JP2008005282A - Meta data electronic display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable meta data such as program history information or real time broadcasting information to be visualized in a viewing state of recording, reproduction, live or the like. <P>SOLUTION: The meta data are transmitted through a communication network 8 by means of broadcasting or IP, and received by a meta data receiving part 1 of the meta data electronic display device. The meta data receiving part 1 analyzes and stores the received meta data in a storage device 2. Also, the display object period (T) of the meta data to be displayed is set in a timer 5. As for the display object period (T), time length from the point of time going back in a predetermined period from the current point of time to the current point of time is decided for the tempraly flow of a broadcasting program, and the meta data received in the display object period (T) are acquired from the storage device, and displayed at a display part 6. The display part 6 performs internal processing for operating the scroll display of the meta data, and generates the display data, and transmits the display data to a display apparatust 7. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a metadata electronic display device, and more particularly to a metadata electronic display device that displays additional information (metadata) related to programs, real-time information, and the like received by a broadcast receiving function.

  In recent years, in television broadcasting, in addition to information on program broadcast date and time and channels, information on program content and the like are provided together with program broadcast. Information related to these programs is referred to as metadata in this specification.

In television broadcasting such as BS broadcasting and CS broadcasting, a system is used in which electronic program guide EPG (Electronic Program Guide) information is multiplexed on a television broadcasting signal and EPG is displayed on the television screen based on this information. .
By referring to the EPG, the user can search for a desired program from among a number of programs scheduled to be broadcast and confirm the contents of the program. It is also possible to make a program recording reservation in a video recorder or the like based on the EPG information.

  By the way, a user who receives and watches a broadcast such as a television selects one channel from among a plurality of provided channels. However, when a user is not interested in a program broadcast on the currently selected channel, another channel may be selected one after another to search for a program that is more interesting. This is called zapping.

  Many digital broadcast receivers currently available in the market require a longer time for channel selection than analog broadcast receivers, and users are often dissatisfied with zapping.

  For example, Patent Document 1 does not change the channel being viewed, but displays the metadata information of one of the other channels at an appropriate position on the viewing screen, so that the channel that was first selected is displayed. A technique is disclosed in which it is possible to know the program contents of other channels without interrupting the program viewing once.

Patent Document 2 discloses a technique for acquiring relevant information and displaying it in an integrated manner with the EPG when the broadcast side provides relevant information on the EPG. In Patent Document 2, in addition to EPG information, progress information progress information of each program is multiplexed and broadcast as metadata as a program, and the progress status of each program displayed on the EPG can be displayed. .
JP 2006-50047 A JP 2005-175695 A

  However, in Patent Document 1, the displayed metadata is only related to the program of one channel, and the real-time information can be seen, but the listability is lacking. Further, there is no disclosure of a technical idea that designates a metadata display period that goes back a predetermined period from the current time and displays a history of metadata acquired during the display period.

  Further, in Patent Document 2, the listability is ensured by displaying metadata of a plurality of channels in a program table format. Further, in addition to the EPG currently used in digital broadcasting as metadata, it is possible to know the detailed progress of the program of each channel by receiving the progress information of each program.

  However, in the technique of Patent Document 2, it is not possible to update the display of the program guide in real time using the metadata that is constantly received during the display of the program guide. In addition, since the progress of a program that the user has recorded and wants to watch later is displayed, there is a drawback in that it may lead to the user's interest.

  Furthermore, the technique of Patent Document 2 is limited to the metadata display technique of a broadcast program, and does not consider the metadata display during playback / viewing of a recorded program. In addition, the progress information for the program described in the EPG is only added to the metadata, and is not suitable for receiving and displaying various information in real time.

Moreover, in patent document 2, it is restricted to the state which displays metadata on a screen, and metadata cannot be updated dynamically. Also, there is no disclosure of means for setting a certain display target period and displaying a history of metadata in a fixed display target period in the past from the present time.
Further, there is no disclosure of means for displaying metadata broadcast in real time during playback or recording of a recorded program. Further, there is no disclosure of means for setting whether or not to display metadata of a recorded program for a program being recorded. Further, Patent Document 2 has a problem that only program progress information can be displayed.

  The present invention has been made in view of the above circumstances, and is a metadata electronic display device that realizes a high level of real-time performance. It is an object of the present invention to provide a metadata electronic display device that can visually check metadata such as history information or real-time broadcast information and has high flexibility operability and convenience.

