JP4655534B2 - Terminal device, data processing method, program, and recording medium - Google Patents

Terminal device, data processing method, program, and recording medium Download PDF

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JP4655534B2
JP4655534B2 JP2004228155A JP2004228155A JP4655534B2 JP 4655534 B2 JP4655534 B2 JP 4655534B2 JP 2004228155 A JP2004228155 A JP 2004228155A JP 2004228155 A JP2004228155 A JP 2004228155A JP 4655534 B2 JP4655534 B2 JP 4655534B2
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mode
means
data
display
command
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JP2006050237A (en
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義則 太田
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ソニー株式会社
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  The present invention relates to a terminal device, a data processing method, a program, and a recording medium, and in particular, a terminal device, a data processing method, a program, and a recording that make it possible to view digital data broadcasting by efficiently using resources. It relates to the medium.

  In recent years, with the spread of digital broadcasting (digital data broadcasting), the functions of receivers have also become diverse. As a function of the receiver, in addition to receiving a data broadcast signal and displaying / outputting video, audio, text information, etc., a function for performing application processing such as display of a program description and transmission / reception of mail is added. There are many.

  Also, when displaying the program description, the program broadcast information is divided into a plurality of items (program description, detailed description, attributes, etc.), and the program information of the predetermined item is displayed. A digital broadcast (digital data broadcast) receiving apparatus that can select program information of another item and can switch to the display state of the program information of the selected item has been proposed (for example, Patent Documents) 1).

  Furthermore, a method for improving the convenience of the user by instructing the user with an effective key on different display screens has been proposed (see, for example, Patent Document 2).

JP 2002-359789 A

JP 2002-199299 A

  However, in a conventional digital broadcast (digital data broadcast) receiving apparatus, a so-called data broadcast engine that receives a digital data broadcast signal and displays / outputs video, audio, character information, etc., a program description display, and mail Application processing units that perform application processing such as transmission / reception of data are provided as separate functional blocks, and the received digital broadcast is received even when the program description, mail content, etc. are displayed on the display screen of the data broadcast receiving device. Processing for generating display data such as video, audio, and character information from the signal was executed in parallel. For this reason, for example, a memory area used by the data broadcasting engine and a memory area used by the application processing unit need to be separately provided and managed, and there is a problem that resources cannot be used efficiently.

  The present invention has been made in view of such a situation, and makes it possible to view digital data broadcasting by efficiently using resources.

A terminal device according to the present invention is a terminal device that receives a data broadcast, reproduces the data broadcast, and performs a preset application process, and includes a command input unit that inputs a command based on a user operation, A data file described in a prescribed format is read as content, and the display of images is controlled, and it operates in either a mode for controlling the display of images for data broadcasting or a mode for controlling the display of images for application processing. A display control means; a command input determination means for determining whether or not a command is input by the command input means; and if the command input determination means determines that a command is input, the display control means displays a data broadcast image. Whether it is operating in the mode that controls the image, or is operating in the mode that controls the display of images for application processing Mode switching means for controlling the switching of the operation mode of the display control means based on the determination result by the mode determination means, the determination result by the mode determination means, and the content of the command input by the command input means, and included in the data broadcast Additional data acquisition means for acquiring additional data that is data other than video data or audio data to be displayed, and the mode switching means is configured to provide a command when the display control means is operating in a mode for controlling display of data broadcast images. When the content of the command input by the input means is a command related to application processing, the mode of the operation of the display control means is controlled, and the address of the content corresponding to the content of the command is supplied to the display control means. Mode in which the operation of the additional data acquisition means is stopped and the display control means controls the display of the image of the application process When operating, when the content of the command input by the command input means is a command related to playback of data broadcast, it is used to control the switching of the operation mode of the display control means and to play back data broadcast The address of the startup content set in advance is supplied to the display control means, and the additional data acquisition means is activated.

The data processing method of the present invention includes a command input means for inputting a command based on a user operation, and a data file described in a predetermined format is read as content to control the display of the image, and the data broadcast image Display control means that operates in either a mode for controlling display or a mode for controlling image display of application processing, receives data broadcasts, plays back data broadcasts, and performs preset application processing A data processing method of a terminal device that performs a command input determination step for determining whether or not a command is input by the command input means, and when it is determined that a command is input by the processing of the command input determination step, display The control means is operating in a mode that controls the display of data broadcast images, or application processed images Based on the mode determination step for determining whether the operation is in the display control mode, the determination result by the processing of the mode determination step, and the content of the command input by the command input unit, the mode of operation of the display control unit is determined. A mode switching control step for controlling switching, and an additional data acquisition step for acquiring additional data that is data other than video data or audio data included in the data broadcast. In the processing of the mode switching control step, the display control means When operating in a mode for controlling the display of data broadcasting images, when the content of the command input by the command input means is a command related to application processing, the control of the mode of operation of the display control means is controlled, and supplies the display control unit the address of the content corresponding to the content of the command, additional data acquisition When the processing of the step is stopped and the display control means is operating in the mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of the data broadcast, Controlling the switching of the operation mode of the control means and supplying the display control means with the address of a preset start-up content used when reproducing the data broadcast to execute the additional data acquisition step Features.

