Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/76—Television signal recording
  • H04N5/91—Television signal processing therefor
  • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
  • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal

Definitions

• Apparatuses and methods consistent with the present invention relate to backing up broadcast files, and more particularly, to backing up broadcast files, wherein broadcast files stored in a digital broadcast reception device are backed up on a storage device having a large storage capacity, and are executed from the storage device.
• FIG. 1 is a block diagram of a related art digital broadcast reception device 100 which can store a broadcast program.
• the digital broadcast reception device 100 includes a tuner and demodulator unit 110, a demultiplexing unit 120, a signal processing unit 130, a synchronization unit 140, a storage unit 150, a user interface unit 160, and a control unit 170.
• the signal processing unit 130 includes an audio/video (A/V) signal processor 132, an application information processor 134, and an electronic program guide (EPG) information processor 136.
• a transport stream input to a digital broadcast reception device is encoded according to predetermined broadcasting standards.
• a broadcast program transport stream into which a plurality of transport streams generated by a plurality of broadcasting stations are multiplexed is received by a broadcast reception device via a single channel band.
• a broadcast program transport stream includes A/V signals produced by a broadcasting station, application information, which is an application program for providing various additional services related to the A/V signals to viewers, and EPG information for helping viewers choose broadcast programs to watch.
• application information which is an application program for providing various additional services related to the A/V signals to viewers
• EPG information for helping viewers choose broadcast programs to watch.
• the application information and EPG information are included in a predetermined portion of a data stream.
• the tuner and demodulator unit 110 receives a broadcast program transport stream input to the digital broadcast reception device 100 via an antenna ANT, demodulates the broadcast program transport stream, and transmits the demodulated result to the de- EPG information from the broadcast program transport stream transmitted by the tuner and demodulator unit 110 and transmits the A/V signals, the application information, and the EPG information to the A/V signal processor 132, the application information processor 134, and the EPG information processor 136.
• the A/V signal processor 132 processes the A/V signals received from the demultiplexing unit 120, thereby generating an A/V file. More specifically, the A/V signal processor 132 may delete some of the received A/V signals that are set not to be stored according to a user's settings via the user interface unit 160, and packages the rest of the received A/V signals as an A/V file.
• the generation of the A/V file may be characterized as converting a set of A/V signals having a transport stream format into an A/ V file having a typical file format.
• the application information processor 134 processes the application information received from the demultiplexing unit 120, thereby generating an application file having a file format.
• the generation of the application file may be interpreted as converting application information in a transport stream format that is mapped according to broadcasting standards into an application file having a related art file format.
• the EPG information processor 136 processes the EPG information received from the demultiplexing unit 120, thereby generating an EPG file.
• the generation of the EPG file may be characterized as converting EPG information in a transport stream format that is mapped according to broadcasting standards into an EPG file having a related art file format.
• the EPG file may be an XML file or a metadata-type file according to the Movie Picture Video (MPV) standard used.
• MPV Movie Picture Video
• the EPG information processor 136 deletes unnecessary portions of the received EPG information having a transport stream format and adds additional information, if any, to the remainder of the received EPG information.
• the additional information may be storage date/time information and storage device information.
• the storage date/time information may be inserted into a predetermined portion of the EPG information with reference to time information provided by a timer (not shown) connected to the control unit 170.
• EPG 150 may be inserted into a predetermined portion of the EPG information.
• the synchronization unit 140 receives the A/V file, the application file, and the
• the synchronization unit 140 synchronizes the A/V file, the application file, and the EPG file with one another, which will be described in detail.
• the synchronization unit 140 sets storage information for each of the A/V file and the application file and adds the storage information for the A/V file and the application file to the EPG file.
• the storage information for the A/V file and the application file specifies the locations of directories in which the A/V file and the application file are respectively stored and the names of the A/V file and the application file.
• the A/V file and the application file stored in the synchronization unit 140 constitute a broadcast data file, and the EPG file including the storage information for the A/V file and the application file is stored in the storage unit 150 as a metadata file.
• the storage unit 150 stores the broadcast data file comprised of the A/V file and the application file and metadata comprising the EPG file including the storage information for the A/V file and the application file.
• the user interface unit 160 provides an input/output interface which is connected to the control unit 170.
• a command for controlling the digital broadcasting apparatus 100 is received from the user via the user interface unit 160.
• the digital broadcasting apparatus 100 has a limited storage capacity and thus cannot store all of the broadcast files that the user desires to store therein.
• the present invention provides an apparatus and method for backing up broadcast files on a storage medium having a large storage capacity, in which broadcast data file information is detected by analyzing a metadata file having package information and broadcast files packaged together are backed up on a storage medium having a large storage capacity with reference to the broadcast data file information.
• a storage medium with a large storage capacity broadcast data files that are packaged in a digital broadcast apparatus (e.g., a digital multimedia broadcasting (DMB) device) together with respective corresponding metadata files with reference to package information included in the respective corresponding metadata files.
• a digital broadcast apparatus e.g., a digital multimedia broadcasting (DMB) device
• DMB digital multimedia broadcasting