  In order to solve the above-described problem, a first technical means of the present invention is an electronic device having a broadcast receiving function, a metadata acquisition means for acquiring metadata, and metadata acquired by the metadata acquisition means Is stored in the storage device, and display means for updating and displaying the metadata acquired by the metadata acquisition means in real time.

  The second technical means is characterized in that, in the first technical means, the metadata obtaining means obtains metadata from multiplexed information transmitted together with a network for broadcasting metadata or remote data service broadcasting. It is a thing.

  A third technical means is the first technical means characterized in that the storage means stores the metadata in a storage device in a format according to MPEG7.

  According to a fourth technical means, in the first technical means, the storage means stores the metadata together with management information for managing the metadata in the storage device, and the management information includes the metadata ID, package number, time The information includes a stamp, a corresponding channel number, and a classification ID.

  According to a fifth technical means, in any one of the first to fourth technical means, the display target period (T) is traced back from the present time according to a predetermined metadata display period (T) that can be variably set. It is characterized by displaying the metadata acquired up to the present time.

  The sixth technical means is characterized in that, in the fifth technical means, it is possible to set whether or not the metadata is scroll-displayed.

  The seventh technical means sets a threshold value (t) in the metadata display target period in the sixth technical means, and the display target period is predetermined when the metadata is scroll-displayed in the metadata display area. The metadata is highlighted when it is smaller than the threshold value (t) or until the scrolling display of the target metadata is repeated a predetermined number of times of scrolling.

  The eighth technical means sets the threshold value (t) in the metadata display target period in the fifth or sixth technical means, and the set value of the metadata display target period is smaller than the threshold value (t), It operates as a mode in which the latest acquired metadata is interrupted in the current display and preferentially displayed. If the set value for the display target period is equal to or greater than the threshold (t), the current display is displayed even if the latest metadata is acquired. It is characterized by operating as a continuous mode.

  The ninth technical means is any one of the sixth to ninth technical means, wherein the display means displays the channel numbers of the received broadcast programs side by side in the vertical or horizontal direction, and positions next to or below each channel number. Further, a display area for displaying metadata corresponding to each channel is set, and each metadata can be scroll-displayed in each display area.

  A tenth technical means according to any one of the sixth to ninth technical means, wherein the display means is capable of integrating and displaying the metadata in the EPG and whether or not the metadata is integrated and displayed in the EPG. This is characterized in that it is possible to set.

  In the tenth technical means, in the tenth technical means, when the metadata is integrated and displayed on the EPG, each channel information is displayed at a position below the display area of each channel information including the program name of the received broadcast program. A display area for displaying corresponding metadata is set, and each metadata can be scroll-displayed in each display area.

  The twelfth technical means is that in any one of the ninth to eleventh technical means, the setting of metadata scroll display is to perform scroll display collectively in all metadata display areas corresponding to each channel. It is possible to set whether or not to perform scroll display in each metadata display area corresponding to each channel.

  A thirteenth technical means is the fifth technical means, wherein the metadata display target period (T) can be set for each broadcast channel, and the metadata display target periods (T) of all broadcast channels are collectively set. This is characterized in that it can be set with.

  The fourteenth technical means is characterized in that, in the sixth technical means, when the metadata is scroll-displayed, the fast-forward / fast-reverse of the metadata to be displayed according to a predetermined operation is possible. .

  A fifteenth technical means is the first technical means, wherein the metadata electronic display device has a function of reproducing and displaying a broadcast program recorded on a predetermined recording medium, and during reproduction using the reproduction display function, Whether or not to display metadata can be set.

  A sixteenth technical means is the first technical means, wherein the metadata electronic display device has a recording function for recording a broadcast program on a predetermined recording medium, and the metadata is recorded during recording using the recording function. Whether to display or not can be set.

  According to a seventeenth technical means, in the first technical means, the metadata electronic display device has a recording function for recording a broadcast program on a predetermined recording medium, and a program being recorded during recording using the recording function. It is characterized by having a setting not to display the metadata information by default.

  The eighteenth technical means is characterized in that, in the seventeenth technical means, it is possible to set whether or not to display metadata information of a program being recorded during recording.

  The nineteenth technical means sets, in the first technical means, whether to display the metadata of the reserved program or to display the metadata of all channels having metadata when performing the scheduled recording. It is characterized by being able to.

  According to a twentieth technical means, in the first technical means, the metadata electronic display device has a reserved recording function for reserving recording of a broadcast program on a predetermined recording medium. It is possible to set whether or not to display metadata information.