The program of the present invention is a terminal device that receives a data broadcast and reproduces the data broadcast and performs a preset application process, and a command input means for inputting a command based on a user operation , Either a mode that controls the display of images by reading a data file described in a predetermined format as content and controls the display of images of data broadcasting, or the mode that controls the display of images of application processing The display control means that operates, the command input determination means that determines whether or not a command is input by the command input means, and the display control means that displays the image of the data broadcast when the command input determination means determines that the command is input Operating in a mode that controls the display of images, or in a mode that controls the display of images for application processing Mode determining means for determining whether the operation is in progress; mode switching means for controlling the switching of the operation mode of the display control means based on the determination result by the mode determining means and the content of the command input by the command input means; Additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast, and the mode switching means operates in a mode in which the display control means controls the display of the image of the data broadcast If the content of the command input by the command input means is a command related to application processing, the control of the mode of operation of the display control means is controlled and the address of the content corresponding to the content of the command is displayed. is supplied to the unit, it added to stop the operation of the data acquisition means, display control means of the image of the application processing table When the operation is performed in the control mode, when the content of the command input by the command input means is a command related to the reproduction of data broadcast, the switching of the operation mode of the display control means is controlled and the reproduction of the data broadcast is performed. In this case, the address of the preset startup content used in the case of performing the above is supplied to the display control means, and is operated as a terminal device for starting the additional data acquisition means.

The recording medium of the present invention is a terminal device that receives a data broadcast, reproduces the data broadcast, and performs preset application processing, and inputs a command based on a user operation. Either a mode that controls the display of images by reading data files described in a predetermined format as content and controls the display of images for data broadcasting, or the mode that controls the display of images for application processing Display control means that operates on, command input determination means that determines whether or not a command is input by the command input means, and if the command input determination means determines that the command is input, the display control means You are operating in a mode that controls the display of images, or in a mode that controls the display of images for application processing. Mode determining means for determining whether the medium is in operation, mode switching means for controlling the switching of the operation mode of the display control means based on the determination result by the mode determining means and the content of the command input by the command input means; Additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast, and the mode switching means is operating in a mode in which the display control means controls display of the image of the data broadcast In this case, when the content of the command input by the command input means is a command related to application processing, the switching of the operation mode of the display control means is controlled, and the address of the content corresponding to the content of the command is displayed control means is supplied to, to stop the operation of the additional data acquisition unit, display the display control means of the application process of the image When operating in the control mode, when the content of the command input by the command input means is a command related to the reproduction of data broadcast, it controls the switching of the operation mode of the display control means and also plays back the data broadcast. A program for operating as a terminal device for starting an additional data acquisition unit by supplying an address of a startup content set in advance to be used to the display to the display control unit is recorded.

  In the terminal device, the data processing method, and the program of the present invention, it is determined whether or not a command is input by the command input means, and if it is determined that the command is input, the display control means displays the data broadcast image. Display control mode, or whether it is operating in a mode for controlling image display of application processing, and display control is performed based on the determination result and the content of the command input by the command input means. Switching of the mode of operation of the means is controlled. In addition, when additional data that is data other than video data or audio data included in the data broadcast is acquired and the display control means is operating in a mode for controlling the display of the image of the data broadcast, it is input by the command input means. When the content of the command is a command related to application processing, it controls the switching of the operation mode of the display control means and supplies the address of the content corresponding to the content of the command to stop the operation of acquiring additional data. When the display control means is operating in the mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of data broadcasting, the mode of operation of the display control means Preset start that is used to control data switching and to play data broadcasts Tsu operation of acquisition of the additional data by supplying addresses flop content is allowed to start.

  ADVANTAGE OF THE INVENTION According to this invention, a digital data broadcast can be viewed using resources efficiently.

  Embodiments of the present invention will be described below. The correspondence relationship between the invention described in this specification and the embodiments of the invention is exemplified as follows. This description is intended to confirm that the embodiments supporting the invention described in this specification are described in the specification. Therefore, even if there is an embodiment which is described in the specification but is not described here, this means that the embodiment does not correspond to the invention. It is not a thing. Conversely, even if an embodiment is described herein as corresponding to an invention, that means that the embodiment does not correspond to an invention other than the invention. Absent.

  Further, this description does not mean that all the inventions described in the specification are claimed. In other words, this description is for the invention described in the specification and not claimed in this application, i.e., for the invention that will be filed in division or applied or added in the future. It does not deny existence.