• FlG. 1 is a block diagram of a related art digital broadcast reception device which can store a broadcast program
• FlG. 2 is a block diagram of an apparatus for backing up broadcast files according to an exemplary embodiment of the present invention
• FlG. 3 is a detailed block diagram of an execution unit of FlG. 2;
• FlG. 4 is a flowchart illustrating a method of backing up broadcast files according to an exemplary embodiment of the present invention.
• an apparatus for backing up broadcast files stored in a digital broadcast apparatus each of the broadcast files comprising a broadcast data file and a metadata file including package information specifying that the broadcast data file is packaged together with the metadata file.
• a computer- readable recording medium storing a computer program for executing the method of backing up broadcast files stored in a digital broadcast apparatus.
• FlG. 2 is a block diagram of an apparatus 200 for backing up broadcast files according to an exemplary embodiment of the present invention.
• the broadcast file backup apparatus 200 includes a reception unit 210, a received file information analysis unit 220, a file request unit 230, a file information conversion unit 240, a storage unit 250, a control unit 260, an execution file information analysis unit 270, a display unit 275, an execution unit 280, and a user interface unit 290.
• the broadcast file backup apparatus 200 may also include units other than those illustrated in FlG. 2 to perform its operations, but the units not illustrated in FlG. 2 are not described in this disclosure for the sake of clarity and brevity.
• the reception unit 210 receives a metadata file to be stored in the broadcast file backup apparatus 200 from the digital broadcasting apparatus 100.
• the metadata file received from the reception unit 210 is included in one of the broadcast files stored in the digital broadcasting apparatus 100 that is chosen to be backed up in the broadcast file backup apparatus 200 by a user.
• the received file information analysis unit 220 can analyze metadata comprising the storage location information and/or the file name information regarding the A/V file and the application file constituting the broadcast file containing the news broadcast aired at 9 PM on July 13, 2005 by the KBS and obtain the storage location information and/or the file name information as analysis results.
• the digital broadcast apparatus 100 searches for the requested broadcast data file corresponding to the storage location information and/or the file name information in response to the reception of the message transmitted by the file request unit 230, and transmits the requested broadcast data file to the reception unit 210.
• the storage location information and/or the file name information obtained by the received file information analysis unit 220 may be converted using a storage approach other than the default storage approach and the storage approach corresponding to the value input by the user.
• the file information conversion unit 240 may determine whether the storage location information obtained by the received file information analysis unit 220 indicates that the broadcast data file is already stored in the storage unit 250, or whether a match for the file name information obtained by the received file information analysis unit 220 exists in the storage unit 250 before converting the storage location information and/or the file name information.
• the event execution unit 288 receives event signals from the metadata file execution unit 282, the A/V file execution unit 284, and the application execution unit 286. In addition, if a user event signal chosen by the user via the user interface unit 290 is input to the event execution unit 288 via the control unit 260, the event execution unit 288 processes the user event signal. The event execution unit 288 may control the operations of the metadata file execution unit 282, the A/V file execution unit 284, and the application execution unit 286 in response to the event signals.
• FlG. 5 is a flowchart illustrating a method of executing a broadcast data file backed up using the method illustrated in FlG. 4 according to an exemplary embodiment.
• a broadcast data file may comprise an A/V file and an application file.
• operation S520 determines whether the request for execution of the received metadata file has not yet been received or issued. If it is determined in operation S520 that the request for execution of the received metadata file has not yet been received or issued, the method proceeds to operation S540. In operation S540, it is determined whether a request for execution of an A/V file included in the broadcast data file chosen to be executed has been issued.
• operation S560 it is determined whether a request for execution of an application file included in the broadcast data file chosen to be executed has been issued.
• operation S570 if it is determined in operation S560 that the request for execution of the application file has been issued, the application file is executed.
• the executed result may be displayed, if necessary, using the display unit.
• the broadcast event signal may be executed.
• the broadcast event signal may be an interface signal input by the user, for example, an application file execution request signal input by the user.
• operation S560 determines whether the request for execution of the application file has not yet been received.
• the method proceeds to operation S580.
• operation S580 it is determined whether a termination event signal for the broadcast data file chosen to be executed has been received.
• the termination event signal may be a termination signal or an A/V reproduction termination signal input by the user. If it is determined in operation S580 that the termination event signal for the broadcast data file chosen to be executed has been received, the method is terminated. Otherwise, the method returns to operation S520.
• the exemplary embodiments can be realized as computer-readable code stored in a computer-readable recording medium.
• the computer-readable recording medium may be any type of recording device in which data is stored in a computer-readable manner. Examples of the computer-readable recording medium include a ROM, a RAM, a CD- ROM, a magnetic tape, a floppy disc, an optical data storage, and a carrier wave (e.g., data transmission through the Internet).
• the computer-readable recording medium can be distributed over a plurality of computer systems connected to a network so that a computer-readable code is written thereto and executed therefrom in a decentralized manner. Functional programs, code, and code segments needed for realizing the exemplary embodiment can be easily construed by one of ordinary skill in the art.

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=37809059

Family Applications (1)

Country Status (2)

Families Citing this family (1)

Family Cites Families (5)

• 2006
  • 2006-07-05 WO PCT/KR2006/002615 patent/WO2007026998A1/en active Application Filing
  • 2006-07-05 EP EP06823581A patent/EP1900205A1/de not_active Withdrawn

Non-Patent Citations (1)

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