  According to a twenty-first technical means, in the first technical means, a specific metadata item can be selected from a screen displaying the metadata, and when a specific item is selected, more detailed meta data of the selected item is selected. The feature is that data can be displayed.

  According to the present invention, a metadata display device that realizes a high degree of real-time performance, such as metadata such as program history information or real-time broadcast information in a viewing state such as recording, playback, live, etc., as selected by the user It is possible to provide a metadata electronic display device that is highly flexible and has operability and convenience.

  In particular, in the present invention, means for updating display contents in real time by metadata received every moment, means for switching display / non-display of metadata about a program being recorded, according to user settings, recorded A means for displaying the program's metadata during playback, a means for constantly updating information while the screen remains displayed, and a means for flexibly displaying metadata other than program progress information. Means can be provided.

In the embodiment of the metadata electronic receiving apparatus according to the present invention, metadata information of all the channels that are constantly updated is displayed in a list and can be scrolled.
Then, a certain period (display target period (T)) can be set, and on the metadata display screen and the display screen in which the metadata is integrated into the EPG, from the time point set in advance by the period T to the present time It is possible to dynamically display and update the metadata of.
In addition, metadata can be displayed in real time while the program is being viewed, such as during playback or recording of the program. Further, it is possible to select and set whether to display related information for a program being recorded.

The metadata is information related to the program such as information related to the broadcast date and time and channel of the program and information related to the content of the broadcast program as described above, and is added to the program and broadcast. Other metadata is also included in breaking information such as incidents and accidents that cannot be predicted in advance.
As a metadata broadcasting system, it can be included in data multiplexed in a broadcast program or transmitted via a separate communication network. MPEG7 is a powerful format for metadata.

FIG. 1 is a block diagram for explaining an embodiment of a metadata electronic display device according to the present invention.
The metadata receiving device includes a metadata receiving unit 1, a storage device 2, a control unit 3, a display switch 4, a timer 5, a display unit 6, and a user IF 9. The control unit 3 controls the operation of each element of the metadata receiving apparatus. The display device 7 is a display device externally connected to the metadata electronic reception device of this embodiment, but may be configured as a part of the metadata electronic display device.

  The metadata is transmitted via the communication network 8 by broadcasting or IP, and is received by the metadata receiving unit 1 of the metadata electronic display device. The metadata receiving unit 1 analyzes the received metadata. If the received metadata is not in a format having metadata management information such as channel information and keywords, a metadata package is created so as to have these metadata management information.

The storage device 2 stores metadata. As a storage medium of the storage device 2, a memory such as an HDD, a ROM, or a RAM, or various removable recording media can be applied.
The user IF 9 is capable of inputting an instruction by a user operation. For example, the user IF 9 can be set to display a metadata display screen or to hide the display screen.
Further, the user can set the display switch 4 and the timer 5 by the user IF 9.
The display switch 4 holds various setting information related to metadata screen display and the like. Details of the setting items will be described later.

In the timer 5, a display target period (T) of metadata to be displayed is set. The display target period (T) defines the time length from the time point that is a predetermined period later than the present time to the current time with respect to the time flow of the broadcast program, and is received during this display target period (T). The metadata is acquired from the storage device and displayed on the display unit 6.
The timer 5 is set with the number of times of scrolling for repeatedly displaying the metadata to be displayed while scrolling. The same metadata is repeatedly scrolled and displayed by the number of times of the scroll.
Further, the display unit 6 performs internal processing for performing scroll display of metadata, generates display data, and transmits the display data to the display device 7.

Further, the metadata electronic display device may have a recording / reproducing function of the received broadcast program. In this case, the content such as the received broadcast program is recorded on a predetermined recording medium such as HDD, DVD, BD, etc., and the content such as the broadcast program recorded on the recording medium is reproduced and displayed on the display unit. Can be made.
In this case, the metadata electronic display device may not include a recording / reading device for the recording medium, and may only include an input / output IF for a signal for recording / reproducing with the recording / reproducing device.

  FIG. 2 is a diagram illustrating an example of a data structure when metadata is stored in a storage device. As shown in FIG. 2, when the acquired metadata is stored in the storage device, the metadata data information and the management information are stored in association with each other. As described above, the metadata receiving unit 1 analyzes the received metadata, and when the metadata is not in a format having management information, the metadata package 1 has such metadata management information. Create

  As shown in FIG. 2, the management information includes information such as a metadata ID, a package number, a time stamp, a corresponding channel number, and a classification ID. Also, metadata keywords may be included. The data information includes specific contents of metadata, link destination address information, and data such as related information broadcast channels.