The terminal device according to claim 1 is a terminal device (for example, the television receiver 1 in FIG. 1) that receives a data broadcast, reproduces the data broadcast, and performs a preset application process. Command input means (for example, the remote controller 51 in FIG. 1) for inputting a command based on a user's operation, a data file described in a predetermined format is read as content, image display is controlled, and the data broadcasting Display control means (for example, browser 72 in FIG. 2) that operates in either a mode for controlling image display or a mode for controlling image display in the application process, and whether a command from the command input means has been input Command input determination means for determining whether or not (for example, the receiver state management unit 71 in FIG. 2 that executes the process of step S1 in FIG. 3), When it is determined that a command has been input by the command input determination means, the display control means is operating in a mode for controlling display of the image of the data broadcast, or is operating in a mode for controlling display of an image for application processing. Mode determination means (for example, the receiver state management unit 71 in FIG. 2 that executes the process of step S3 in FIG. 3), the determination result by the mode determination means, and the command input by the command input means Based on the contents (for example, the remote control code of FIG. 5), the mode switching means for controlling the switching of the operation mode of the display control means (for example, the process of step S4 or S5 of FIG. 3 is executed). Receiver status management unit 71) and additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast. The mode switching means, when the display control means is operating in a mode for controlling the display of the data broadcast image, the content of the command input by the command input means is a command related to the application process. And controlling the switching of the operation mode of the display control means, supplying the address of the content corresponding to the content of the command to the display control means, and stopping the operation of the additional data acquisition means. When the means is operating in a mode for controlling display of the image of the application process, the operation of the display control means is performed when the content of the command input by the command input means is a command related to reproduction of the data broadcast. Control of mode switching and a preset scan used when reproducing the data broadcast. And supplies the address of the over bets up contents to the display control means, characterized in that activating the additional data acquisition unit.

The information processing method according to claim 2 reads, as contents, command input means (for example, the remote controller 51 in FIG. 1) for inputting a command based on a user operation, and a data file described in a predetermined format. Display control means (for example, the browser 72 in FIG. 2) that operates in either a mode for controlling the display of the image and controlling the display of the image of the data broadcast, or a mode for controlling the display of the image of the application process; A data processing method of a terminal device (for example, the television receiver 1 in FIG. 1) that receives a data broadcast, reproduces the data broadcast, and performs a preset application process, the command input A command input determining step (for example, the process of step S1 in FIG. 3) for determining whether or not a command by the means is input; When it is determined that a command is input by the processing of the determination step, the display control unit is operating in a mode for controlling display of the image of the data broadcast, or is operating in a mode for controlling display of the image of application processing A mode determination step (for example, the process of step S3 in FIG. 3), a determination result by the process of the mode determination step, and the content of the command input by the command input means (for example, the remote control code in FIG. 5) ) And a mode switching control step (for example, processing in step S4 or S5 in FIG. 3) for controlling the switching of the operation mode of the display control means, and other than video data or audio data included in the data broadcast Additional data acquisition step of acquiring additional data that is the data of the above, and in the process of the mode switching control step When the display control means is operating in a mode for controlling the display of the image of the data broadcast, when the content of the command input by the command input means is a command related to the application processing, the operation of the display control means Control of switching the mode, and supplying the address of the content corresponding to the content of the command to the display control means to stop the processing of the additional data acquisition step, and the display control means When operating in a display control mode, when the content of the command input by the command input means is a command related to reproduction of the data broadcast, the mode control of the display control means is controlled. , Preset startup content used when reproducing the data broadcast By supplying an address to said display control means, to execute the additional data acquisition step.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration example of a television receiver 1 for viewing a digital broadcast (digital data broadcast) to which the present invention is applied.

  In the figure, the receiving unit 21 receives a broadcast digital data broadcast signal and outputs it to the demodulation unit 22. The demodulator 22 demodulates the digital data broadcast signal output from the receiver 21 to generate a transport stream (TS).

  The TS decoding unit 23 decodes the transport stream, and generates and outputs element packets each including video data, audio data, text data, and the like. Among the element packets output from the TS decoding unit 23, the element packets of video data and audio data are acquired by the AV decoding unit 25, and data other than the video data and audio data (for example, text data, still image data, etc.) Are acquired by the digital broadcast data acquisition unit 24.

  The AV decoding unit 25 generates a video / audio signal based on the element packet of the video data and the audio data, and outputs the video / audio signal to the synthesis unit 26. The element packet data acquired by the digital broadcast data acquisition unit 24 is converted into an on-screen display (OSD) signal by the OSD generation unit 27 as necessary, and output from the AV decoding unit 25. An on-screen display signal is superimposed on the output video signal and output to the display 52.

