And
And transmitting the requested real-time video to the digital broadcast receiver. The method of claim 6,
The broadcast service information is a broadcast service providing method comprising the location information and the thumbnail of the real-time video. The method of claim 6,
The location information is a GPS service providing method, characterized in that the GPS (Global Positioning System) location information. A digital broadcast receiver connected to a server providing a broadcast service,
A network interface unit for receiving broadcast service information including location information indicating a location where a real-time video was captured from the server;
A display unit which displays a graphic user interface for selecting the photographing location;
An interface unit configured to receive a photographing location selection command for selecting the photographing location through the displayed graphical user interface; And
And a controller configured to control reception of a real-time video photographed at the selected location from the server and to display the received real-time video. The method of claim 9,
And the graphical user interface is a map in which an identifier is displayed at a location associated with the location information. The method of claim 10,
The interface unit includes:
And if the displayed identifier is selected, receiving the photographing location selection command. 12. The method of claim 11,
And the identifier is selected by a spatial remote controller. The method of claim 9,
The graphical user interface displays at least one region selection mark indicating an area including at least one photographing location on a screen, and when the displayed region selection mark is selected, the graphical user interface is included in the region indicated by the selected region selection mark. And a channel browser displaying at least one shooting location selection mark indicating a shooting location. The method of claim 12,
And the photographing location selection display comprises a thumbnail of the real-time video. The method of claim 9,
The position information is a digital broadcasting receiver, characterized in that the GPS (Global Positioning System) position information. The method of claim 9,
And the digital broadcast receiver is a network TV.

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