FIG. 3 is a diagram showing examples of various display switches set in the metadata electronic display device according to the present invention. As described above, the display switch 4 sets various items related to metadata screen display.
The “EPG / metadata screen switch” is a switch for setting whether to display metadata integrated with the EPG or to display a screen of only metadata. This switch can be set by the user. In addition, the default of this switch is set to display only metadata.

The “scroll / non-scroll switch” is a switch for setting whether or not to scroll the metadata when displaying the metadata. This switch can be set by the user, and its default value is scroll display.
The “view / real time switch” is a switch for discriminating between the viewing mode and the real time mode. The real-time mode is a mode in which metadata sent in real time during program viewing is interrupted and displayed, and the viewing mode is a mode that places importance on the program viewing environment without performing such interrupt display. is there.

  This switch is automatically set in mode according to the setting of the metadata display target period (T) set in the timer. For example, if the metadata display target period (T) is smaller than a predetermined threshold (t), the real-time mode is set, and if it is equal to or larger than the threshold (t), the viewing mode is set. The threshold value (t) can be variably set, but is set to 60 s (seconds), for example. The default for this switch is real-time mode.

The “metadata highlighting switch” is a switch for setting whether or not to highlight when displaying metadata, and the default is execution of highlighting.
This switch refers to the setting of the timer, and when the metadata display target period (T) corresponds to the real-time mode, or when a predetermined number of scrolls is set by a timer described later, Highlight metadata according to value.

For example, when the number of scrolls is set to three, the metadata is highlighted until the metadata to be displayed is repeatedly displayed three times. When the scroll display is performed three times, the highlighting of the metadata is finished, and the scrolling of the metadata is also stopped to return to the normal metadata display. The number of scrolls functions when the scroll / non-scroll switch is set to scroll display.
At this time, if the display target period (T) is set to a condition corresponding to the real time mode (<60 s in this example), the display is highlighted while ignoring the setting of the number of scrolls.

  "Playback metadata / real-time metadata switch" is a switch to set whether to play back the metadata of the playback program during program playback or to display real-time metadata currently broadcast during program playback It is. This switch is user configurable and its default value is broadcast metadata display.

The “metadata recording switch” is a switch for setting whether or not metadata is accumulated during recording. This switch is user configurable and its default value is metadata storage.
The “metadata display / non-display switch” is a switch for setting whether to display metadata or not during recording. This switch is user configurable and its default value is to hide metadata. Further, when displaying metadata, it may be possible to set whether to display metadata of a program reserved when performing scheduled recording or to display metadata of all channels having metadata.

  When the metadata electronic display apparatus receives a program and acquires metadata, the metadata electronic display device refers to each of the switches described above, and executes display and storage processing of the metadata according to the setting of each switch.

FIG. 4 is a diagram illustrating a setting example of a timer of the metadata electronic display device according to the present invention. The metadata display timer sets a metadata display target period (T).
When displaying the metadata, the metadata up to the current time is acquired from the storage device from the time point that is the display target period (T) from the current time, and displayed on the display unit. At this time, if scroll display is set by the scroll / non-scroll switch, the metadata within the period is displayed while scrolling. If non-scroll display is set, metadata to be displayed is displayed only once.
When scroll display is set and the following number of scrolls is set, the metadata for the display target period (T) is scroll-displayed, and then the same metadata is repeatedly scroll-displayed up to the set scroll count.

  When the metadata display target period (T) is, for example, T <60 s, the viewing / real time switch is automatically set to the real time mode. If T ≧ 60 s, the viewing / real time switch is automatically set to the viewing mode. The display target period (T) can be set by the user, and the default is 1 s (corresponding to the real time mode). Further, the threshold value (t) for distinguishing between the real time mode and the viewing mode is not limited to 60 s as described above, but can be set by the user as appropriate.

  In addition, the display target period (T) can be set for each broadcast channel, and the display target period (T) for metadata of all broadcast channels can be set collectively.

  The scroll count timer is a timer for setting the scroll display count of the target metadata. The target metadata is metadata within the period set in the display target period (T), and when the metadata is scroll-displayed, the number of times the target metadata is repeatedly scroll-displayed is set. . This timer is user configurable and defaults to 3 times.

FIG. 5 is a diagram showing an example of a display screen that displays only metadata according to the setting of the EPG / metadata screen switch.
When the setting of the EPG / metadata screen switch is set to display only metadata, a metadata display screen as shown in FIG. 5 can be displayed.