  Further, the I / O interface 28 receives a signal output from the remote controller (remote commander) 51 and outputs command information corresponding to the received signal to the bus 41. The remote controller 51 is provided with keys corresponding to commands for instructing the television receiver 1 to “reproduce data broadcast (digital data broadcast)”, “display program description”, and the like. By pressing a command key, for example, an infrared signal corresponding to the command is output from the remote controller 51.

  A CPU (Central Processing Unit) 29 executes various processes according to a program stored in a ROM (Read Only Memory) 31 or a program loaded in a RAM (Random Access Memory) 30. The RAM 30 also appropriately stores data necessary for the CPU 29 to execute various processes. The ROM 31 also stores an application data dedicated data content table which will be described later.

  The storage unit 17 is configured by a nonvolatile memory such as NVRAM (Non Volatile RAM) or an HDD (Hard Disk Drive), and is used in application processing of the television receiver 1 such as program guide data and recording reservation data. The recorded data is recorded as appropriate.

  The above-described units are connected to each other by a bus 41.

  FIG. 2 is a block diagram illustrating a functional configuration example of software executed by the CPU 29 and causing the television receiver 1 to execute reproduction of data broadcasting or various application processes.

  In the figure, the receiver state management unit 71 controls the switching of the operation mode of the browser 72 in response to the command transmitted from the remote controller 51. The browser 72 is configured to operate in either a data broadcast reproduction mode for reproducing a data broadcast or an application processing mode for executing an application process such as display of a program description. Based on this command, the above-described operation mode is switched.

  In addition, the receiver state management unit 71 controls the start or stop of the digital broadcast data reception processing unit 73 in accordance with the switching of the operation mode of the browser 72. The digital broadcast data reception processing unit 73 is a functional block that controls the digital broadcast data acquisition unit 24 of FIG. 1, and when a predetermined event or the like is received in the data broadcast, the digital broadcast data reception processing unit 73 receives it from the browser 72 via the memory management unit 76. Perform event notifications. The digital broadcast data reception processing unit 73 is activated when the browser 72 is operating in the data broadcast reproduction mode, and is stopped when the browser 72 is operating in the application processing mode.

  The EPG data acquisition unit 75 extracts data related to EPG (Electronic Program Guide) from the received data broadcast signal, and stores the extracted data in the program information database 77. The reservation database 78 stores recording reservation data for programs specified by the user via a GUI (Graphical User Interface) displayed by the browser 72.

  The application dedicated data content group 79 is content that is read when the browser 72 operates in the application processing mode. For example, a plurality of contents corresponding to a plurality of application processes are stored in advance.

  In response to a request from the browser 72, the file system 74 accesses the program information database 77, the reservation database 78, or the application-specific data content group 79, reads the data designated by the browser 72, and passes through the memory management unit 76. To the browser 72.

  As described above, FIG. 2 is a block diagram of software, and each functional block shown in FIG. 2 is actually configured by a program that executes processing of the functional block.

  Next, processing of the receiver state management unit 71 will be described with reference to the flowchart of FIG.

  In step S1, the receiver state management unit 71 determines whether or not the remote control code output from the remote controller 51, that is, the remote controller 51 has received data transmitted to the television receiver, and receives the remote control code. Wait until it is determined that it has been done. If it is determined in step S1 that a remote control code has been received, the process proceeds to step S2.

  In step S2, the receiver state management unit 71 checks the operation mode of the browser 72, and in step S3, determines whether the current operation mode of the browser 72 is the data broadcast reproduction mode or the application processing mode. Note that the current operation mode of the browser 72 is stored in advance in the RAM 30 or the like by processing in step S26 in FIG. 4 or step S46 in FIG.

  When it is determined in step S3 that the operation mode of the browser 72 is the data broadcast reproduction mode, the process proceeds to step S4, and the receiver state management unit 71 performs mode switching process 1 described later with reference to FIG. Execute. Thereby, the operation mode of the browser 72 is switched from the data broadcast reproduction mode to the application processing mode as necessary.

  If it is determined in step S3 that the operation mode of the browser 72 is the application processing mode, the process proceeds to step S5, and the receiver state management unit 71 performs a mode switching process 2 described later with reference to FIG. Execute. Thereby, the operation mode of the browser 72 is switched from the application processing mode to the data broadcast reproduction mode as necessary.

  Next, the details of the mode switching process 1 in step S4 of FIG. 3 will be described with reference to the flowchart of FIG.

  In step S21, the receiver state management unit 71 checks the received remote control code. Thereby, the contents of the remote control code are analyzed. As described above, the remote controller 51 outputs a remote control code for instructing various application processes, data broadcast reproduction, and the like based on user operations.

  FIG. 5 shows an example of the remote control code. In this example, “program guide”, “program description”, “recording reservation”, “bookmark”, “registration call”, and “mail” are described as remote control codes for instructing application processing.

  The remote control code “program guide” is a remote control code corresponding to an application process for displaying the program guide on the display 52 of the television receiver 1. As the application-specific data content corresponding to the remote control code “program guide”, “file: ///application/epg/startup.bml ”. The application-specific data content is content for causing the browser 72 to execute application processing, and is configured as, for example, a data file described in a BML (Broadcast Markup Language) format. Note that the application-specific data content described in FIG. 5 is actually the address of the content, and by supplying this address to the file system 74, the content stored in advance becomes the application-specific data content group 79. Is read from.

  The remote control code “program description” is a remote control code corresponding to an application process for displaying a program description of a predetermined program on the display 52 of the television receiver 1, and application-specific data content corresponding to the remote control code “program description” ( "File: ///application/program/startup.bml".

  The remote control code “recording reservation” is a remote control code corresponding to application processing that accepts an operation input of a program recording reservation by the user in the television receiver 1, and is an application-dedicated data content corresponding to the remote control code “recording reservation”. , “File: ///application/reservation/startup.bml” is described.

  The remote control code “bookmark” is a remote control code corresponding to an application process for reproducing a predetermined content registered in advance (bookmark) in the television receiver 1, and application-specific data content corresponding to the remote control code “bookmark”. As “file: ///application/bookmark/startup.bml”.

  The remote control code “registration call” is used in an application process in the television receiver 1 for transmitting (calling) a connection request such as a videophone communication to a device (partner) registered in advance. This is a corresponding remote control code, and “file: ///application/registcal/startup.bml” is described as application-specific data content corresponding to the remote control code “registration call”.

  The remote control code “mail” is a remote control code corresponding to application processing for performing transmission / reception of e-mail, for example, in the television receiver 1. As the application-specific data content corresponding to the remote control code “registration call”, “ file: ///application/mail/startup.bml ".

  In this example, “data broadcasting” is described as a remote control code for instructing reproduction of data broadcasting. There is no application-specific data content corresponding to the remote control code “data broadcast”, and when the data broadcast is reproduced using the browser 72, the start-up content defined by a predetermined standard or the like is replaced by the browser instead of the application-specific data content. 72 is supplied as content for executing reproduction of the data broadcast.

  In the television receiver 1, a table associating various remote control codes and application-specific data contents as shown in FIG.

  Returning to FIG. 4, in step S22, the receiver state management unit 71 determines whether or not the remote control code checked in step S21 is a remote control code for application processing. In step S23, the browser 72 is notified of switching of the operation mode. In this case, since it is determined in step S3 of FIG. 3 that the operation mode of the browser 72 is the data broadcast reproduction mode, if the received remote control code is a remote control code for application processing, the browser 72 It is necessary to switch the operation mode to the application processing mode.

  In step S24, the receiver state management unit 71 notifies application-specific data content corresponding to the received remote control code (the remote control code checked in step S21). At this time, the receiver state management unit 71 refers to the table associating the various remote control codes described above with reference to FIG. 5 with the application-specific data content, and refers to the application-specific data content (actually corresponding to the received remote-control code). The address of the content). For example, when the remote control code checked in step S21 is “program guide”, “file: ///application/epg/startup.bml” is notified as application-specific data content corresponding to the remote control code “program guide”. Is done.

  In step S <b> 25, the receiver state management unit 71 stops the digital broadcast data reception processing unit 73. As described above, the digital broadcast data reception processing unit 73 is a block that notifies the browser 72 of the event via the memory management unit 76 when a predetermined event or the like is received in the data broadcast. The data reception processing unit 73 is activated when the browser 72 is operating in the data broadcast reproduction mode, and is stopped when the browser 72 is operating in the application processing mode. In this case, since the operation mode of the browser 72 is switched from the data broadcast reproduction mode to the application processing mode by the process of step S23, the digital broadcast data reception processing unit 73 is stopped.

  In step S <b> 26, the receiver state management unit 71 sets the operation mode of the browser 72 to “application processing”, and stores the set operation mode in the RAM 30 or the like.

  If it is determined in step S22 that the remote control code checked in step S21 is not a remote control code for application processing, the processing in steps S23 to S26 is skipped.

  In this way, the browser 72 operating in the data broadcast reproduction mode is controlled so as to operate in the application processing mode in response to the received remote control code.

  Next, the details of the mode switching process 2 in step S5 in FIG. 3 will be described with reference to the flowchart in FIG.

  In step S41, the receiver state management unit 71 checks the received remote control code. Thereby, the contents of the remote control code are analyzed.