In the metadata display screen shown in FIG. 5, the channel numbers 11 of the received broadcast programs are displayed side by side in the vertical direction, and the metadata corresponding to each channel number 11 is displayed at the position to the right of each channel number 11. The data display area 12 is set. On the right side of the metadata display area 12, the reception time 13 of the metadata being displayed is displayed.
In this display screen configuration, the channel numbers 11 may be arranged in the horizontal direction, and the metadata display area 12 may be set at a position below each channel number 11.

In the metadata display area 12, the acquired metadata is displayed for each channel. At this time, the metadata to be displayed is metadata that has been received up to the present time from a time point retroactive from the present time by the display target period (T) of the metadata set by the metadata display timer. If scroll display is set by the scroll / non-scroll switch, the metadata to be displayed in the metadata display area 12 is scroll-displayed from the newest to the oldest in time. Then, the same metadata is repeatedly scrolled and displayed for the number of times set by the scroll number timer.
Further, when metadata highlighting is set by the metadata highlighting switch, highlighting is performed for the set number of times of scrolling. In real time mode, metadata is highlighted regardless of the number of scrolls.

  FIG. 6 is a diagram showing an example of a display screen that displays metadata integrated with the EPG according to the setting of the EPG / metadata screen switch. When the setting of the EPG / metadata screen switch is a setting for integrating the EPG and displaying the metadata, a metadata display screen as shown in FIG. 6 can be displayed.

  In the metadata display screen shown in FIG. 6, the channel numbers 11 of the received broadcast programs are displayed side by side in the vertical direction, and the channel information display area 14 corresponding to each channel number 11 is displayed at the right side of each channel number 11. And a metadata display area 12 for displaying metadata corresponding to each channel information is set at a lower position of the channel information display area 14. The channel information includes information such as program name and program content.

The metadata display area 12 displays the metadata acquired for each channel as in the example of FIG. At this time, the metadata to be displayed is the metadata received from the time point retroactive to the present time by the metadata display time (T) set by the metadata display timer. If scroll display is set by the scroll / non-scroll switch, the metadata displayed in the metadata display area 12 is scroll-displayed from the oldest to the newest. Then, the same metadata is repeatedly scrolled and displayed for the number of times set by the scroll number timer.
Further, when metadata highlighting is set by the metadata highlighting switch, highlighting is performed for the set number of times of scrolling. In real time mode, metadata is highlighted regardless of the number of scrolls.

In the display screens shown in FIG. 5 and FIG. 6, it is possible to set whether or not all the metadata display areas 12 corresponding to each channel are scroll-displayed at a time, and to display individual metadata corresponding to each channel. It may be possible to set whether or not scroll display is performed in the area 12.
That is, in the scroll / non-scroll switch, all metadata can be set collectively, and scroll / non-scroll display setting can be performed for each channel.

FIG. 7 is a flowchart for explaining an example of metadata reception processing in the metadata electronic display device of the present invention.
When the metadata electronic display device first receives metadata via the received broadcast program or communication network (step S1), it determines whether the metadata has management information (step S2). As described above, the metadata is separated from, for example, a received multiplexed broadcast program. As described above, the management information includes channel information of broadcast programs, keywords, and the like.

  If the metadata has management information, the metadata is stored in the storage device 2 in time order (step S4). If the metadata does not have management information, the management information is added (step S3), and the metadata is stored in the storage device 2 in time order (step S4).

FIG. 8 is a flowchart chart for explaining a processing example in the metadata electronic display device of the present invention. It is assumed that the metadata is stored in the storage device 2 together with the management information according to the flow shown in FIG.
When the user instructs to display the metadata screen using the user IF 9 (step S11), the control unit 3 of the metadata electronic display device sets the EPG / metadata screen switch set in the display switch 4. Information is read out to determine whether or not to display an EPG / metadata integration screen (step S12).

  If the setting of the EPG / metadata screen switch is the EPG / metadata integration screen display, a screen for integrating the metadata into the EPG as shown in FIG. 6 is displayed (step S13), and the EPG / metadata integration is performed. If it is not a screen display, a metadata-only screen as shown in FIG. 5 is displayed (step S14).

  After any of the above screen displays, the control unit 3 acquires the metadata display target period (T) from the timer 5 (step S15), and the display target period (T) is T <60 s (seconds). Is determined (step S16). Here, it is assumed that the threshold value (t) is set to 60 s.