  In step S42, the receiver state management unit 71 determines whether or not the remote control code checked in step S41 is a remote control code for application processing, and is not a remote control code for application processing (that is, a remote control code for data broadcast reproduction). If it is determined, the process proceeds to step S43 to notify the browser 72 of switching of the operation mode. In this case, since it is determined in step S3 of FIG. 3 that the operation mode of the browser 72 is the application processing mode, if the received remote control code is a remote control code for data broadcast reproduction, the browser 72 It is necessary to switch the operation mode to the data broadcast reproduction mode.

  In step S44, the receiver state management unit 71 activates the digital broadcast data reception processing unit 73. As described above, the digital broadcast data reception processing unit 73 is activated when the browser 72 is operating in the data broadcast reproduction mode, and is stopped when the browser 72 is operating in the application processing mode. In this case, since the operation mode of the browser 72 is switched from the application processing mode to the data broadcast reproduction mode by the process of step S43, the digital broadcast data reception processing unit 73 is activated.

  In step S <b> 45, the receiver state management unit 71 notifies the browser 72 of startup content of data broadcasting. At this time, as described above, the receiver state management unit 71 notifies start-up content (actually, the address of the content) determined in advance by a standard or the like.

  In step S46, the receiver state management unit 71 sets the operation mode of the browser 72 to “data broadcast reproduction”, and stores the set operation mode in the RAM 30 or the like.

  If it is determined in step S42 that the remote control code checked in step S21 is a remote control code for application processing, the processing in steps S43 to S46 is skipped.

  In this way, the browser 72 operating in the application processing mode is controlled so as to operate in the data broadcast reproduction mode in response to the received remote control code.

  Next, the processing of the browser 72 will be described with reference to the flowchart of FIG. This process is executed in parallel while the receiver state management unit 71 executes the process described above with reference to FIGS.

  In step S81, the browser 72 determines whether or not switching of the operation mode is notified from the receiver state management unit 71, and waits until it is determined that switching of the operation mode is notified.

  In the process of step S23 of FIG. 4 or step S43 of FIG. 6, when switching of the operation mode is notified from the receiver state management unit 71, it is determined that the switching of the operation mode is notified in step S81. Proceed to step S82.

  In step S82, the browser 72 determines the current operation mode. If it is determined in step S82 that the current operation mode is the data broadcast reproduction mode, the process proceeds to step S83.

  In step S83, the browser 72 stops the reproduction of the data broadcast and switches the operation mode to the application processing mode.

  In step S84, the browser 72 receives the notification of the application-specific data content from the receiver state management unit 71. At this time, the application-specific data content (actually, the address of the content) notified from the receiver state management unit 71 in the process of step S24 in FIG. 4 is received.

  In step S85, the browser 72 downloads predetermined application-specific data content from the file system 74 based on the content received in step S84. For example, if the remote control code checked in step S21 in FIG. 4 is “program guide” and “file: ///application/epg/startup.bml” is notified as the application-specific data content in step S24, In step S85, the browser 72 supplies the content (“file: ///application/epg/startup.bml”) received in step S84 to the file system 74. As a result, the file system 74 reads the content (BML file or the like) corresponding to the application process for displaying the program guide from the application-specific data content group 79 and supplies it to the browser 72, whereby the application-specific data content is Downloaded.

  In step S86, the browser 72 presents the application-specific data content downloaded in step S84. At this time, the browser 72 reads a BML file or the like constituting the application-specific data content and, for example, a predetermined GUI (Graphical User Interface) used when displaying the program guide is displayed on the display 52 of the television receiver 1. Display. For example, the user can display a desired program guide by operating the remote controller 51 based on a GUI (Graphical User Interface) displayed on the display 52.

  In this way, the operation mode of the browser 72 is switched from the data broadcast reproduction mode to the application processing mode based on the remote control code, and application processing corresponding to the remote control code is performed.

  On the other hand, if it is determined in step S82 that the current operation mode of the browser 72 is the application processing mode, the process proceeds to step S87.

  In step S87, the browser 72 stops the application process and switches the operation mode to the data broadcast reproduction mode.

  In step S88, the browser 72 receives a notification of startup content corresponding to the data broadcast from the receiver state management unit 71. At this time, the startup content (actually, the address of the content) notified from the receiver state management unit 71 in the process of step S45 in FIG. 6 is received. Thereby, the browser 72 is controlled to read the startup content and execute reproduction of a predetermined data broadcast.

  In step S89, the browser 72 acquires the data content of the data broadcast.

  In step S90, the browser 72 presents the data content acquired in step S89 and reproduces the data broadcast.

  In this way, the operation mode of the browser 72 is switched from the application processing mode to the data broadcast reproduction mode based on the remote control code, and the data broadcast is reproduced.

  In addition, a process returns to step S81 after the process of step S86 or step S90.