  When T <60 s, the metadata is displayed in real time. That is, here, the control unit 3 continues the process of acquiring the latest metadata from the buffer of the storage device 2 (step S18). Then, the acquired latest metadata is displayed on the display device 7 in an interrupted manner and is highlighted at this time (step S20). In the interrupt display, the metadata currently displayed on the display device 7 is erased and the latest metadata is displayed. After displaying the latest metadata, it is possible to return to the metadata display within the original display target period (T).

On the other hand, if T <60 s, the viewing mode for watching the program is set, and when the last metadata display in the buffer of the storage device is finished, the display returns to the top of the buffer (the oldest data in time) and the metadata is repeated. Is displayed.
Here, the control unit 3 acquires the metadata (new in time) from the storage device 2 after the position where the display of the previous metadata was interrupted (step S17). In this case, for example, when the display of metadata is interrupted by terminating the display of metadata by a user operation or by displaying other menu screens or dialog screens, the display interruption position in the buffer is stored. . Then, metadata is acquired from the interruption position in a new direction in time. The control unit 3 additionally displays the metadata acquired from the storage device 2 on the display device 7 (step S19).

Then, after displaying the metadata acquired from the buffer in step S19 or S20, it is determined whether there is a user operation (step S21). If there is no user operation, the process returns to step S15.
If there is a user operation in step S21, it is determined whether or not the operation is an operation for displaying a metadata detail screen (step S22). If the operation is to display the metadata details screen, the metadata details screen is displayed (step S25).

If it is determined in step S22 that the user operation is not an operation for displaying the metadata detail screen, it is further determined whether or not the operation is for deleting the metadata screen display (step S23).
If the user operation is an operation to erase the metadata screen display, the display screen is erased (step S24). If the user operation is not to erase the screen display, the process returns to step S15.

According to the metadata electronic display device as described above, for example, when emergency information such as a serious incident or accident occurs, the emergency information is displayed as quickly as possible, and the latest information on the incident is continued. Can be displayed.
Also, for example, when the user is not ready to watch any broadcast program and wants to see the point information of the program so far, especially when the watch program is a drama and wants to see the outline of the scene so far, Such information can be confirmed by the metadata.
In addition, by fast-forwarding / rewinding the displayed metadata, it is possible to quickly find and display a video of interest to the user.

(1) When viewing metadata of emergency information such as serious incidents and matters The control unit 3 of the metadata electronic reception device obtains the latest metadata of each channel from the metadata stored in the storage device 2 in time order. It is acquired and stored in a buffer area prepared on the memory of the storage device 2.

  The user performs an operation of displaying metadata when emergency information is broadcast while watching a TV program displayed on the display device 7, for example. At this time, the control unit 3 of the metadata electronic display device acquires a setting value indicating whether to display the EPG / metadata display screen from the display switch 4 or to display only the metadata display screen, The metadata is displayed on the screen according to the set value.

  The control unit 3 of the metadata electronic reception device acquires the display target period (T) of the timer, and displays the latest metadata on the display device 7 in the real time mode. If the mode is not the real time mode, the setting of the display target period (T) or the threshold value (t) can be changed to the real time mode. At this time, the latest metadata is preferentially displayed with highlighted characters by interrupting the scroll display of the current metadata.

  Then, when a certain period of time has elapsed (when scrolling is not set), or when scrolling is performed a certain number of times (when scrolling is set), the control unit 3 displays the highlighted character display of the metadata as a normal character display. Return to. The fixed number of scrolls indicates the number of times the same latest data is repeatedly scrolled.

  The user can use the user IF 9 to select a metadata item to be further focused from the metadata list screen or the EPG screen. When an item is selected, the control unit 3 of the metadata electronic display device displays detailed information of the metadata on the display screen.

  FIG. 9 is a diagram showing an example of a display screen of detailed information of metadata, and is a diagram showing an example of details of earthquake early warning. For example, when metadata related to earthquake early warning is displayed and the user who sees it instructs the detailed screen display of the metadata by the user IF 9, a detailed display screen as shown in FIG. 9 can be displayed.

  Further, the user can further select desired information from the detailed information display screen as shown in FIG. 9, and the control unit 3 acquires and displays related information of the reference destination according to the selection. Can be made. For example, in the example of FIG. 9, when “Great Kanto Earthquake” is selected, the URL web page can be displayed.

(2) When viewing program information The control unit 3 of the metadata electronic reception device acquires the latest metadata of each channel from the metadata stored in the storage device 2 in time order, and the storage device 2 has It is stored in a display buffer area prepared on the memory.
For example, when a user is watching a TV program displayed on the display device 7 and wants to view metadata of a scene that could not be viewed in time, the display target period (T) of the corresponding channel is set as follows: Set the period from the start of the program to the current time.