  In this way, the processing of the browser 72 is performed in parallel with the processing of the receiver state management unit 71. In this way, when a program guide, program description, etc. are displayed on the display 52 of the television receiver 1 and application processing is being performed, video, audio, text information, etc. are displayed from the received data broadcast signal. Data broadcast playback processing for generating data is not executed in parallel, for example, there is no need to separately manage and manage a memory area used for data broadcasting and a memory area used for application processing , Resources can be used efficiently.

  In addition, since the processing of the application is performed by the browser 72 reading a BML file or the like constituting the application-specific data content, for example, in the function expansion or version upgrade of the television receiver 1, the content of the application processing is changed. In this case, it can be dealt with by simply replacing each content of the application-specific data content 79, and processing such as recompilation of various programs of the television receiver 1 becomes unnecessary. Therefore, a high-performance television receiver 1 can be configured at low cost.

  In the above embodiment, the television receiver has been described as an example, but the present invention can of course be applied to a personal computer or the like.

  The series of processes described above can be executed by hardware, or can be executed by software. In this case, for example, the television receiver 1 includes a computer 200 as shown in FIG.

In FIG. 8, a CPU (Central Processing Unit) 201 is a ROM (Read Only Memory).
Various processes are executed in accordance with a program stored in 202 or a program loaded from a storage unit 208 into a RAM (Random Access Memory) 203. The RAM 203 also appropriately stores data necessary for the CPU 201 to execute various processes.

  The CPU 201, the ROM 202, and the RAM 203 are connected to each other via the bus 204. An input / output interface 205 is also connected to the bus 204.

  The input / output interface 205 includes an input unit 206 including a keyboard and a mouse, a display including a CRT (Cathode Ray Tube) and an LCD (Liquid Crystal display), an output unit 207 including a speaker, and a hard disk. A communication unit 209 including a storage unit 208, a modem, a network interface card, and the like is connected. The communication unit 209 performs communication processing via a network including the Internet.

  A drive 210 is connected to the input / output interface 205 as necessary, and a removable medium 211 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory is appropriately mounted, and a computer program read from them is It is installed in the storage unit 208 as necessary.

  When the above-described series of processing is executed by software, a program constituting the software is installed from a network such as the Internet or a recording medium such as the removable medium 211.

  The recording medium shown in FIG. 8 is a magnetic disk (including a floppy disk (registered trademark)) on which a program is recorded, which is distributed to distribute the program to the user, separately from the apparatus main body. Removable media consisting of optical disks (including CD-ROM (compact disk-read only memory), DVD (digital versatile disk)), magneto-optical disks (including MD (mini-disk) (registered trademark)), or semiconductor memory In addition to the components configured by 211, those including a ROM 202 storing a program and a hard disk included in the storage unit 208 distributed to the user in a state of being pre-installed in the apparatus main body are included.

  Note that the steps of executing the series of processes described above in this specification are performed in parallel or individually even if they are not necessarily processed in time series, as well as processes performed in time series in the order described. The processing to be performed is also included.

It is a block diagram which shows the structural example of the television receiver to which this invention is applied. It is a block diagram which shows the functional structural example of the software performed by CPU of FIG. It is a flowchart explaining the process of a receiver state management part. It is a flowchart explaining the mode switching process 1. FIG. It is a figure which shows the example of the table which matches remote control code and application exclusive data content. It is a flowchart explaining the mode switching process 2. FIG. It is a flowchart explaining a process of a browser. And FIG. 16 is a block diagram illustrating a configuration example of a personal computer.

Explanation of symbols

  1 TV receiver, 24 digital broadcast data acquisition unit, 26 synthesis unit, 29 CPU, 30 RAM, 32 storage unit, 51 remote control, 52 display, 71 receiver state management unit, 72 browser, 73 digital broadcast data reception processing unit , 74 file system, 79 application-specific data content group, 201 CPU, 202 RAM, 203 ROM, 208 storage unit, 211 removable media

Claims (4)

  1. A terminal device that receives a data broadcast and reproduces the data broadcast, and performs a preset application process,
    Command input means for inputting a command based on a user operation;
    Either a mode in which a data file described in a predetermined format is read as content and image display is controlled to control the display of the image of the data broadcast, or the mode of image display in the application process is controlled. Display control means operating in
    Command input determination means for determining whether or not a command is input by the command input means;
    When it is determined that a command is input by the command input determination unit, the display control unit is operating in a mode for controlling display of the image of the data broadcast, or is operated in a mode for controlling display of an image of application processing Mode determination means for determining whether or not
    Mode switching means for controlling switching of the operation mode of the display control means based on the determination result by the mode determination means and the content of the command input by the command input means;
    Additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast;
    The mode switching means is
    When the display control unit is operating in a mode for controlling the display of the image of the data broadcast, when the content of the command input by the command input unit is a command related to the application process,
    While controlling the switching of the operation mode of the display control means, supplying the address of the content corresponding to the content of the command to the display control means, to stop the operation of the additional data acquisition means,
    When the display control means is operating in a mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of the data broadcast,
    Controlling the switching of the operation mode of the display control means, and supplying a preset start-up content address used when reproducing the data broadcast to the display control means, and the additional data acquisition means The terminal device characterized by starting.
  2. Command input means for inputting a command based on a user operation;
    Either a mode in which a data file described in a predetermined format is read as content and image display is controlled to control the display of the image of the data broadcast, or the mode of image display in the application process is controlled. Display control means operating in
    A data processing method for a terminal device that receives a data broadcast, reproduces the data broadcast, and performs preset application processing,
    A command input determination step for determining whether or not a command is input by the command input means;
    A mode in which the display control means is operating in a mode for controlling the display of the image of the data broadcast or a display of the image in the application process when it is determined that a command has been input by the processing of the command input determination step A mode determination step for determining whether or not the device is in operation;
    A mode switching control step for controlling the switching of the operation mode of the display control means based on the determination result by the processing of the mode determination step and the content of the command input by the command input means;
    An additional data acquisition step of acquiring additional data that is data other than video data or audio data included in the data broadcast,
    In the process of the mode switching control step,
    When the display control unit is operating in a mode for controlling the display of the image of the data broadcast, when the content of the command input by the command input unit is a command related to the application process,
    Controlling the switching of the operation mode of the display control means, supplying the address of the content corresponding to the content of the command to the display control means, to stop the processing of the additional data acquisition step,
    When the display control means is operating in a mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of the data broadcast,
    The additional data acquisition step of controlling the switching of the operation mode of the display control means and supplying a preset start-up content address used when reproducing the data broadcasting to the display control means. The data processing method characterized by performing this.
  3. Computer
    A terminal device that receives a data broadcast and reproduces the data broadcast, and performs a preset application process,
    Command input means for inputting a command based on a user operation;
    Either a mode in which a data file described in a predetermined format is read as content and image display is controlled to control the display of the image of the data broadcast, or the mode of image display in the application process is controlled. Display control means operating in
    Command input determination means for determining whether or not a command is input by the command input means;
    When it is determined that a command is input by the command input determination unit, the display control unit is operating in a mode for controlling display of the image of the data broadcast, or is operated in a mode for controlling display of an image of application processing Mode determination means for determining whether or not
    Mode switching means for controlling switching of the operation mode of the display control means based on the determination result by the mode determination means and the content of the command input by the command input means;
    Additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast;
    The mode switching means is
    When the display control unit is operating in a mode for controlling the display of the image of the data broadcast, when the content of the command input by the command input unit is a command related to the application process,
    While controlling the switching of the operation mode of the display control means, supplying the address of the content corresponding to the content of the command to the display control means, to stop the operation of the additional data acquisition means,
    When the display control means is operating in a mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of the data broadcast,
    Controlling the switching of the operation mode of the display control means, and supplying a preset start-up content address used when reproducing the data broadcast to the display control means, and the additional data acquisition means A program that operates as a terminal device that activates.
  4. Computer
    A terminal device that receives a data broadcast and reproduces the data broadcast, and performs a preset application process,
    Command input means for inputting a command based on a user operation;
    Either a mode in which a data file described in a predetermined format is read as content and image display is controlled to control the display of the image of the data broadcast, or the mode of image display in the application process is controlled. Display control means operating in
    Command input determination means for determining whether or not a command is input by the command input means;
    When it is determined that a command is input by the command input determination unit, the display control unit is operating in a mode for controlling display of the image of the data broadcast, or is operated in a mode for controlling display of an image of application processing Mode determination means for determining whether or not
    Mode switching means for controlling switching of the operation mode of the display control means based on the determination result by the mode determination means and the content of the command input by the command input means;
    Additional data acquisition means for acquiring additional data that is data other than video data or audio data included in the data broadcast;
    The mode switching means is
    When the display control unit is operating in a mode for controlling the display of the image of the data broadcast, when the content of the command input by the command input unit is a command related to the application process,
    While controlling the switching of the operation mode of the display control means, supplying the address of the content corresponding to the content of the command to the display control means, to stop the operation of the additional data acquisition means,
    When the display control means is operating in a mode for controlling the display of the image of the application process, when the content of the command input by the command input means is a command related to reproduction of the data broadcast,
    Controlling the switching of the operation mode of the display control means, and supplying a preset start-up content address used when reproducing the data broadcast to the display control means, and the additional data acquisition means A recording medium on which a program for operating as a terminal device for starting up is recorded.
JP2004228155A 2004-08-04 2004-08-04 Terminal device, data processing method, program, and recording medium Expired - Fee Related JP4655534B2 (en)

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