  Then, after the metadata is displayed on the screen, the control unit 3 acquires the metadata display target period (T) from the timer 5. Then, metadata from the storage device 2 is acquired from a time point that is back by the display target period (T) from the current time point. For example, when the display target period is set to 60 minutes, it is acquired from the metadata 60 minutes ago and displayed. And the control part 3 displays a metadata on the display apparatus 7 according to a display object period (T).

  For example, when the display target period (T) is 60 minutes as described above, the display target period (T) is longer than 60 s, which is the threshold value 6 (t), and thus operates as a viewing mode. In the viewing mode, even if the latest metadata is received, the current metadata display is continued without interrupting the latest metadata into the current metadata display.

Further, in the viewing mode, the metadata recorded in the buffer can be displayed in fast forward / fast reverse. As a result, for example, the content that becomes the point of the program being viewed can be easily browsed by fast-forwarding / rewinding the metadata.
Also, in the viewing mode, by setting the playback metadata / real time metadata switch to real time, the metadata currently being broadcast can be displayed. For example, metadata indicating the occurrence of an emergency event can be displayed. When received, this can be displayed.

(3) When replaying a program When replaying a recorded program content, the control unit 3 of the metadata electronic display device receives a set value of a replay metadata / real-time metadata switch from the display switch 4. get. If the playback mode is set, the metadata of the content to be played back is displayed. At this time, in the viewing mode, for example, if the display target period (T) is 60 minutes, the display is started from the metadata 60 minutes before the current time.

  When the real time mode is set in the reproduction metadata / real time metadata switch, the metadata of the program currently broadcast in real time is displayed regardless of the content being reproduced. In this case, the display of the latest real-time metadata has priority.

(4) In case of displaying reserved recording When performing reserved recording of a program, it is selected whether or not to display the metadata of the reserved program. As a procedure, when displaying the reservation screen, a metadata display / non-display switch is used to set whether to display the recording metadata during recording. The default of the metadata display / non-display switch is metadata non-display as described above.

  If the metadata is set to non-display, the metadata is not displayed even when recording is started. For example, if the setting is made so that the metadata is not displayed, for example, it is possible to prevent the progress of a program being recorded for later viewing from being displayed in real time by the metadata.

At this time, when displaying metadata on the display screen of the program being reserved or the program to be reserved, the metadata is displayed with the reservation screen semi-transparent or transparent, or the reservation screen is hidden behind the metadata. Can be displayed.
In addition, when displaying metadata, it is possible to set whether to display metadata of a reserved program or metadata of all channels having metadata.

It is a block diagram for demonstrating one Embodiment of the metadata electronic display apparatus concerning this invention. It is a figure explaining an example of a data structure when metadata is memorize | stored in a memory | storage device. It is a figure which lists and shows the example of various display switches set with the metadata electronic display apparatus by this invention. It is a figure which shows the example of a setting of the timer of the metadata electronic display apparatus by this invention. It is a figure which shows an example of the display screen which displays only metadata according to the setting of an EPG / metadata screen switch. It is a figure which shows an example of the display screen which displays the metadata integrated with EPG according to the setting of an EPG / metadata screen switch. It is a flowchart for demonstrating an example of the metadata reception process in the metadata electronic display apparatus of this invention. It is a flowchart chart for demonstrating the process example in the metadata electronic display apparatus of this invention. It is a figure which shows the example of a display screen of the detailed information of metadata, and is a figure which shows an example of the content of the detail of an earthquake early warning.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Metadata receiving part, 2 ... Memory | storage device, 3 ... Control part, 4 ... Display switch, 5 ... Timer, 6 ... Display part, 7 ... Display apparatus, 8 ... Communication network, 9 ... User IF, 11 ... Channel number , 12 ... Metadata display area, 13 ... Reception time, 14 ... Display area.

Claims (21)

  An electronic device having a broadcast receiving function, metadata acquisition means for acquiring metadata, storage means for storing the metadata acquired by the metadata acquisition means in a storage device, and acquisition by the metadata acquisition means And a display means for updating and displaying the metadata in real time.   2. The metadata electronic display device according to claim 1, wherein the metadata acquisition means acquires metadata from multiplexed information transmitted together with a network for broadcasting metadata or remote data service broadcasting. Metadata electronic display device.   2. The metadata electronic display device according to claim 1, wherein the storage unit stores the metadata in the storage device in a format according to MPEG7.   2. The metadata electronic display device according to claim 1, wherein the storage unit stores the metadata in the storage device together with management information for managing metadata, and the management information includes a metadata ID, a package number. A metadata electronic display device characterized in that the information includes a time stamp, a corresponding channel number, and a classification ID.   5. The metadata electronic display device according to claim 1, wherein the display target period (T) is traced back from the present time according to a predetermined metadata display period (T) that can be variably set. A metadata electronic display device that displays metadata acquired from the time to the present.   6. The metadata electronic display device according to claim 5, wherein it is possible to set whether or not to scroll display the metadata.   The metadata electronic display device according to claim 6, wherein when the threshold value (t) is set for the display target period of the metadata and the metadata is scroll-displayed in the metadata display area, the display target period is set in advance. The metadata is highlighted when it is smaller than a predetermined threshold value (t), or the metadata is highlighted until the scrolling display of the target metadata is repeated a predetermined number of times of scrolling. Metadata electronic display device.   The metadata electronic display device according to claim 5 or 6, wherein a threshold value (t) is set for the display target period of the metadata, and a set value of the display target period of the metadata is smaller than the threshold value (t), It operates as a mode in which the latest acquired metadata is interrupted to the current display and preferentially displayed. If the set value for the display target period is equal to or greater than the threshold (t), the current display is obtained even if the latest metadata is acquired. The metadata electronic display device is characterized in that it operates as a mode for continuing the operation.   The metadata electronic display device according to any one of claims 6 to 9, wherein the display means displays channel numbers of received broadcast programs side by side in a vertical or horizontal direction, and a position below or below each of the channel numbers. In addition, a display area for displaying metadata corresponding to each channel is set, and each metadata can be scroll-displayed in each display area.   10. The metadata electronic display device according to claim 6, wherein the display unit is configured to display the metadata integrated with the EPG and to display the metadata integrated with the EPG. A metadata electronic display device characterized in that setting is possible.   11. The metadata electronic display device according to claim 10, wherein when the metadata is integrated and displayed on an EPG, each channel information is displayed at a position below a display area of each channel information including a program name of a received broadcast program. A metadata electronic display device characterized in that a display area for displaying metadata corresponding to is set, and each metadata can be scroll-displayed in each display area.   12. The metadata electronic display device according to claim 9, wherein the setting of scroll display of the metadata is whether the scroll display is performed collectively in all metadata display areas corresponding to each channel. A metadata electronic display device characterized in that it is possible to set whether or not to perform scroll display in each metadata display area corresponding to each channel.   6. The metadata electronic display device according to claim 5, wherein the display target period (T) of the metadata can be set for each broadcast channel, and the display target period (T) of metadata of all broadcast channels. A metadata electronic display device characterized in that can be set in a batch.   7. The metadata electronic display device according to claim 6, wherein when the metadata is scroll-displayed, the metadata displayed in accordance with a predetermined operation can be fast forwarded / returned. Display device.   2. The metadata electronic display device according to claim 1, wherein the metadata electronic display device has a function of reproducing and displaying a broadcast program recorded on a predetermined recording medium, and during reproduction using the reproduction display function. A metadata electronic display device capable of setting whether or not to display the metadata.   The metadata electronic display device according to claim 1, wherein the metadata electronic display device has a recording function for recording a broadcast program on a predetermined recording medium, and the metadata electronic display device records the metadata during recording using the recording function. A metadata electronic display device capable of setting whether or not to display data.   The metadata electronic display device according to claim 1, wherein the metadata electronic display device has a recording function for recording a broadcast program on a predetermined recording medium, and the recording is performed during recording using the recording function. A metadata electronic display device having a setting for not displaying metadata information of a program by default.   18. The metadata electronic display device according to claim 17, wherein whether or not to display metadata information of a program being recorded can be set during the recording.   The metadata electronic display device according to claim 1, wherein when performing scheduled recording, setting can be made to display metadata of a reserved program or to display metadata of all channels having metadata. A metadata electronic display device characterized by being capable of performing.   2. The metadata electronic display device according to claim 1, wherein the metadata electronic display device has a reserved recording function for reserving recording of a broadcast program on a predetermined recording medium, and the program to be recorded when the reserved recording is performed. A metadata electronic display device characterized in that it can be set whether or not to display the metadata information.   The metadata electronic display device according to claim 1, wherein a specific metadata item can be selected from a screen displaying metadata, and when the specific item is selected, further details of the selected item are displayed. A metadata electronic display device characterized in that metadata can be displayed.

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